Clinical trialNCT01696721RecruitingObservational

Proton and Photon Consortium Registry (PPCR): A Multi Center Registry of Pediatric Patients Treated With Radiation Therapy

SponsorMassachusetts General HospitalEnrollment5,000Pediatric Patients Treated With Radiation Therapy

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Torunn I Yock, MD
Massachusetts General Hospital
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

26 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Australia

Royal Adelaide Hospital
Adelaide, South Australia, Australia
Hien Le, A/Prof
Recruiting

Canada

University Health Network - Princess Margaret Hospital
Toronto, Ontario, Canada
Derek Tsang, MD
Recruiting

United States

Stanford University
Palo Alto, California, United States
Susan Hiniker, MD
Recruiting
California Protons Cancer Therapy Center
San Diego, California, United States
Iain MacEwan, MD
Recruiting
University of California San Francisco
San Francisco, California, United States
Steve Braunstein, MD
Recruiting
University of Florida Health Proton Therapy Institute
Jacksonville, Florida, United States
Daniel Indelicato, MD
Recruiting
Emory University
Atlanta, Georgia, United States
Bree Eaton, MD
Recruiting
Northwestern Medicine Chicago Proton Center
Warrenville, Illinois, United States
Stephen Mihalcik, MD
Recruiting
Maryland Proton Treatment Center
Baltimore, Maryland, United States
Young Kwok, MD
Recruiting
Massachusetts General Hospital
Boston, Massachusetts, United States
Torunn I Yock, MD
Recruiting
Mayo Clinic
Rochester, Minnesota, United States
Nadia Laack, MD
Recruiting
Washington University
St Louis, Missouri, United States
Stephanie Perkins, MD
Recruiting
Procure Proton Therapy Center- New Jersey
Somerset, New Jersey, United States
Suzanne Wolden, MD
Recruiting
New York Proton Center
New York, New York, United States
Suzanne Wolden, MD
Recruiting
State University of New York Upstate Medical Center
Syracuse, New York, United States
Paul Aridgides, MD
Recruiting
University of North Carolina
Chapel Hill, North Carolina, United States
Dana Casey, MD
Recruiting
the Ohio State University
Columbus, Ohio, United States
Joshua Palmer, MD
Recruiting
Cincinnati Children'S Proton Therapy Center
Liberty Township, Ohio, United States
John Perentesis, MD
Recruiting
Oklahoma Proton Center
Oklahoma City, Oklahoma, United States
John H Chang, MD
Recruiting
Procure Proton Therapy Center- Oklahoma
Oklahoma City, Oklahoma, United States
Jae Y Lee, MD, PhD
Recruiting
University of Pennsylvania - Roberts Proton Therapy Center
Philadelphia, Pennsylvania, United States
Christine Hill-Kayser, MD
Recruiting
Provision Center for Proton Therapy
Knoxville, Tennessee, United States
Active, not recruiting
Md Anderson Cancer Center
Houston, Texas, United States
Arnold Paulino, MD
Recruiting
Texas Center for Proton Therapy
Irving, Texas, United States
Victor Mangona, MD
Recruiting
University of Utah
Salt Lake City, Utah, United States
Matthew Poppe, MD
Recruiting
University of Washington- Seattle Cancer Care Alliance
Seattle, Washington, United States
Ralph Ermoian, MD
Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Jul 2012
Primary completion: 31 Dec 2028
Completion: 31 Dec 2028
Last update posted: 14 May 2026
Registered enrollment: 5,000
Registry id: NCT01696721

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.