After a second round, the U.S. FDA has accepted for review radiopharmaceutical company Telix Pharmaceuticals Ltd.’s BLA for its kidney cancer PET imaging agent, TLX250-CDx (Zircaix, 89Zr-DFO-girentuximab), granting it a priority review with a PDUFA date of Aug. 27, 2025.

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.

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.

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.

After withdrawing plans for an IPO last year, Orum Therapeutics Inc. made its debut on the Korea Exchange in 2025 with a ₩50 billion (US$34.7 million) raise as South Korea’s first biopharma IPO of the year.

Biomissile Pharmaceuticals Co. Ltd. is developing multispecific antibodies that overcome resistance associated with antibody-drug conjugates via its next-generation natural killer (NK) cell engagers. “ADCs are very efficacious, but they do have a drawback with side effects and resistance, because ultimately ADCs are similar to chemotherapy because you bring toxins to the tumor site,” Biomissile co-founder and CEO Chao Tu told BioWorld.

Dealmaking in the Asia Pacific (APAC) region took off this week, with the latest showcasing Genome & Co.’s licensing deal with Ellipses Pharma Ltd. for GENA-104, a phase I-ready immuno-oncology asset, under undisclosed terms Feb. 11.

Radiopharm Theranostics Ltd.’s radiotracer RAD-101 (F18-Pivalate) successfully detected brain metastases in a variety of primary solid tumors in a phase II study.

Researchers from Zhengzhou University and affiliated organizations published data from a study that aimed to assess the expression levels of histone modifier enzymes in esophageal squamous cell carcinoma (ESCC).