Impact of adjuvant therapy toxicity on quality of life and emotional symptoms in patients with colon cancer: a latent class analysis.

Clin Transl Oncol

Department of Medical Oncology, Hospital Universitario Central de Asturias, ISPA, University of Pais Vasco, Pais Vasco, Avenida Roma sn, 33011, Oviedo, Spain.

Published: March 2021

Objective: To identify distinct trajectories of toxicity in colorectal cancer (CRC) patients after adjuvant chemotherapy and its impact on quality of life (QoL) and psychological symptoms.

Methods: A prospective, multicenter study was conducted in 157 patients. A latent class analysis defined the unobserved latent constructs that can be predicted as symptom clusters, considering the intensity of four types of adverse events (AEs). Patients completed EORTC-QLQ-C30, BSI-18, PDRQ-9, and DRS scales.

Results: Ninety-six percent had some degree of toxicity, with grades 3-4 being the most common: neurotoxicity (7.2%), hematological (13.1%), digestive (5.2%), and skin toxicity (1.4%). Three distinct latent classes were identified (high [72.5%], mild [16.9%], and low [10.6%] toxicity). Patients with high toxicity had the worst QoL scores and moderately high somatization and psychological distress scores.

Conclusions: Adjuvant chemotherapy for CRC was associated with frequent toxicity that negatively impacted QoL and psychological wellbeing.

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Source
http://dx.doi.org/10.1007/s12094-020-02454-zDOI Listing

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