Tokyo, June 24 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062019) titled 'Retrospective observational study on patient setup in carbon-ion radiotherapy for breast cancer' on June 23.

Study Type: Observational

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

Condition: Condition - Breast cancer Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - The objective of this study is to evaluate setup time as well as marker positional deviations and trends in breast cancer patients undergoing carbon-ion radiotherapy, based on patient anatomical characteristics, background factors, pre-treatment procedures...