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Hemer, Germany

Garrido P.,University Hospital Ramon y Cajal | Engel-Riedel W.,Lung Clinic Merheim | Serke M.,Hemer Lung Clinic | Giraud P.,University of Paris Descartes | And 7 more authors.
Lung Cancer | Year: 2015

Objectives: This single-arm multicenter Phase II study investigated the efficacy and safety of pemetrexed (Pem) and cisplatin (Cis) induction chemotherapy (CT) followed by full-dose Pem-Cis plus concurrent radiotherapy (RT) in patients with locally advanced non-squamous NSCLC. Materials and methods: Patients with unresectable Stage III non-squamous NSCLC received two 21-day cycles of Pem 500mg/m2 (vitamin/folic acid supplementation and dexamethasone prophylaxis per Pem-label)+Cis 75mg/m2 on Day 1. Eligible patients who had not progressed continued with 2 further cycles of full-dose Pem-Cis plus concurrent RT (2Gy/fraction, 5 days/week, 66Gy total). Primary endpoint was the 1-year progression-free survival (PFS) rate. Results: Of 90 patients enrolled (all treated; median age 61 years, male/female 57%/43%, ECOG performance status 0/1 66%/34%, adenocarcinoma 90%, Stage III 36%/62%), 75 (83%) completed induction CT and started concurrent CT. +. RT. 64 (71%) patients received all 4 CT cycles and an RT dose ≥60. Gy. The 1-year PFS rate was 51.3% (95%CI: 42.0, 60.5). Median PFS was 10.6 months (95%CI: 8.6, 17.3), median OS was 26.2 months (95%CI: 16.7, not estimable). One patient died from enteritis (treatment-related) during Cycle 4. Four patients discontinued due to treatment-related adverse events, 1 on induction CT (renal failure), 3 on concurrent CT. +. RT (1 hypoacusis, 2 acute esophagitis). During induction CT, 18.9% of patients reported Grade 3/4 CTCAEs, only neutropenia (2.2%) and syncope (2.2%) were reported by >1 patient. During concurrent CT. +. RT, 41.3% of patients reported G3/4 CTCAEs, mainly esophagitis (12.0%), neutropenia (10.7%), and leukopenia (9.3%). Conclusion: In this study of Pem-Cis induction CT followed by full-dose Pem-Cis with concurrent RT, median PFS was 10.6 months and toxicity was manageable, in line with previous data on Pem-Cis plus RT. © 2015 The Authors. Source

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