# The Physical Dosimetry Study and Preliminary Clinical Results of 3D-printing Non Co-planar Template Assisted With CT-guidance for Iodine-125 Seed Brachytherapy in Pelvic Recurrent Rectum Carcinoma After Surgery and External Beam Radiotherapy

> **NCT03890926** · — · COMPLETED · sponsor: **Peking University Third Hospital** · enrollment: 66 (actual)

## Conditions studied

- Rectum Cancer, Recurrent
- Brachytherapy, Radioisotope

## Interventions

- **RADIATION:** radioactive Iodine-125 seed implantation under the guidance of 3D template

## Key facts

- **NCT ID:** NCT03890926
- **Lead sponsor:** Peking University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2015-12
- **Primary completion:** 2019-02
- **Final completion:** 2019-02
- **Target enrollment:** 66 (ACTUAL)
- **Last updated:** 2019-03-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03890926

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03890926, "The Physical Dosimetry Study and Preliminary Clinical Results of 3D-printing Non Co-planar Template Assisted With CT-guidance for Iodine-125 Seed Brachytherapy in Pelvic Recurrent Rectum Carcinoma After Surgery and External Beam Radiotherapy". Retrieved via AI Analytics 2026-07-06 from https://api.ai-analytics.org/clinical/NCT03890926. Licensed CC0.

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