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Background/Objectives: Following findings of the PACIFIC trial, consolidation therapy with durvalumab was established as standard of care for patients with unresectable, stage III non-small cell lung cancer (NSCLC) and no disease progression after chemoradiotherapy (CRT). This study evaluated real-world effectiveness of durvalumab consolidation in clinical routine in Germany. Methods: Patients with unresectable, stage III NSCLC enrolled in the prospective, multicenter CRISP registry (August 2018–June 2023) were classified into two subgroups: treated with/without durvalumab consolidation therapy. Following stabilized inverse probability of treatment weighting, progression-free survival (PFS) and overall survival (OS) were assessed. Results: This analysis included 231 patients, 124 with and 107 without durvalumab consolidation therapy. In the two subgroups (with/without durvalumab), median age was 67.2/64.6 years, 51.6%/47.7% were female, and 83.1%/86.0% had Eastern Cooperative Oncology Group performance status ≤1. Most patients (87%) received concurrent CRT. In the weighted analysis, median PFS was significantly longer with durvalumab consolidation (18.6 months, 95% CI 12.8, 24.5 vs. 7.5 months, 95% CI 5.5, 8.4; HR 0.52, 95% CI 0.37, 0.73); median OS was numerically longer but did not reach statistical significance (34.4 months, 95% CI 25.4, not available/not reached vs. 27.5 months, 95% CI 17.4, 59.6; HR 0.67, 95% CI 0.44, 1.02). Conclusions: This real-world study confirmed significant PFS improvements with durvalumab consolidation in unresectable, stage III NSCLC, with effect sizes comparable to PACIFIC. Although OS differences were not statistically significant, these findings provide valuable real-world evidence supporting the effectiveness of durvalumab consolidation in routine clinical practice.
Stuschke et al. (Sat,) studied this question.