Study of Durvalumab + Tremelimumab, Durvalumab, and Placebo in Limited Stage Small-Cell Lung Cancer in Patients Who Have Not Progressed Following Concurrent Chemoradiation Therapy

Condition(s) studied

Investigational drug(s) / intervention(s)

Durvalumab: Durvalumab IV (intravenous infusion)

Tremelimumab: Tremelimumab IV (intravenous infusion)

Placebo: Placebo IV (intravenous infusion)

Study summary

This is a Phase III, Randomized, Double-blind, Placebo-controlled, Multi-center, International Study of Durvalumab or Durvalumab and Tremelimumab as Consolidation Treatment for Patients with LS-SCLC Who Have Not Progressed Following Concurrent Chemoradiation Therapy

Eligibility

Primary outcome measure(s)

• Durvalumab Versus Placebo: Progression-Free Survival (PFS) Assessed by Blinded Independent Central Review (BICR) Per Response Evaluation Criteria in Solid Tumors Version 1.1 — Response evaluations performed every 8 weeks (q8w) ± 1 week up to 72 weeks, then every 12 weeks (q12w) ± 1 week up to 96 weeks, and then every 24 weeks (q24w) thereafter until PD, up to DCO date 15 January 2024 (a maximum of approximately 1936 days)
  PFS per RECIST 1.1 assessed by BICR was defined as the time from the date of randomization until the date of objective disease progression (PD) or death (by any cause in the absence of progression) regardless of whether the participant withdrew from therapy or received another anticancer therapy prior to progression. PD was defined as at least a 20% increase in the sum of diameters of target lesions (TLs), taking as reference the smallest previous sum of diameters (nadir) - this included the baseline sum if that was the smallest on study. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 millimeters (mm) from nadir. Median PFS was calculated using Kaplan-Meier method and its confidence interval (CI) using Brookmeyer-Crowley method.
• Durvalumab Versus Placebo: Overall Survival (OS) — From date of randomization until death due to any cause, up to DCO date 15 January 2024 (a maximum of approximately 1936 days)
  OS was defined as the time from the date of randomization until death due to any cause. Median OS was calculated using Kaplan-Meier method and its CI using Brookmeyer-Crowley method.

Trial sites (183)

+ 143 more sites — see the full list on the official registry below.

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