Drug approvals by the U.S. FDA totaled 26 in the first two months of 2026, with eight approvals in January and 18 in February. Compared with 2025, when approvals reached 12 in January and 16 in February (28 total), early 2026 activity is consistent with historical ranges.
Ascendis Pharma A/S’ Yuviwel (navepegritide) gained U.S. FDA accelerated approval Feb. 27 for children 2 and older with the rare genetic bone growth disorder achondroplasia, also known as dwarfism, winning the company a rare pediatric disease priority review voucher
MBX Biosciences Inc. posted positive top-line phase II study data in treating chronic hypoparathyroidism, positioning itself to take on a U.S. FDA-approved therapy for the rare endocrine disease. MBX’s Avail study of canvuparatide hit its primary endpoint in treating adults, demonstrating statistical significance at week 12 and positive six-month results from the open-label extension study. MBX said it is poised to begin a phase III study of once-weekly canvuparatide next year.
Septerna Inc.’s stock plunged as much as 68% throughout the day Feb. 18 on news that the company was stopping a phase I trial of SEP-786 in healthy volunteers following two severe events of elevated unconjugated bilirubin in the highest dose cohort of the multiple ascending-dose portion of the study.
The approval of Ascendis Pharma A/S’ hormone replacement therapy Yorvipath (palopegteriparatide) hypoparathyroidism – the first and only treatment for adults with the rare endocrine disease – did little to sate the market’s appetite for new drugs in the indication, where a number of players are busy in various stages of development.
Predictably, weekly vs. daily subcutaneous injections made a big difference in the achondroplasia space, where shares of Copenhagen, Denmark-based Ascendis Pharma A/S (NASDAQ:ASND) closed Sept. 16 at $139.57, up $20.35, or 17%, on favorable, pivotal top-line data with Transcon CNP (navepegritide), as competitor Biomarin Pharmaceutical Inc.’s stock (NASDAQ:BMRN) ended the day at $69.86, down $15.04, or 17.7%.
Visen Pharmaceuticals Co. Ltd.’s palopegteriparatide met both primary and secondary endpoints in the phase III Pathway trial conducted in China in adults with chronic hypoparathyroidism, according to top-line data. In the 26-week randomized, double-blind, placebo-controlled Pathway trial, 77.6% of patients treated with palopegteriparatide achieved the primary multicomponent endpoint compared to 0% for placebo.
After many months of jockeying, the U.S. FDA has approved Ascendis Pharma A/S’ hormone replacement therapy Yorvipath (palopegteriparatide) for treating hypoparathyroidism. Ascendis said this is the first and only treatment for adults with the rare endocrine disease.
It’s not often that getting an NDA rejected by the U.S. FDA is cause for a company’s stock to rise. But in the case of Ascendis Pharma A/S, the agency’s anticipated complete response letter (CRL) for Transcon PTH (palopegteriparatide) offered some much-needed clarity and a potentially optimistic time frame for an NDA resubmission seeking approval of the once-daily hormone replacement therapy for hypoparathyroidism, news that sent the company’s shares (NASDAQ:ASND) up 24%, or $16.78, to close May 1 at $86.74.
A frustrating lack of detail left analysts with little to do but speculate on the odds for a 2023 U.S. FDA approval of Ascendis Pharma A/S’s Transcon PTH (palopegteriparatide), a parathyroid hormone prodrug for hypoparathyroidism, after the company disclosed a letter from the agency citing unspecified deficiencies that preclude further discussions about labeling and postmarketing requirements.
