Although Aisa Pharma Inc’s cilnidipine (AISA-021) failed to meet the primary endpoint, multiple secondary endpoints showed statistically significant improvement in treating sclerosis-associated Raynaud's phenomenon, potentially positioning the drug for a phase III program in a disease with no approved oral therapies globally.
The failure of the Persevera study, sponsored by Roche Holding AG’s Genentech unit, disrupts advancement of giredestrant in combination with palbociclib (Ibrance, Pfizer Inc.) as a first-line treatment for ER-positive, HER2-negative, locally advanced or metastatic breast cancer. For competitor Olema Pharmaceuticals Inc., which has palazestrant for the same indication, missing the phase III Persevera primary endpoint of progression-free survival translated to a 25.8% stock slide (NASDAQ:OLMA) to a $16 close on March 9.
As soon as Dianthus Therapeutics Inc. disclosed its early “go” decision on claseprubart in chronic inflammatory demyelinating polyneuropathy (CIDP), Wall Street set about comparing the phase III monoclonal antibody (mAb) to other prospects in the space, with particular focus on Sanofi SA’s riliprubart (SAR-455088).