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FDA approves first treatment Bavencio (avelumab)for rare form of skin cancer

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03/23/2017
The U.S. Food and Drug Administration today granted accelerated approval to Bavencio (avelumab) for the treatment of adults and pediatric patients 12 years and older with metastatic Merkel cell carcinoma (MCC), including those who have not received prior chemotherapy. This is the first FDA-approved treatment for metastatic MCC, a rare, aggressive form of skin cancer.

March 23, 2017

Release

The U.S. Food and Drug Administration today granted accelerated approval to Bavencio (avelumab) for the treatment of adults and pediatric patients 12 years and older with metastatic Merkel cell carcinoma (MCC), including those who have not received prior chemotherapy. This is the first FDA-approved treatment for metastatic MCC, a rare, aggressive form of skin cancer.

“While skin cancer is one of the most common cancers, patients with a rare form called Merkel cell cancer have not had an approved treatment option until now,” said Richard Pazdur, M.D., acting director of the Office of Hematology and Oncology Products in the FDA’s Center for Drug Evaluation and Research and director of the FDA’s Oncology Center of Excellence. “The scientific community continues to make advances targeting the body’s immune system mechanisms for the treatment of various types of cancer. These advancements are leading to new therapies—even in rare forms of cancer where treatment options are limited or non-existent.”

According to the National Cancer Institute, approximately 1,600 people in the United States are diagnosed with MCC every year. While the majority of patients present with localized tumors that can be treated with surgical resection, approximately half of all patients will experience recurrence, and more than 30 percent will eventually develop metastatic disease. In patients with metastatic MCC, the cancer has spread beyond the skin into other parts of the body.

Bavencio targets the PD-1/PD-L1 pathway (proteins found on the body’s immune cells and some cancer cells). By blocking these interactions, Bavencio may help the body’s immune system attack cancer cells.

Bavencio received an Accelerated Approval, which enables the FDA to approve drugs for serious conditions to fill an unmet medical need using clinical trial data that is thought to predict a clinical benefit to patients. Further clinical trials are required to confirm Bavencio’s clinical benefit and the sponsor is currently conducting these studies.

Today’s approval of Bavencio was based on data from a single-arm trial of 88 patients with metastatic MCC who had been previously treated with at least one prior chemotherapy regimen. The trial measured the percentage of patients who experienced complete or partial shrinkage of their tumors (overall response rate) and, for patients with a response, the length of time the tumor was controlled (duration of response). Of the 88 patients who received Bavencio in the trial, 33 percent experienced complete or partial shrinkage of their tumors. The response lasted for more than six months in 86 percent of responding patients and more than 12 months in 45 percent of responding patients.

Common side effects of Bavencio include fatigue, musculoskeletal pain, diarrhea, nausea, infusion-related reactions, rash, decreased appetite and swelling of the limbs (peripheral edema). The most common serious risks of Bavencio are immune-mediated, where the body’s immune system attacks healthy cells or organs, such as the lungs (pneumonitis), liver (hepatitis), colon (colitis), hormone-producing glands (endocrinopathies) and kidneys (nephritis). In addition, there is a risk of serious infusion-related reactions. Patients who experience severe or life-threatening infusion-related reactions should stop using Bavencio. Women who are pregnant or breastfeeding should not take Bavencio because it may cause harm to a developing fetus or a newborn baby.

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

The FDA granted accelerated approval of Bavencio to EMD Serono Inc.

Image result for avelumab

Image result for avelumab

Avelumab
Monoclonal antibody
Type ?
Source Human
Legal status
Legal status
  • Investigational
Identifiers
CAS Number
ChemSpider
  • none
UNII
KEGG

Avelumab (MSB0010718C) is a fully human monoclonal PD-L1 antibody of isotype IgG1, currently in development by Merck KGaA, Darmstadt, Germany & Pfizer for use in immunotherapy, especially for treatment of Non-small-cell lung carcinoma (NSCLC) .[1]

Mechanism of action

Avelumab binds to the PD ligand 1 and therefore inhibits binding to its receptor programmed cell death 1 (PD-1). Formation of a PD-1/PD-L1 receptor/ligand complex leads to inhibition of CD8+ T cells, and therefore inhibition of an immune reaction. Immunotherapy aims at ceasing this immune blockage by blocking those receptor ligand pairs. In the case of avelumab, the formation of PD-1/PDL1 ligand pairs is blocked and CD8+ T cell immune response should be increased. PD-1 itself has also been a target for immunotherapy.[2] Therefore, avelumab belongs to the group of Immune checkpoint blockade cancer therapies.

Clinical trials

As of May 2015, according to Merck KGaA, Darmstadt, Germany & Pfizer, avelumab has been in Phase I clinical trials for bladder cancer, gastric cancer, head and neck cancer, mesothelioma, NSCLC, ovarian cancer and renal cancer. For Merkel-cell carcinoma, Phase II has been reached and for NSCLC there is also a study already in Phase III.[1]

Merkel-cell carcinoma

On March 23, 2017, the U.S. Food and Drug Administration granted accelerated approval to avelumab (BAVENCIO, EMD Serono, Inc.) for the treatment of adults and pediatric patients 12 years and older with metastatic Merkel cell carcinoma (MCC).

Approval was based on data from an open-label, single-arm, multi-center clinical trial (JAVELIN Merkel 200 trial) demonstrating a clinically meaningful and durable overall response rate (ORR). All patients had histologically confirmed metastatic MCC with disease progression on or after chemotherapy administered for metastatic disease.

ORR was assessed by an independent review committee according to Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. The ORR was 33% (95% confidence interval [CI]: 23.3, 43.8), with 11% complete and 22% partial response rates. Among the 29 responding patients, the response duration ranged from 2.8 to 23.3+ months with 86% of responses durable for 6 months or longer. Responses were observed in patients regardless of PD-L1 tumor expression or presence of Merkel cell polyomavirus.

Safety data were evaluated in 1738 patients who received avelumab, 10 mg/kg, every 2 weeks. The most common serious adverse reactions to avelumab are immune-mediated adverse reactions (pneumonitis, hepatitis, colitis, adrenal insufficiency, hypo- and hyperthyroidism, diabetes mellitus, and nephritis) and life-threatening infusion reactions. Among the 88 patients enrolled in the JAVELIN Merkel 200 trial, the most common adverse reactions were fatigue, musculoskeletal pain, diarrhea, nausea, infusion-related reaction, rash, decreased appetite, and peripheral edema. Serious adverse reactions that occurred in more than one patient in the trial were acute kidney injury, anemia, abdominal pain, ileus, asthenia, and cellulitis.

The recommended dose and schedule of avelumab is 10 mg/kg as an intravenous infusion over 60 minutes every 2 weeks. All patients should receive premedication with an antihistamine and acetaminophen prior to the first four infusions of avelumab.

Full prescribing information for avelumab is available at: http://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761049s000lbl.pdf

References

  1. ^ Jump up to:a b Merck-Pfizer Alliance. “Merck-Pfizer Alliance Avelumab Fact Sheet” (PDF). Retrieved 2 December 2015.
  2. Jump up^ Hamid, O; Robert, C; Daud, A; Hodi, F. S.; Hwu, W. J.; Kefford, R; Wolchok, J. D.; Hersey, P; Joseph, R. W.; Weber, J. S.; Dronca, R; Gangadhar, T. C.; Patnaik, A; Zarour, H; Joshua, A. M.; Gergich, K; Elassaiss-Schaap, J; Algazi, A; Mateus, C; Boasberg, P; Tumeh, P. C.; Chmielowski, B; Ebbinghaus, S. W.; Li, X. N.; Kang, S. P.; Ribas, A (2013). “Safety and tumor responses with lambrolizumab (anti-PD-1) in melanoma”. New England Journal of Medicine. 369 (2): 134–44. doi:10.1056/NEJMoa1305133. PMC 4126516Freely accessible. PMID 23724846.

//////////fda 2017, Bavencio, avelumab, EMD Serono Inc., Priority Review,  Breakthrough Therapy designation.  Orphan Drug designation, skin cancer

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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 29 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 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 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 29 year tenure till date Aug 2016, Around 30 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, 25 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 13 lakh plus views on New Drug Approvals Blog in 212 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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