A Study on Optimizing Setup Margins in Carbon Ion Radiotherapy

JRCT ID: jRCT1030230122

Registered date:08/06/2023

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Lung cancer, prostate cancer, liver cancer, breast cancer, kidney cancer
• Date of first enrollment: 01/06/2023
• Target sample size: 750
• Study type: Observational

Outcome(s)

• Primary Outcome: Systematically organize the deviations and trends in marker positions for each treated organ, pre-treatment, and irradiated body position, and determine the setup margin for each condition.

Key inclusion & exclusion criteria

• Age minimum: Not applicable
• Age maximum: Not applicable
• Include criteria: Patients treated with Carbon-ion radiotherapy for lung, prostate, liver, breast, and kidney at QST Hospital between March 2020 and February 2023 after gold marker insertion are eligible.

Exclude criteria

1. Patients whose gold marker location information is not stored.
2. Patients who have requested to refuse the use of their information for this study.

Related Information

• Primary Sponsor: Okonogi Noriyuki