Abtis Co. Ltd., Dong-A ST’s newly incorporated subsidiary since December 2023, is making headway with its leading Claudin18.2-targeting antibody-drug conjugate (ADC) candidate, AT-211, according to Abtis CEO Taedong Han. “About 80% of gastric cancers do not have HER2 overexpression, but 77% overexpressed Claudin18.2,” Han told Bio Korea 2024 audience members on May 9, stressing that AT-211 was found to be highly potent against cancer cells expressing Claudin18.2 in ADC cell viability studies.

Two years after signing a $1.6 billion partnership with Marengo Therapeutics Inc., Paris-based Ipsen SA is back at it again, this time teaming up for two additional assets that target “cold” tumors in a deal that could bring privately held Marengo $1.2 billion. “We do something really novel and innovative and I think it’s very important to continue to validate it,” Marengo CEO Zhen Su told BioWorld, adding that with the newest deal, “we see validation all around this … It’s a success on success.”

Washington-based Vanda Pharmaceuticals Inc. has faced a challenging few years involving a federal lawsuit against the U.S. FDA, patent infringement litigation, increasing generic competition and dwindling sales, as well as a complete response letter nixing plans to expand its melatonin receptor agonist Hetlioz (tasimelteon) into insomnia, yet it has recently received a higher, unsolicited acquisition offer of $466 million from a second company, Cycle Pharmaceuticals Ltd.

Arrivent Biopharma Inc. and Jiangsu Alphamab Biopharmaceuticals Co. Ltd. have signed a development deal that leverages Alphamab’s antibody-drug conjugate (ADC) research and discovery platform and could bring Alphamab up to $615.5 million.

China’s Medilink Therapeutics (Suzhou) Co. Ltd. and Germany’s Biontech SE signed another potential $1 billion-plus deal for novel antibody-drug conjugate (ADC) targets, building off the first ADC-based licensing deal from last year.

Miami-headquartered Summit Therapeutics Inc. expanded rights to Akeso Inc.’s non-small-cell lung cancer (NSCLC) drug, ivonescimab (SMT-112; AK-112), June 3 while raising $200 million to advance the therapy.

With its hands full developing QRL-101 and QRL-201, both in clinical trials for amyotrophic lateral sclerosis with plans to expand into other neurodegenerative diseases such as frontotemporal dementia, Quralis Corp. has decided to out-license its preclinical ALS and FTD drug, QRL-204.

Edwards Lifesciences Corp. is selling its critical care product group to Becton Dickison and Co. (BD) for $4.2 billion in cash, forgoing its previously announced plans to spin off the unit into a separate business. The transaction is expected to close before the end of the calendar year.