Observational studyHealth and quality of life outcomes2025
Does adjuvant chemotherapy result in poorer health-related quality of life among colorectal cancer patients? A longitudinal multisite observational study in Singapore.
Observational study in Health and quality of life outcomes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundResearch on health-related quality of life (HRQOL) using minimally important differences for cancer care in Asian settings are sparse. This study aimed to describe functional HRQOL trajectories among Colorectal Cancer (CRC) patients undergoing adjuvant chemotherapy (AC) compared to those who did not (No AC), evaluate if AC was associated with change in HRQOL prospectively, and examine QOL differences between elderly and non-elderly CRC patients requiring AC.
methodsCRC patients diagnosed between February 2018 to August 2021 were recruited from three Singapore public hospitals. Participants completed the EORTC QLQ-C30 over seven timepoints (diagnosis, predischarge, 1-, 3-, 6-, 9-, 12-months post-surgery). Clinical characteristics were collected from electronic medical records.
resultsThe sample comprised 251 participants (102 in AC group; 40.64%). Clinically relevant deteriorations in functional HRQOL were observed in both groups between baseline and predischarge. These returned to baseline by 12-month. AC was associated with poorer physical (β = -35.34, p < 0.05) and role functioning (β = -71.17, p < 0.05) over time. Being elderly was associated with poorer physical functioning (β = -0.44, p < 0.05) over time. However, the non-elderly AC subgroup tended to experience poorer HRQOL in general compared to elderly.
conclusionsFunctional recovery remains a challenge for CRC patients in general. However, non-elderly AC patients may experience more severe impacts to role and social functioning.
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