Imunon Inc. soared by 179% on the heels of phase II Ovation 2 data showing that its IMNN-001 immunotherapy led to a 13-month increase in overall survival among women with ovarian cancer. Patients in the intent-to-treat population, receiving the drug plus standard-of-care neoadjuvant and adjuvant chemotherapy (N/ACT), achieved median overall survival (OS) at 46 months vs. 33 months with N/ACT alone. Increased activity was seen among patients treated with poly ADP-ribose polymerase inhibitors, with the median OS not yet reached after more than five years vs. 37 months in the control arm.
Investor hopes rose sharply for Merus NV’s phase III trials – data should roll out next year – with bispecific antibody petosemtamab after mid-stage results impressed Wall Street in head and neck squamous cell carcinoma. Shares of Utrecht, the Netherlands-based Merus (NASDAQ:MRUS) jumped, too, closing May 23 at $55.14, up $13.54, or 33%, on interim data as of the Feb. 27 cutoff date.
Annji Pharmaceutical Co. Ltd.’s rosolutamide (AJ-201, JM-17) achieved positive results in a phase I/II trial in adults with spinal and bulbar muscular atrophy, also known as Kennedy’s disease.
Anti-aging specialist Juvenescence Ltd. reached the first close of its series B-1 at $76 million and said it is on course to close the round at $150 million in the third quarter of 2025. “The reason for the first close and not waiting for the very end is just so we can start to move the pipeline forward,” said Richard Marshall, CEO. “We’ve got molecules in and waiting to go, so the sooner we can get going on those, the better,” he told BioWorld.
A drug that failed in a phase III trial in 2019 is being brought back to the clinic by Repronovo SA, a fertility and women’s health startup that has raised $65 million in a series A. The money will fund a phase II study of nolasiban in improving success rates in assisted reproductive technology, the same indication as the previous phase III failure.
The credibility gap in psychedelic drug development continues to narrow with positive top-line data from a Beckley Psytech Ltd. phase IIa study in depression. The results keep the treatment into a tight race with GH Research plc, which also has an inhalable drug in development.
The morning’s negative stock reaction to Tourmaline Bio Inc.’s phase II news with heart drug pacibekitug had some onlookers scratching their heads, even as analysts congratulated the company on results from the ongoing study – a good-news dataset to which the market gradually caught on as the day progressed.
Mirroring results reported in a phase IIb study, Apnimed Inc.’s first of two pivotal trials testing AD-109 as an oral therapy in obstructive sleep apnea hit primary and secondary endpoints. Should similar findings emerge from a second phase III trial, expected to read out in a couple of months, the privately held firm anticipates a U.S. NDA filing in early 2026.
Just two months after Inozyme Pharma Inc. cut its workforce by 25% and prioritized activities to focus on a BLA filing for INZ-701 for ENPP1 deficiency, interim phase III data from its Energy 3 trial showed consistent safety and immunogenicity and increased phosphate levels in patients treated with the rare disease enzyme replacement therapy.
Tilt Biotherapeutics Ltd. has raised $25.6 million in a series B round that will fund phase II development of the lead oncolytic virus in the treatment of platinum-resistant ovarian cancer.