Proton Radiation Therapy Registry
Public ClinicalTrials.gov record NCT04376229. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The Johns Hopkins Proton Therapy center is establishing a registry to capture the full 3D radiation dosimetry delivered to the patient, baseline clinical data, and disease, toxicity and quality of life outcomes. The goal is to have all patients treated at the proton center to be included in the registry to enable future comparisons of treatment outcomes to assist in understanding which patients can benefit from the use of protons.
Study identification
- NCT ID
- NCT04376229
- Recruitment status
- Recruiting
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 5,000 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 100 Years
- 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
- Apr 6, 2020
- Primary completion
- Nov 30, 2030
- Completion
- Nov 30, 2040
- Last update posted
- Jun 29, 2026
2020 – 2040
United States locations
- U.S. sites
- 4
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Sibley Memorial Hospital | Washington D.C. | District of Columbia | 20016 | Recruiting |
| Suburban Hospital | Washington D.C. | District of Columbia | 20814 | Recruiting |
| Bayview Hospital | Baltimore | Maryland | 21224 | Recruiting |
| Johns Hopkins Hospital | Baltimore | Maryland | 21287 | 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 NCT04376229, 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 Jun 29, 2026 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04376229 live on ClinicalTrials.gov.