# Neoadjuvant Short-course Hypofractionated PBT for Non-metastatic RPS

> **NCT05302570** · PHASE2 · WITHDRAWN · sponsor: **Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins**

## Conditions studied

- Retroperitoneal Sarcoma

## Interventions

- **RADIATION:** Hypofractionated Proton Beam Therapy

## Key facts

- **NCT ID:** NCT05302570
- **Lead sponsor:** Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-12
- **Primary completion:** 2025-12
- **Final completion:** 2027-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** withdrawn by PI
- **Last updated:** 2022-12-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05302570

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05302570, "Neoadjuvant Short-course Hypofractionated PBT for Non-metastatic RPS". Retrieved via AI Analytics 2026-06-13 from https://api.ai-analytics.org/clinical/NCT05302570. Licensed CC0.

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