Abstract
Background: Adjuvant chemotherapy has become the standard form of treatment for all patients with stage III colorectal cancer and is also recommended for patients with stage II disease and defined risk factors. However, clinical studies that evaluate the effect of adjuvant treatment regimens have a selection bias in favor of younger patients, so that even retrospective subgroup analyses cannot define the best therapeutic procedure in elderly patients with comorbidities. Summary: As long as the role of adjuvant chemotherapy in elderly colorectal cancer patients is not investigated in comprehensive trials, no clear recommendations are possible. Key Message: An exploratory review of the relevant literature revealed that a formal meta-analysis concerning adjuvant chemotherapy in elderly patients with colorectal cancer is not feasible due to varying definitions of elderly patients, inclusion and exclusion criteria, and a plethora of chemotherapeutic regimens. Practical Implications: Given the high incidence of colorectal cancer and the median age of 68 years for patients at the time of diagnosis, health economic considerations should promote randomized controlled trials regarding the role of adjuvant chemotherapy in the elderly.
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