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NCT07354971

IMMUNO-FIT Observational Study

Sponsor: University Hospital Southampton NHS Foundation Trust

View on ClinicalTrials.gov

Summary

This observational study will investigate how immunotherapy affects physical fitness, quality of life, and treatment tolerance in adults with solid cancers. Immunotherapy can cause a range of side effects that impact daily functioning and may lead to treatment delays or early discontinuation. Physical fitness may influence how well patients cope with treatment, yet little is known about how fitness changes during immunotherapy or whether baseline fitness is linked to outcomes. Participants will complete fitness testing using cardiopulmonary exercise testing (CPET) and quality-of-life questionnaires before starting immunotherapy and again 12 weeks later. Blood samples will also be taken, and long-term outcomes including survival, disease progression, and quality of life will be followed for up to 24 months. All cancer treatment will remain standard of care. A small number of participants will be invited to take part in an optional research biopsy at week 12 to explore how physical fitness relates to changes in the tumour's immune environment. The study will help researchers understand natural changes in fitness during immunotherapy, identify whether baseline fitness is associated with treatment tolerance or outcomes, and generate information needed to design future trials testing exercise-based interventions during immunotherapy.

Official title: The Immuno-FIT Observational Study: A Phase II Window Observational Study Investigating the Effects of Immunotherapy on Cardiopulmonary Fitness, Quality of Life, and Treatment Outcomes in Patients With Advanced Cancer

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

OBSERVATIONAL

Enrollment

Start Date

2026-02-01

Completion Date

2028-12-31

Last Updated

2026-01-21

Healthy Volunteers

Conditions

Neoplasms Immunotherapy Physical Fitness Quality of Life Drug-Related Side Effects and Adverse Reactions

Interventions

OTHER

Observational Study - No Study Intervention

This is an observational study with no study-assigned interventions. All participants receive standard-of-care immunotherapy as prescribed by their treating oncologist. Immunotherapy may include anti-PD-1, anti-PD-L1, anti-CTLA-4 agents, or approved combination regimens. All doses, schedules, treatment modifications, delays, and discontinuations follow routine clinical practice and manufacturer guidance. Treatment decisions are made independently of the study. The study observes and records treatment administration, effects on fitness and quality of life, adverse events, and clinical outcomes without influencing clinical care.

Inclusion Criteria: * Age ≥18 years * Histologically confirmed solid malignancy * Receiving immune checkpoint inhibitors in one of the following settings: * Adjuvant: Single-agent anti-PD-1, anti-PD-L1, or anti-CTLA-4 * Metastatic/Palliative: Single-agent or dual-agent anti-PD-1, anti-PD-L1, or anti-CTLA-4 * ECOG Performance Status 0-2 * Able to perform cardiopulmonary exercise testing * Able to provide written informed consent * Willing and able to comply with study procedures and follow-up schedule Exclusion Criteria: * Age \<18 years * Prior systemic anti-cancer immunotherapy for unresectable or metastatic disease, EXCEPT: * Prior adjuvant or neoadjuvant immunotherapy if all treatment-related adverse events have returned to baseline or stabilized * Prior anti-PD-1, anti-PD-L1, or anti-CTLA-4 therapy with at least 6 months since last dose and date of disease recurrence * Absolute contraindications to cardiopulmonary exercise testing: * Acute myocardial infarction within 6 weeks * Unstable angina * Uncontrolled cardiac arrhythmias causing symptoms or hemodynamic compromise * Active endocarditis * Symptomatic severe aortic stenosis * Uncontrolled heart failure * Acute pulmonary embolism or pulmonary infarction * Acute myocarditis or pericarditis * Suspected or known dissecting aneurysm * Acute systemic infection * Inability to perform cardiopulmonary exercise testing (e.g., severe lower limb dysfunction, severe peripheral vascular disease) * Inability to provide informed consent * Currently enrolled in another interventional clinical trial that would confound study outcomes ADDITIONAL EXCLUSION CRITERIA FOR RESEARCH BIOPSY SUB-STUDY: * Severe cardiopulmonary disease precluding safe sedation (for endoscopic biopsies) * Suspected bowel obstruction or perforation (for gastrointestinal biopsies) * Uncorrectable severe coagulopathy (INR \>1.5, platelet count \<50,000/µL) * Severe portal hypertension with high-risk varices (for upper endoscopy) * Lesion inaccessible for safe biopsy as determined by a performing clinician

Locations (1)

University Hospital Southampton NHS Foundation Trust

Southampton, Hampshire, United Kingdom