Jiangsu Hengrui Pharmaceuticals Co. Ltd. struck another $1 billion-plus deal, this time for a HER2-targeting antibody-drug conjugate (ADC), trastuzumab rezetecan (SHR-A1811), with Glenmark Pharmaceuticals Ltd.’s subsidiary Glenmark Specialty SA.

Amyotrophic lateral sclerosis (ALS), formerly known as Lou Gehrig’s disease, is a progressive and fatal neurodegenerative disorder with no known cure. While three therapies have gained U.S. FDA approvals to date, including Rilutek (riluzole), Radicava/Radicava ORS (edaravone) and tofersen (BIIB-067, the lack of a disease-modifying drug has spurred the continual search for novel therapies.

Celltrion Inc. announced plans to acquire from Eli Lilly and Co. a Branchburg, N.J.-based biologics cGMP facility for $330 million up front, with plans to invest up to a total of ₩1.4 trillion (US$1 billion) in plant acquisition and expansion.

While U.S. policymakers are scaling back funding on mRNA vaccine research, Australia is accelerating investment in the technology. At the center of this effort is Moderna Inc., which is establishing an mRNA research and manufacturing footprint in the country and banking on decades of local expertise to bring new therapies to the clinic and serve as a regional hub for Asia Pacific.

The first new U.S. FDA-approved therapeutic option for PTSD in more than 20 years will have to wait. A supplemental NDA seeking approval of Rexulti (brexpiprazole) combined with sertraline, filed by one of Japan’s biggest pharmas, Otsuka Pharmaceutical Co. Ltd., received a complete response letter (CRL) from the agency.

The unsettling impact that the Trump administration’s health care and tariff initiatives are having on M&A activity and financing is highlighted in a new survey of CEOs and investors, who say uncertainty related to the U.S. policy environment is the top challenge they face when it comes to executing deals.

Starpharma Holdings Ltd.’s stock shot up 73% on the news that it is outlicensing its dendrimer enhanced product drug delivery technology to Roche Holding AG subsidiary Genentech Inc. in a deal worth more than $569 million.

The U.S. FDA approved Merck & Co. Inc.’s Keytruda Qlex (pembrolizumab and berahyaluronidase alfa-pmph) injection on Sept. 19, making it the first and only subcutaneously (SC)-administered immune checkpoint inhibitor that can be administered in about a minute.

Genfleet Therapeutics (Shanghai) Inc. debuted on the Hong Kong Stock Exchange on its second attempt at an IPO, raising HK$1.819 billion (US$234 million). Genfleet’s shares (HKEX:2595) rose to HK$44.00 at the opening bell on Sept. 19 and closed at HK$42.10, about 106% higher than the listing price.

Beijing QL Biopharmaceutical Co. Ltd.’s once-monthly GLP-1 receptor agonist, zovaglutide (ZT-002), met its primary and secondary endpoints in a phase II obesity trial, and QL Biopharm will now advance the GLP-1 to a pivotal phase III study.