# Trial of Neoadjuvant Intensity-Modulated Radiation Therapy Followed by Surgery and Intraoperative Radiation Therapy in Resectable Retroperitoneal Soft Tissue Sarcoma (RETRO-WTS)

> **NCT01566123** · PHASE1,PHASE2 · COMPLETED · sponsor: **University Hospital Heidelberg** · enrollment: 37 (estimated)

## Conditions studied

- Retroperitoneal Soft Tissue Sarcoma

## Interventions

- **RADIATION:** Neoadjuvant intensity-modulated radiation therapy (IMRT)
- **RADIATION:** intraoperative radiation therapy (IORT)

## Key facts

- **NCT ID:** NCT01566123
- **Lead sponsor:** University Hospital Heidelberg
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-03
- **Primary completion:** 2020-01
- **Final completion:** 2020-02
- **Target enrollment:** 37 (ESTIMATED)
- **Last updated:** 2020-04-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01566123

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01566123, "Trial of Neoadjuvant Intensity-Modulated Radiation Therapy Followed by Surgery and Intraoperative Radiation Therapy in Resectable Retroperitoneal Soft Tissue Sarcoma (RETRO-WTS)". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01566123. Licensed CC0.

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