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Caplacizumab-yhdp, カプラシズマブ

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FDA approves first therapy Cablivi (caplacizumab-yhdp) カプラシズマブ  , for the treatment of adult patients with a rare blood clotting disorder

FDA

February 6, 2019

The U.S. Food and Drug Administration today approved Cablivi (caplacizumab-yhdp) injection, the first therapy specifically indicated, in combination with plasma exchange and immunosuppressive therapy, for the treatment of adult patients with acquired thrombotic thrombocytopenic purpura (aTTP), a rare and life-threatening disorder that causes blood clotting.

“Patients with aTTP endure hours of treatment with daily plasma exchange, which requires being attached to a machine that takes blood out of the body and mixes it with donated plasma and then returns it to the body. Even after days or weeks of this treatment, as well as taking drugs that suppress the immune system, many patients will have a recurrence of aTTP,” said Richard Pazdur, M.D., director of the FDA’s Oncology Center of Excellence and acting director of the Office of Hematology and Oncology Products in the FDA’s Center for Drug Evaluation and Research. “Cablivi is the first targeted treatment that inhibits the formation of blood clots. It provides a new treatment option for patients that may reduce recurrences.”

Patients with aTTP develop extensive blood clots in the small blood vessels throughout the body. These clots can cut off oxygen and blood supply to the major organs and cause strokes and heart attacks that may lead to brain damage or death. Patients can develop aTTP because of conditions such as cancer, HIV, pregnancy, lupus or infections, or after having surgery, bone marrow transplantation or chemotherapy.

The efficacy of Cablivi was studied in a clinical trial of 145 patients who were randomized to receive either Cablivi or a placebo. Patients in both groups received the current standard of care of plasma exchange and immunosuppressive therapy. The results of the trial demonstrated that platelet counts improved faster among patients treated with Cablivi, compared to placebo. Treatment with Cablivi also resulted in a lower total number of patients with either aTTP-related death and recurrence of aTTP during the treatment period, or at least one treatment-emergent major thrombotic event (where blood clots form inside a blood vessel and may then break free to travel throughout the body).The proportion of patients with a recurrence of aTTP in the overall study period (the drug treatment period plus a 28-day follow-up period after discontinuation of drug treatment) was lower in the Cablivi group (13 percent) compared to the placebo group (38 percent), a finding that was statistically significant.

Common side effects of Cablivi reported by patients in clinical trials were bleeding of the nose or gums and headache. The prescribing information for Cablivi includes a warning to advise health care providers and patients about the risk of severe bleeding.

Health care providers are advised to monitor patients closely for bleeding when administering Cablivi to patients who currently take anticoagulants.

The FDA granted this application Priority Review designation. Cablivi also received Orphan Drug designation, which provides incentives to assist and encourage the development of drugs for rare diseases.

The FDA granted the approval of Cablivi to Ablynx.

 EU

Cablivi is the first therapeutic approved in Europe, for the treatment of a rare blood-clotting disorder

On September 03, 2018, the European Commission has granted marketing authorization for Cablivi™ (caplacizumab) for the treatment of adults experiencing an episode of acquired thrombotic thrombocytopenic purpura (aTTP), a rare blood-clotting disorder. Cablivi is the first therapeutic specifically indicated for the treatment of aTTP   1. Cablivi was designated an ‘orphan medicine’ (a medicine used in rare diseases) on April 30, 2009. The approval of Cablivi in the EU is based on the Phase II TITAN and Phase III HERCULES studies in 220 adult patients with aTTP. The efficacy and safety of caplacizumab in addition to standard-of-care treatment, daily PEX and immunosuppression, were demonstrated in these studies. In the HERCULES study, treatment with caplacizumab in addition to standard-of-care resulted in a significantly shorter time to platelet count response (p<0.01), the study’s primary endpoint; a significant reduction in aTTP-related death, recurrence of aTTP, or at least one major thromboembolic event during study drug treatment (p<0.0001); and a significantly lower number of aTTP recurrences in the overall study period (p<0.001). Importantly, treatment with caplacizumab resulted in a clinically meaningful reduction in the use of PEX and length of stay in the intensive care unit (ICU) and the hospital, compared to the placebo group. Cablivi was developed by Ablynx, a Sanofi company. Sanofi Genzyme, the specialty care global business unit of Sanofi, will work with relevant local authorities to make Cablivi available to patients in need in countries across Europe.

About aTTP aTTP is a life-threatening, autoimmune blood clotting disorder characterized by extensive clot formation in small blood vessels throughout the body, leading to severe thrombocytopenia (very low platelet count), microangiopathic hemolytic anemia (loss of red blood cells through destruction), ischemia (restricted blood supply to parts of the body) and widespread organ damage especially in the brain and heart. About Cablivi Caplacizumab blocks the interaction of ultra-large von Willebrand Factor (vWF) multimers with platelets and, therefore, has an immediate effect on platelet adhesion and the ensuing formation and accumulation of the micro-clots that cause the severe thrombocytopenia, tissue ischemia and organ dysfunction in aTTP   2.

Note – Caplacizumab is a bivalent anti-vWF Nanobody that received Orphan Drug Designation in Europe and the United States in 2009, in Switzerland in 2017 and in Japan in 2018. The U.S. Food and Drug Administration (FDA) has accepted for priority review the Biologics License Application for caplacizumab for treatment of adults experiencing an episode of aTTP. The target action date for the FDA decision is February 6, 2019

http://hugin.info/152918/R/2213684/863478.pdf

http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Summary_for_the_public/human/004426/WC500255075.pdf

Image result for Caplacizumab

More………….

EVQLVESGGG LVQPGGSLRL SCAASGRTFS YNPMGWFRQA PGKGRELVAA ISRTGGSTYY
PDSVEGRFTI SRDNAKRMVY LQMNSLRAED TAVYYCAAAG VRAEDGRVRT LPSEYTFWGQ
GTQVTVSSAA AEVQLVESGG GLVQPGGSLR LSCAASGRTF SYNPMGWFRQ APGKGRELVA
AISRTGGSTY YPDSVEGRFT ISRDNAKRMV YLQMNSLRAE DTAVYYCAAA GVRAEDGRVR
TLPSEYTFWG QGTQVTVSS
(disulfide bridge: 22-96, 153-227)

Sequence:

1EVQLVESGGG LVQPGGSLRL SCAASGRTFS YNPMGWFRQA PGKGRELVAA
51ISRTGGSTYY PDSVEGRFTI SRDNAKRMVY LQMNSLRAED TAVYYCAAAG
101VRAEDGRVRT LPSEYTFWGQ GTQVTVSSAA AEVQLVESGG GLVQPGGSLR
151LSCAASGRTF SYNPMGWFRQ APGKGRELVA AISRTGGSTY YPDSVEGRFT
201ISRDNAKRMV YLQMNSLRAE DTAVYYCAAA GVRAEDGRVR TLPSEYTFWG
251QGTQVTVSS

EU 2018/8/31 APPROVED, Cablivi

Treatment of thrombotic thrombocytopenic purpura, thrombosis

Immunoglobulin, anti-(human von Willebrand’s blood-coagulation factor VIII domain A1) (human-Lama glama dimeric heavy chain fragment PMP12A2h1)

Other Names

  • 1: PN: WO2011067160 SEQID: 1 claimed protein
  • 98: PN: WO2006122825 SEQID: 98 claimed protein
  • ALX 0081
  • ALX 0681
  • Caplacizumab
FORMULA
C1213H1891N357O380S10
CAS
915810-67-2
MOL WEIGHT
27875.8075

Caplacizumab (ALX-0081) (INN) is a bivalent VHH designed for the treatment of thrombotic thrombocytopenic purpura and thrombosis.[1][2]

This drug was developed by Ablynx NV.[3] On 31 August 2018 it was approved in the European Union for the “treatment of adults experiencing an episode of acquired thrombotic thrombocytopenic purpura (aTTP), in conjunction with plasma exchange and immunosuppression”.[4]

It is an anti-von Willebrand factor humanized immunoglobulin.[5] It acts by blocking platelet aggregation to reduce organ injury due to ischemia.[5] Results of the phase II TITAN trial have been reported.[5]

In February 2019, caplacizumab-yhdp (CABLIVI, Ablynx NV) has been approved by the Food and Drug Administration for treatment of adult patients with acquired thrombotic thrombocytopenic purpura (aTTP). The drug is used in combination with plasma exchange and immunosuppressive therapy. [6]

PATENTS

WO 2006122825

WO 2009115614

WO 2011067160

WO 2011098518

WO 2011162831

WO 2013013228

WO 2014109927

WO 2016012285

WO 2016138034

WO 2016176089

WO 2017180587

WO 2017186928

WO 2018067987

Image result for Caplacizumab

Caplacizumab
Monoclonal antibody
Type Single domain antibody
Source Humanized
Target VWF
Clinical data
Synonyms ALX-0081
ATC code
Identifiers
CAS Number
DrugBank
ChemSpider
  • none
UNII
KEGG
Chemical and physical data
Formula C1213H1891N357O380S10
Molar mass 27.88 kg/mol

CLIP

https://www.tandfonline.com/doi/full/10.1080/19420862.2016.1269580

Caplacizumab (ALX-0081) is a humanized single-variable-domain immunoglobulin (Nanobody) that targets von Willebrand factor, and thereby inhibits the interaction between von Willebrand factor multimers and platelets. In a Phase 2 study (NCT01151423) of 75 patients with acquired thrombotic thrombocytopenic purpura who received SC caplacizumab (10 mg daily) or placebo during plasma exchange and for 30 d afterward, the time to a response was significantly reduced with caplacizumab compared with placebo (39% reduction in median time, P = 0.005).39Peyvandi FScully MKremer Hovinga JACataland SKnöbl PWu HArtoni AWestwood JPMansouri Taleghani MJilma B, et al. Caplacizumab for acquired thrombotic thrombocytopenic purpura. N Engl J Med 2016; 374(6):51122; PMID:26863353; http://dx.doi.org/10.1056/NEJMoa1505533[Crossref][PubMed][Web of Science ®][Google Scholar] The double-blind, placebo-controlled, randomized Phase 3 HERCULES study (NCT02553317) study will evaluate the efficacy and safety of caplacizumab treatment in more rapidly curtailing ongoing microvascular thrombosis when administered in addition to standard of care treatment in subjects with an acute episode of acquired thrombotic thrombocytopenic purpura. Patients will receive an initial IV dose of either caplacizumab or placebo followed by daily SC injections for a maximum period of 6 months. The primary outcome measure is the time to platelet count response. The estimated enrollment is 92 patients, and the estimated primary completion date of the study is October 2017. A Phase 3 follow-up study (NCT02878603) for patients who completed the HERCULES study is planned.

References

///////////////caplacizumab, Cablivi,  Ablynx, Priority Review, Orphan Drug designation,  fda 2019, eu 2018, Caplacizumab, nti-vWF Nanobody, Orphan Drug Designation, aTTP, Cablivi, Ablynx, Sanofi , ALX-0081, カプラシズマブ  , PEPTIDE, ALX 0081

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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 year tenure till date Dec 2017, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 50 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 19 lakh plus views on New Drug Approvals Blog in 216 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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