Tuberculosis (TB) is a serious infectious disease caused by the bacterium Mycobacterium tuberculosis. While multidrug treatment regimens are the standard of care, the lengthy treatment schedule and the emergence of drug-resistant TB highlight the need for new therapeutic options to address these challenges. Inosine-5′-monophosphate dehydrogenase (GuaB) is vital for bacterial survival and propagation; therefore, GuaB inhibitors are considered potential compounds to add to first-line TB treatment.

Sangamo Therapeutics Inc.’s stock sank sharply on the last day of 2025 as Pfizer Inc. handed back the rights to their collaborative gene therapy hemophilia A program. While it was another big loss to Sangamo, which had seen two other major deals fall through in the past two years, the company still has two large collaborations in development.

Sangamo Therapeutics Inc.’s second large, worldwide licensing deal for its capsid technology in the past five months is with Astellas Pharma Inc. The California-based company is getting $20 million up front and the chance to bring in up to $1.3 billion in fees and milestone payments in an agreement spanning five potential disease targets for gene therapies to treat neurological diseases.

Sangamo Therapeutics Inc.’s second large, worldwide licensing deal for its capsid technology in the past five months is with Astellas Pharma Inc. The California-based company is getting $20 million up front and the chance to bring in up to $1.3 billion in fees and milestone payments in an agreement spanning five potential disease targets for gene therapies to treat neurological diseases.

During a busy day of dealmaking, Cour Pharmaceutical Development Co. Inc. entered a pact with Roche Holding AG’s Genentech unit to advance tolerogenic nanoparticle treatments for an autoimmune disease indication, garnering up to $940 million in up-front and milestone payments. Cour’s partnership with Genentech is its biggest to date, and the largest deal announced by a biopharma company on Dec. 3. A total of seven deals amounted to a combined single-day deal value of $3.67 billion.

Allovir Inc., which has struggled since late last December, will merge with privately held Kalaris Therapeutics Inc. to develop therapies for treating neovascular and exudative retinal diseases. Kalaris already has an anti-VEGF treatment in a phase I study with a data readout set for the third quarter of 2025. Once the deal closes, the combined company name will be Kalaris Therapeutics Inc. and shares will trade on Nasdaq as KLRS. The new company said it plans to drive development of TH-103 for treating neovascular age-related macular degeneration (nAMD), diabetic macular edema and retinal vein occlusion. The phase I study is for treatment of nAMD.

Genentech Inc. didn’t need to wait until Thanksgiving for the U.S. FDA to make up its mind. More than a month ahead of its PDUFA date, the agency approved the firm’s first-line breast cancer treatment, Itovebi (inavolisib), providing the oral therapy a place with other niched therapies from Astrazeneca plc and Novartis AG. Itovebi is to be combined with Pfizer Inc.’s palbociclib (Ibrance) and Faslodex (fulvestrant, Astrazeneca) for adults with endocrine-resistant, PIK3CA-mutated, hormone receptor (HR)-positive, HER2-negative, locally advanced or metastatic breast cancer.

Genentech’s newly approved multiple sclerosis (MS) injection takes about 10 minutes to administer, dramatically reducing the four to six hours required by its intravenous predecessor. The U.S. FDA approved the humanized monoclonal antibody Ocrevus Zunovo (ocrelizumab and hyaluronidase-ocsq) for relapsing MS and primary progressive MS on Sept. 13.