Clinical trial
Weight Management in Obese Cancer Patients During Curative Active Treatment
Recruiting now · Not applicable · 1 countries · Registry ID NCT07058207
What this study is about
This is a feasibility study intervention to fifty cancer patients with obesity and with newly diagnosed stage II-IV solid tumors undergoing curative treatment recruited at the Catalan Institute of Oncology (ICO) in L'Hospitalet, Spain. The investigators hypothesize that weight management during cancer treatment could enhance health outcomes for this population. The feasibility of a multimodal weight loss management program will be assesses, including a personalized hypocaloric and high-protein diet combined with a supervised exercise home-program and behavioural support.
Basic eligibility
Full registry criteria
Treatments and study arms
Multimodal weight management program
This intervention consists of three components: * Nutritional Counseling: * A personalized hypocaloric and high-protein diet is prescribed, based on individual energy requirements with a 20% caloric reduction. * The protein intake target is 1.5 g/kg/day to promote fat loss while maintaining muscle mass. * Exercise Program * Home-based, supervised aerobic and resistance training sessions conducted 3 times per week. * Each 60-minute session includes: 5 minutes flexibility, 25 minutes aerobic training, 25 minutes resistance training, and 5 minutes balance exercises. * Behavioral Support * Patients receive training in problem-solving strategies, motivation, and emotional self-regulation to improve adherence to both dietary and exercise goals. * Health professionals delivering the intervention are trained in behavior change techniques by a clinical psychologist.
Primary outcomes
Feasibility will be evaluated based on participant accrual, measured by the weekly enrollment rate and the total duration required to achieve the target sample size.
Feasibility will be assessed based on participant retention, monitored through attendance records signed at each visit. Investigators will calculate the retention rate, dropout rate, time to dropout, and reasons for discontinuation.
Feasibility based on fidelity of the intervention will be assessed using a patient-completed checklist after each dietetic and physiotherapy session. Items will be scored as: +1: session content delivered as intended, 0: content omitted, -1: content delivered in a way that deviates from protocol. Fidelity scores will be aggregated, and if overall fidelity drops below 80%, retraining may be considered. Additionally, patients will complete a final evaluation form at the end of the program assessing intervention load, frequency, delivery format, behavioral support, and perceived value (e.g., effort, satisfaction, willingness to repeat).
Feasibility based on adherence will be evaluated using a 24-hour dietary recall to assess energy and protein intake. At the end of the intervention period, dietary adherence will also be defined as a 10-20% reduction in baseline calorie intake, along with maintenance or an increase in protein intake.
Feasibility based on physical activity adherence will be assessed through physiotherapist evaluations and wearable device tracking.
Safety will be evaluated by monitoring the occurrence of any serious or life-threatening adverse events that may be attributable to the intervention. Specifically, investigators will record physical or cardiac events resulting in overnight hospitalization. The clinical team will assess and document whether each event is related to the dietary, exercise, or behavioral components of the intervention.
Study locations
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