CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 107 enrolled
Drug / intervention
Trilaciclib +4 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03041311
NCT03041311Phase 2Completed

Phase 2 Study of Carboplatin, Etoposide, and Atezolizumab With or Without Trilaciclib in Patients With Untreated Extensive-Stage Small Cell Lung Cancer (SCLC)

G1 Therapeutics, Inc.·interventional·Posted Feb 2, 2017·Updated Sep 25, 2025

In Brief

A Phase 2 clinical trial evaluating Trilaciclib, Placebo, and 3 other interventions for Small Cell Lung Cancer. Completed, enrolled 107 participants across 45 sites in 7 countries.

Detailed 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 antitumor efficacy when administered with carboplatin, etoposide, and atezolizumab (E/P/A) therapy in first line treatment for patients with newly diagnosed extensive-stage SCLC. The study was a randomized, double-blinded, placebo-controlled design. Approximately, 100 patients were randomized to trilaciclib + E/P/A or placebo + E/P/A in the study.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBulgaria, Estonia, France, Latvia, Spain, Ukraine, United States
CollaboratorsRoche-Genentech

Timeline

Phase 2CompletedFinished
2017201820192020202120222023202420252026
First PostedFeb 2, 2017
Enrollment StartJun 29, 2017
Primary CompletionAug 17, 2018
Study CompletionOct 29, 2020
TodayJul 2, 2026
Enrollment to primary: 1.1 yearsPosted 9.4 years ago

Interventions

Trilaciclibdrug

Trilaciclib IV

Placebodrug

Placebo IV

Carboplatindrug

Carboplatin IV

Etoposidedrug

Etoposide IV

Atezolizumabdrug

Atezolizumab IV