Alteogen Inc. completed a merger between two subsidiaries – Altos Biologics Inc. and Alteogen Healthcare Inc. – branding the new entity as Alteogen Biologics Inc.

News from Tectonic Therapeutic Inc. in January took away some of Wall Street’s jitters about the relaxin pathway brought about by Eli Lilly and Co.’s recent moves, but another big pharma player – Astrazeneca plc – is still providing suspense in pulmonary hypertension in heart failure with preserved ejection fraction.

Samsung Biologics Co. Ltd. plans to establish a new holding company and to spin off its biosimilar division, Samsung Bioepis Co. Ltd., by October. The corporate restructuring will draw clear lines between Samsung Biologics’ CDMO operations and Samsung Bioepis’ biosimilar business.

Infectious disease stocks stumbled in the early months of 2025, with the BioWorld Infectious Disease Index (BIDI) plunging 17.83% by the end of April, well behind the broader markets. By comparison, the Nasdaq Biotechnology Index slipped just 1.16%, and the Dow Jones Industrial Average declined 4.41%. In 2024, the BIDI ended the year down 6.28%, after hitting a low of -25.12% in late April.

The U.S. FDA approved 20 drugs for market in April, slightly down from 22 in March, 16 in February and 12 in January. This brings the total number of FDA approvals for the first four months of 2025 to 70, a decrease from 77 in the same period last year but higher than the 50 drugs approved during the first four months of 2023 and 48 in 2022. Despite the decrease from last year, the 2025 total remains the second-highest in BioWorld’s records for this time frame.