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Romosozumab, ロモソズマブ (遺伝子組換え)

January 25, 2019 10:42 am / Leave a comment

Image result for Romosozumab

Romosozumab

ロモソズマブ (遺伝子組換え)

AMG 785

Immunoglobulin G2, anti-(human sclerostin) (human-mouse monoclonal 785A070802 heavy chain), disulfide with human-mouse monoclonal 785A070802 κ-chain, dimer

Immunoglobulin G2, anti-(human sclerostin) (humanized monoclonal 785A070802 heavy chain), disulfide with humanized monoclonal 785A070802 κ-chain, dimer

Formula	C6452H9926N1714O2040S54
CAS	909395-70-6
Mol weight	145875.6186

Monoclonal antibody
Treatment of osteoporosis

Osteoporosis agent, Sclerostin activity inhibitor

JAPAN APPROVED 2019/1/8, Evenity

Romosozumab (AMG 785) is a humanized monoclonal antibody that targets sclerostin for the treatment of osteoporosis.^[1]

Romosozumab was originally discovered by Chiroscience,^[2] which was acquired by Celltech (now owned by UCB).^[3] Celltech entered in a partnership with Amgen in 2002 for the product’s development.^[4]

In 2016 results from 12 months of a clinical study were reported.^[5]

Some results from the FRAME^[6] and ARCH clinical studies were reported on in 2017.^[7]

Japan’s Ministry of Health, Labor and Welfare has granted a marketing authorization for romosozumab (EVENITY) for the treatment of osteoporosis in patients at high risk of fracture. Developed by Amgen and UCB, romosozumab is a humanized IgG2 monoclonal antibody that targets sclerostin. The approval in Japan is based on results from the Phase 3 FRAME and BRIDGE studies, which included 7,180 postmenopausal women with osteoporosis and 245 men with osteoporosis, respectively.

A biologics license application (BLA) for romosozumab as a treatment of osteoporosis in postmenopausal women at high risk for fracture was submitted to the U.S. Food and Drug Administration (FDA) in July 2016, but additional safety and efficacy data was requested in the FDA’s complete response letter, as announced by Amgen and UCB in July 2017. In July 2018, Amgen and UCB announced that the BLA had been resubmitted. In addition to data from early-stage clinical studies, the original BLA included data from the Phase 3 FRAME study. The resubmitted BLA includes results from the more recent Phase 3 ARCH study, an alendronate-active comparator trial including 4,093 postmenopausal women with osteoporosis who experienced a fracture, and the Phase 3 BRIDGE study. The FDA’s Bone, Reproductive and Urologic Drugs Advisory Committee is scheduled to review data supporting the BLA for romosozumab at a meeting on January 16, 2019.

The European Medicines Agency is also currently reviewing a marketing application for romosozumab.

US 20170305999

Commercial production of cell culture-derived products (for example, protein-based products, such as monoclonal antibodies (mAbs)), requires optimization of cell culture parameters in order for the cells to produce enough product to meet clinical and commercial demands. However, when cell culture parameters are optimized for improving productivity of a protein product, it is also necessary to maintain desired quality specifications of the product such as glycosylation profile, aggregate levels, charge heterogeneity, and amino acid sequence integrity (Li, et al., 2010 , mAbs., 2(5):466-477).

For instance, an increase of over 20% volumetric titer results in a significant improvement in large-scale monoclonal antibody production economics. Additionally, the ability to control the glycan forms of proteins produced in cell culture is important. Glycan species have been shown to significantly influence pharmacokinetics (PK) and pharmacodynamics (PD) of therapeutic proteins such as mAbs. Moreover, the ability to modulate the relative percentage of various glycan species can have drastic results over the behavior of a protein in vivo. For example, increased mannose-5-N-acetylglycosamine-2 (“Man5”) and other high-mannose glycan species have been shown to decrease mAb in vivo half-life (Liu, 2015 , J Pharm Sci., 104(6):1866-84; Goetze et al., 2011 , Glycobiology, 21(7):949-59; and Kanda et al. 2007 , Glycobiology, 17(1):104-18). On the other hand, glycosylated mAbs with mannose-3-N-acetylglycosamine-4 (“G0”) glycan species have been shown to impact antibody dependent cellular cytotoxicity (ADCC).

Bioreactors have been successfully utilized for the cell-based production of therapeutic proteins using fed-batch, immobilized, perfusion and continuous modes. Strategies, such as the use of temperature, media formulation, including the addition of growth inhibitors, autocrine factors or cyclic mononucleotides, and hyperstimulation by osmolarity stress, have been used to enhance protein production by cells in culture. To the extent that they have worked at all, these approaches have shown only marginal success.

As such, there is a particular need for improved compositions for use in cell culture for the production of medically or industrially useful products, such as antibodies. Ideally, such compositions and methods for utilizing the same would result in higher titers, modulated (e.g. decreased) high and low molecular weight species, as well as a more favorable glycosylation profile of the derived products in cell culture.

Throughout this specification, various patents, patent applications and other types of publications (e.g., journal articles, electronic database entries, etc.) are referenced. The disclosure of all patents, patent applications, and other publications cited herein are hereby incorporated by reference in their entirety for all purposes.

References

^ “Statement On A Nonproprietary Name Adopted By The USAN Council: Romosozumab” (PDF). American Medical Association.
^ Quested, Tony (June 7, 2015). “Cream of life science entrepreneurs’ first venture was selling doughnuts”. Business Week. Cambridge, England: Q Communications. Retrieved December 24, 2018.
^ Osteocyte control of bone formation via sclerostin, a novel BMP antagonist. EMBO J. 2003 Dec 1;22(23):6267-76.
^ Celltech group Annual Report and Accounts 2002
^ Cosman; et al. (2016). “Romosozumab Treatment in Postmenopausal Women with Osteoporosis”. The New England Journal of Medicine. 375: 1532–1543. doi:10.1056/NEJMoa1607948. PMID 27641143.
^ Efficacy and Safety of Romosozumab Treatment in Postmenopausal Women With Osteoporosis (FRAME)
^ Bone Loss Drug Effective, But is it Safe? Oct 2017

Romosozumab
Monoclonal antibody
Type	Whole antibody
Source	Humanized (from mouse)
Target	Sclerostin
Clinical data
ATC code	M05BX06 (WHO)
Legal status
Legal status	Investigational
Identifiers
CAS Number	909395-70-6
ChemSpider	none
KEGG	D10156
Chemical and physical data
Formula	C₆₄₅₂H₉₉₂₆N₁₇₁₄O₂₀₄₀S₅₄
Molar mass	145.9 kg/mol

///////////Romosozumab, ロモソズマブ (遺伝子組換え) , JAPAN 2019, Monoclonal antibody, Osteoporosis, AMG 785

Monoclonals for bone, musculoskeletal, circulatory, and neurologic systems

Bone (“-os-“, “-s(o)-“)

Human (“-osu-“)	Burosumab Denosumab
Humanized (“-sozu-“)	Blosozumab Romosozumab

Musculoskeletal (“-mul-“)

Human (“-mulu-“)	Stamulumab^†

Circulatory (“-c(i[r])-“)

Human (“-ciru-“)	Alirocumab Ascrinvacumab Enoticumab Evinacumab^† Evolocumab Icrucumab Inclacumab Nesvacumab Orticumab Ramucirumab Rinucumab
Mouse (“-ciro-“)	Biciromab^‡ Imciromab^‡
Chimeric (“-cixi-“)	Abciximab Volociximab
Humanized (“-cizu-“)	Alacizumab pegol Bevacizumab/Ranibizumab Bococizumab Brolucizumab^† Caplacizumab Demcizumab Etaracizumab Faricimab^† Idarucizumab Ralpancizumab Tadocizumab Vanucizumab

Neurologic (“-ne(u)(r)-“)

Human (“-neru-“)	Aducanumab^† Erenumab^† Fasinumab^† Fulranumab Gantenerumab^† Opicinumab
Humanized (“-nezu-“/”-neuzu-“)	Bapineuzumab^† Crenezumab^† Eptinezumab^† Fremanezumab^† Galcanezumab Ozanezumab Ponezumab Refanezumab Solanezumab Tanezumab^†

Angiogenesis inhibitor (“-anibi-“)

Humanized (“-anibizu-“)	Ranibizumab

Growth factor (“-gr(o)-“)

Human (“-gru-“)	Bimagrumab Trevogrumab
Humanized (“-grozu-“)	Domagrozumab Landogrozumab

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Lanadelumab, ラナデルマブ

September 11, 2018 1:32 pm / Leave a comment

(Heavy chain)
EVQLLESGGG LVQPGGSLRL SCAASGFTFS HYIMMWVRQA PGKGLEWVSG IYSSGGITVY
ADSVKGRFTI SRDNSKNTLY LQMNSLRAED TAVYYCAYRR IGVPRRDEFD IWGQGTMVTV
SSASTKGPSV FPLAPSSKST SGGTAALGCL VKDYFPEPVT VSWNSGALTS GVHTFPAVLQ
SSGLYSLSSV VTVPSSSLGT QTYICNVNHK PSNTKVDKRV EPKSCDKTHT CPPCPAPELL
GGPSVFLFPP KPKDTLMISR TPEVTCVVVD VSHEDPEVKF NWYVDGVEVH NAKTKPREEQ
YNSTYRVVSV LTVLHQDWLN GKEYKCKVSN KALPAPIEKT ISKAKGQPRE PQVYTLPPSR
EEMTKNQVSL TCLVKGFYPS DIAVEWESNG QPENNYKTTP PVLDSDGSFF LYSKLTVDKS
RWQQGNVFSC SVMHEALHNH YTQKSLSLSP G
(Light chain)
DIQMTQSPST LSASVGDRVT ITCRASQSIS SWLAWYQQKP GKAPKLLIYK ASTLESGVPS
RFSGSGSGTE FTLTISSLQP DDFATYYCQQ YNTYWTFGQG TKVEIKRTVA APSVFIFPPS
DEQLKSGTAS VVCLLNNFYP REAKVQWKVD NALQSGNSQE SVTEQDSKDS TYSLSSTLTL
SKADYEKHKV YACEVTHQGL SSPVTKSFNR GEC
(dimer; dishulfide bridge: H22-H96, H149-H205, H225-L213, H231-H’231, H234-H’234, H266-H326, H372-H430, H’22-H’96, H’149-H’205, H’225-L’213, H’266-H’326, H’372-H’430, L23-L88, L133-L193, L’23-L’88, L’133-L’193)

Lanadelumab

DX 2930

Fda approved 2018/8/23, Takhzyro

Formula	C6468H10016N1728O2012S48
Cas	1426055-14-2
Mol weight	145714.225

Peptide, Monoclonal antibody
Prevention of angioedema in patients with hereditary angioedema

Immunomodulator, Plasma kallikrein inhibitor

breakthrough therapy, UNII: 2372V1TKXK

Image result for Lanadelumab

Lanadelumab (INN) (alternative identifier DX-2930^[1]) is a human monoclonal antibody (class IgG1 kappa)^[2] that targets plasma kallikrein (pKal)^[1] in order to promote prevention of angioedema in patients with hereditary angioedema.^[3]^[4] In phase 1 clinical trialsLanadelumab was well tolerated and was reported to reduce cleavage of kininogen in the plasma of patients with hereditary angioedeman and decrease the number of patients experiencing attacks of angioedema.^[1]^[5]^[6]^[7] As of 2017 ongoing trials for Lanadelumab include two phase 3 studies focused on investigating the utility of Lanadelumab in preventing of acute angioedema attacks in hereditary angioedema patients^[8]^[9]

Image result for Lanadelumab

This drug was produced by Dyax Corp and currently under development by Shire.^[10] Lanadelumab has been designated by the U.S. Food and Drug Administration (FDA) as a breakthrough therapy.^[11]

Image result for Lanadelumab

References

^ Jump up to:^a ^b ^c Banerji, Aleena; Busse, Paula; Shennak, Mustafa; Lumry, William; Davis-Lorton, Mark; Wedner, Henry J.; Jacobs, Joshua; Baker, James; Bernstein, Jonathan A. (2017-02-23). “Inhibiting Plasma Kallikrein for Hereditary Angioedema Prophylaxis”. The New England Journal of Medicine. 376 (8): 717–728. doi:10.1056/NEJMoa1605767. ISSN 1533-4406. PMID 28225674.
Jump up^ Kenniston, Jon A.; Faucette, Ryan R.; Martik, Diana; Comeau, Stephen R.; Lindberg, Allison P.; Kopacz, Kris J.; Conley, Gregory P.; Chen, Jie; Viswanathan, Malini (2014-08-22). “Inhibition of Plasma Kallikrein by a Highly Specific Active Site Blocking Antibody”. The Journal of Biological Chemistry. 289 (34): 23596. doi:10.1074/jbc.M114.569061. PMC 4156074 . PMID 24970892.
Jump up^ Statement On A Nonproprietary Name Adopted By The USAN Council – Lanadelumab, American Medical Association.
Jump up^ World Health Organization (2015). “International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 114”(PDF). WHO Drug Information. 29 (4).
Jump up^ Chyung, Yung; Vince, Bradley; Iarrobino, Ryan; Sexton, Dan; Kenniston, Jon; Faucette, Ryan; TenHoor, Chris; Stolz, Leslie E.; Stevens, Chris (2014-10-01). “A phase 1 study investigating DX-2930 in healthy subjects”. Annals of Allergy, Asthma & Immunology. 113 (4): 460–466.e2. doi:10.1016/j.anai.2014.05.028. ISSN 1534-4436. PMID 24980392.
Jump up^ “A Single Increasing Dose Study to Assess Safety and Tolerability of DX-2930 in Healthy Subjects – Full Text View – ClinicalTrials.gov”. clinicaltrials.gov. Retrieved 2017-03-24.
Jump up^ “Double-Blind, Multiple Ascending Dose Study to Assess Safety, Tolerability and Pharmacokinetics of DX-2930 in Hereditary Angioedema (HAE) Subjects – Full Text View – ClinicalTrials.gov”. clinicaltrials.gov. Retrieved 2017-03-24.
Jump up^ “Efficacy and Safety Study of DX-2930 to Prevent Acute Angioedema Attacks in Patients With Type I and Type II HAE – Full Text View – ClinicalTrials.gov”. clinicaltrials.gov. Retrieved 2017-03-24.
Jump up^ “Long-term Safety and Efficacy Study of DX-2930 to Prevent Acute Angioedema Attacks in Patients With Type I and Type II HAE – Full Text View – ClinicalTrials.gov”. clinicaltrials.gov. Retrieved 2017-03-24.
Jump up^ “Lanadelumab – AdisInsight”. adisinsight.springer.com. Retrieved 2017-03-24.
Jump up^ “Dyax Corp. Receives FDA Breakthrough Therapy Designation for DX-2930 for Prevention of Attacks of Hereditary Angioedema”. http://www.businesswire.com. Retrieved 2017-03-24.

Lanadelumab
Monoclonal antibody
Type	Whole antibody
Source	Human
Target	kallikrein
Clinical data
Synonyms	DX-2930
ATC code	none
Identifiers
CAS Number	1426055-14-2
ChemSpider	none
UNII	2372V1TKXK
Chemical and physical data
Formula	C₆₄₆₈H₁₀₀₁₆N₁₇₂₈O₂₀₁₂S₄₇
Molar mass	145.7 kDa

///////////Lanadelumab, Peptide, Monoclonal antibody, FDA 2018, ラナデルマブ ,Immunomodulator, Plasma kallikrein inhibitor, DX 2930, breakthrough therapy, Takhzyro

“DRUG APPROVALS INTERNATIONAL” CATERS TO EDUCATION GLOBALLY, No commercial exploits are done or advertisements added by me. This is a compilation for educational purposes only. P.S. : The views expressed are my personal and in no-way suggest the views of the professional body or the company that I represent

Monoclonal antibodies for the immune system

Immune system (“-l(i[m])-“)

Human (“-limu-“)	Immunosuppression: Abrilumab Adalimumab Anifrolumab^† Atorolimumab Avelumab Belimumab Bleselumab Brodalumab Camidanlumab tesirine Carlumab Cemiplimab Dupilumab Eldelumab Emapalumab^† Fresolimumab Gimsilumab Golimumab Lanadelumab Lenzilumab Lerdelimumab Lirilumab Mavrilimumab Metelimumab Morolimumab Namilumab Oleclumab Oxelumab§ Pamrevlumab Placulumab Sarilumab Sifalimumab Tabalumab Tezepelumab^† Ulocuplumab Varlilumab Immune activation: Ipilimumab Atezolizumab Durvalumab Nivolumab Pembrolizumab Tremelimumab^† Urelumab Other: Bertilimumab Zanolimumab
Mouse (“-limo-“)	Afelimomab Elsilimomab Faralimomab Gavilimomab Inolimomab Maslimomab Nerelimomab Odulimomab Telimomab aritox Vepalimomab Zolimomab aritox
Chimeric (“-lixi-“)	Andecaliximab^† Basiliximab Clenoliximab Galiximab Gomiliximab Infliximab Keliximab Lumiliximab Priliximab Teneliximab Vapaliximab
Humanized (“-lizu-“)	Immunosuppressive: Aselizumab Apolizumab^§ Benralizumab Cedelizumab Certolizumab pegol Crizanlizumab^† Daclizumab Eculizumab Efalizumab Epratuzumab Erlizumab Etrolizumab^† Fontolizumab Inebilizumab^† Itolizumab Lampalizumab^† Letolizumab Ligelizumab Lulizumab pegol Mepolizumab Mogamulizumab Natalizumab Ocrelizumab Omalizumab Ozoralizumab Pascolizumab Pateclizumab Pembrolizumab Pexelizumab Pidilizumab Plozalizumab PRO 140^† Quilizumab Ravulizumab^† Reslizumab Rontalizumab Rovelizumab Ruplizumab Samalizumab Siplizumab Talizumab Teplizumab Tibulizumab Tislelizumab Tocilizumab Toralizumab Tregalizumab Vatelizumab Vedolizumab Visilizumab Vobarilizumab TGN1412^§ Non-immunosuppressive: Ibalizumab
Chimeric + humanized (“-lixizu-“)	Otelixizumab Tavolimab
Veterinary (“-lvet-“)	Gilvetmab

Interleukin (“-k(i[n])-“)

Human (“-kinu-“)	Brazikumab Briakinumab Canakinumab Fezakinumab Fletikumab Guselkumab Secukinumab Sirukumab Tralokinumab^† Ustekinumab
Humanized (“-kizu-“, “-kinzu-“)	Anrukinzumab Clazakizumab Enokizumab Gevokizumab Ixekizumab Mirikizumab Lebrikizumab Olokizumab^† Perakizumab Risankizumab^† Tildrakizumab
Veterinary (“-kivet-“)	Lokivetmab

Inflammatory lesions (“-les-“)

Mouse (“-leso-“)	Besilesomab Fanolesomab^‡ Lemalesomab Sulesomab

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Burosumab-twza, ブロスマブ

June 4, 2018 9:32 am / Leave a comment

> Burosumab Heavy Chain Sequence
QVQLVQSGAEVKKPGASVKVSCKASGYTFTNHYMHWVRQAPGQGLEWMGIINPISGSTSN
AQKFQGRVTMTRDTSTSTVYMELSSLRSEDTAVYYCARDIVDAFDFWGQGTMVTVSSAST
KGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLY
SLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSV
FLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTY
RVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTK
NQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQG
NVFSCSVMHEALHNHYTQKSLSLSPGK

> Burosumab Light Chain Sequence
AIQLTQSPSSLSASVGDRVTITCRASQGISSALVWYQQKPGKAPKLLIYDASSLESGVPS
RFSGSGSGTDFTLTISSLQPEDFATYYCQQFNDYFTFGPGTKVDIKRTVAAPSVFIFPPS
DEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTL
SKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

ALSO

(Heavy chain)
QVQLVQSGAE VKKPGASVKV SCKASGYTFT NHYMHWVRQA PGQGLEWMGI INPISGSTSN
AQKFQGRVTM TRDTSTSTVY MELSSLRSED TAVYYCARDI VDAFDFWGQG TMVTVSSAST
KGPSVFPLAP SSKSTSGGTA ALGCLVKDYF PEPVTVSWNS GALTSGVHTF PAVLQSSGLY
SLSSVVTVPS SSLGTQTYIC NVNHKPSNTK VDKKVEPKSC DKTHTCPPCP APELLGGPSV
FLFPPKPKDT LMISRTPEVT CVVVDVSHED PEVKFNWYVD GVEVHNAKTK PREEQYNSTY
RVVSVLTVLH QDWLNGKEYK CKVSNKALPA PIEKTISKAK GQPREPQVYT LPPSRDELTK
NQVSLTCLVK GFYPSDIAVE WESNGQPENN YKTTPPVLDS DGSFFLYSKL TVDKSRWQQG
NVFSCSVMHE ALHNHYTQKS LSLSPGK
(Light chain)
AIQLTQSPSS LSASVGDRVT ITCRASQGIS SALVWYQQKP GKAPKLLIYD ASSLESGVPS
RFSGSGSGTD FTLTISSLQP EDFATYYCQQ FNDYFTFGPG TKVDIKRTVA APSVFIFPPS
DEQLKSGTAS VVCLLNNFYP REAKVQWKVD NALQSGNSQE SVTEQDSKDS TYSLSSTLTL
SKADYEKHKV YACEVTHQGL SSPVTKSFNR GEC
(dimer; disulfide bridge:H22-H96, H144-H200, H220-L213, H220-H’226, H229-H’229, H261-H321, H367-H425, H’22-H’96, H’144-H’200, H’220-L’213, H’261-H’321, H’367-H’425, L23-L88, L133-L193, L’23-L’88, L’133-L’193)

Burosumab-twza, KRN 23

ブロスマブ

CAS1610833-03-8

UNII G9WJT6RD29

Protein chemical formulaC₆₃₈₈H₉₉₀₄N₁₇₀₀O₂₀₀₆S₄₆

Protein average weight144100.0 Da

Protein Based Therapies
Monoclonal antibody (mAb)

breakthrough therapy and orphan drug designations

Company:Ultragenyx

Approval Status:Approved April 2018

Specific Treatments:X-linked hypophosphatemia

Crysvita (burosumab-twza) is a fibroblast growth factor 23 (FGF23) blocking antibody.

This drug is indicated for the treatment of X-linked hypophosphatemia with radiological evidence of bone disease in children of 1 year of age and older and adolescents with growing skeletons ^[4].

Burosumab (INN, trade name Crysvita) known as KRN23 is a human monoclonal antibody designed for the treatment of X-linked hypophosphatemia.^[1]^[2]^[3] Burosumab was approved by the FDA for its intended purpose, in patients aged 1 year and older, on 17 April 2018.^[4] The FDA approval fell under both the breakthrough therapy and orphan drug designations.^[4]

This drug was developed by Ultragenyx and is in a collaborative license agreement with Kyowa Hakko Kirin.^[5]

Burosumab (KRN23) is an entirely human monoclonal IgG1 antibody that binds excess fibroblast growth factor 23 (FGF23) and has been successfully tested in clinical trials in children with X-linked hypophosphatemic rickets ^[1].

The U.S. Food and Drug Administration approved Crysvita (burosumab) in April 2018. This is the first drug approved to treat adults and children ages 1 year and older with X-linked hypophosphatemia (XLH), which is a rare, inherited form of rickets. X-linked hypophosphatemia causes low circulating levels of phosphorus in the blood. It causes impaired bone growth and development in children and adolescents and issues with bone mineralization throughout a patient’s life ^[3].

XLH is a serious disease which affects about 3,000 children and 12,000 adults in the United States. Most children with XLH suffer from bowed or bent legs, short stature, bone pain and severe dental pain. Some adults with this condition suffer from persistent, unrelenting discomfort and complications, such as joint pain, impaired mobility, tooth abscesses and hearing loss ^[3]

Crysvita is specifically indicated for the treatment of X-linked hypophosphatemia (XLH) in adult and pediatric patients 1 year of age and older.

Crysvita is supplied as a subcutaneous injection. The recommended starting dose for pediatrics is 0.8 mg/kg of body weight, rounded to the nearest 10 mg, administered every two weeks. The minimum starting dose is 10 mg up to a maximum dose of 90 mg. After initiation of treatment with Crysvita, measure fasting serum phosphorus every 4 weeks for the first 3 months of treatment, and thereafter as appropriate. If serum phosphorus is above the lower limit of the reference range for age and below 5 mg/dL, continue treatment with the same dose. Follow dose adjustment schedule per the drug label. The recommended dose regimen in adults is 1 mg/kg body weight, rounded to the nearest 10 mg up to a maximum dose of 90 mg, administered every four weeks. After initiation of treatment with Crysvita, assess fasting serum phosphorus on a monthly basis, measured 2 weeks post-dose, for the first 3 months of treatment, and thereafter as appropriate. If serum phosphorus is within the normal range, continue with the same dose. See drug label for specific dose adjustments.

Mechanism of Action

Crysvita (burosumab-twza) is a fibroblast growth factor 23 (FGF23) blocking antibody. X-linked hypophosphatemia is caused by excess fibroblast growth factor 23 (FGF23) which suppresses renal tubular phosphate reabsorption and the renal production of 1,25 dihydroxy vitamin D. Burosumab-twza binds to and inhibits the biological activity of FGF23 restoring renal phosphate reabsorption and increasing the serum concentration of 1,25 dihydroxy vitamin D.

REFERENCES

1 file:///H:/761068Orig1s000ChemR.pdf

REF

Kutilek S: Burosumab: A new drug to treat hypophosphatemic rickets. Sudan J Paediatr. 2017;17(2):71-73. doi: 10.24911/SJP.2017.2.11. [PubMed:29545670]
Kinoshita Y, Fukumoto S: X-linked hypophosphatemia and FGF23-related hypophosphatemic diseases -Prospect for new treatment. Endocr Rev. 2018 Jan 26. pii: 4825438. doi: 10.1210/er.2017-00220. [PubMed:29381780]
FDA approves first therapy for rare inherited form of rickets, x-linked hypophosphatemia [Link]
Crysvita Drug Label [Link]
Burosumab for a rare bone disease [Link]
DRUG: Burosumab [Link]
NHS document [Link]
Burosumab for XLH [Link]

Burosumab
Monoclonal antibody
Type	Whole antibody
Source	Human
Target	FGF 23
Clinical data
Trade names	Crysvita
Synonyms	KRN23
ATC code	M05BX05 (WHO)
Identifiers
CAS Number	1610833-03-8
ChemSpider	none
UNII	G9WJT6RD29
KEGG	D10913
Chemical and physical data
Formula	C₆₃₈₈H₉₉₀₄N₁₇₀₀O₂₀₀₆S₄₆
Molar mass	144.1 kDa

References

Jump up^ Statement On A Nonproprietary Name Adopted By The USAN Council – Burosumab, American Medical Association.^{[permanent dead link]}
Jump up^ World Health Organization (2016). “International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 115”(PDF). WHO Drug Information. 30 (2): 255.
Jump up^ “Burosumab (KRN23) for X-Linked Hypophosphatemia (XLH)” (PDF). n.d. Retrieved 2018-04-18.
^ Jump up to:^a ^b “FDA approves first therapy for rare inherited form of rickets, x-linked hypophosphatemia” (Press release). FDA. 17 April 2018.
Jump up^ “Collaboration with Ultragenyx to Develop and Commercialize KRN23 for X-linked Hypophosphatemia” (Press release). Kyowa Kirin. 4 September 2013. Retrieved 2018-04-17.

//////////////Burosumab-twza, Crysvita FDA 2018, BLA 761068, Protein Based Therapies, Monoclonal antibody, mAb, KRN 23, breakthrough therapy, orphan drug designations, Peptide, ブロスマブ

Tildrakizumab-asmn

June 1, 2018 8:14 am / Leave a comment

Heavy chain:
	QVQLVQSGAEVKKPGASVKVSCKASGYIFITYWMTWVRQAPGQGL
	EWMGQIFPASGSADYNEKFEGRVTMTTDTSTSTAYMELRSLRSDD
	TAVYYCARGGGGFAYWGQGTLVTVSSASTKGPSVFPLAPSSKSTS
	GGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYS
	LSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTC
	PPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDP
	EVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNG
	KEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKN
	QVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFL
	YSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
	Light chain:
	DIQMTQSPSSLSASVGDRVTITCRTSENIYSYLAWYQQKPGKAPK
	LLIYNAKTLAEGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCQH
	HYGIPFTFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCL
	LNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLT
	LSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Tildrakizumab-asmn

Immunoglobulin G1, anti-(human interleukin 23) (human-Mus musculus monoclonal heavy chain), disulfide with human-Mus musculus monoclonal light chain, dimer

CAS 1326244-10-3, BLA 761067

Tildrakizumab (SCH 900222/MK-3222)

ILUMYA; MK-3222; SCH-900222; SUNPG 1622; SUNPG 1622 I; SUNPG 1623 I; SUNPG 1623 II; SUNPG 1623 III; SUNPG 1623 IV; SUNPG1623; Tildrakizumab-asmn

DRUG BANK https://www.drugbank.ca/drugs/DB14004

Company Sun Pharmaceuticals

Approval Status FDA Approved March 2018 FOR Psoriasis, plaque

Treatments plaque psoriasis

Protein chemical formulaC₆₄₂₆H₉₉₁₈N₁₆₉₈O₂₀₀₀S₄₆

Protein average weight144400.0 DaSequences

>Tildrakizumab Sequence
MLGSRAVMLLLLLPWTAQGRAVPGGSSPAWTQCQQLSQKLCTLAWSAHPLVGHMDLREEG
DEETTNDVPHIQCGDGCDPQGLRDNSQFCLQRIHQGLIFYEKLLGSDIFTGEPSLLPDSP
VGQLHASLLGLSQLLQPEGHHWETQQIPSLSPSQPWQRLLLRFKILRSLQAFVAVAARVF
AHGAATLSP

Tildrakizumab
Monoclonal antibody
Type	?
Source	Humanized (from mouse)
Target	IL23
Clinical data
Trade names	Ilumya
Synonyms	Tildrakizumab-asmn
Routes of administration	Subcutaneous injection
ATC code	none
Identifiers
CAS Number	1326244-10-3
ChemSpider	none
KEGG	D10400
Chemical and physical data
Formula	C₆₄₂₆H₉₉₁₈N₁₆₉₈O₂₀₀₀S₄₆
Molar mass	144.4 kg/mol

Originator Schering-Plough
Developer Almirall S.A.; Merck & Co; Schering-Plough; Sun Pharmaceutical Industries
Class Antipsoriatics; Monoclonal antibodies
Mechanism of Action Interleukin 23 inhibitors

Orphan Drug StatusNo
New Molecular EntityYes

Highest Development Phases

Registered Plaque psoriasis
Phase II Ankylosing spondylitis; Psoriatic arthritis
Discontinued Autoimmune disorders

Most Recent Events

21 Mar 2018 Registered for Plaque psoriasis in USA (SC) – First global approval
16 Feb 2018 Adverse events data from two phase III trials (reSURFACE 1 and 2) in chronic Plaque psoriasis presented at the 76^th Annual Meeting of the American Academy of Dermatology (AAD-2018)
16 Feb 2018 Pharmacokinetics data from population PK model in healthy volunteers and patients with psoriasis presented at the 76^th Annual Meeting of the American Academy of Dermatology (AAD-2018)

Ilumya (tildrakizumab-asmn) is an interleukin-23 antagonist.

Humanized monoclonal IgG1-kappa antibody against IL-23p19; produced in CHO cells
Immunoglobulin G1, anti-(human interleukin 23) (human-Mus musculus monoclonal heavy chain), disulfide with human-Mus musculus monoclonal light chain, dimer

Ilumya is specifically indicated for the treatment of adults with moderate-to-severe plaque psoriasis who are candidates for systemic therapy or phototherapy.

Ilumya is supplied as a solution for subcutaneous injection. The recommended dose is 100 mg at Weeks 0, 4, and every twelve weeks thereafter.

Image result for tildrakizumab-asmn

Tildrakizumab (Ilumya) is a monoclonal antibody designed for the treatment of immunologically mediated inflammatory disorders.^[1] In the United States, it is approved for the treatment of moderate-to-severe plaque psoriasis.^[2]

Tildrakizumab was designed to block interleukin-23, a cytokine that plays an important role in managing the immune system and autoimmune disease. Originally developed by Schering-Plough, this drug is now part of Merck‘s clinical program, following that company’s acquisition of Schering-Plough.

Sun Pharmaceutical acquired worldwide rights to tildrakizumab for use in all human indications from Merck in exchange for an upfront payment of U.S. $80 million. Upon product approval, Sun Pharmaceutical will be responsible for regulatory activities, including subsequent submissions, pharmacovigilance, post approval studies, manufacturing and commercialization of the approved product. ^[3]

Image result for tildrakizumab-asmn

As of March 2014, the drug was in phase III clinical trials for plaque psoriasis. The two trials enrolled nearly 2000 patients. ^[4]^[5]

In 2016, tildrakizumab became the first IL-23p19 inhibitor to demonstrate positive results in Phase-3 clinical trials for the treatment of moderate-to-severe plaque psoriasis, further validating the importance of the role of IL-23 in psoriasis. Sun Pharma signed a licensing pact with Spain’s Almirall for marketing tildrakizumab in Europe ^[6]

In March 2018, it was approved by the Food and Drug Administration for the treatment of moderate-to-severe plaque psoriasis as an injection for subcutaneous use in the United States.^[2]

In 2014, Sun Pharma acquired worldwide rights to tildrakizumab from Merck; upon product approval, Sun Pharma is responsible for regulatory activities, including subsequent submissions, pharmacovigilance, post approval studies, manufacturing and commercialization of the product. In 2016, Almirall sublicensed the product for the development and marketing in Europe for the treatment of psoriasis.

References

Mechanism of Action

Tildrakizumab is a humanized IgG1/k monoclonal antibody that selectively binds to the p19 subunit of IL-23 and inhibits its interaction with the IL-23 receptor. IL-23 is a naturally occurring cytokine that is involved in inflammatory and immune responses. Tildrakizumab inhibits the release of proinflammatory cytokines and chemokines.

FDA APPROVAL DATA

BLA 761067

https://www.accessdata.fda.gov/drugsatfda_docs/appletter/2018/761067Orig1s000REPLACEMENT_ltr.pdf

Please refer to your Biologics License Application (BLA) dated and received March 23, 2017 and your amendments, submitted under section 351(a) of the Public Health Service Act for ILUMYA (tildrakizumab-asmn) injection. We also refer to our approval letter dated March 20, 2018 which contained the following error: the Final Report Submission date was incorrectly listed for postmarketing requirement 3357-3. This replacement approval letter incorporates the correction of the error. The effective approval date will remain March 20, 2018, the date of the original approval letter.

LICENSING We have approved your BLA for ILUMYA (tildrakizumab-asmn) effective this date. You are hereby authorized to introduce or deliver for introduction into interstate commerce, ILUMYA under your existing Department of Health and Human Services U.S. License No. 0002. ILUMYA is indicated for the treatment of adults with moderate-to-severe plaque psoriasis who are candidates for systemic therapy or phototherapy.

MANUFACTURING LOCATIONS Under this license, you are approved to manufacture ILUMYA drug substance at . The final formulated drug product will be manufactured, filled, labeled, and packaged at MSD Ireland, Carlow, Ireland. You may label your product with the proprietary name, ILUMYA, and market it in 100 mg/1 mL single-dose prefilled syringe

DATING PERIOD The dating period for ILUMYA drug product shall be 36 months from the date of manufacture when stored at 2-8°C. The date of manufacture shall be defined as the date of final sterile filtration of the formulated drug product. The dating period for your drug substance shall be months from the date of manufacture when stored at We have approved the stability protocols in your license application for the purpose of extending the expiration dating period of your drug substance and drug product under 21 CFR 601.12.

PATENTS

WO 2014109927

PAPER

https://www.tandfonline.com/doi/full/10.4161/19420862.2015.988944

Tildrakizumab (SCH 900222/MK-3222) targets the p19 subunit of IL-23. The mAb was developed by Schering-Plough, which was acquired by Merck & Co. in 2009, and it was then licensed by Merck to Sun Pharmaceutical Industries Ltd in September 2014. Clinical development and regulatory activities will be conducted by Merck, but funded by Sun Pharma. As of October 2014, the safety and efficacy of tildrakizumab are being evaluated in 2 Phase 3 studies that are ongoing but not recruiting patients. Both studies include patients with moderate-to-severe chronic plaque psoriasis and subcutaneously administered drug. The 52-week Phase 3 NCT01729754 study has 4 arms (200 mg tildrakizumab; 100 mg tildrakizumab; 50 mg etanercept; and placebo only), and includes an optional long-term safety extension study. The estimated enrollment is 1050, and the estimated primary completion date is October 2019. The 64-week Phase 3 NCT01722331 study is evaluating the effects of either 200 mg or 100 mg tildrakizumab to placebo; it includes an optional long-term safety extension study. The estimated enrollment is 885, and the estimated primary completion date is June 2015.

Image result for tildrakizumab-asmn

Sun Pharma Announces U.S. FDA Approval of ILUMYA™ (tildrakizumab-asmn) for the Treatment of Moderate-to-Severe Plaque Psoriasis

NEWS PROVIDED BY

Sun Pharma

Mar 21, 2018, 09:04 ET

MUMBAI, India and PRINCETON, N.J., March 21, 2018 /PRNewswire/ — Sun Pharmaceutical Industries Ltd. (Reuters: SUN.BO, Bloomberg: SUNP IN, NSE: SUNPHARMA, BSE: 524715, “Sun Pharma” and includes its subsidiaries and/or associate companies) today announced that the U.S. Food and Drug Administration (FDA) has approved ILUMYA™ (tildrakizumab-asmn) for the treatment of adults with moderate-to-severe plaque psoriasis who are candidates for systemic therapy or phototherapy. ILUMYA selectively binds to the p19 subunit of IL-23 and inhibits its interaction with the IL-23 receptor leading to inhibition of the release of pro-inflammatory cytokines and chemokines. ILUMYA is administered at a dose of 100 mg by subcutaneous injection every 12 weeks, after the completion of initial doses at weeks 0 and 4. ILUMYA is contraindicated in patients with a previous serious hypersensitivity reaction to tildrakizumab or to any of the excipients.

“With the approval of ILUMYA and our long-standing commitment in dermatology, we are focused on making a difference for people living with moderate-to-severe plaque psoriasis,” said Abhay Gandhi, President and Chief Executive Officer, North America, Sun Pharma. “We are committed to working with all relevant stakeholders to make ILUMYA available to appropriate people with plaque psoriasis.”

The FDA approval of ILUMYA for the treatment of adults with moderate-to-severe plaque psoriasis was supported by data from the pivotal Phase-3 reSURFACE clinical development program. In the two multicenter, randomized, double-blind, placebo-controlled trials (reSURFACE 1 and reSURFACE 2), 926 adult patients were treated with ILUMYA (N=616) or placebo (N=310). Results from these studies were published in The Lancet in July 2017, with primary endpoints presented at the 25th European Academy of Dermatology and Venereology (EADV) Congress.

Both Phase-3 studies met the primary efficacy endpoints, demonstrating significant clinical improvement with ILUMYA 100 mg compared to placebo when measured by at least 75 percent of skin clearance (Psoriasis Area Sensitivity Index or PASI 75) and Physician’s Global Assessment (PGA) score of “clear” or “minimal” at week 12 after two doses.

*Efficacy Primary Endpoint at Week 12 in Adults with Plaque Psoriasis (NRI)**
	reSURFACE 1 Study (NCT01722331)		reSURFACE 2 Study (NCT01729754)
	ILUMYA 100 mg n=309	Placebo n=154	ILUMYA 100 mg n=307	Placebo n=156
PGA of “clear” (0) or “minimal” (1)†	179 (58%)	11 (7%)	168 (55%)	7 (4%)
PASI 75†	197 (64%)	9 (6%)	188 (61%)	9 (6%)
PASI 90	107 (35%)	4 (3%)	119 (39%)	2 (1%)
PASI 100	43 (14%)	2 (1%)	38 (12%)	0 (0%)

* NRI = Non-Responder Imputation † Co-Primary Endpoints

Of the patients in the reSURFACE 1 study 74 percent (229 patients) achieved 75 percent skin clearance at week 28 after three doses, and 84 percent of patients who continued receiving ILUMYA 100 mg maintained PASI 75 at week 64 compared to 22 percent of patients who were re-randomized to placebo. In addition, 69 percent of the patients receiving ILUMYA 100 mg who had a PGA score of “clear” or “minimal” at week 28 maintained this response at week 64 compared to 14 percent of patients who were re-randomized to placebo.

Full Prescribing Information and Medication Guide for ILUMYA are attached:
PDF: https://mma.prnewswire.com/media/656994/Sun_Pharma_ILUMYA_US_Prescribing_Information.pdf
PDF: https://mma.prnewswire.com/media/656995/Sun_Pharma_ILUMYA_US_Medication_Guide.pdf

IMPORTANT SAFETY INFORMATION (continued)

Cases of angioedema and urticaria occurred in ILUMYA treated subjects in clinical trial. If a serious hypersensitivity reaction occurs, discontinue ILUMYA immediately and initiate appropriate therapy.

ILUMYA may increase the risk of infection. Treatment with ILUMYA should not be initiated in patients with a clinically important active infection until the infection resolves or is adequately treated. Consider the risks and benefits of treatment prior to prescribing ILUMYA in patients with a chronic infection or a history of recurrent infection. Instruct patients receiving ILUMYA to seek medical help if signs or symptoms of clinically important chronic or acute infection occur. If a patient develops a clinically important or serious infection, or is not responding to standard therapy, closely monitor and discontinue ILUMYA until the infection resolves.

Evaluate patients for TB infection prior to initiating treatment with ILUMYA. Initiate treatment of latent TB prior to administering ILUMYA. Monitor patients for signs and symptoms of active TB during and after ILUMYA treatment. Do not administer ILUMYA to patients with active TB infection.

Prior to initiating ILUMYA, consider completion of all age-appropriate immunizations according to current immunization guidelines. Avoid use of live vaccines in patients treated with ILUMYA.

The most common (≥1%) adverse reactions associated with ILUMYA include upper respiratory infections, injection site reactions, and diarrhea. Adverse reactions that occurred at rates less than 1% but greater than 0.1% in the ILUMYA group and at a higher rate than in the placebo group included dizziness and pain in extremity.

About the Phase-3 reSURFACE Trials
The Phase-3 studies (reSURFACE 1 and reSURFACE 2) were randomized, placebo-controlled, multicenter, three-part studies designed to demonstrate efficacy of ILUMYA in moderate-to-severe plaque psoriasis compared to placebo and comparative drug and to assess safety and tolerability. Part one of the studies randomized patients into three or four treatment arms, including ILUMYA 100 mg, ILUMYA 200 mg, placebo and etanercept (reSURFACE 2 only). After Week 12, patients on placebo were then re-randomized into ILUMYA 100 mg and 200 mg treatment arms to proceed into part two of the studies. Finally, in part three of the reSURFACE 1 study, responders (PASI ≥75) and partial responders (PASI ≥50 and PASI <75) to ILUMYA were re-randomized after Week 28 to continue the same treatment, a different dose of ILUMYA or placebo. Partial and non-responders to etanercept were treated with ILUMYA 200 mg in part three of the reSURFACE 2 study. Patients with guttate, erythrodermic, or pustular psoriasis were excluded.

About Psoriasis
Psoriasis is a chronic immune disease that appears on the skin. It is a non-contagious disorder that speeds the growth cycle of skin cells¹ and results in thick scaly areas of skin². The most common form, affecting about 80 to 90 percent of people living with psoriasis, is called plaque psoriasis³. It appears as red, raised areas of skin covered with flaky white scales, which may be itchy and painful and can crack and bleed². Many people with plaque psoriasis continue to struggle with the ongoing, persistent nature of this chronic disease.

About Sun Dermatology
Sun Dermatology (the branded dermatology division of a wholly owned subsidiary of Sun Pharma) is committed to expanding its dermatology portfolio to bring healthcare providers and patients around the world more treatment options and ongoing support for conditions like moderate-to-severe plaque psoriasis. Sun Pharma, along with its subsidiaries, is ranked fourth in dermatology prescription volume within the U.S. per IMS and is fifth largest specialty generic pharmaceutical company globally. In addition to ILUMYA, Sun Dermatology is comprised of several branded products indicated for the treatment of acne and actinic keratosis with a focus on other dermatologic conditions.

About Sun Pharma, Merck & Co., Inc., Kenilworth, NJ, USA, Agreement
Sun Pharmaceutical Industries Ltd.’s wholly owned subsidiary licensed worldwide rights to ILUMYA from a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, in 2014. Funded by a Sun Pharma subsidiary, Merck & Co., Inc., Kenilworth, NJ, USA was responsible for the completion of Phase-3 trials and submission of a Biologics License Application to the United States Food and Drug Administration (FDA), as well as manufacturing finished goods to support Sun Pharma’s initial product launch. Sun Pharma will be responsible for all post-approval regulatory activities, including subsequent submissions, pharmacovigilance, post approval studies, manufacturing and commercialization of the approved product. Sun Pharma will also be responsible for all regulatory, pharmacovigilance, post approval studies, manufacturing and commercialization of approved products for all non-U.S. markets. Merck & Co., Inc., Kenilworth, NJ, USA is eligible to receive milestone payments and royalties on sales of ILUMYA.

About Sun Pharma, Almirall S.A, Europe, Agreement
Sun Pharma and its wholly owned subsidiary and Almirall (Spanish Stock Exchange ticker: ALM) closed on July 2016 a licensing agreement on the development and commercialization of tildrakizumab-asmn for psoriasis in Europe. Under the terms of the licensing agreement, Almirall is able to lead European studies, and participate in larger Global clinical studies for plaque psoriasis indication subject to the terms of the Sun Pharma – Merck & Co., Inc., Kenilworth, NJ, USA agreements, as well as certain cost sharing agreements. Sun Pharma will be eligible to receive development and regulatory milestone payments and, additionally, sales milestone payments and royalties on net sales. Sun Pharma will continue to lead development of tildrakizumab-asmn for other indications, where Almirall will have right of first negotiation for certain indications in Europe. The agreement between Sun Pharma and Almirall remains subject to the exclusive licensing agreement between Sun Pharma and Merck & Co., Inc., Kenilworth, NJ, USA.

About Sun Pharmaceutical Industries Ltd. (CIN – L24230GJ1993PLC019050)
Sun Pharma is the world’s fifth largest specialty generic pharmaceutical company and India’s top pharmaceutical company. A vertically integrated business, economies of scale and an extremely skilled team enable us to deliver quality products in a timely manner at affordable prices. It provides high-quality, affordable medicines trusted by customers and patients in over 150 countries across the world. Sun Pharma’s global presence is supported by 41 manufacturing facilities spread across 6 continents, R&D centres across the globe and a multi-cultural workforce comprising over 50 nationalities. In India, the company enjoys leadership across 11 different classes of doctors with 30 brands featuring amongst top 300 pharmaceutical brands in India. Its footprint across emerging markets covers over 100 markets and 6 markets in Western Europe. Its Global Consumer Healthcare business is ranked amongst Top 10 across 3 global markets. Its API business footprint is strengthened through 14 world class API manufacturing facilities across the globe. Sun Pharma fosters excellence through innovation supported by strong R&D capabilities comprising about 2,000 scientists and R&D investments of approximately 8% of annual revenues. For further information, please visit www.sunpharma.com & follow us on Twitter @SunPharma_Live.

References
1. National Psoriasis Foundation. Facts about psoriasis. www.psoriasis.org/sites/default/files/for-media/MediaKit.pdf. Accessed on February 22, 2018.
2. National Psoriasis Foundation. About Psoriasis. www.psoriasis.org/about-psoriasis. Accessed on February 22, 2018.
3. Menter A, Gottlieb A, Feldman SR, Van Voorhees AS et al. Guidelines of care for the management of psoriasis and psoriatic arthritis: Section 1. Overview of psoriasis and guidelines of care for the treatment of psoriasis with biologics. J Am Acad Dermatol 2008 May; 58(5):826-50.

////////////////tildrakizumab-asmn, FDA 2018, MERCK, Schering-Plough, MONOCLONAL ANTIBODY, SCH 900222, MK-3222, Psoriasis, plaque, BLA 761067, SCH-900222, SUNPG 1622, SUNPG 1622 I, SUNPG 1623 I, SUNPG 1623 II, SUNPG 1623 III, SUNPG 1623 IV, SUNPG1623,

PF 06650808

March 30, 2016 3:17 am / Leave a comment

Picture credit….Bethany Halford

Structure of PF06650808.

PF 06650808

CAS 1822383-80-1

A biologic for cancer treatment (Pfizer Inc.)

Originator Pfizer
Class Antineoplastics
Mechanism of Action Notch-3 receptor antagonists

No development reported Solid tumours

24 Jun 2018 Biomarkers information updated
28 Apr 2018 No recent reports of development identified for phase-I development in Solid-tumours(Late-stage disease) in USA (IV)
01 Jul 2017 Pfizer completes a phase I trial in Solid tumours (Late-stage disease) in USA (IV) (NCT02129205)

Company: Pfizer

Target: Neurogenic locus notch homolog protein 3 (NOTCH3): Activation and mutation of the NOTCH signaling pathway can lead to cancer.

Disease: Cancer

Notes: PF06650808 is an antibody-drug conjugate that delivers a cytotoxic payload molecule directly to tumor cells, explained Andreas Maderna, an associate research fellow at Pfizer. The payload molecule in PF06650808 was inspired by the marine natural product dolostatin 10, which is produced by cyanobacteria consumed by a type of sea slug.

https://cen.acs.org/articles/94/i15/New-drug-candidates-shine-San-Diego.html

PATENT

WO 2015171907

https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2015171907

The present invention relates to stable isotopic identification of biologic products, methods of stable isotopic identification of such biologic products, and stable isotopic methods and systems for correlating biologic products to the processes by which they are made.

PATENT

WO 2018045058

https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2018045058&tab=PCTDESCRIPTION&maxRec=1000

CLIP

Rosen, L.S.; Wesolowski, R.; Gibson, B.; et al.
A Phase 1 dose escalation, safety, and pharmacokinetic study of PF-06650808, an anti-Notch3 antibody drug conjugate, in adult patients with advanced solid tumors
Eur Cancer Congr (September 25-29, Vienna) 2015, Abst 3OLBA

Maderna, A.
Therapeutic targeting the NOTCH3 receptor with antibody drug conjugates
251st Am Chem Soc (ACS) Natl Meet (March 13-17, San Diego) 2016, Abst MEDI 262

Hurvitz, S.A.; von Euw, E.; O’Brien, N.; et al.
Preclinical evaluation of targeting Notch-3 in breast cancer
107th Annu Meet Am Assoc Cancer Res (AACR) (April 16-20, New Orleans) 2016, Abst 1206

Chen, J.; Geles, K.; Silva, M.; Waterhouse, R.; Ma, D.; Charati, M.; Sapra, P.; Mccarthy, T.
Evaluate the impact of conjugation on targeting capacity, pharmacokinetics and tissue distribution of antibody drug conjugate, PF-06650808, in tumor bearing mice
22nd Int Symp Radiopharm Sci (ISRS) (May 14-19, Dresden) 2017, Abst P 052

///////////

PF 06650808

	Phase 1

Phase 1

$PFE compound inspired by auristatins

https://clinicaltrials.gov/ct2/show/NCT02129205

http://www.pfizer.com/sites/default/files/product-pipeline/8_7_2014_Pipeline_Update.pdf

ALL DATA COMING………

Notch-3 receptor antagonists

Neoplasms
Breast

Pfizer

Cancer

PF-06650808, is currently being examined in a Ph1 clinical trial (Protocol B7501001).

Notch3
Researchers are also exploring the use of Notch3 targeting. “The Notch pathway plays an important role in the growth of several solid tumours, including breast and ovarian cancer and melanoma,” explained Joerger. “In particular, Notch3 alterations such as gene amplification and upregulation are associated with poor patient survival. Research using Notch3 targeting as an innovative approach to treat solid malignancies included 27 patients unselected for Notch3 who received increasing doses of the anti-Notch3 antibody-drug conjugate PF-06650808. Responses were seen in two breast cancer patients (LBA 30). While preliminary, targeting Notch3 may become a new treatment approach in patients with selected solid tumours.”

The anti-Notch3 antibody-drug conjugate PF-06650808 is being developed by Pfizer.

31 Jul 2014 Phase-I clinical trials in Solid tumours (Late-stage disease) in USA (Parenteral)
30 Apr 2014 Preclinical trials in Solid tumours in USA (Parenteral)
30 Apr 2014 Pfizer plans a phase I trial for Solid tumours (late-stage disease, second-line therapy or greater) in USA (NCT02129205)

251st Am Chem Soc (ACS) Natl Meet (March 13-17, San Diego) 2016, Abst MEDI 262

/////////PF 06650808, PF-06650808, PF-6650808, monoclonal antibody, pfizer, phase 1, Solid tumours , Notch-3 receptor antagonists

C1(C(N(C(C1)=O)CCCCCC(=O)NC([C@H](C)C)C(=O)NC(C(=O)Nc2ccc(cc2)COC(=O)NC(C)(C)C(=O)N[C@@H](C(C)C)C(=O)[N@](C)C(C(CC)C)[C@@H](OC)CC(=O)N3CCC[C@H]3C(OO)C(C)C(=O)N[C@H](c4nccs4)CC)CCCNC(=O)N)=O)SC

DRUG APPROVALS BY DR ANTHONY MELVIN CRASTO …..FOR BLOG HOME CLICK HERE

amcrasto@gmail.com

P.S

THE VIEWS EXPRESSED ARE MY PERSONAL AND IN NO-WAY SUGGEST THE VIEWS OF THE PROFESSIONAL BODY OR THE COMPANY THAT I REPRESENT, amcrasto@gmail.com, +91 9323115463 India.

I , Dr A.M.Crasto is writing this blog to share the knowledge/views, after reading Scientific Journals/Articles/News Articles/Wikipedia. My views/comments are based on the results /conclusions by the authors(researchers). I do mention either the link or reference of the article(s) in my blog and hope those interested can read for details. I am briefly summarising the remarks or conclusions of the authors (researchers). If one believe that their intellectual property right /copyright is infringed by any content on this blog, please contact or leave message at below email address amcrasto@gmail.com. It will be removed ASAP

Bococizumab

September 3, 2015 1:51 pm / Leave a comment

Bococizumab

PF-04950615, RN-316, RN316

PCSK9 (proprotein convertase subtilisin/kexin type 9, neural apoptosis-regulated convertase 1, NARC1, NARC-1, proproteine convertase 9, PC9) [Homo sapiens]

IgG2 – kappa

Hypercholesterolemia

Cardiovascular diseases

STRUCTURAL FORMULA
Heavy chain
QVQLVQSGAE VKKPGASVKV SCKASGYTFT SYYMHWVRQA PGQGLEWMGE 50
ISPFGGRTNY NEKFKSRVTM TRDTSTSTVY MELSSLRSED TAVYYCARER 100
PLYASDLWGQ GTTVTVSSAS TKGPSVFPLA PCSRSTSEST AALGCLVKDY 150
FPEPVTVSWN SGALTSGVHT FPAVLQSSGL YSLSSVVTVP SSNFGTQTYT 200
CNVDHKPSNT KVDKTVERKC CVECPPCPAP PVAGPSVFLF PPKPKDTLMI 250
SRTPEVTCVV VDVSHEDPEV QFNWYVDGVE VHNAKTKPRE EQFNSTFRVV 300
SVLTVVHQDW LNGKEYKCKV SNKGLPSSIE KTISKTKGQP REPQVYTLPP 350
SREEMTKNQV SLTCLVKGFY PSDIAVEWES NGQPENNYKT TPPMLDSDGS 400
FFLYSKLTVD KSRWQQGNVF SCSVMHEALH NHYTQKSLSL SPGK 444
Light chain
DIQMTQSPSS LSASVGDRVT ITCRASQGIS SALAWYQQKP GKAPKLLIYS 50′
ASYRYTGVPS RFSGSGSGTD FTFTISSLQP EDIATYYCQQ RYSLWRTFGQ 100′
GTKLEIKRTV AAPSVFIFPP SDEQLKSGTA SVVCLLNNFY PREAKVQWKV 150′
DNALQSGNSQ ESVTEQDSKD STYSLSSTLT LSKADYEKHK VYACEVTHQG 200′
LSSPVTKSFN RGEC 214′
Disulfide bridges location
22-96 22”-96” 23′-88′ 23”’-88”’ 132-214′ 132”-214”’
134′-194′ 134”’-194”’ 145-201 145”-201” 220-220” 221-221”
224-224” 227-227” 258-318 258”-318” 364-422 364”-422”

Bococizumab nonproprietary drug name

bococizumab

RN-316, PF-04950615

target-PC9

USAN (AB-55) BOCOCIZUMAB
PRONUNCIATION boe” koe siz’ ue mab
THERAPEUTIC CLAIM Treatment of dyslipidemia
CHEMICAL NAME
1. Immunoglobulin G2, anti-(human neural apoptosis-regulated proteinase
1)(human-Mus musculus monoclonal PF-04950615 heavy chain), disulfide
with human-Mus musculus monoclonal PF-04950615 light chain, dimer
2. Immunoglobulin G2-kappa, anti-[human proprotein convertase subtilisin/hexin type 9 (neural apoptosis-regulated convertase 1, PC9)], humanized mouse monoclonal antibody; gamma 2 heavy chain (1-444) [humanized VH (Homo sapiens IGHV1-46-1*03 (90.8%) -(IGHD)-IGHJ6*01) [8.8.11] (1-118)-Homo sapiens IGHG2*01 CH2A100>S(327),CH2P101>S(328) (119-444)] (132-214′)-
disulfide with kappa light chain (1′-214′) [humanized V-KAPPA (Homo sapiensIGKV1-39*01 (88.2%)-IGKJ2*01 [6.3.9] (1′-107′)-IGKC*01 (108′-214′)]; dimer
(220-220”:221-221”:224-224”:227-227”)-tetrakisdisulfide

MOLECULAR FORMULA C6414H9918N1722O2012S54
MOLECULAR WEIGHT 145.1 kDa
TRADEMARK None as yet
SPONSOR Pfizer, Inc.
CODE DESIGNATIONS RN316, PF-04950615
CAS REGISTRY NUMBER 1407495-02-6
WHO NUMBER 9840

Bococizumab^[1] (RN316)^[2] is a drug in development by Pfizer targeting PCSK9 to reduce LDL cholesterol.^[3]

Description

Bococizumab is a monoclonal antibody that inhibits PCSK9, a protein that interferes with the removal of LDL. LDL levels are a major risk factor for cardiovascular disease.

Clinical trials

A phase 2b study of statin patients was presented at the 2014 American College of Cardiology. Monthly or bimonthly injections resulted in significantly reduced LDL-C at week 12.

The Phase 3 SPIRE trials plan to enroll 17,000 patients to measure cardiovascular risk. High risk and statin intolerant subjects will be included.

References

“Statement On A Nonproprietary Name Adopted By The USAN Council: Bococizumab” (PDF). American Medical Association.
World Health Organization (2013). “International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 110”(PDF). WHO Drug Information 27 (4).
“Bococizumab (RN316) Significantly Reduced LDL Cholesterol In Statin-Treated Adults With High Cholesterol In A Phase 2b Study”. Retrieved 29 December 2014.

Bococizumab^?
Monoclonal antibody
Type	Whole antibody
Source	Humanized (from mouse)
Target	Proprotein convertase subtilisin/kexin type 9 (PCSK9)
Clinical data
Legal status	Investigational
Routes of administration	Subcutaneous injection
Identifiers
CAS Registry Number	1407495-02-6
ATC code	None
PubChem	SID: 194168554
IUPHAR/BPS	7730
ChEMBL	CHEMBL3137349
Chemical data
Formula	C₆₄₁₄H₉₉₁₈N₁₇₂₂O₂₀₁₂S₅₄
Molecular mass	145.1 kDa

//////

Japanese filing for Amgen’s PCSK9 inhibitor Repatha

March 23, 2015 7:39 am / Leave a comment

Amgen has filed its closely watched PCSK9 inhibitor Repatha (evolocumab) in Japan for the treatment of high cholesterol.

Repatha is an investigational fully human monoclonal antibody that inhibits proprotein convertase subtilisin/kexin type 9 (PCSK9), a protein that reduces the liver’s ability to remove low-density lipoprotein cholesterol (LDL-C), or ‘bad’ cholesterol, from the blood.

Evolocumab
Monoclonal antibody
Type	Whole antibody
Source	Human
Target	PCSK9
Clinical data
Legal status	Investigational
Routes of administration	Subcutaneous injection
Identifiers
CAS Registry Number	1256937-27-5
ATC code	C10AX13
Chemical data
Formula	C₆₂₄₂H₉₆₄₈N₁₆₆₈O₁₉₉₆S₅₆
Molecular mass	141.8 kDa

Evolocumab^[1] (also known as compound number AMG-145 or AMG145)^[2] is a monoclonal antibody designed for the treatment of hyperlipidemia.^[3] Evolocumab is a fully human monoclonal antibody that inhibits proprotein convertase subtilisin/kexin type 9 (PCSK9).

PCSK9 is a protein that targets LDL receptors for degradation and thereby reduces the liver’s ability to remove LDL-C, or “bad” cholesterol, from the blood.

Evolocumab, being developed by Amgen scientists, is designed to bind to PCSK9 and inhibit PCSK9 from binding to LDL receptors on the liver surface. In the absence of PCSK9, there are more LDL receptors on the surface of the liver to remove LDL-C from the blood.

Clinical trials

Two trials have been in progress as at mid-2014:

On 23 January 2014 Amgen announced that the Phase 3 GAUSS-2 (Goal Achievement After Utilizing an Anti-PCSK9 Antibody in Statin Intolerant Subjects-2) trial evaluating evolocumab in patients with high cholesterol who cannot tolerate statins met its co-primary endpoints: the percent reduction from baseline in low-density lipoprotein cholesterol (LDL-C) at week 12 and the mean percent reduction from baseline in LDL-C at weeks 10 and 12. The mean percent reductions in LDL-C, or “bad” cholesterol, compared to ezetimibe were consistent with results observed in the Phase 2 GAUSS study.^[4]^[5]

The GAUSS-2 trial evaluated safety, tolerability and efficacy of evolocumab in 307 patients with high cholesterol who could not tolerate effective doses of at least two different statins due to muscle-related side effects. Patients were randomly assigned to one of four treatment groups: subcutaneous evolocumab 140 mg every two weeks and oral placebo daily; subcutaneous evolocumab 420 mg monthly and oral placebo daily; subcutaneous placebo every two weeks and oral ezetimibe 10 mg daily; or subcutaneous placebo monthly and oral ezetimibe 10 mg daily.

Safety was generally balanced across treatment groups. The most common adverse events (> 5 percent in evolocumab combined group) were headache (7.8 percent evolocumab; 8.8 percent ezetimibe), myalgia (7.8 percent evolocumab; 17.6 percent ezetimibe), pain in extremity (6.8 percent evolocumab; 1.0 percent ezetimibe), and muscle spasms (6.3 percent evolocumab; 3.9 percent ezetimibe).

Cholesterol-lowering treatment with a statin as part of follow-up care can help reduce a patient’s risk after myocardial infarction, ischaemic stroke or TIA.

The FOURIER Phase 3 clinical study http://www.fourierstudy.com/ seeks to find out whether lowering cholesterol by an additional 50% might reduce this risk even further. Several sites in the UK are part of this very large clinical study, lasting up to five years, and it is hoped that the study will help guide future clinical practice.

Evolocumab (also formerly known as AMG145, from Amgen) binds to PCSK9, a natural protein produced by the liver. By binding to PCSK9, evolocumab allows the LDL receptor (a protein present in the liver) to move LDL-cholesterol out of the bloodstream more efficiently. This study is designed to see whether treatment of dyslipidemia with evolocumab in people who have experienced a prior myocardial infarction, ischaemic stroke or TIA, and who are taking a highly effective dose of a statin, reduces the risk of recurring or additional cardiovascular events. Participants in this study have clinically evident cardiovascular disease.

READ AT

https://newdrugapprovals.org/2014/03/19/amgen-drug-evolocumab-hits-endpoint-of-cholesterol-reduction/

MY EARLIER ARTICLE

DR ANTHONY CRASTO

https://newdrugapprovals.org/

References

World Health Organization (2012). “International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 108” (PDF). WHO Drug Information 26 (4).
2
Sheridan, C (2013). “Phase 3 data for PCSK9 inhibitor wows”. Nature Biotechnology 31 (12): 1057–8. doi:10.1038/nbt1213-1057. PMID 24316621. edit
3
Statement On A Nonproprietary Name Adopted By The USAN Council – Evolocumab
4
Estel Grace Masangkay, “Amgen Phase III GAUSS-2 Trial of Evolocumab (AMG 145) Meets Co-Primary Endpoints Of LDL Cholesterol Reduction”, Bioresearch Online (January 24 2014)
5

Pierson, Ransdell (17 March 2014). “Amgen drug meets goal for those with high genetic cholesterol”. Associated Press. Retrieved 19 March 2014.

Novartis obtains European approval for Cosentyx to treat psoriasis

January 21, 2015 3:24 am / 1 Comment on Novartis obtains European approval for Cosentyx to treat psoriasis

Novartis obtains European approval for Cosentyx to treat psoriasis
Swiss drug-maker Novartis has received approval from the European Commission (EC) for its Cosentyx (secukinumab, formerly known as AIN457) to treat moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy.SEE

http://www.pharmaceutical-technology.com/news/newsnovartis-obtains-european-approval-for-cosentyx-to-treat-psoriasis-4492415?WT.mc_id=DN_News

PSORIAIS

secukinumab

Secukinumab is a human monoclonal antibody designed for the treatments of uveitis, rheumatoid arthritis, ankylosing spondylitis, and psoriasis. It targets member A from the cytokine family of interleukin 17.^[1]^[2] At present, Novartis Pharma AG, the drug’s developer, plans to market it under the trade name “Cosentyx.” ^[3] It is highly specific to the human immunoglobulin G1k (IgG1k) subclass.^[2]

In July 2014 secukinumab established superiority to placebo and to etanercept for the treatment of chronic plaque psoriasis in Phase III clinical trials.^[4] In October 2014, the FDA Dermatologic and Ophthalmic Drugs Advisory Committee unanimously voted to recommend the drug for FDA approval, although this vote in and of itself does not constitute an approval. However, the FDA typically follows recommendations from these committees.^[5] In October 2014, Novartis announced that the drug had achieved a primary clinical endpoint in two phase III clinical trials for ankylosing spondylitis.^[6] As of 28 October, the relevant FDA committee had not yet responded to these results. In early November 2014, Novartis also released the results of a Phase 3 study on Psoriatic Arthritis that yielded very promising results.^[7]

Although the drug was originally intended to treat rheumatoid arthritis, phase II clinical trials for this condition yielded disappointing results.^[8] Similarly, while patients in a phase II clinical trial for [psoriatic arthritis] did show improvement over placebo, the improvement did not meet adequate endpoints and Novartis is considering whether to do more research for this condition.^[9] Novartis has said that it is targeting approval and release in early 2015 for plaque psoriasis and ankyloding spondylitis indications.

It is also in a phase II clinical trial for Multiple Sclerosis ^[10] as it has exhibited efficacy in treating experimental autoimmune encephalomyelitis (EAE), an animal model of MS.

CAS registry numbers

875356-43-7 (heavy chain)
875356-44-8 (light chain)

References

“Statement On A Nonproprietary Name Adopted By The USAN Council: Secukinumab”. American Medical Association.
Hueber, W.; Patel, D. D.; Dryja, T.; Wright, A. M.; Koroleva, I.; Bruin, G.; Antoni, C.; Draelos, Z.; Gold, M. H.; Psoriasis Study, P.; Durez, P. P.; Tak, J. J.; Gomez-Reino, C. S.; Rheumatoid Arthritis Study, R. Y.; Foster, C. M.; Kim, N. S.; Samson, D. S.; Falk, D.; Chu, Q. D.; Callanan, K.; Nguyen, A.; Uveitis Study, F.; Rose, K.; Haider, A.; Di Padova, F. (2010). “Effects of AIN457, a Fully Human Antibody to Interleukin-17A, on Psoriasis, Rheumatoid Arthritis, and Uveitis”. Science Translational Medicine 2 (52): 52ra72.doi:10.1126/scitranslmed.3001107. PMID 20926833. edit
http://www.medscape.com/viewarticle/835331
Langley RG, Elewski BE, Mark Lebwohl M, et al., for the ERASURE and FIXTURE Study Groups (July 24, 2014). “Secukinumab in Plaque Psoriasis — Results of Two Phase 3 Trials”. N Engl J Med 371: 326–338. doi:10.1056/NEJMoa1314258.
committees.http://www.familypracticenews.com/index.php?id=2934&type=98&tx_ttnews=306073^{[dead link]}
http://inpublic.globenewswire.com/2014/10/23/Novartis+AIN457+secukinumab+meets+primary+endpoint+in+two+Phase+III+studies+in+ankylosing+spondylitis+a+debilitating+joint+condition+of+the+spine+HUG1864939.html
http://www.medpagetoday.com/MeetingCoverage/ACR/48743
http://www.medscape.com/viewarticle/806510_6
http://www.ncbi.nlm.nih.gov/pubmed/23361084
http://clinicaltrials.gov/show/NCT01874340

Secukinumab
Monoclonal antibody
Type	Whole antibody
Source	Human
Target	IL17A
Clinical data
Legal status	Investigational
Identifiers
CAS number
ATC code	L04AC10
DrugBank	DB09029
Synonyms	AIN457
Chemical data
Formula	C₆₅₈₄H₁₀₁₃₄N₁₇₅₄O₂₀₄₂S₄₄
Molecular mass	147.94 kDa

FDA Approves Blincyto (blinatumomab) for Precursor B-Cell Acute Lymphoblastic Leukemia

December 4, 2014 7:08 am / Leave a comment

Blinatumomab linking a T cell to a malignant B cell.

http://www.sciencedirect.com/science/article/pii/S0163725812001830

FDA Approves Blincyto (blinatumomab) for Precursor B-Cell Acute Lymphoblastic Leukemia

December 3, 2014 — The U.S. Food and Drug Administration today

approved Blincyto (blinatumomab) to treat patients with Philadelphia

chromosome-negative precursor B-cell acute lymphoblastic leukemia

(B-cell ALL), an uncommon form of ALL.

http://www.drugs.com/newdrugs/fda-approves-blincyto-blinatumomab-precursor-b-cell-acute-lymphoblastic-leukemia-4115.html?utm_source=ddc&utm_medium=email&utm_campaign=Today%27s+news+summary+-+December+3%2C+2014&utm_content=FDA+Approves+Blincyto+%28blinatumomab%29+for+Precursor+B-Cell+Acute+Lymphoblastic+Leukemia

Blinatumomab (AMG103) is a drug that has anti-cancer properties. It belongs to a new class of constructed monoclonal antibodies,bi-specific T-cell engagers (BiTEs), that exert action selectively and direct the human immune system to act against tumor cells. Blinatumomab specifically targets the CD19 antigen present on B cells.^[1]

The drug was developed by a German-American company Micromet, Inc. in cooperation with Lonza; Micromet was later purchases by Amgen, which has furthered the drug’s clinical trials. In July 2014, the FDA granted breakthrough therapy status to blinatumomab for the treatment of acute lymphoblastic leukemia (ALL).^[2] In October 2014, Amgen’s Biologics License Application for blinatumomab was granted priority review designation by the FDA, thus establishing a deadline of May 19, 2015 for completion of the FDA review process.^[3]

Structure and mechanism of action

Blinatumomab linking a T cell to a malignant B cell.

Blinatumomab enables a patient’s T cells to recognize malignant B cells. A molecule of blinatumomab combines two binding sites: a CD3site for T cells and a CD19 site for the target B cells. CD3 is part of the T cell receptor. The drug works by linking these two cell types andactivating the T cell to exert cytotoxic activity on the target cell.^[4] CD3 and CD19 are expressed in both pediatric and adult patients, making blinatumomab a potential therapeutic option for both pediatric and adult populations.^[5]

Therapeutic use

Clinical trials

In a phase 1 clinical study with blinatumomab, patients with non-Hodgkin’s lymphoma showed tumor regression, and in some cases complete remission.^[6] There are ongoing phase 1 and phase 2 clinical trials of blinatumomab in patients with acute lymphoblastic leukemia (ALL).^[7] One phase II trial for ALL reported good results in 2010 and another is starting.^[8]

Adverse effects

Common side effects observed in Phase 2 trials are listed below; they were temporary and typically occurred during the first treatment cycle:^[5]

Flu-like symptoms (i.e. fever, headache, and fatigue)
Tremor
Weight increase
Hypokalemia
Decrease of blood immunoglobulin

CNS effects were also observed during clinical trials and were treated via a lower dose of blinatumomab, administration of dexamethasone, or treatment discontinuation. Because the side effects were reversible, early monitoring for the CNS symptoms listed below is important:^[5]

Seizure
Encephalopathy
Tremor
Apraxia
Speech disorders
Disorientation

Less common side effects include cytokine release syndrome and immunogenicity.^[5]

References

Statement on a Nonproprietary Name adopted by the USAN Council: Blinatumomab
Amgen Receives FDA Breakthrough Therapy Designation For Investigational BiTE® Antibody Blinatumomab In Acute Lymphoblastic Leukemia
Amgen’s BiTE® Immunotherapy Blinatumomab Receives FDA Priority Review Designation In Acute Lymphoblastic Leukemia
Mølhøj, M; Crommer, S; Brischwein, K; Rau, D; Sriskandarajah, M; Hoffmann, P; Kufer, P; Hofmeister, R; Baeuerle, PA (March 2007). “CD19-/CD3-bispecific antibody of the BiTE class is far superior to tandem diabody with respect to redirected tumor cell lysis”. Mol Immunol 44 (8): 1935–43. doi:10.1016/j.molimm.2006.09.032. PMID 17083975.
Background Information for the Pediatric Subcommittee of the Oncologic Drugs Advisory Committee Meeting 04 December 2012
Bargou, R; et al. (2008). “Tumor regression in cancer patients by very low doses of a T cell-engaging antibody”. Science 321 (5891): 974–977. doi:10.1126/science.1158545.PMID 18703743.
ClinicalTrials.gov NCT00560794 Phase II Study of the BiTE Blinatumomab (MT103) in Patients With Minimal Residual Disease of B-precursor Acute ALL
“Micromet initiates MT103 phase 2 trial in adult ALL patients”. 20 Sep 2010.

External links

Clinical trials of blinatumomab

Blinatumomab
Monoclonal antibody
Type	Bi-specific T-cell engager
Source	Mouse
Target	CD19, CD3
Clinical data
Legal status	?
Identifiers
CAS number	853426-35-4
ATC code	None
UNII	4FR53SIF3A
Chemical data
Formula	C₂₃₆₇H₃₅₇₇N₆₄₉O₇₇₂S₁₉
Mol. mass	54.1 kDa

Glenmark’s Enrollment Begins of First Patient in Phase II Vatelizumab (GBR 500) Trial in Relapsing Remitting Multiple Sclerosis

November 11, 2014 3:29 am / 1 Comment on Glenmark’s Enrollment Begins of First Patient in Phase II Vatelizumab (GBR 500) Trial in Relapsing Remitting Multiple Sclerosis

Enrollment Begins of First Patient in Phase II Vatelizumab Trial in Relapsing Remitting Multiple Sclerosis

Glenmark outlicensed Vatelizumab (GBR 500) to Sanofi for all indications in 2011

Mumbai – India, November 4, 2014: Glenmark announced today enrollment of the first patient in a multicenter Phase II clinical trial to evaluate Genzyme’s investigational infusion therapy vatelizumab in patients with relapsing remitting multiple sclerosis (RRMS). The trial, called EMPIRE, is designed to assess the efficacy of vatelizumab vs. placebo in RRMS patients. The safety, tolerability and pharmacokinetics of vatelizumab will also be assessed.

read at

http://bionews-tx.com/news/2014/11/06/first-rrms-patient-enrolled-glenmarkgenzymes-vatelizumab-trial/

The mechanism of action of vatelizumab, which is developed in a collaboration between Glenmark Pharmaceuticals and Genzyme, is not yet fully understood. However, the researchers believe that it will be able to block VLA-2 on activated immune cells, which may enable the interference with collagen-binding in areas of inflammation, as well as leading to the reduction of inflammatory cascade associated with MS.

“We are excited about the commencement of this trial and are pleased with the continued progress of our partnership with Sanofi/Genzyme,” said the President of Biologics and Chief Scientific Officer of Glenmark Pharmaceuticals Ltd., Michael Buschle. EMPIRE, which will be conducted for 12 weeks, is a global phase 2a/2b double-blind, randomized, placebo-controlled study that will study the efficacy, safety, and dose-response of vatelizumab in 168 patients with active RRMS at55 sites in ten different countries.

Vatelizumab is an immunomodulator. It binds to integrin alpha 2.^[1]

Company	Glenmark Pharmaceuticals Ltd.
Description	mAb against integrin alpha(2) (VLA-2; CD49B)
Molecular Target	Integrin alpha(2) (VLA-2) (CD49B)
Mechanism of Action	Antibody
Therapeutic Modality	Biologic: Antibody

Latest Stage of Development	Phase I/II
Standard Indication	Inflammatory bowel disease (IBD)
Indication Details	Treat inflammatory bowel disease (IBD); Treat ulcerative colitis (UC)
Regulatory Designation
Partner	Sanofi

References

World Health Organization (2011). “International Nonproprietary Names for Pharmaceutical Substances (INN). Proposed INN: List 105”(PDF). WHO Drug Information 25 (2).

	DR ANTHONY MELVIN CR… on AK 3280
	DR ANTHONY MELVIN CR… on Novobiocin, ノボビオシン;
	DR ANTHONY MELVIN CR… on CT 1812
	DR ANTHONY MELVIN CR… on ACLIMOSTAT
	DR ANTHONY MELVIN CR… on SRT 1720

Tag Archives: Monoclonal antibody

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