Trilaciclib (G1T28), a CDK 4/6 Inhibitor, in Combination With Gemcitabine

Status Terminated

Clinical Trial Summary

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.

Clinical Trial Description

The posted results represent the final results of Study G1T28-04, a Phase 2 study of the safety, efficacy and pharmacokinetics of trilaciclib (G1T28) in patients with locally recurrent/metastatic triple negative breast cancer receiving gemcitabine and carboplatin chemotherapy. The final myelopreservation efficacy results are reported from database lock 1 ([DBL1], data cut-off [DCO] date of 30 July 2018). Final anti-tumor efficacy (ORR, PFS), and final summary exposure and safety data are reported from database lock 2 ([DBL2], DCO 28 June 2019) which occurred to support filing of the trilaciclib New Drug Application (NDA). Final overall survival (OS) data are reported from the final database lock which occurred on 17 July 2020 (with a last patient last visit date of 28 February 2020). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02978716
Study type	Interventional
Source	G1 Therapeutics, Inc.
Contact
Status	Terminated
Phase	Phase 2
Start date	February 2, 2017
Completion date	February 28, 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms