PMV Pharmaceuticals Inc.’s rezatapopt yielded impressive overall response data in ovarian cancer, prompting the firm to aim for a potential accelerated approval filing in early 2027. The news caused the firm’s stock (NASDAQ:PMV) to jump in premarket trading, but shares ended the day at $1.27, down 20%, as investors signaled they are clearly holding out for further data confirming broader market potential for the p53-targeting small molecule.

“New explosions in biotechnology are allowing us to interrogate cancers at a very sophisticated level compared to before,” Dennis Slamon told audience members at the Global Bio Conference in Seoul, South Korea Sept. 3.

Argenica Therapeutics Ltd. saw its stock drop 56% following mixed results for its ARG-007 phase II Seancon trial in acute ischemic stroke patients undergoing endovascular revascularization, or thrombectomy.

Daiichi Sankyo Co. Ltd. and Merck & Co. Inc.’s antibody-drug conjugate (ADC) ifinatamab deruxtecan produced a confirmed 48.2% objective response rate in a phase II study of previously treated patients with extensive-stage small-cell lung cancer.

Detailed data are expected later, but partners Biontech SE and Duality Biologics Co. Ltd. are celebrating a phase III interim analysis readout demonstrating that HER2-targeting antibody-drug conjugate (ADC) trastuzumab pamirtecan hit the primary endpoint of progression-free survival in patients with HER2-positive unresectable or metastatic breast cancer who have previously received trastuzumab and a taxane-based chemotherapy.

Neurosciences specialist NRG Therapeutics Ltd. is poised to put its new class of small-molecule regulators of the mitochondrial permeability transition pore to the test after closing an oversubscribed £50 million (US$67 million) series B.

Medicxi Ventures’ asset-focused investment model has scored another hit, in a $450 million deal with Servier SA, for KER-0193, an oral small molecule that is ready for phase II development in the treatment of the inherited autism spectrum disorder, fragile X.

Daiichi Sankyo Co. Ltd. and Merck & Co. Inc.’s antibody-drug conjugate (ADC) ifinatamab deruxtecan produced a confirmed 48.2% objective response rate in a phase II study of previously treated patients with extensive-stage small-cell lung cancer.

Results from the global phase III Harmoni trial presented at the International Association for the Study of Lung Cancer 2025 World Conference on Lung Cancer (WCLC) showed a statistically significant increase in progression-free survival after treatment with ivonescimab plus chemotherapy compared to chemotherapy alone, but failed to show a statistically significant benefit in overall survival (OS).