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Title: Influence of cisplatin-use, age, performance status and duration of chemotherapy on symptom control in advanced non-small cell lung cancer: detailed symptom analysis of a randomised study comparing cisplatin-vindesine to gemcitabine.
Author: Vansteenkiste J, Vandebroek J, Nackaerts K, Dooms C, Galdermans D, Bosquée L, Delobbe A, Deschepper K, Van Kerckhoven W, Vandeurzen K, Deman R, D'Odemont JP, Siemons L, Van den Brande P, Dams N, Leuven Lung Cancer Group.
Journal: Lung Cancer; 2003 May; 40(2):191-9. PubMed ID: 12711121.
Abstract:
BACKGROUND: We previously reported that treatment of patients with symptomatic advanced non-small cell lung cancer with single agent Gemcitabine (GEM) resulted in a superior clinical-benefit response rate (RR) compared to cisplatin-based combination chemotherapy. We now report the detailed individual symptom control analysis, and the influence of cisplatin-use, age, performance status (PS) and duration of treatment. PATIENTS AND METHODS: Patients received either GEM (1000 mg/m(2), days 1, 8 and 15) or cisplatin (100 mg/m(2), day 1) plus Vindesine (3 mg/m(2), days 1 and 15) (PV), both every 4 weeks. Scores of 9 symptoms were listed weekly by the patient on visual analogue scales. Improvement of a symptom was defined as 2 consecutive cycles of improvement over baseline. RESULTS: Baseline symptoms in the 169 patients were well balanced between the 2 arms (84 GEM, 85 PV). Both patients with objective response and disease stabilisation had clearly better symptom control than those with disease progression. Symptom control in both arms was similar for 'disease-specific' symptoms such as cough, dyspnea, pain or haemoptysis. Compared to PV, a significantly larger number of GEM-patients had better scores for 'constitutional' items such as anorexia (P=0.007), ability to carry on with daily activities (P=0.04) and overall impression of quality-of-life (P=0.008). Symptom control was very similar in younger (<65 years) versus older (>/=65 years) patients, and only slightly better in those with a Karnofsky PS >/=80% compared to those <80%. Most of the symptom improvement occurred in the first 3 cycles, with some further symptom improvement in the following cycles in the GEM-arm only. CONCLUSIONS: Both GEM and PV yield a symptom control rate much higher than expected by the objective tumour RR. GEM is equally effective in controlling 'disease-specific' symptoms, but superior in controlling 'constitutional' symptoms. Most of the symptom control was achieved during the first 3 cycles of treatment, with some further improvement thereafter in the GEM-arm only.

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