While phase II results of Coya Therapeutics Inc.’s low-dose IL-2 drug, COYA-301, showed promise in Alzheimer’s disease patients when dosed every four weeks, it was the more frequent dosing of every two weeks that led to exhausted regulatory T cells and no benefits, driving down the company’s stock by nearly 28%.

Semaglutide, the glucagon-like peptide 1 receptor agonist from Novo Nordisk A/S, which has seemingly improved every disease it’s been tested on, was a focus at Kidney Week 2024, where researchers presented data from multiple clinical studies in patients with kidney diseases.

Despite an outcome that TD Cowen analyst Tyler Van Buren called ”fantastic,” shares of Tyra Biosciences Inc. (NASDAQ:TYRA) closed Oct. 25 at $21.93, down $6.68, or 23%, as Wall Street digested new phase I/II data with FGFR3 inhibitor TYRA-300 in metastatic urothelial cancer from the Surf301 phase I/II study in progress.

For a company that was running out of money, a missed phase III endpoint for its only development product knelled a death blow for Marinus Pharmaceuticals Inc., tanking its stock by 82%. The Radnor, Pa.-based company will no longer develop oral ganaxolone for seizures associated with tuberous sclerosis complex, or for any other indication, as it reduces its workforce and explores strategic alternatives.