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Clinical Trial Summary

The hypothesis is that abemaciclib synergizes with autophagy inhibitor hydroxychloroquine (HCQ/ Plaquenil), inducing apoptosis leading to tumor regression.


Clinical Trial Description

Part 1: 3+3 dose escalation of HCQ combined with abemaciclib in advanced solid tumors. Part 2: HCQ at top-dose level from part one is combined with abemaciclib and endocrine therapy in HR+/Her 2- advanced breast cancer (ABC) and divided into two cohorts based on prior exposure to endocrine therapy. Primary Objective 1. Dose-escalation cohort: To determine safety and tolerability of HCQ combined with abemaciclib. 2. Dose-expansion cohort: To determine safety and tolerability of HCQ combined with abemaciclib and endocrine therapy in HR+/Her2- ABC. Secondary Objectives 1. To assess the clinical efficacy of HCQ in combination with abemaciclib and hormone blockade in the dose- expansion cohort of advanced ER- positive breast cancer participants. 2. To assess the clinical efficacy of HCQ in combination with abemaciclib in the dose- escalation cohort ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04316169
Study type Interventional
Source Medical College of Wisconsin
Contact
Status Withdrawn
Phase Phase 1
Start date October 21, 2021
Completion date January 2028

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