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BioWorld - Tuesday, March 31, 2026
Home » Newsletters » BioWorld

BioWorld

Sep. 22, 2025

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Pfizer headquarters

Pfizer bets big in obesity with $7.3B Metsera takeover

Pfizer Inc. bounced back in a big way from a GLP-1 trip-up this spring by making known its plan to take over what Metsera Inc. CEO Whit Bernard has called the “scale-obsessed” obesity player that he steers. Pfizer has agreed to pay $47.50 each for all of Metsera’s outstanding shares. Read More

MBX Biosciences' stock doubles on phase II canvuparatide data

MBX Biosciences Inc. posted positive top-line phase II study data in treating chronic hypoparathyroidism, positioning itself to take on a U.S. FDA-approved therapy for the rare endocrine disease. MBX’s Avail study of canvuparatide hit its primary endpoint in treating adults, demonstrating statistical significance at week 12 and positive six-month results from the open-label extension study. MBX said it is poised to begin a phase III study of once-weekly canvuparatide next year. Read More
Keytruda Qlex

US FDA clears ‘one-minute’ Keytruda SC injection for solid tumors

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. Read More

Ionis hits goals with zilganersen in first Alexander disease trial

As the first – and so far only – drug to enter clinical testing for the rare neurogenetic disorder Alexander disease, there were some unknowns heading into the readout of the pivotal study testing Ionis Pharmaceuticals Inc.’s zilganersen in children and adults. But the top-line data yielded a clear win for the antisense oligonucleotide candidate, which demonstrated a disease-modifying impact, including statistical significance on the primary endpoint of gait speed as assessed by the 10-Meter Walk Test vs. control at week 61. Read More
Stock chart, upward arrow

Genentech $569M deal lifts Starpharma stock 73%

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. Read More

Stealth wins US FDA approval of first Barth syndrome drug

After a long regulatory road that included a complete response letter in May, Stealth Biotherapeutics Inc. finally got its Barth syndrome drug across the finish line, with the U.S. FDA granting accelerated approval to Forzinity (elamipretide HCl) to improve muscle strength in those with the ultra-rare pediatric mitochondrial cardioskeletal disease. Read More
Psychedelic drug- brain illustration

UK college offers guidance, clarity for psychedelic research

The Royal College of Psychiatrists in the U.K. has published its first-ever guidance to support research into psychedelic drugs as therapies for conditions including treatment-resistant depression, substance abuse disorders and posttraumatic stress disorder, saying that in a fast-moving field there is a risk of jumping ahead of the evidence. Read More

ICYMI: Week in review, Sept. 15-19, 2025

A quick look back at top stories. Read More

Biggest gainers and losers for Sept. 15-19, 2025

The top 10 biopharma stock gainers and losers for the week. Read More

Appointments and advancements for Sept. 22, 2025

New hires and promotions in the biopharma industry, including: Achieve, Formation. Read More

Financings for Sept. 22, 2025

Biopharmas raising money in public or private financings, including: Clearmind, Enveric, Faron, Jasper, Reviva. Read More

In the clinic for Sept. 22, 2025

Clinical updates, including data readouts and publications: Astrazeneca, Evommune, Iaso, Johnson & Johnson, Skye. Read More

Other news to note for Sept. 22, 2025

Biopharma happenings, including deals and partnerships, and other news in brief: Alera, Axcelead, Carisma, Orthocellix, Syndax, Xforest. Read More

Regulatory actions for Sept. 22, 2025

Regulatory snapshots, including global drug submissions and approvals, and other regulatory decisions and designations: Alvotech, Ars, Celltrion, Esperion, Fuji, Henlius, Idorsia, Incyte, Innovent, Ionis, Ipsen, Johnson & Johnson, Kalvista, Merck, NS, Nuvation Bio, Polyrizon, Organon, Otsuka, Roche, Torii, Verrica. Read More

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