Arch Gerontol Geriatr. 2011 Sep 19.

Oxaliplatin-based chemotherapy in the treatment of elderly patients with metastatic colorectal cancer (CRC).

Berretta M, Zanet E, Nasti G, Lleshi A, Frustaci S, Fiorica F, Bearz A, Talamini R, Lestuzzi C, Lazzarini R, Fisichella R, Cannizzaro R, Iaffaioli RV, Berretta S, Tirelli U.

SourceDepartment of Medical Oncology, National Cancer Institute, IRCCS, Via Franco Gallini 2, I-33081 Aviano (PN), Italy.

Abstract
Elderly patients constitute a subpopulation with special clinical features that differ from those of the general population and are under-represented in clinical trials. We retrospectively analyzed the toxicity and efficacy of oxaliplatin-based chemotherapy in the treatment of elderly patients affected by metastatic (m) CRC. Seventy-five consecutive patients aged 65-75 years (median age 71 years), 51 males and 24 females, with mCRC and measurable disease, were analyzed. The primary site of metastases was the liver (38.6% of patients). The majority of patients had a performance status (PS) according to the Eastern Cooperative Oncology Group (ECOG) PS before treatment of 0-1 (96%). The overall response rate was 57.3%, median progression-free survival was 7 months and median overall survival was 27 months. The main hematological and extra-hematological toxicities (grade 3 or 4) were neutropenia (20.0%), and neurological toxicity or diarrhea (6.7%), respectively. No toxic death occurred. Oxaliplatin-based chemotherapy maintains its efficacy, and safety in elderly patients with mCRC and good PS. This regimen should be considered in the treatment of this particular setting of patients.

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