Three biopharmas debuted on Nasdaq Sept. 13, raising a combined $703 million for two Massachusetts-based companies focused on bifunctional antibodies for autoimmune diseases and cancer, and one Midwestern firm developing peptide therapies for endocrine and metabolic disorders.
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.
Researchers from Septerna Inc. presented the discovery and preclinical characterization of novel parathyroid hormone PTH1 receptor (PTH1R) agonists being developed as a new treatment option against hypoparathyroidism.
Astrazeneca plc is acquiring rare diseases specialist Amolyt Pharma SA in a $1.05 billion deal, taking ownership of eneboparatide (AZP-3601), which is in phase III development for the treatment of hypoparathyroidism. Of the total, $800 million will be paid up front, with the balance of $250 million contingent upon achievement of a regulatory milestone.
Aeterna Zentaris Inc. has offered an update on its development pipeline programs. Macimorelin acetate (AEZS-130), a ghrelin agonist approved and commercialized as a test for adult growth hormone deficiency, is in preclinical development for amyotrophic lateral sclerosis (ALS). The company has now successfully developed an alternative formulation suitable for use in ALS.
Septerna Inc. has closed a US$150 million series B financing and will use the funds to continue development of its portfolio of G protein-coupled receptor (GPCR)-targeted, oral small-molecule drug candidates, including advancement of its lead program targeting the parathyroid hormone 1 receptor (PTH1R) to clinical proof of mechanism.
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.
The bad news in March 2022 from Takeda Pharmaceutical Co. Ltd. regarding Natpara, its recombinant human parathyroid hormone for hypoparathyroidism (HPT), served to generate more interest in the already bubbling space, where a handful of players large and small own prospects at various clinical stages.
