On July 12, 2024 Verastem Oncology (Nasdaq: VSTM), a biopharmaceutical company committed to advancing new medicines for patients with cancer, reported that the first patient has been dosed in a Phase 1/2 trial in China, conducted by GenFleet Therapeutics, evaluating GFH375/VS-7375, a KRAS G12D (ON/OFF) inhibitor (Press release, Verastem, JUL 12, 2024, View Source [SID1234644806]).
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GFH375/VS-7375, was selected as Verastem’s lead discovery program from its collaboration with GenFleet established in 2023. GFH375/VS-7375 is an oral, potent and selective KRAS G12D dual inhibitor of ON (GTP) and OFF (GDP) states. Preclinical data presented at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting in April 2024 demonstrated oral bioavailability across preclinical species, strong anti-tumor activity as a single agent and potency against intracranial tumor models suggesting the potential to treat brain metastases.
"In a short amount of time, we identified GFH375/VS-7375, a novel KRAS G12D (ON/OFF) inhibitor, as our lead discovery program last year and now the first patient has been dosed in the Phase 1/2 study by GenFleet in China," said Dan Paterson, president and chief executive officer of Verastem Oncology. "We look forward to leveraging the initial clinical dose escalation data to accelerate our development path in the U.S., as there are currently no FDA-approved KRAS G12D-targeted treatments despite the high prevalence of this KRAS mutation in various cancers, including pancreatic, colorectal, lung and uterine."
The Phase 1 study is being conducted in approximately 20 hospitals currently in China and will evaluate the safety and efficacy of GFH375/VS-7375 in patients with advanced KRAS G12D mutant solid tumors. The Phase 1 study will determine the recommended Phase 2 dose (RP2D) and then further evaluate in Phase 2 the efficacy and safety of GFH375/VS-7375 in patients with advanced solid tumors, such as pancreatic ductal adenocarcinoma, colorectal cancer and non-small cell lung cancer.
About GFH375/VS-7375
GFH375/VS-7375 is a potential best-in-class, potent and selective oral KRAS G12D (ON/OFF) inhibitor, identified as the lead discovery program from the Verastem Oncology discovery and development collaboration with GenFleet Therapeutics. GenFleet’s IND for GFH375/VS-7375 was approved in China in June 2024 and the Phase 1/2 trial in KRAS G12D-mutant solid tumors was subsequently initiated and the first patient has been dosed in July 2024. The collaboration includes three discovery programs, the first being the KRAS G12D inhibitor, and provides Verastem Oncology with exclusive options to license three compounds selected for collaboration after successful completion of pre-determined milestones in Phase 1 trials. The licenses would give Verastem Oncology development and commercialization rights outside of the GenFleet territories of mainland China, Hong Kong, Macau, and Taiwan.