Suzhou, China-headquartered Ascentage Pharma Group Corp. Ltd. has filed plans for a confidential IPO to the U.S. SEC for a potential dual listing on both the U.S. and Hong Kong stock exchanges. News of the U.S. IPO came just a few days after Ascentage drew a $75 million equity investment from Osaka, Japan-headquartered Takeda Pharmaceutical Co. Ltd. with the issuance of about 24.3 million shares at a purchase price of HK$24.09 (US$3.08) per share.

Top-line phase III data from G1 Therapeutics Inc.’s pivotal Preserve 2 study of Cosela (trilaciclib) in treating metastatic triple-negative breast cancer missed its primary endpoint of overall survival, submerging the stock on June 24.

The BioWorld Biopharmaceutical Index (BBI) saw an 8.15% increase at the close of May, outperforming the Dow Jones Industrial Average, which rose by 2.64%, and the Nasdaq Biotechnology Index, which was up by 0.7%. The BBI previously showed a strong performance in Q1, followed by a dip for all three indices in April, before all rebounded in May.

Ionctura SA closed a €80 million (US$86 million) series B round as it prepares to accelerate development of lead asset roginolisib in the treatment of uveal melanoma. That follows publication of phase Ib data showing roginolisib, an orally available allosteric modulator of the delta isoform of PI3K (phosphatidylinositol-4,5-bisphosphate kinase), is distinguished from other drugs in this class, in being well-tolerated over long periods, with patients having been treated for up to 38 months.

The annual Companies to Watch report, which was just released, looks closely at seven companies flying under the radar that are developing antibody-drug conjugates (ADCs) for treating cancer. Companies examined in the new report are Adcendo ApS, Araris Biotech AG, Go Therapeutics Inc., Heidelberg Pharma AG, Pheon Therapeutics Ltd., Tallac Therapeutics Inc. and Tubulis GmbH.

The adverse effects of PD-1 blockers on the CNS observed in cancer patients could occur through their effects on an enzyme that activates microglia. Pharmacological inhibition of the enzyme in mice reduced microglial activation and cognitive deficit without altering the antitumor capacity of the immunotherapy.

During the basic science morning track on the last day of this year’s Annual Congress of the European Hematology Association (EHA), the attention was focused on oncogenic transcription factors and complexes considered turning points within the acute myeloid leukemia (AML) arena.

Fledgling biotech Ternarx Pty Ltd. has emerged from stealth mode and is the first of its kind in Australia to develop targeted protein degrader technology to destroy disease-causing proteins that cannot be targeted by conventional drugs. The Melbourne-based company will initially develop targeted protein degraders against currently undrugged transcription factors in cancers with significant unmet need, starting with neuroblastoma and prostate cancer.

The deaths of two cancer patients treated with the small molecule azenosertib has prompted the U.S. FDA to place a partial clinical hold on a phase I study and two phase II studies from Zentalis Pharmaceuticals Inc. The deaths are presumed by Zentalis to be from sepsis. Both patients who died were in the phase II Denali study of platinum-resistant ovarian cancer.

Following a day of deals that collectively bring a potential $3.75 billion into three biopharma companies – namely Ascidian Therapeutics Inc., Belharra Therapeutics Inc. and Mabcare Therapeutics – researchers will be busy discovering new therapies for neurological and immunological diseases, and advancing globally a candidate for solid tumors.