Health Effects of CArdiac FluoRoscopy and MOderN RadIotherapy in PediatriCs - Radiotherapy

The goal of the HARMONIC-RT study is to evaluate late health and social outcomes of contemporary techniques of external beam radiotherapy in paediatric patients, based on the setting-up of a European, long-term registry complemented by a biobank.

NCT Number	NCT04746729
Lead Sponsor	Institut National de la Santé Et de la Recherche Médicale, France Collaborators: Barcelona Institute for Global Health, The West German Proton Therapy Centre, Essen, Gustave Roussy, Cancer Campus, Grand Paris, Centre Francois Baclesse, KU Leuven, University of Aarhus, Princess Maxima Center for Pediatric Oncology, University Medical Center Groningen, Stockholm University, National Research Council, Institute of Clinical Physiology, Italy, University of Zurich, Commissariat A L'energie Atomique, Luxembourg Institute of Science and Technology, University Hospital, Essen, Aarhus University Hospital
Conditions	Neoplasms
Enrollment	2,670 participants
Start Date	2021-01-11
Primary Completion	2032-01-30 (estimated)
Study Completion	2042-01-02 (estimated)
Updated on ClinicalTrials.gov	2026-08-03