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Puma Biotechnology Announces Initiation of ALISCA™-Breast1 Phase II Trial of Alisertib in Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer
LOS ANGELES--(BUSINESS WIRE)-- Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced the initiation of its ALISertib in CAncer
About this update from Puma Biotechnology Inc
[{"type":"text","content":" LOS ANGELES--(BUSINESS WIRE)--\nPuma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced the initiation of its ALISertib in CAncer (ALISCA™-Breast1) Phase II trial (PUMA-ALI-1201; NCT06369285) of alisertib in combination with endocrine therapy for the treatment of patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-negative) recurrent or metastatic breast cancer who have been previously treated with CDK 4/6 inhibitors and received at least two prior lines of endocrine therapy in the recurrent or metastatic setting. The ALISCA™-Breast1 trial will enroll up to 150 patients who will be randomized (1:1:1) to receive alisertib dosed at either 30 mg, 40 mg or 50 mg twice daily on days 1-3, 8-10 and 15-17 in a 28-day cycle in combination with the endocrine therapy of the investigator’s choice. Patients must provide blood and tissue specimens so that biomarkers can be analyzed.\n\n\nThe primary objective of the trial is to determine the optimal alisertib dose in combination with selected endocrine therapy. The primary endpoints of the trial include objective response rate, duration of response, disease control rate, progression-free survival, and overall survival. As a secondary endpoint, Puma will evaluate each of these efficacy endpoints within biomarker subgroups in order to determine whether any biomarker subgroup correlates with response. Puma will perform its biomarker analysis of the ALISCA™-Breast1 trial in parallel with the execution of the clinical trial. Puma plans to perform an initial interim analysis for the evaluation of safety and efficacy.\n\n\nBased upon the outcomes of the trial, Puma anticipates meeting with the U.S. Food and Drug Administration to explore the potential for an approval pathway for alisertib in HER2-negative, HR+ metastatic breast cancer. Once the optimal alisertib dose is identified, Puma plans to engage with global regulatory agencies regarding the design of a pivotal (Phase III) trial, which it anticipates will be a randomized trial of alisertib plus investigator’s choice endocrine therapy versus placebo plus investigator’s choice endocrine therapy in patients with HER2-negative, HR+ metastatic breast cancer.\n\n\n“Additional therapies are needed for patients with HER2-negative, HR+ metastatic breast cancer whose disease pro...