With phase III data in hand from the Emergent-3 study of Karxt (xanomeline plus trospium) in adults with schizophrenia, Karuna Therapeutics Inc. continues to target mid-2023 for an NDA submission to the U.S. FDA. The 256-subject trial met its primary endpoint, with Karxt turning up a statistically significant and clinically meaningful 8.4-point reduction in Positive and Negative Syndrome Scale total score compared to placebo at the fifth week.
Takeda Pharmaceutical Co. Ltd.’s oral allosteric tyrosine kinase 2 inhibitor TAK-279 (formerly NDI-034858) met primary and secondary endpoints in a phase IIb clinical trial in patients with moderate to severe plaque psoriasis, but analysts say it may be too little too late to make a big splash compared to competitors.
As it struggles to launch a recently approved drug, Acer Therapeutics Inc. hit pause in its ACER-801 (osanetant) program after top-line data in the phase IIa proof-of-concept study failed to hit statistical significance.
It is approved as a food additive. But it now appears that sucralose can dampen T-cell-mediated immune responses, suggesting it could be a means of treating T-cell-dependent autoimmune disorders. While stressing (repeatedly) that they were studying intakes well above normal, at high but achievable doses sucralose has an unexpected effect on T-cell responses and functions in autoimmune, infection and tumor models, researchers at The Francis Crick Institute, London, reported in Nature March 15, 2023.
Abbisko Therapeutics Co. Ltd.’s colony-stimulating factor 1 receptor (CSF-1R) inhibitor, pimicotinib (ABSK-021), is advancing from phase I trials to pivotal phase III trials in patients with tenosynovial giant cell tumors (TGCT) in the U.S. and China following clearance from both regulators.
Patients with Leber hereditary optic neuropathy who received bilateral injections of Gensight Biologics SA’s Lumevoq (lenadogene nolparvovec) are continuing to see statistically significant visual improvements three years into the phase III REFLECT trial, but the missed primary endpoint at 1.5 years, along with a series of manufacturing mishaps, have left the gene therapy’s approval prospects uncertain.
Optimism for the GoCAR-T program had perked somewhat after a mid-February update, but hopes were definitively dashed as Bellicum Pharmaceuticals Inc. made known March 15 its decision to quit the phase I/II study testing two prospects in heavily pretreated cancer. The Houston-based firm’s stock (NASDAQ:BLCM) closed at 43 cents, down 50%, as Wall Street reacted to news regarding the study, designed to test GoCAR-T cell prospects BPX-601 and BPX-603 when combined with the activating agent rimiducid, a lipid-permeable tacrolimus analogue.
Acesion Pharma ApS reported that its lead drug candidate AP-30663 hit the primary endpoint of a phase II trial in atrial fibrillation (AF). The study had an adaptive design, which allowed for the recruitment of up to 108 patients experiencing an active AF episode, but the study investigators saw sufficient efficacy after a blinded evaluation of just 63 patients to terminate at that point. The study, which began shortly before the COVD-19 pandemic, had been underway for three years at that stage.
Les Laboratoires Servier SAS is touting its phase III win with vorasidenib as the first major advance in decades for low-grade glioma, with the trial called Indigo scoring statistical significance on two measures against residual or recurrent isocitrate dehydrogenase-mutant disease. The Suresnes, France-based firm said Indigo met the primary endpoint of progression-free survival (PFS) and the key secondary endpoint of time to next intervention (TTNI). The results of the prespecified interim analysis proved not only statistically significant but also clinically meaningful in PFS and TTNI.
Astellas Pharma Inc.’s fezolinetant met all four co-primary endpoints in the pivotal phase III SKYLIGHT 1 study for the treatment of moderate to severe vasomotor symptoms (VMS) due to menopause. An oral, nonhormonal compound, fezolinetant targets the neurokinin 3 receptor to reduce the frequency and severity of moderate to severe VMS, or hot flashes, due to menopause.
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