Study of Magrolimab Combination Therapy in Patients With Non-Surgically Removable Locally Advanced or Metastatic Triple-Negative Breast Cancer

NCT ID: NCT04958785

Last Updated: 2025-11-04

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE2

Total Enrollment

92 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-12-14

Study Completion Date

2024-10-08

Brief Summary

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The goals of this clinical study are to learn about the safety, tolerability, dosing and effectiveness of magrolimab in combination with nab-paclitaxel or paclitaxel (cohort 1) or with sacituzumab govitecan-hziy (cohort 2) in participants with non-surgically removable locally advanced or metastatic triple-negative breast cancer.

The primary objective of this study for the safety run-in cohorts of the study is to evaluate the safety, tolerability, and recommended Phase 2 dose (RP2D) of magrolimab in combination with nab-paclitaxel or paclitaxel (Safety Run-In Cohort 1), and sacituzumab govitecan (Safety Run-In Cohort 2) in metastatic triple-negative breast cancer (mTNBC).

This study in the Phase 2 Cohort 1 also compares the efficacy of magrolimab in combination with nab-paclitaxel or paclitaxel versus nab-paclitaxel or paclitaxel alone, as determined by progression-free survival (PFS) by investigator assessment.

This study in the Phase 2 Cohort 2 also evaluates the efficacy of magrolimab in combination with sacituzumab govitecan as determined by confirmed objective response rate (ORR) by investigator assessment.

Detailed Description

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Conditions

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Triple-Negative Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Safety Run-in Cohort 1: Magrolimab + Nab-Paclitaxel or Paclitaxel

Participants will receive magrolimab intravenous (IV) infusion + nab-paclitaxel IV or paclitaxel IV as mentioned below:

* Magrolimab 1 mg/kg on Cycle 1 Day 1; 30 mg/kg, on Cycle 1 Days 8, 15, 22, Cycle 2 Days 1, 8, 15, 22 and Cycle 3 Days 1 and 15 onwards for every 28-days cycle;
* Nab-paclitaxel 100 mg/m\^2 or paclitaxel 90 mg/m\^2 on Days 1, 8 and 15 of every 28-days cycle.

Group Type EXPERIMENTAL

Magrolimab

Intervention Type DRUG

Administered intravenously

Nab-Paclitaxel

Intervention Type DRUG

Administered intravenously

Paclitaxel

Intervention Type DRUG

Administered intravenously

Phase 2 Cohort 1 Arm A: Magrolimab + Nab-Paclitaxel or Paclitaxel

Participants will receive magrolimab IV infusion + nab-paclitaxel IV or paclitaxel IV as mentioned below:

* Magrolimab 1 mg/kg on Cycle 1 Day 1; 30 mg/kg, on Cycle 1 Days 8, 15, 22, Cycle 2 Days 1, 8, 15, 22 and Cycle 3 Days 1 and 15 onwards for every 28-days cycle;
* Nab-paclitaxel 100 mg/m\^2 or paclitaxel 90 mg/m\^2 on Days 1, 8 and 15 of every 28-days cycle.

Group Type EXPERIMENTAL

Magrolimab

Intervention Type DRUG

Administered intravenously

Nab-Paclitaxel

Intervention Type DRUG

Administered intravenously

Paclitaxel

Intervention Type DRUG

Administered intravenously

Phase 2 Cohort 1 Arm B: Nab-Paclitaxel or Paclitaxel

Participants will receive nab-paclitaxel IV or paclitaxel IV as mentioned below:

* Nab-paclitaxel 100 mg/m\^2 or paclitaxel 90 mg/m\^2 on Days 1, 8 and 15 of every 28-day cycle.

Group Type ACTIVE_COMPARATOR

Magrolimab

Intervention Type DRUG

Administered intravenously

Nab-Paclitaxel

Intervention Type DRUG

Administered intravenously

Paclitaxel

Intervention Type DRUG

Administered intravenously

Safety Run-in Cohort 2: Magrolimab + Sacituzumab govitecan

Participants will receive magrolimab IV infusion + sacituzumab govitecan IV infusion as mentioned below:

* Magrolimab 1 mg/kg on Cycle 1 Day 1; 30 mg/kg, on Cycle 1 Days 8, 15, Cycle 2 Days 1, 8, and 15; 60 mg/kg, on Cycle 3 Day 1 onwards for every 21-day cycle;
* Sacituzumab govitecan 10 mg/kg on Days 1 and 8 onwards for every 21-day cycle.

Group Type EXPERIMENTAL

Magrolimab

Intervention Type DRUG

Administered intravenously

Sacituzumab Govitecan-hziy

Intervention Type DRUG

Administered intravenously

Phase 2 Cohort 2: Magrolimab + Sacituzumab govitecan

Participants will receive magrolimab IV infusion + sacituzumab govitecan IV infusion as mentioned below:

* Magrolimab 1 mg/kg on Cycle 1 Day 1; 30 mg/kg, on Cycle 1 Days 8, 15, Cycle 2 Days 1, 8, and 15; 60 mg/kg, on Cycle 3 Day 1 onwards for every 21-day cycle;
* Sacituzumab govitecan 10 mg/kg on Days 1 and 8 onwards for every 21-day cycle.

Group Type EXPERIMENTAL

Magrolimab

Intervention Type DRUG

Administered intravenously

Sacituzumab Govitecan-hziy

Intervention Type DRUG

Administered intravenously

Interventions

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Magrolimab

Administered intravenously

Intervention Type DRUG

Nab-Paclitaxel

Administered intravenously

Intervention Type DRUG

Paclitaxel

Administered intravenously

Intervention Type DRUG

Sacituzumab Govitecan-hziy

Administered intravenously

Intervention Type DRUG

Other Intervention Names

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GS-4721 Abraxane Taxol® GS-0132 Trodelvy®

Eligibility Criteria

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Inclusion Criteria

* Adequate performance status, hematologic, renal and liver function.
* Measurable disease per response evaluation criteria in solid tumors (RECIST) v1.1
* Cohort 1: Individuals with previously untreated with systemic therapy for unresectable locally advanced or metastatic triple-negative breast cancer (mTNBC) that are considered programmed cell death ligand 1 (PD-L1) negative (as determined by an approved test according to local regulations).
* Cohort 2: Individuals with unresectable, locally advanced or metastatic breast cancer with a diagnosis of TNBC who have received at least 1 and no more than 2 prior lines of systemic therapy in the unresectable, locally advanced or metastatic setting. Individuals must have been previously treated with a taxane in any setting. Individuals with tumors that are considered positive for PD-L1 expression (as determined by an approved test according to local regulations) must have received an immune checkpoint inhibitor for a prior-line of treatment for unresectable locally advanced/metastatic TNBC.

* History of hemolytic anemia, autoimmune thrombocytopenia, or Evans syndrome in the last 3 months.
* Prior treatment with cluster of differentiation 47 (CD47) or signal regulatory protein alpha-targeting agents.
* Known inherited or acquired bleeding disorders.
* Cohort 1 only: Disease progression within 6 months following neoadjuvant/adjuvant therapy.
* Cohort 2 only:

* Individuals with active chronic inflammatory bowel disease (ulcerative colitis, Crohn disease) and Individuals with a history of bowel obstruction or gastrointestinal perforation within 6 months of enrollment.
* Individuals who previously received topoisomerase I inhibitors or antibody-drug conjugates containing a topoisomerase inhibitor.
* High-dose systemic corticosteroids (≥ 20 mg of prednisone or its equivalent) are not allowed within 2 weeks of Cycle 1 Day 1.
* Have not recovered (ie, ≥ Grade 2 is considered not recovered) from adverse events (AEs) due to a previously administered agent.

* Note: Individuals with any grade of neuropathy, alopecia, hypo- or hyperthyroidism, or other endocrinopathies that are well controlled with hormone replacement are an exception to this criterion and will qualify for the study.
* Note: if individuals received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy.

Exclusion Criteria

* Positive serum pregnancy test or breastfeeding female.
* Active central nervous system (CNS) disease. Individuals with asymptomatic and stable, treated CNS lesions (who have been off steroids, radiation and/or surgery and/or other CNS-directed therapy for at least 4 weeks) are allowed.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Gilead Sciences

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Gilead Study Director

Role: STUDY_DIRECTOR

Gilead Sciences

Locations

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University Cancer & Blood Center,LLC

Athens, Georgia, United States

Site Status

Winship Cancer Institute Emory University

Atlanta, Georgia, United States

Site Status

Southeastern Regional Medical Center, LLC

Newnan, Georgia, United States

Site Status

Orchard Healthcare Research Inc

Skokie, Illinois, United States

Site Status

Ochsner Clinic Foundation

New Orleans, Louisiana, United States

Site Status

Allina Health Cancer Institute

Minneapolis, Minnesota, United States

Site Status

Mayo Clinic

Rochester, Minnesota, United States

Site Status

Mayo Clinic

Phoenix, Arizona, United States

Site Status

Women's Cancer Care

Fresno, California, United States

Site Status

Providence Medical Foundation

Fullerton, California, United States

Site Status

University of California San Francisco

San Francisco, California, United States

Site Status

Saint John's Cancer Institute

Santa Monica, California, United States

Site Status

Providence Medical Foundation

Santa Rosa, California, United States

Site Status

Cancer Research SA

Adelaide, South Australia, Australia

Site Status

Flinders Medical Centre

Bedford Park, South Australia, Australia

Site Status

Box Hill Hospital

Box Hill, Victoria, Australia

Site Status

St Vincent's Hospital Melbourne

Fitzroy, Victoria, Australia

Site Status

Peninsula Health

Frankston, Victoria, Australia

Site Status

Barwon Health- University Hospital Geelong

Geelong, Victoria, Australia

Site Status

Ballarat Oncology & Haematology Services

Wendouree, Victoria, Australia

Site Status

Queen Mary Hospital

Hong Kong, , Hong Kong

Site Status

Princess Margaret Hospital

Kowloon, , Hong Kong

Site Status

Prince of Wales Hospital

New Territories, , Hong Kong

Site Status

Samsung Medical Center

Gangnam-Gu, , South Korea

Site Status

National Cancer Center

Goyang-si, , South Korea

Site Status

Seoul National University Hospital

Jongrogu, , South Korea

Site Status

Severance Hospital Yonsei University Health System

Seoul, , South Korea

Site Status

Asan Medical Center

Seoul, , South Korea

Site Status

Taipei Veterans General Hospital

Beitou District, , Taiwan

Site Status

Changhua Christian Hospital

Changhua, , Taiwan

Site Status

Chang Gung Memorial Hospital, Linkou

Guishan District, , Taiwan

Site Status

Kaohsiung Medical University Chung-Ho Memorial Hospital

Sanmin District, , Taiwan

Site Status

National Taiwan University Hospital

Tapiei, , Taiwan

Site Status

University Hospitals of Leicester NHS Trust

Leicester, , United Kingdom

Site Status

University College London

London, , United Kingdom

Site Status

The Christie NHS Foundation Trust

Manchester, , United Kingdom

Site Status

Mayo Clinic

Jacksonville, Florida, United States

Site Status

Astera Cancer Care

East Brunswick, New Jersey, United States

Site Status

NYU Investigational Pharmacy, Laura & Isaac Perlmutter Cancer Center

New York, New York, United States

Site Status

Stony Brook University

Stony Brook, New York, United States

Site Status

Charleston Oncology

Charleston, South Carolina, United States

Site Status

Huntsman Cancer Institute, University of Utah

Salt Lake City, Utah, United States

Site Status

Cairns and Hinterland Hospital and Health Service

Cairns, Queensland, Australia

Site Status

University of the Sunshine Coast

Sippy Downs, Queensland, Australia

Site Status

Princess Alexandra Hospital

Woolloongabba, Queensland, Australia

Site Status

Countries

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United States Australia Hong Kong South Korea Taiwan United Kingdom

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Related Links

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Other Identifiers

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2021-001074-27

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

GS-US-586-6144

Identifier Type: -

Identifier Source: org_study_id

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