Core Insights - Kura Oncology's shares have increased by 15.5% over the past week, contrasting with a 0.1% decline in the industry [1] - The FDA has accepted Kura's new drug application (NDA) for ziftomenib, aimed at treating adult patients with relapsed or refractory acute myeloid leukemia (AML) with an NPM1 mutation [1][9] - A decision from the FDA regarding the NDA is anticipated on November 30, 2025, following a priority review [1] Company Developments - Ziftomenib is positioned to be the first menin inhibitor approved for treating R/R NPM1-mutant AML if the FDA grants approval [2] - The NDA submission was based on the phase II KOMET-001 study, which achieved its primary endpoint of complete remission and demonstrated statistically significant results [7] - Kura has entered into a partnership with Kyowa Kirin for the development and commercialization of ziftomenib, which triggered a $45 million milestone payment upon NDA submission [6][9] Clinical Pipeline - Ziftomenib is also being explored in combination with imatinib for advanced gastrointestinal stromal tumors after imatinib failure [10] - Kura is developing KO-2806, a next-generation farnesyl transferase inhibitor, for various solid tumors, and another FTI, tipifarnib, in combination with alpelisib for head and neck squamous cell carcinoma [11] - Data from these studies are expected to be presented later in 2025, which may further influence Kura's stock performance [12]

– NDA submitted in 1Q 2025 for ziftomenib for the treatment of adult patients with relapsed or refractory AML with an NPM1 mutation – – Data from Phase 1b/2 registration-directed trial of ziftomenib selected for oral presentation at ASCO Annual Meeting – – $45.0 million milestone payment earned for NDA submission under collaboration agreement with Kyowa Kirin – – First patients dosed in Phase 1 trial of ziftomenib plus imatinib in GIST – – $703.2 million in pro forma cash, together with anticipated collabor ...

Core Insights - Kura Oncology has initiated the KOMET-015 Phase 1 clinical trial to evaluate ziftomenib in combination with imatinib for patients with advanced gastrointestinal stromal tumors (GIST) after imatinib failure [1][3] - The combination of ziftomenib and imatinib has shown robust and durable antitumor activity in both imatinib-sensitive and imatinib-resistant GIST preclinical models [1][2] Company Overview - Kura Oncology is a clinical-stage biopharmaceutical company focused on precision medicines for cancer treatment, with ziftomenib being a key investigational menin inhibitor [8] - The company has received Breakthrough Therapy Designation from the FDA for ziftomenib in treating relapsed/refractory NPM1-mutant acute myeloid leukemia (AML) [7][8] Clinical Trial Details - The KOMET-015 trial is designed to assess the safety, tolerability, and preliminary antitumor activity of ziftomenib combined with imatinib in adults with GIST who have shown disease progression on imatinib [3][4] - The trial will evaluate primary objectives including safety and tolerability, and secondary endpoints such as overall response rate (ORR) and progression-free survival (PFS) [3] Market Context - Approximately 4,000 to 6,000 new cases of GIST are diagnosed annually in the U.S., with limited treatment options available for advanced cases [2][5] - Most patients develop resistance to imatinib within two years, highlighting the need for new therapeutic options [2][6] Preclinical Findings - Preclinical studies indicate that the combination of ziftomenib and imatinib exerts antitumor activity through a synthetic lethal mechanism, targeting vulnerabilities in GIST tumors [2][3] - The combination has the potential to delay or overcome resistance to imatinib in patients [2]