# Re-irradiation Therapy of Locally Recurrent Rectal Cancer With Carbon Ion

> **NCT05807984** · PHASE2 · NOT_YET_RECRUITING · sponsor: **Xin Cai** · enrollment: 31 (estimated)

## Conditions studied

- Rectal Cancer
- Recurrent

## Interventions

- **RADIATION:** Carbon ion radiation therapy DT: 74Gy/20 fractions

## Key facts

- **NCT ID:** NCT05807984
- **Lead sponsor:** Xin Cai
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2023-05-01
- **Primary completion:** 2025-12-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 31 (ESTIMATED)
- **Last updated:** 2023-04-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05807984

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05807984, "Re-irradiation Therapy of Locally Recurrent Rectal Cancer With Carbon Ion". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT05807984. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*