Following decisions in 2023 to back away from its lead neurological therapies and conserve cash, Eliem Therapeutics Inc. found a vote of investor confidence and a new direction through its acquisition of privately held Tenet Medicines Inc. and its anti-CD19 antibody for autoimmune disease.

With a $128 million series A financing, Diagonal Therapeutics Inc. launched to develop its lead program using agonist antibodies for treating, among other indications, the rare disease hereditary hemorrhagic telangiectasia. The antibodies are designed to activate a receptor complex in the TGF-β superfamily genetically impaired in patients with the bleeding disorder. Diagonal also is developing a treatment for the orphan disease pulmonary arterial hypertension.

Validating Fusion Pharmaceuticals Inc.’s radiopharmaceutical technology and manufacturing capabilities, Astrazeneca plc offered to buy the firm for $2 billion up front in cash, plus a contingent value right that could raise the total deal value by another $400 million.

The U.S. FDA has approved Beigene Co. Ltd.’s Tevimbra (tislelizumab-jsgr) as a monotherapy for treating adults with unresectable or metastatic esophageal squamous cell carcinoma following prior chemotherapy that did not include a PD-1 inhibitor. A humanized IgG4 anti-PD-1 monoclonal antibody, tislelizumab is designed to minimize binding to Fc-gamma receptors on macrophages, helping to aid the body’s immune cells to detect and fight tumors.

A first-quarter 2024 launch for Alzheimer’s drug donanemab appears to be off the table as Eli Lilly and Co. disclosed a last-minute decision by the U.S. FDA to convene an advisory committee to review data from the phase III Trailblazer-ALZ 2 trial.

Merus NV added Gilead Sciences Inc. to its collaboration roster, entering a deal potentially worth more than $1.5 billion. While its previous agreements have focused primarily on bispecific antibodies, the Gilead alliance takes aim at trispecifics, antibodies capable of binding three targets at once. In other news, shares of Biomx Inc. (NYSE:PHGE) jumped 194% March 6, ending the day at 68 cents, up 45 cents, on news that it was merging with fellow phage-focused company Adaptive Phage Therapeutics Inc. and raised $50 million in a concurrent private placement.

Apogee Therapeutics Inc.’s phase I home run put IL-13-targeting antibody APG-777 on an accelerated development path in atopic dermatitis, and the company touted its similarity to further-along IL-13 competitor lebrikizumab, from Eli Lilly and Co., as a likely indicator of further success.

Autoantibodies call to mind disease – autoimmune disease, to be exact. But the physiological roles of autoantibodies are, at the very least, more complex than this view accounts for. “The autoantibody reactome is extraordinary,” Aaron Ring told BioWorld. “Nearly everyone has autoantibodies, whether they know it or not.”

More than 30 years after entering the scene as a first-generation monoclonal antibody pioneer, Morphosys AG is to be acquired by Novartis AG for €2.7 billion (US$2.9 billion). The all-cash deal, announced after Nasdaq closed on Feb. 5, will see Novartis paying €68 per share, a premium of 94% to the average daily price in the month leading up to Jan. 25, when rumors of a takeover started swirling.

In the ultra-rare disease congenital hyperinsulinism, an overproduction of insulin leads to persistent hypoglycemia and can cause neurological complications due to high glucose needs of the brain. About half of children go on to develop seizures or intellectual problems, but current therapeutic options are limited and there are no approved drugs specifically for the condition.