At a glance
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A Randomized, Placebo-Controlled, Double-Blind, Phase II Trial of Nanoparticle Albumin-Bound Paclitaxel (Nab-Paclitaxel, Abraxane®) With or Without Mifepristone for Advanced, Glucocorticoid Receptor-Positive, Triple-Negative Breast Cancer
In Brief
A Phase 2 clinical trial evaluating Mifepristone, Placebo, and 1 other intervention for Breast Cancer. Active but no longer recruiting, targeting 29 participants across 5 sites.
Detailed Summary
This is a randomized, placebo-controlled, double-blind, phase II trial of nab-paclitaxel with or without mifepristone for advanced, glucocorticoid receptor-positive, triple-negative breast cancer. A total of 64 patients will receive nab-paclitaxel. Patients will be randomly assigned to either receive placebo or to receive mifepristone daily on the day prior to and day of each dose of nab-paclitaxel. Patients will be enrolled over 12 months and followed for 12 months following completion of study. To expand and follow up on the investigators understanding of a potential pharmacokinetic (PK) interaction between nab-paclitaxel and mifepristone, investigators will perform PK studies in the first 20 patients enrolled at pre-specified "PK sites".
Study Details
Timeline
Interventions
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle).
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle).
Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.