Travere Therapeutics
NEWS
After greenlighting 56 novel therapeutics in 2025, four notable applications continue to await the agency’s action after being delayed from the fourth quarter last year.
With the regulator’s traditional green light in IgA nephropathy, Filspari is up against Novartis’ Fabhalta—which won accelerated approval last month—and Calliditas’ Tarpeyo, which was approved in December 2023.
The FDA has three regulatory milestones in the next two weeks, including a decision on a subcutaneous formulation of an effective multiple sclerosis therapy.
With its first-in-class endothelin and angiotensin II receptor antagonist Filspari, Travere Therapeutics is providing a more efficacious treatment option for the rare autoimmune disease.
Following two late-stage failures, Travere Therapeutics has unveiled the results of two Phase III studies, attempting to regain Filspari’s footing in IgA nephropathy and focal segmental glomerulosclerosis.
ARS Pharmaceuticals, Intarcia Therapeutics and Taysha Gene Therapies this week got stark reminders of the difficulties in getting treatments through the regulator’s approval process.
The company’s treatment for IgA nephropathy, sparsentan, failed to meet statistical significance by a measure of kidney function in a head-to-head confirmatory study versus irbesartan.
Despite the Phase III failure, Travere and partner CSL Vifor will explore potential regulatory paths for sparsentan as a treatment for focal segmental glomerulosclerosis.
The FDA granted accelerated approval Friday to Travere Therapeutics’ sparsentan, now to be marketed as Filspari, to reduce the burden of proteinuria in adults with primary IgA nephropathy.
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