Antibody-drug conjugate (ADC)-focused Callio Therapeutics debuted on March 3 with the closing of a $187 million series A financing round based on cancer drug technology and assets in-licensed from Hummingbird Bioscience Pte Ltd.

Guangdong Fapon Biopharma Inc. has obtained IND clearance from the FDA for FP-008, its first-in-class immunocytokine for patients with solid tumors refractory to anti-PD-1 therapy.

The U.S. FDA approved 12 drugs in January, falling below the 2024 monthly average of 19. Only three new molecular entities received approval, trailing the yearly average of just over four per month.

The prospect of U.S. tariffs on pharmaceuticals became more than just speculation this week, with President Donald Trump saying those tariffs likely would begin at 25% and climb over the year. His comments came in response to a question at a Feb. 18 news conference that followed the signing of two unrelated executive orders. Asked about the planned rate for tariffs on semiconductors and pharmaceuticals, Trump responded that it would be 25% and higher and it would “go very substantially higher over [the] course of a year.”

China’s National Health Commission is designating a three-year period from 2025 to 2027 as the “years of pediatric and mental health services,” in line with a new pledge to achieve eight initiatives in the health care sector aimed at servicing underserved populations.

Several Asia biotechs this week – including Innocare Pharma Ltd., Akeso Pharmaceuticals Inc., Sanbio Co. Ltd. and Ascletis Pharma Inc. – unveiled the start of new late-stage clinical trials or interim findings from early stage studies.

Cosette Pharmaceuticals Inc. announced plans to acquire Adelaide, Australia-based Mayne Pharma Pty Ltd. for AU$672 million (US$430 million) to grow its women’s health and dermatology franchise in the U.S. Under terms, Cosette, of Bridgewater, N.J., will acquire 100% of Mayne’s shares at AU$7.40 per share in cash. The price represents a 37% premium to Mayne’s closing share price on Feb. 20. The deal is expected to close in the second quarter of 2025.

Radiance Biopharma Inc. bought its way into the ROR1 antibody-drug conjugate (ADC) space through a potential $1 billion-plus licensing deal, including a $15 million up-front payment, with CSPC Megalith Biopharmaceutical Co. Ltd. for rights to RB-164 (SYS-6005) in the U.S. and select countries.

Qyuns Therapeutics Co. Ltd.’s monoclonal antibody targeting IL-17A, QX-002N, met both primary and secondary endpoints in a phase III trial in ankylosing spondylitis.