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Clinical Trial Summary

This trial studies the best dose and side effects of utomilumab (4-1BB agonist monoclonal antibody PF-05082566) with trastuzumab emtansine or trastuzumab in treating patients with HER2-positive breast cancer that has spread to other places in the body. Monoclonal antibodies, such as utomilumab, trastuzumab emtansine, and trastuzumab may interfere with the ability of tumor cells to grow and spread.


Clinical Trial Description

PRIMARY OBJECTIVE: Estimate the maximum tolerated dose (MTD) and determine the recommended dose (RP2D) of utomilumab in combination with ado-rastuzumab emtansine (T-DM1) or trastuzumab in subjects with HER2-positive advanced breast cancer. SECONDARY OBJECTIVES: - Determine the objective tumor response (ORR) - Determine the time to tumor response (TTR) - Determine the duration of response (DR) - Determine progression free survival (PFS) - Assess the safety and tolerability of utomilumab in combination with ado-trastuzumab emtansine or trastuzumab OUTLINE: Patients are randomized to 1 of 2 cohorts. COHORT 1: Dose 1: Utomilumab 20 mg IV + ado-trastuzumab emtansine (T-DM1) 3.6 mg/kg IV every 3 weeks. Dose 2: Dose Level 2 - Utomilumab 100 mg IV + ado-trastuzumab emtansine 3.6 mg/kg IV every 3 weeks COHORT 2: Dose 1: Utomilumab 20 mg IV + trastuzumab 6 mg/kg IV every 3 weeks. Dose Level 2 - Utomilumab 100 mg IV + trastuzumab 6 mg/kg IV every 3 weeks. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03364348
Study type Interventional
Source Stanford University
Contact
Status Completed
Phase Phase 1
Start date October 30, 2017
Completion date February 14, 2022

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