Tokyo, Sept. 24 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000063011) titled 'Multicenter retrospective study of carbon-ion re-irradiation for recurrent or secondary lung cancer after radiotherapy' on Sept. 24.

Study Type: Observational

Primary Sponsor: Institute - Osaka Heavy Ion Center

Condition: Condition - Primary lung cancer (Locoregional recurrence, pulmonary metastasis, or secondary lung cancer after radiotherapy) Classification by malignancy - Malignancy Genomic information - NO

Objective: Narrative objectives1 - To retrospectively evaluate the safety (specifically severe radiation pneumonitis) and efficacy (overall survival, local control rate) of carbon-ion re-irradiation for re...