Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 2 Interventional Results available

Trilaciclib (G1T28), a CDK 4/6 Inhibitor, in Combination With Gemcitabine and Carboplatin in Metastatic Triple Negative Breast Cancer (mTNBC)

ClinicalTrials.gov ID: NCT02978716

Public ClinicalTrials.gov record NCT02978716. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 11:15 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 2 Study of the Safety, Efficacy, and Pharmacokinetics of G1T28 in Patients With Metastatic Triple Negative Breast Cancer Receiving Gemcitabine and Carboplatin Chemotherapy

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This was a study to investigate the potential clinical benefit of trilaciclib (G1T28) in preserving the bone marrow and the immune system, and enhancing chemotherapy antitumor efficacy when administered prior to carboplatin and gemcitabine (GC therapy) for participants with metastatic triple negative breast cancer. The study was an open-label and 102 participants were randomly assigned (1:1:1 fashion) to 1 of the 3 following treatment groups: * Group 1: GC therapy (Days 1 and 8 of 21-day cycles) only (n=34) * Group 2: GC therapy (Days 1 and 8) plus trilaciclib (G1T28) on Days 1 and 8 of 21-day cycles (n=33) * Group 3: GC therapy (Days 2 and 9) plus trilaciclib (G1T28) on Days 1, 2, 8, and 9 of 21-day cycles (n=35) The study included 3 study phases: Screening Phase, Treatment Phase, and Survival Follow-up Phase. The Treatment Phase begins on the day of first dose with study treatment and completes at the Post-Treatment Visit.

Study identification

NCT ID
NCT02978716
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
G1 Therapeutics, Inc.
Industry
Enrollment
102 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 1, 2017
Primary completion
Jun 27, 2019
Completion
Feb 27, 2020
Last update posted
Mar 22, 2022

2017 – 2020

United States locations

U.S. sites
35
U.S. states
15
U.S. cities
33
Facility City State ZIP Site status
Arizona Oncology Associates, PC - HOPE Tucson Arizona 85704
Disney Family Cancer Center Burbank California 91505
Sharp Clinical Oncology San Diego California 92123
Innovative Clinical Research Institute Whittier California 90603
Memorial UC Health Colorado Springs Colorado 80909
Rocky Mountain Cancer Centers Lakewood Colorado 80228
Florida Cancer Specialists Fort Myers Florida 33916
Florida Cancer Research Institute, LLC. Plantation Florida 33324
Florida Cancer Specialists - North (FCS North) St. Petersburg Florida 33705
Moffitt Cancer Center Tampa Florida 33612
Florida Cancer Specialists - East (FCS East) West Palm Beach Florida 33401
Saint Alphonsus Regional Medical Center Boise Idaho 83706
Illinois Cancer Specialists Arlington Heights Illinois 60005
Community Health Network Indianapolis Indiana 46250
University of Maryland Greenebaum Comprehensive Cancer Center Baltimore Maryland 21201-1544
The University of Maryland St. Joseph Medical Center Towson Maryland 21204
Saint Luke's Cancer Institute Kansas City Missouri 64113
Comprehensive Cancer Centers of Nevada Las Vegas Nevada 89128
Levine Cancer Center Charlotte North Carolina 28204
Forsyth Memorial Hospital, Novant Health Oncology Specialists Winston-Salem North Carolina 27103
Tennessee Oncology Chattanooga Tennessee 37404
Tennessee Oncology Nashville Tennessee 37203
Texas Oncology-Dallas Presbyterian Hospital Austin Texas 75231
Texas Oncology, P.A. Austin Texas 78745
Texas Oncology, P.A. Bedford Texas 76022
Texas Oncology - Baylor Charles A. Sammons Cancer Center Dallas Texas 75246
Texas Oncology-El Paso Cancer Treatment Center Grandview El Paso Texas 79902
The Center for Cancer and Blood Disorders Fort Worth Texas 76104
Texas Oncology-San Antonio Northeast San Antonio Texas 78217
Tyler Hematology-Oncology, PA Tyler Texas 75701
Texas Oncology, P.A. Tyler Texas 75702
University of Virginia Charlottesville Virginia 22908
Virginia Cancer Specialists, PC Fairfax Virginia 22031
Virginia Oncology Associates Virginia Beach Virginia 23456
Northwest Medical Specialties, PLLC Tacoma Washington 98405

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 19 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02978716, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 22, 2022 · Synced Sep 3, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02978716 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →