U.S., Jan. 22 -- ClinicalTrials.gov registry received information related to the study (NCT07354971) titled 'IMMUNO-FIT Observational Study' on Nov. 24, 2025.

Brief 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...