Neoadjuvant MEDI4736 Concomitant With Weekly Nab-paclitaxel and Dose-dense AC for Stage I-III Triple Negative Breast Cancer

Breast Neoplasms Clinical Trial

Official title: Single Arm Neoadjuvant Phase I/II Study of MEDI4736 (Anti-PD-L1 Antibody) Concomitant With Weekly Nab-paclitaxel and Dose-dense Doxorubicin/Cyclophosphamide (ddAC) Chemotherapy for Clinical Stage I-III Triple Negative Breast Cancer

Status Completed

Clinical Trial Summary

The purpose of the study is to address the following hypotheses: (i) Anti-PD-L1 therapy with MEDI4736 administered concomitantly with weekly nab-paclitaxel followed by MEDI4736 concomitant with ddAC neoadjuvant chemotherapy will induce higher pathologic complete response (pCR) rate (>55%) in triple negative breast cancer than historical pCR rates (30-40%) observed with chemotherapy alone. (ii) MEDI4736 can be safely co-administered at full dose with sequential with nab-paclitaxel (100mg/m2) and ddAC (60 mg/m2 and 600 mg/m2 respectively).

Clinical Trial Description

The primary objective of the Phase I portion of the trial is to assess the safety of MEDI4736 combined with chemotherapy and determine if full dose of MEDI4736 can be administered concomitantly with full dose weekly nab-paclitaxel followed by dose-dense AC chemotherapies, respectively.

The primary objective of the Phase II portion of the study is to estimate the pCR rate with MEDI4736 in combination with weekly nab-paclitaxel x 12 treatments followed by MEDI4736 in combination with ddAC x 4 treatments for estrogen receptor (ER), progesterone receptor (PR) and HER2 negative (triple negative, TNBC), clinical stage I-III breast cancer. Pathologic complete response is defined as the absence of residual invasive cancer on hematoxylin and eosin evaluation of the resected breast specimen and all sampled regional lymph nodes following completion of neoadjuvant systemic therapy (i.e. ypT0/Tis ypN0).

Secondary objectives include: to assess the safety and toxicity of adding anti-PD-L1 antibody, MEDI4736 to standard of care neoadjuvant chemotherapy in the Phase II portion of the trial. The study will also monitor for events of special clinical interest with a suspected auto-immunologic etiology including grade ≥3 colitis, hyperthyroidism, hypophysitis, hypothyroidism, pneumonitis, rash and anti-drug-antibody (ADA) immune complex disease (manifested by symptoms of arthralgias, abdominal pain, back pain, and vasculitis).

Exploratory objectives include: to assess correlation between response to therapy and immune parameters of the tumor at baseline and post-treatment in patients who have residual cancer after therapy. ;

Related Conditions & MeSH terms

• Breast Neoplasms
• Triple Negative Breast Neoplasms

• NCT number: NCT02489448
• Study type: Interventional
• Source: Yale University
• Status: Completed
• Phase: Phase 1/Phase 2
• Start date: November 2015
• Completion date: August 2, 2021