# CTV Exploration of 3D-PT Assisted CT-guided I-125 Seeds Implantation for Recurrent Rectal Cancer

> **NCT04710589** · — · UNKNOWN · sponsor: **Peking University Third Hospital** · enrollment: 60 (estimated)

## Conditions studied

- Recurrent Rectal Cancer
- 125I Seeds Implantation
- Clinical Target Volume

## Interventions

- **RADIATION:** CTV

## Key facts

- **NCT ID:** NCT04710589
- **Lead sponsor:** Peking University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-01-01
- **Primary completion:** 2022-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2021-01-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04710589

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04710589, "CTV Exploration of 3D-PT Assisted CT-guided I-125 Seeds Implantation for Recurrent Rectal Cancer". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04710589. Licensed CC0.

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