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Article: Outcomes with durvalumab after chemoradiotherapy in stage IIIA-N2 non-small-cell lung cancer: an exploratory analysis from the PACIFIC trial

TitleOutcomes with durvalumab after chemoradiotherapy in stage IIIA-N2 non-small-cell lung cancer: an exploratory analysis from the PACIFIC trial
Authors
Keywordschemotherapy
immunotherapy
multimodality therapy
radiation therapy
surgery
Issue Date2022
Citation
ESMO Open, 2022, v. 7, n. 2, article no. 100410 How to Cite?
AbstractBackground: The phase III PACIFIC trial (NCT02125461) established consolidation durvalumab as standard of care for patients with unresectable, stage III non-small-cell lung cancer (NSCLC) and no disease progression following chemoradiotherapy (CRT). In some cases, patients with stage IIIA-N2 NSCLC are considered operable, but the relative benefit of surgery is unclear. We report a post hoc, exploratory analysis of clinical outcomes in the PACIFIC trial, in patients with or without stage IIIA-N2 NSCLC. Materials and methods: Patients with unresectable, stage III NSCLC and no disease progression after ≥2 cycles of platinum-based, concurrent CRT were randomized 2: 1 to receive durvalumab (10 mg/kg intravenously; once every 2 weeks for up to 12 months) or placebo, 1-42 days after CRT. The primary endpoints were progression-free survival (PFS; assessed by blinded independent central review according to RECIST version 1.1) and overall survival (OS). Treatment effects within subgroups were estimated by hazard ratios (HRs) from unstratified Cox proportional hazards models. Results: Of 713 randomized patients, 287 (40%) had stage IIIA-N2 disease. Baseline characteristics were similar between patients with and without stage IIIA-N2 NSCLC. With a median follow-up of 14.5 months (range: 0.2-29.9 months), PFS was improved with durvalumab versus placebo in both patients with [HR = 0.46; 95% confidence interval (CI), 0.33-0.65] and without (HR = 0.62; 95% CI 0.48-0.80) stage IIIA-N2 disease. Similarly, with a median follow-up of 25.2 months (range: 0.2-43.1 months), OS was improved with durvalumab versus placebo in patients with (HR = 0.56; 95% CI 0.39-0.79) or without (HR = 0.78; 95% CI 0.57-1.06) stage IIIA-N2 disease. Durvalumab had a manageable safety profile irrespective of stage IIIA-N2 status. Conclusions: Consistent with the intent-to-treat population, treatment benefits with durvalumab were confirmed in patients with stage IIIA-N2, unresectable NSCLC. Prospective studies are needed to determine the optimal treatment approach for patients who are deemed operable.
Persistent Identifierhttp://hdl.handle.net/10722/326434

 

DC FieldValueLanguage
dc.contributor.authorSenan, S.-
dc.contributor.authorÖzgüroğlu, M.-
dc.contributor.authorDaniel, D.-
dc.contributor.authorVillegas, A.-
dc.contributor.authorVicente, D.-
dc.contributor.authorMurakami, S.-
dc.contributor.authorHui, R.-
dc.contributor.authorFaivre-Finn, C.-
dc.contributor.authorPaz-Ares, L.-
dc.contributor.authorWu, Y. L.-
dc.contributor.authorMann, H.-
dc.contributor.authorDennis, P. A.-
dc.contributor.authorAntonia, S. J.-
dc.date.accessioned2023-03-10T02:19:15Z-
dc.date.available2023-03-10T02:19:15Z-
dc.date.issued2022-
dc.identifier.citationESMO Open, 2022, v. 7, n. 2, article no. 100410-
dc.identifier.urihttp://hdl.handle.net/10722/326434-
dc.description.abstractBackground: The phase III PACIFIC trial (NCT02125461) established consolidation durvalumab as standard of care for patients with unresectable, stage III non-small-cell lung cancer (NSCLC) and no disease progression following chemoradiotherapy (CRT). In some cases, patients with stage IIIA-N2 NSCLC are considered operable, but the relative benefit of surgery is unclear. We report a post hoc, exploratory analysis of clinical outcomes in the PACIFIC trial, in patients with or without stage IIIA-N2 NSCLC. Materials and methods: Patients with unresectable, stage III NSCLC and no disease progression after ≥2 cycles of platinum-based, concurrent CRT were randomized 2: 1 to receive durvalumab (10 mg/kg intravenously; once every 2 weeks for up to 12 months) or placebo, 1-42 days after CRT. The primary endpoints were progression-free survival (PFS; assessed by blinded independent central review according to RECIST version 1.1) and overall survival (OS). Treatment effects within subgroups were estimated by hazard ratios (HRs) from unstratified Cox proportional hazards models. Results: Of 713 randomized patients, 287 (40%) had stage IIIA-N2 disease. Baseline characteristics were similar between patients with and without stage IIIA-N2 NSCLC. With a median follow-up of 14.5 months (range: 0.2-29.9 months), PFS was improved with durvalumab versus placebo in both patients with [HR = 0.46; 95% confidence interval (CI), 0.33-0.65] and without (HR = 0.62; 95% CI 0.48-0.80) stage IIIA-N2 disease. Similarly, with a median follow-up of 25.2 months (range: 0.2-43.1 months), OS was improved with durvalumab versus placebo in patients with (HR = 0.56; 95% CI 0.39-0.79) or without (HR = 0.78; 95% CI 0.57-1.06) stage IIIA-N2 disease. Durvalumab had a manageable safety profile irrespective of stage IIIA-N2 status. Conclusions: Consistent with the intent-to-treat population, treatment benefits with durvalumab were confirmed in patients with stage IIIA-N2, unresectable NSCLC. Prospective studies are needed to determine the optimal treatment approach for patients who are deemed operable.-
dc.languageeng-
dc.relation.ispartofESMO Open-
dc.subjectchemotherapy-
dc.subjectimmunotherapy-
dc.subjectmultimodality therapy-
dc.subjectradiation therapy-
dc.subjectsurgery-
dc.titleOutcomes with durvalumab after chemoradiotherapy in stage IIIA-N2 non-small-cell lung cancer: an exploratory analysis from the PACIFIC trial-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.esmoop.2022.100410-
dc.identifier.pmid35247871-
dc.identifier.scopuseid_2-s2.0-85125540674-
dc.identifier.volume7-
dc.identifier.issue2-
dc.identifier.spagearticle no. 100410-
dc.identifier.epagearticle no. 100410-
dc.identifier.eissn2059-7029-

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