Shortly after Amgen Inc. walked away from its partnership with Kyowa Kirin Co. Ltd., the Tokyo-based company said it is discontinuing all ongoing clinical trials for rocatinlimab due to safety concerns.

Pepgen Inc. is forging ahead with tests of PGN-EDODM1 in other territories after the U.S. FDA placed a partial hold on the Freedom2-DM1 phase II trial, a multiple ascending-dose, randomized, placebo-controlled experiment in myotonic dystrophy type 1 (DM1).

Can-Fite Biopharma Ltd.’s namodenoson met the safety endpoint in its phase IIa open-label study in advanced pancreatic ductal adenocarcinoma patients, a readout that left investors hopeful for survival data, expected to be disclosed later this year.

In a boon for licensee Bristol Myers Squibb Co., Systimmune Inc.’s next-generation cancer drug, izalontamab brengitecan (iza-bren), hit both progression-free survival and overall survival endpoints in a phase III trial of Chinese patients with advanced triple-negative breast cancer.

Oddsmakers wasted no time figuring the market chances after Merck & Co. Inc. rolled out data from the phase III Litespark-011 study testing its oral hypoxia-inducible factor-2 alpha (HIF-2α) inhibitor, Welireg (belzutifan), when used with tyrosine kinase inhibitor Lenvima (lenvatinib, Eisai Co.) in advanced renal cell carcinoma.

Quell Therapeutics Ltd. has delivered the first clinical data indicating its chimeric antigen receptor (CAR) T regulatory cell therapy, QEL-001, can enable liver transplant patients to be weaned off long-term immunosuppression.

Another phase III failure of Theravance Biopharma Inc.’s norepinephrine reuptake inhibitor ampreloxetine to treat symptomatic neurogenic orthostatic hypotension, this time in patients with the rare disease multiple system atrophy, means the end of the company’s R&D efforts. Cutting its workforce in half and terminating all development of ampreloxetine, its only pipeline product, the Dublin-based company’s shares (NASDAQ:TBPH) sank by 26%, or $4.99, to close March 3 at $13.96.

BioWorld tracked 144 clinical trial readouts across phases I through III in January 2026, down from 215 in December. January included 15 phase III trials reporting positive results and three that failed to meet key endpoints. By phase, the month’s updates consisted of 60 from phase I, 44 from phase II and 40 from phase III.

The busy Prader-Willi syndrome (PWS) space took another hit as did shares of Aardvark Therapeutics Inc. (NASDAQ:AARD), which closed March 2 at $5.47, down $7.02, or 56%, after the company disclosed a voluntary pause of the phase III Hunger Elimination or Reduction Objective (HERO) trial testing ARD-101 as a treatment for hyperphagia, or intense hunger, in patients with the disease.

Uniqure NV is the latest firm to get caught between the FDA’s shifting demands for “gold standard” science and regulatory flexibility for rare disease therapies. The company disclosed in its latest earnings report that U.S. regulators are calling for a sham-controlled study before they will consider approval of gene therapy AMT-130 in Huntington’s disease, a requirement that could set the program back by two to three years and raises potential ethical issues.