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FDA grants accelerated approval to new treatment for advanced ovarian cancer , Rubraca(rucaparib)

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The U.S. Food and Drug Administration today granted accelerated approval to Rubraca (rucaparib) to treat women with a certain type of ovarian cancer. Rubraca is approved for women with advanced ovarian cancer who have been treated with two or more chemotherapies and whose tumors have a specific gene mutation (deleterious BRCA) as identified by an FDA-approved companion diagnostic test.

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For Immediate Release

December 19, 2016

The U.S. Food and Drug Administration today granted accelerated approval to Rubraca (rucaparib) to treat women with a certain type of ovarian cancer. Rubraca is approved for women with advanced ovarian cancer who have been treated with two or more chemotherapies and whose tumors have a specific gene mutation (deleterious BRCA) as identified by an FDA-approved companion diagnostic test.

“Today’s approval is another example of the trend we are seeing in developing targeted agents to treat cancers caused by specific mutations in a patient’s genes,” said Richard Pazdur, M.D., director of the Office of Hematology and Oncology Products in the FDA’s Center for Drug Evaluation and Research and acting director of the FDA’s Oncology Center of Excellence. “Women with these gene abnormalities who have tried at least two chemotherapy treatments for their ovarian cancer now have an additional treatment option.”

The National Cancer Institute estimates that 22,280 women will be diagnosed with ovarian cancer in 2016 and an estimated 14,240 will die of this disease. Approximately 15 to 20 percent of patients with ovarian cancer have a BRCA gene mutation.

BRCA genes are involved with repairing damaged DNA and normally work to prevent tumor development. However, mutations of these genes may lead to certain cancers, including ovarian cancers. Rubraca is a poly ADP-ribose polymerase (PARP) inhibitor that blocks an enzyme involved in repairing damaged DNA. By blocking this enzyme, DNA inside the cancerous cells with damaged BRCA genes may be less likely to be repaired, leading to cell death and possibly a slow-down or stoppage of tumor growth.

Today, the FDA also approved the FoundationFocus CDxBRCA companion diagnostic for use with Rubraca, which is the first next-generation-sequencing (NGS)-based companion diagnostic approved by the agency. The NGS test detects the presence of deleterious BRCA gene mutations in the tumor tissue of ovarian cancer patients. If one or more of the mutations are detected, the patient may be eligible for treatment with Rubraca.

The safety and efficacy of Rubraca were studied in two, single-arm clinical trials involving 106 participants with BRCA-mutated advanced ovarian cancer who had been treated with two or more chemotherapy regimens. BRCA gene mutations were confirmed in 96 percent of tested trial participants with available tumor tissue using the FoundationFocus CDxBRCA companion diagnostic. The trials measured the percentage of participants who experienced complete or partial shrinkage of their tumors (overall response rate). Fifty-four percent of the participants who received Rubraca in the trials experienced complete or partial shrinkage of their tumors lasting a median of 9.2 months.

Common side effects of Rubraca include nausea, fatigue, vomiting, low levels of red blood cells (anemia), abdominal pain, unusual taste sensation (dysgeusia), constipation, decreased appetite, diarrhea, low levels of blood platelets (thrombocytopenia) and trouble breathing (dyspnea).  Rubraca is associated with serious risks, such as bone marrow problems (myelodysplastic syndrome), a type of cancer of the blood called acute myeloid leukemia and fetal harm.

The agency approved Rubraca under its accelerated approval program, which allows approval of a drug to treat a serious or life-threatening disease or condition based on clinical data showing the drug has an effect on a surrogate (substitute) endpoint that is reasonably likely to predict clinical benefit. The sponsor is continuing to study this drug in patients with advanced ovarian cancer who have BRCA gene mutations and in patients with other types of ovarian cancer. The FDA also granted the Rubraca application breakthrough therapy designation and priority review status. Rubraca also received orphan drug designation, which provides incentives such as tax credits, user fee waivers and eligibility for exclusivity to assist and encourage the development of drugs intended to treat rare diseases.

Rubraca is marketed by Clovis Oncology, Inc. based in Boulder, Colorado. The FoundationFocus CDxBRCA companion diagnostic is marketed by Foundation Medicine, Inc. of Cambridge, Massachusetts.

////////////Rubraca, rucaparib, Clovis Oncology, Boulder, Colorado, fda 2016, cancer, ovarian

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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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