Sarepta Therapeutics Inc. is declining a U.S. FDA request to voluntarily halt shipping its gene therapy, Elevidys (delandistrogene moxeparvovec), in the U.S. On July 18, Sarepta said had it received “an informal request” from the FDA to stop the shipments following a third patient’s death, tied to the gene therapy SRP-9004, which uses the same vector as Elevidys.
The U.S. FDA on July 15 cleared Biocon Biologics Ltd.’s Kirsty (insulin aspart-xjhz) as the first and only interchangeable biosimilar product referencing Novo Nordisk A/S’ Novolog (insulin aspart), a rapid-acting diabetes medication.
Sarepta Therapeutics Inc. made known a third gene therapy death, this time with SRP-9004 for limb-girdle muscular dystrophy. The patient was a late-stage, non-ambulatory 51-year-old man participating in the phase I Discovery trial, who expired about a month ago of acute liver failure, as did the two previous subjects who passed away after they were treated with Elevidys (delandistrogene moxeparvovec), Cambridge, Mass.-based Sarepta’s gene product for Duchenne muscular dystrophy.
In a 10-1 vote, the U.S. FDA’s Psychopharmacologic Drugs Advisory Committee said Otsuka Pharmaceutical Co. Ltd.’s studies of its combination post-traumatic stress disorder (PTSD) treatment did not show enough efficacy. Had the adcom felt otherwise, the path may have been smoother for a new treatment in an indication that hasn’t seen regulatory advancement in decades. The committee’s conclusion, however, is not binding on the FDA, which will make its own decision whether to approve.
Expanding on guidance issued a dozen years ago, the U.S. FDA released a draft guidance to help sponsors developing cancer drugs for use in novel combinations determine the contribution of the individual drugs’ effect.
Carving out $400 million in annual cost savings is going over well with Sarepta Therapeutics Inc.’s investors, as the company’s stock got a 19.6% boost on July 17. Its big seller, the gene therapy Elevidys (delandistrogene moxeparvovec), continued its revenue numbers decline, so Sarepta chopped operating expenses by letting about 500 employees go in a 36% cutback and pared its development path.
The rough ride presaged by briefing documents came to pass for GSK plc with the drug first approved by the U.S. FDA as Blenrep (belantamab mafodotin, bel-maf), as the agency’s Oncologic Drugs Advisory Committee (ODAC) appraised the possibility that the antibody-drug conjugate could return to market for relapsed/refractory multiple myeloma (r/r MM).
The U.S. FDA is insisting that another study is needed to bolster the sNDA for Rexulti (brexpiprazole) from Otsuka Pharmaceutical Co. Ltd. in treating adults with post-traumatic stress disorder (PTSD). The agency’s Psychopharmacologic Drugs Advisory Committee and the company, one of Japan’s biggest pharmas, will discuss this during July 18’s adcom hearing regarding the efficacy of Rexulti in combination with sertraline.
As the July 23 PDUFA date nears for GSK plc’s Blenrep (belantamab mafodotin), the U.S. FDA’s Oncologic Drugs Advisory Committee will decide July 17 on whether available data justify the return to market of the antibody-drug conjugate as a therapy for relapsed/refractory multiple myeloma, and briefing documents made public ahead of the meeting laid out the issues.
Manufacturing issues are the latest problem for Ultragenyx Pharmaceutical Inc. to solve after last week’s disappointment in a phase III study to treat brittle bones. The U.S. FDA gave the company a complete response letter (CRL) regarding the BLA for its gene therapy to treat Sanfilippo syndrome type A, saying it needs more details and improvements made about CMC after having finished manufacturing facility inspections.
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