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, and irradiation positions, in order to determine optimal treatment positioning and margin settings.
Basic objectives2 - Others
Eligibility:
Age-lower limit - Not applicable
Age-upper limit - Not applicable
Gender - Male and Female
Key inclusion criteria - Breast cancer patients who underwent carbon-ion radiotherapy with metallic marker implantation between June 2017 and February 2024.
Key exclusion criteria - Patients for whom setup time or marker positional data were not recorded
Patients who declined the use of their information for this study
Target Size - 50
Recruitment Status:
Recruitment status - Enrolling by invitation
Date of protocol fixation - 2026 Year 05 Month 18 Day
Date of IRB - 2026 Year 06 Month 09 Day
Anticipated trial start date - 2026 Year 06 Month 23 Day
Last follow-up date - 2029 Year 03 Month 31 Day
To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070967
Disclaimer: Curated by HT Syndication.
