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Prospective exploratory study of gemcitabine and S-1 against elderly patients with advanced non-small cell lung cancer.

ABSTRACT: A prospective study was conducted to investigate the efficacy of a combined regimen of gemcitabine and S-1 for the treatment of elderly patients (>70 years) with advanced non-small cell lung cancer (NSCLC) as a first-line setting based on the dosage recommended in a previous phase I study. Chemotherapy-naïve patients with advanced NSCLC received gemcitabine plus S-1. S-1 (40 mg/m2) was administered orally twice daily for 14 days while gemcitabine (1,000 mg/m2) was administered on days 1 and 15 of each cycle, and this regimen was repeated every 4 weeks. A total of 20 patients were included in the present study. Of these, 8 patients achieved an overall response rate of 40.0%, and the overall disease control rate was 65.0%. According to the histological type, the response rate in patients with NSCLC and adenocarcinoma was 38.5%, and that for non-adenocarcinoma was 42.9%. Progression-free survival and median survival times were 6.4 months and 17.8 months, respectively. Grade 3 or 4 hematological toxicities observed were leukopenia (29%) and neutropenia (24%), while febrile neutropenia was not observed in any patient. The only non-hematological adverse event observed was grade 3 skin rash (10%). Therefore, the combination of gemcitabine and S-1 may be a promising and feasible regimen in the first-line setting for elderly patients with advanced NSCLC.

SUBMITTER: Kaira K

PROVIDER: S-EPMC5494690 | biostudies-other | 2017 Jul

REPOSITORIES: biostudies-other

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Project description:BackgroundCombinations of exercise and nutritional interventions might improve the functional prognosis for cachectic cancer patients. However, high attrition and poor compliance with interventions limit their efficacy. We aimed to test the feasibility of the early induction of new multimodal interventions specific for elderly patients with advanced cancer Nutrition and Exercise Treatment for Advanced Cancer (NEXTAC) programme.MethodsThis was a multicentre prospective single-arm study. We recruited 30 of 46 screened patients aged ≥70 years scheduled to receive first-line chemotherapy for newly diagnosed, advanced pancreatic, or non-small-cell lung cancer. Physical activity was measured using pedometers/accelerometer (Lifecorder® , Suzuken Co., Ltd., Japan). An 8 week educational intervention comprised three exercise and three nutritional sessions. The exercise interventions combined home-based low-intensity resistance training and counselling to promote physical activity. Nutritional interventions included standard nutritional counselling and instruction on how to manage symptoms that interfere with patient's appetite and oral intake. Supplements rich in branched-chain amino acids (Inner Power® , Otsuka Pharmaceutical Co., Ltd., Japan) were provided. The primary endpoint of the study was feasibility, which was defined as the proportion of patients attending ≥4 of six sessions. Secondary endpoints included compliance and safety.ResultsThe median patient age was 75 years (range, 70-84). Twelve patients (40%) were cachectic at baseline. Twenty-nine patients attended ≥4 of the six planned sessions (96.7%, 95% confidence interval, 83.3 to 99.4). One patient dropped out due to deteriorating health status. The median proportion of days of compliance with supplement consumption and exercise performance were 99% and 91%, respectively. Adverse events possibly related to the NEXTAC programme were observed in five patients and included muscle pain (Grade 1 in two patients), arthralgia (Grade 1 in one patient), dyspnoea on exertion (Grade 1 in one patient), and plantar aponeurositis (Grade 1 in one patient).ConclusionsThe early induction of multimodal interventions showed excellent compliance and safety in elderly patients with newly diagnosed pancreatic and non-small-cell lung cancer receiving concurrent chemotherapy. We are now conducting a randomized phase II study to measure the impact of these interventions on functional prognosis.

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Prospective exploratory study of gemcitabine and S-1 against elderly patients with advanced non-small cell lung cancer.

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