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| Name | Class |
|---|---|
| World Cancer Research Fund International | OTHER |
| Institut Català d'Oncologia | OTHER |
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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.
The single-arm intervention will consist of a multimodal weight management program, including a personalized hypocaloric and high-protein diet combined with a supervised exercise home-program and behavioural support. Hypocaloric diet will be individualized according to their energy requirements estimated and then applying a 20% caloric restriction. In order to reduce body weight and maintain muscle mass, a high-protein diet will be provided consisting of 1.5 g of protein/kg/day.
Participants will be provided with a 3-day food record (3-DFR) chart prior to their baseline visit. After a full nutritional evaluation, the dietitian will create a diet plan unique to the participant. For those participants struggling to attain their recommended intake or anticipating protein intake to be challenging, an oral whey powder supplement will be provided for the duration of the study. Additional approaches to overcoming dietary challenges will include information/resources on nutritional symptom management that can impact dietary intake and/or high-protein recipes.
The exercise program will be based on supervised aerobic and resistance exercise home-based training sessions 3 times/week. The sessions will be 60 minutes long and will include 5 minutes of flexibility, followed by 25 minutes of aerobic exercises, 25 minutes of resistance exercises, and 5 minutes of balance exercises. The physiotherapist will supervise the sessions and will provide monthly individual face-to-face counselling to assure adherence to the protocol. The investigators have designed an individualized exercise program that fits the current patient's clinical situation. Each patient will receive a fitness tracker band to monitor his/her activity.
Behavioural support will include problem-solving strategies and practical tools to facilitate participants' self-control on emotional eating or stress-driven behaviours. Targeted behaviour goals will be set. A psychologist will provide technical support and training to the dietitian and the physiotherapist to improve their skills to provide behavioural changes and motivation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cancer patients with obesity with active curative treatment | Experimental | Fifty adult cancer patients with obesity (BMI ≥30 kg/m²) newly diagnosed with stage II-IV solid tumors undergoing curative-intent treatment. Participants will receive a multimodal weight management program combining dietary intervention, physicial activity and behavioral support. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Multimodal weight management program | Behavioral | This intervention consists of three components:
|
| Measure | Description | Time Frame |
|---|---|---|
| Accrual | 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. | From baseline to end of cancer treatment (3 to 9 months) |
| Retention | 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. | From baseline to end of cancer treatment (3 to 9 months) |
| Fidelity of the programme delivery | 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). | From baseline to end of cancer treatment (3 to 9 months) |
| Nutritional adherence | 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. | From baseline to end of cancer treatment (3 to 9 months) |
| Physical activity adherence | Feasibility based on physical activity adherence will be assessed through physiotherapist evaluations and wearable device tracking. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Body Weight and Body Composition | Assessed by bioelectrical impedance analysis (BIA, InBody S10) at each dietetic visit. Measures include total weight change (kg), fat mass (kg), and preservation of muscle mass. In patients with available imaging, body composition will be analyzed using CT scan at the L3 vertebral level. | Baseline to end of treatment (approx. 3 to 9 months) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Lorena Arribas | Contact | +34932607751 | larribas@iconcologia.net | |
| Marta Puig | Contact | +34932607751 | mpuig@iconcologia.net |
| Name | Affiliation | Role |
|---|---|---|
| Lorena Arribas, PhD, MsC, RD | Catalan Institute of Oncology (ICO-Hospitalet). Bellvitge Biomedical Research Institute (IDIBELL) | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institut Català d'Oncologia. Catalan Institute of Oncology | Recruiting | L'Hospitalet de Llobregat | Barcelona | 08908 | Spain |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 42343485 | Derived | Llenas-Blade A, Puig Figueras M, Padilla Padilla C, Esteve A, Zamora-Ros R, Daura I Vidal M, Ochoa-Arnedo C, Pernas S, Santos Vivas C, Brenes J, Jimenez-Colomo L, Asiain L, Nadal E, Arribas L. Weight management in obese cancer patients during curative active treatment: protocol for the CANOBESE feasibility study. Pilot Feasibility Stud. 2026 Jun 24. doi: 10.1186/s40814-026-01868-w. Online ahead of print. |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| D009369 | Neoplasms |
| D015431 | Weight Loss |
| D009043 | Motor Activity |
| D010349 | Patient Compliance |
| D010352 | Patient Dropouts |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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Single-arm intervention study designed to assess feasibility, accrual rate, retention, compliance and safety of a multimodal weight management program in obese cancer patients undergoing curative treatment.
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| From baseline to end of cancer treatment (3 to 9 months) |
| Ocurrance of any serious or life-threatening adverse events (Safety) | 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. | Throughout the study period (from baseline to end of intervention, 3 to 9 months) |
| Change in Eating Self-Efficacy | Eating self-efficacy will be assessed using the scenario-based Dieting Self-Efficacy Scale (DIET-SE), consisting of 11 items evaluating confidence in managing challenges to dietary self-control. Responses to each item are assessed on a Likert-type rating scale ranging from 0 (not at all confident) to 4 (very con-fident). | Baseline to the end of intervention (approx. 3 to 9 months) |
| Change in physical activity self-efficacy | Exercise self-efficacy will be assessed using the modified Physical Activity Self-Efficacy Scale. A five-point Likert scale ranging from not at all confident (1) to very confident (5) will be used, higher scores indicating greater self-efficacy. Assessments will be conducted at baseline and at the end of the intervention. | Baseline to the end of intervention (approx. 3 to 9 months) |
| Change in Autonomous Motivation | Autonomous motivation will be assessed using an adapted and abbreviated version of the Treatment Self-Regulation Questionnaire (TSRQ). This scale includes four items rated on a 5-point Likert scale ranging from 1 ("not at all true") to 5 ("very true"). Higher scores indicate greater autonomous motivation toward behavior change. One-to-one psychological support may be offered to participants with low scores to enhance engagement. | Baseline to the end of intervention (approx. 3 to 9 months) |
| Modified Glasgow Prognostic Score | Serum albumin and C-reactive protein levels will be used to calculate the Modified Glasgow Prognostic Score (mGPS) as a measure of systemic inflammation. Blood samples will be collected at baseline and at the end of the intervention, coinciding with routine clinical assessments. | Baseline and end of treatment (3 to 9 months) |
| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001836 | Body Weight Changes |
| D001519 | Behavior |
| D010342 | Patient Acceptance of Health Care |
| D000074822 | Treatment Adherence and Compliance |
| D015438 | Health Behavior |