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Brief Title: A Phase II Study of Tucatinib and Ado-trastuzumab Emtansine (T-DM1) in Patients With HER2-positive Metastatic Solid Tumors and Metastases to Brain (TUCATEMEB)
Official Title: A Phase II Study of Tucatinib and Ado-trastuzumab Emtansine (T-DM1) in Patients With HER2-positive Metastatic Solid Tumors and Metastases to Brain (TUCATEMEB)
Study ID: NCT05673928
Brief Summary: To learn if the study drugs, tucatinib and adotrastuzumab emtansine (T-DM1), can help to control solid tumors that have spread to the brain.
Detailed Description: Primary Objectives: ● To determine the intracranial antitumor activity of the tucatinib and ado-trastuzumab emtansine (T- bination per the modified Response Evaluation Criteria in Solid Tumors (mRECIST) in patients with huma Key Secondary Objectives: * To determine the intracranial antitumor activity of the tucatinib and T-DM1 combination per the Response Assessment in Neuro-Oncology Brain Metastases (RANO-BM) criteria in patients with HER2-positive metastatic solid tumors and brain metastases. * To evaluate the duration of intracranial response of the tucatinib and T-DM1 combination in patients with HER2-positive metastatic solid tumors and brain metastases. Other Secondary Objectives: * To evaluate the safety and tolerability of the tucatinib and T-DM1 combination in patients with HER2-positive metastatic solid tumors and brain metastases. * To evaluate the systemic antitumor activity of the tucatinib and T-DM1 combination per the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 in patients with HER2-positive metastatic solid tumors and brain metastases. * To evaluate progression-free survival (PFS) in patients with HER2-positive metastatic solid tumors and brain metastases receiving the tucatinib and T-DM1 combination. * To evaluate overall survival (OS) in patients with HER2-positive metastatic solid tumors and brain metastases receiving the tucatinib and T-DM1 combination. * To evaluate the duration of response to the tucatinib and T-DM1 combination per the RECIST v1.1 in patients with HER2-positive metastatic solid tumors and brain metastases. * To evaluate the clinical benefit rate of the tucatinib and T-DM1 combination per the RECIST v1.1 in patients with HER2-positive metastatic solid tumors and brain metastases. Exploratory Objectives: * To assess the effects of the tucatinib and T-DM1 combination on cell proliferation and apoptosis. * To evaluate predictive and pharmacodynamic (PD) biomarkers of response and resistance to the tucatinib and T-DM1 combination. * To assess the effects of the tucatinib and T-DM1 combination on circulating-free DNA (cfDNA) dynamics.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
M D Anderson Cancer Center, Houston, Texas, United States
Name: Ecaterina Dumbrava, MD
Affiliation: M.D. Anderson Cancer Center
Role: PRINCIPAL_INVESTIGATOR