With a modest $7 million up front but an ultimate payout potentially topping $1 billion on the line, Modex Therapeutics Inc. will collaborate with Regeneron Pharmaceuticals Inc. to find and develop multispecific antibodies for treating multiple indications.

H. Lundbeck A/S and Contera Pharma A/S have entered into a strategic research collaboration designed to accelerate the discovery and development of innovative oligonucleotide-based medicines for serious neurological conditions with unmet needs.

Dianthus Therapeutics Inc. has joined the recent trend of companies licensing therapies in development from China. The company will pay as much as $1 billion to Nanjing Leads Biolabs Co. Ltd. for DNTH-212, a bifunctional BDCA2 and BAFF/APRIL inhibitor to treat autoimmune disorders. The payment comprises $30 million up front and some near-term milestones, plus an $8 million milestone for getting a phase I study underway. Leads Biolabs is in line to bring in another $962 million in milestones and royalties.

Nabla Bio Inc. has established a new multiyear research collaboration with Takeda Pharmaceutical Co. Ltd. to advance AI-driven design of protein therapeutics.

In its second deal with Novartis AG of the past 11 months, Monte Rosa Therapeutics Inc. is getting $120 million up front to collaborate on developing molecular glue degraders to treat immune-mediated diseases. The agreement could swell to $5.7 billion for Monte Rosa.

Enlaza Therapeutics Inc. will take charge of research through nominating candidates in its potentially $2 billion-plus deal with Vertex Pharmaceuticals Inc. For its efforts, Enlaza is getting $45 million in an up-front payment and equity investment, plus the opportunity to bring in more than $2 billion in research, development, regulatory and commercial milestones and tiered royalties on net sales.

Arrowhead Pharmaceuticals Inc. has announced a global licensing and collaboration agreement with Novartis AG for ARO-SNCA, Arrowhead’s preclinical stage siRNA therapy for the treatment of synucleinopathies such as Parkinson’s disease, and for additional targets.

Omass Therapeutics Ltd. has entered into an exclusive collaboration and license agreement with Genentech Inc., a member of the Roche Group, for the rights to develop and commercialize Omass’ preclinical oral small-molecule program for inflammatory bowel disease.

Jazz Pharmaceuticals plc and Saniona AB have entered into a global license agreement for Jazz to obtain exclusive worldwide rights to develop and commercialize SAN-2355 for epilepsy and other potential indications.