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Tepezza (teprotumumab-trbw)

Company: Horizon Therapeutics plc
Date of Approval: January 21, 2020
Treatment for: Thyroid Eye Disease

UNIIY64GQ0KC0A

CAS number1036734-93-6

R-1507 / R1507 / RG-1507 / RG1507 / RO-4858696 / RO-4858696-000 / RO-4858696000 / RO4858696 / RO4858696-000 / RV-001 / RV001

Tepezza (teprotumumab-trbw) is a fully human monoclonal antibody (mAb) and a targeted inhibitor of the insulin-like growth factor 1 receptor (IGF-1R) for the treatment of active thyroid eye disease (TED).

FDA Approves Tepezza (teprotumumab-trbw) for the Treatment of Thyroid Eye Disease (TED) – January 21, 2020

Today, the U.S. Food and Drug Administration (FDA) approved Tepezza (teprotumumab-trbw) for the treatment of adults with thyroid eye disease, a rare condition where the muscles and fatty tissues behind the eye become inflamed, causing the eyes to be pushed forward and bulge outwards (proptosis). Today’s approval represents the first drug approved for the treatment of thyroid eye disease.

“Today’s approval marks an important milestone for the treatment of thyroid eye disease. Currently, there are very limited treatment options for this potentially debilitating disease. This treatment has the potential to alter the course of the disease, potentially sparing patients from needing multiple invasive surgeries by providing an alternative, non surgical treatment option,” said Wiley Chambers, M.D., deputy director of the Division of Transplant and Ophthalmology Products in the FDA’s Center for Drug Evaluation and Research. “Additionally, thyroid eye disease is a rare disease that impacts a small percentage of the population, and for a variety of reasons, treatments for rare diseases are often unavailable. This approval represents important progress in the approval of effective treatments for rare diseases, such as thyroid eye disease.”

Thyroid eye disease is associated with the outward bulging of the eye that can cause a variety of symptoms such as eye pain, double vision, light sensitivity or difficulty closing the eye. This disease impacts a relatively small number of Americans, with more women than men affected. Although this condition impacts relatively few individuals, thyroid eye disease can be incapacitating. For example, the troubling ocular symptoms can lead to the progressive inability of people with thyroid eye disease to perform important daily activities, such as driving or working.

Tepezza was approved based on the results of two studies (Study 1 and 2) consisting of a total of 170 patients with active thyroid eye disease who were randomized to either receive Tepezza or a placebo. Of the patients who were administered Tepezza, 71% in Study 1 and 83% in Study 2 demonstrated a greater than 2 millimeter reduction in proptosis (eye protrusion) as compared to 20% and 10% of subjects who received placebo, respectively.

The most common adverse reactions observed in patients treated with Tepezza are muscle spasm, nausea, alopecia (hair loss), diarrhea, fatigue, hyperglycemia (high blood sugar), hearing loss, dry skin, dysgeusia (altered sense of taste) and headache. Tepezza should not be used if pregnant, and women of child-bearing potential should have their pregnancy status verified prior to beginning treatment and should be counseled on pregnancy prevention during treatment and for 6 months following the last dose of Tepezza.

The FDA granted this application Priority Review, in addition to Fast Track and Breakthrough Therapy Designation. Additionally, Tepezza received Orphan Drug designation, which provides incentives to assist and encourage the development of drugs for rare diseases or conditions. Development of this product was also in part supported by the FDA Orphan Products Grants Program, which provides grants for clinical studies on safety and efficacy of products for use in rare diseases or conditions.

The FDA granted the approval of Tepezza to Horizon Therapeutics Ireland DAC.

Teprotumumab (RG-1507), sold under the brand name Tepezza, is a medication used for the treatment of adults with thyroid eye disease, a rare condition where the muscles and fatty tissues behind the eye become inflamed, causing the eyes to be pushed forward and bulge outwards (proptosis).[1]

The most common adverse reactions observed in people treated with teprotumumab-trbw are muscle spasm, nausea, alopecia (hair loss), diarrhea, fatigue, hyperglycemia (high blood sugar), hearing loss, dry skin, dysgeusia (altered sense of taste) and headache.[1] Teprotumumab-trbw should not be used if pregnant, and women of child-bearing potential should have their pregnancy status verified prior to beginning treatment and should be counseled on pregnancy prevention during treatment and for six months following the last dose of teprotumumab-trbw.[1]

It is a human monoclonal antibody developed by Genmab and Roche. It binds to IGF-1R.

Teprotumumab was first investigated for the treatment of solid and hematologic tumors, including breast cancer, Hodgkin’s and non-Hodgkin’s lymphomanon-small cell lung cancer and sarcoma.[2][3] Although results of phase I and early phase II trials showed promise, research for these indications were discontinued in 2009 by Roche. Phase II trials still in progress were allowed to complete, as the development was halted due to business prioritization rather than safety concerns.

Teprotumumab was subsequently licensed to River Vision Development Corporation in 2012 for research in the treatment of ophthalmic conditions. Horizon Pharma (now Horizon Therapeutics, from hereon Horizon) acquired RVDC in 2017, and will continue clinical trials.[4] It is in phase III trials for Graves’ ophthalmopathy (also known as thyroid eye disease (TED)) and phase I for diabetic macular edema.[5] It was granted Breakthrough TherapyOrphan Drug Status and Fast Track designations by the FDA for Graves’ ophthalmopathy.[6]

In a multicenter randomized trial in patients with active Graves’ ophthalmopathy Teprotumumab was more effective than placebo in reducing the clinical activity score and proptosis.[7] In February 2019 Horizon announced results from a phase 3 confirmatory trial evaluating teprotumumab for the treatment of active thyroid eye disease (TED). The study met its primary endpoint, showing more patients treated with teprotumumab compared with placebo had a meaningful improvement in proptosis, or bulging of the eye: 82.9 percent of teprotumumab patients compared to 9.5 percent of placebo patients achieved the primary endpoint of a 2 mm or more reduction in proptosis (p<0.001). Proptosis is the main cause of morbidity in TED. All secondary endpoints were also met and the safety profile was consistent with the phase 2 study of teprotumumab in TED.[8] On 10th of July 2019 Horizon submitted a Biologics License Application (BLA) to the FDA for teprotumumab for the Treatment of Active Thyroid Eye Disease (TED). Horizon requested priority review for the application – if so granted (FDA has a 60-day review period to decide) it would result in a max. 6 month review process.[9]

History[edit]

Teprotumumab-trbw was approved for use in the United States in January 2020, for the treatment of adults with thyroid eye disease.[1]

Teprotumumab-trbw was approved based on the results of two studies (Study 1 and 2) consisting of a total of 170 patients with active thyroid eye disease who were randomized to either receive teprotumumab-trbw or a placebo.[1] Of the subjects who were administered Tepezza, 71% in Study 1 and 83% in Study 2 demonstrated a greater than two millimeter reduction in proptosis (eye protrusion) as compared to 20% and 10% of subjects who received placebo, respectively.[1]

The U.S. Food and Drug Administration (FDA) granted the application for teprotumumab-trbw fast track designation, breakthrough therapy designation, priority review designation, and orphan drug designation.[1] The FDA granted the approval of Tepezza to Horizon Therapeutics Ireland DAC.[1]

References

  1. Jump up to:a b c d e f g h “FDA approves first treatment for thyroid eye disease”U.S. Food and Drug Administration (FDA) (Press release). 21 January 2020. Retrieved 21 January 2020.  This article incorporates text from this source, which is in the public domain.
  2. ^ https://clinicaltrials.gov/ct2/show/NCT01868997
  3. ^ http://adisinsight.springer.com/drugs/800015801
  4. ^ http://www.genmab.com/product-pipeline/products-in-development/teprotumumab
  5. ^ http://adisinsight.springer.com/drugs/800015801
  6. ^ http://www.genmab.com/product-pipeline/products-in-development/teprotumumab
  7. ^ Smith, TJ; Kahaly, GJ; Ezra, DG; Fleming, JC; Dailey, RA; Tang, RA; Harris, GJ; Antonelli, A; Salvi, M; Goldberg, RA; Gigantelli, JW; Couch, SM; Shriver, EM; Hayek, BR; Hink, EM; Woodward, RM; Gabriel, K; Magni, G; Douglas, RS (4 May 2017). “Teprotumumab for Thyroid-Associated Ophthalmopathy”The New England Journal of Medicine376 (18): 1748–1761. doi:10.1056/NEJMoa1614949PMC 5718164PMID 28467880.
  8. ^ “Horizon Pharma plc Announces Phase 3 Confirmatory Trial Evaluating Teprotumumab (OPTIC) for the Treatment of Active Thyroid Eye Disease (TED) Met Primary and All Secondary Endpoints”Horizon Pharma plc. Retrieved 22 March 2019.
  9. ^ “Horizon Therapeutics plc Submits Teprotumumab Biologics License Application (BLA) for the Treatment of Active Thyroid Eye Disease (TED)”Horizon Therapeutics plc. Retrieved 27 August 2019.

External links

Teprotumumab
Monoclonal antibody
Type Whole antibody
Source Human
Target IGF-1R
Clinical data
Other names teprotumumab-trbw, RG-1507
ATC code
  • none
Legal status
Legal status
Identifiers
CAS Number
DrugBank
ChemSpider
  • none
UNII
KEGG
ChEMBL
ECHA InfoCard 100.081.384 Edit this at Wikidata
Chemical and physical data
Formula C6476H10012N1748O2000S40
Molar mass 145.6 kg/mol g·mol−1

/////////Teprotumumab-trbw, APPROVALS 2020, FDA 2020, ORPHAN, BLA, fast track designation, breakthrough therapy designation, priority review designation, and orphan drug designation, Tepezza,  Horizon Therapeutics, MONOCLONAL ANTIBODY, 2020 APPROVALS,  active thyroid eye disease, Teprotumumab

https://www.fda.gov/news-events/press-announcements/fda-approves-first-treatment-thyroid-eye-disease


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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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