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Published on: February 12, 2017
Treatment of small cell lung carcinoma in the elderly
1Department of Medicine, Sir Mortimer B. Davis-Jewish General Hospital, McGill University, Montreal, Canada.
Background:
The number of elderly people with small cell lung carcinoma (SCLC) is increasing and currently nearly 25% are older than 70 years. Elderly patients may not tolerate intensive therapy and, therefore, often do not receive such treatment. Additionally, age may be an independent predictor for response and survival. We compared the investigation, staging procedure, and management of patients less than 60 years, 60 to 69, and older than 70 years who were diagnosed with SCLC between 1985 and 1991. We hypothesized that elderly patients were investigated and treated less aggressively, and that their outcome was poorer than that of younger patients with SCLC.
Methods:
Information on weight loss, performance status, coexisting disease, staging investigations, and treatment was recorded. Treatment was categorized as optimal or suboptimal using predetermined criteria, and correlated with patient age. Toxicity grade, response to treatment, and survival were noted.
Results:
There were no differences among the 3 age groups with respect to disease stage, and weight loss, although poorer performance status and comorbidity were more common in those patients older than 70 years. Elderly patients were investigated and treated less aggressively than the 2 younger patient groups. The oldest group received smaller chemotherapy dosage, fewer cycles, and had more dose reductions compared to the younger patients. Only 1 of 81 elderly patients was enrolled on an experimental protocol as compared with 19% and 28% of the younger patient groups. Furthermore, elderly patients had the highest frequency of supportive care alone. There was a significant relationship between advanced age and suboptimal treatment, with those older than 70 years having an odds ratio (OR) of 0.30 (95% confidence interval (CI) 0.15-0.61), for having received optimal treatment. Despite this, survival was similar for younger and older groups of patients (OR 0.89, CI 0.6-1.3).
Conclusions:
Elderly patients had poorer pre-treatment performance status, greater comorbidity, were more likely to have suboptimal therapy and were almost never entered into clinical trials. Despite this their survival did not differ from that of younger patients with SCLC. Randomized trials of treatment, with assessment of quality of life, are necessary to determine the effect of modified regimens for elderly patients with SCLC.
