Tokyo, Jan. 28 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000060481) titled 'Multicenter retrospective study to confirm the efficacy and safety of carbon ion radiotherapy for choroidal malignant melanoma' on Jan. 27.

Study Type: Observational

Primary Sponsor: Institute - National Institutes for Quantum Science and Technology (QST)

Condition: Condition - choroidal malignant melanoma Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To retrospectively assess the therapeutic efficacy and safety of carbon ion radiotherapy administered to patients with choroidal malignant melanoma, using clinical data collected across multiple institutions, a...