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Carboplatin, Etoposide, and Atezolizumab With or Without Trilaciclib (G1T28), a CDK4/6 Inhibitor, in Extensive-Stage SCLC

Small Cell Lung Cancer Clinical Trial

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

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 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.

Clinical Trial Description

The posted results represent the final results from Study G1T28-05, a Phase 2 study of carboplatin, etoposide, and atezolizumab with or without trilaciclib (G1T28) in patients with untreated extensive-stage small cell lung cancer (SCLC). The final myelopreservation efficacy results are from database lock 1 (data cut-off [DCO] 17 Aug 2018). The final anti-tumor efficacy data (BOR, DOR, PFS) are from a second database lock 2 (DCO 28 June 2019) that occurred to support the trilaciclib New Drug Application (NDA). Final overall survival and safety data are reported from the final study database lock (DCO 11 Dec 2020, last patient last visit date of 29 October 2020). Please note the last patient last visit date description above which is recorded as the study completion date. Following the last patient last visit, the final database lock occurred a few weeks later which accounts for the discrepancy between the study completion date and the reported assessment time frames. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03041311
Study type Interventional
Source G1 Therapeutics, Inc.
Contact
Status Terminated
Phase Phase 2
Start date June 29, 2017
Completion date October 29, 2020
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