Proton or Photon RT for Retroperitoneal Sarcomas

ClinicalTrials.gov ID: NCT01659203

Public ClinicalTrials.gov record NCT01659203. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced May 19, 2026, 12:03 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase I/II Trial of Pre-Operative Image Guided Intensity Modulated Proton Radiation Therapy (IMPT) or Photon (IMRT) With Simultaneously Integrated Boost to the High Risk Margin for Retroperitoneal Sarcomas

Study identification

NCT ID: NCT01659203
Recruitment status: Recruiting
Study type: Interventional
Phase: Phase 1, Phase 2
Lead sponsor: Massachusetts General Hospital; Other
Enrollment: 80 participants

Conditions and interventions

Conditions

Retroperitoneal Sarcoma

Interventions

IG IMRT Radiation
IG-IMPT Radiation

Radiation

Eligibility (public fields only)

Age range: 18 Years and older
Sex: All
Healthy volunteers: Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Nov 30, 2012
Primary completion: Jun 29, 2027
Completion: Dec 30, 2027
Last update posted: Mar 18, 2026

2012 – 2027

United States locations

U.S. sites: 10
U.S. states: 8
U.S. cities: 9

Facility	City	State	ZIP	Site status
Rush University Medical Center	Chicago	Illinois	60612	Recruiting
Massachusetts General Hospital	Boston	Massachusetts	02114	Recruiting
Dana-Farber Cancer Institute	Boston	Massachusetts	02115	Recruiting
Mayo Clinic	Rochester	Minnesota	55902	Recruiting
Washington University School of Medicine Siteman Cancer Center West County	Creve Coeur	Missouri	63141	Recruiting
Washington University School of Medicine Siteman Cancer Center South County	St Louis	Missouri	63129	Recruiting
Roswell Park Cancer Institute	Buffalo	New York	14263	Recruiting
Duke University	Durham	North Carolina	27710	Recruiting
MD Anderson Cancer Center	Houston	Texas	77030	Recruiting
University of Utah	Salt Lake City	Utah	84112	Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT01659203, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted Mar 18, 2026 · Synced May 19, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01659203 live on ClinicalTrials.gov.

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