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ClinicalTrials.gov public records Last synced Oct 2, 2026, 1:04 PM EDT

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Showing 25–48 of 155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton beam radiotherapy (PBRT) Clear all
Recruiting Phase 2 Interventional

Treatment of Newly Diagnosed Patient's With Wilm's Tumor Requiring Abdominal Radiation Delivered With Proton Beam Irradiation

NCT04968990
View directory record Official record
Conditions
Wilms Tumor
Interventions
Proton Beam Radiation (PBRT), DD-4A Chemotherapy Regimen, Complete Surgical Resection, Surgical Resection, Partial Nephrectomy
Device · Drug · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2036
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional

Hypofractionated Proton Therapy for Benign Intracranial Brain Tumors, the HiPPI Study

NCT04278118
View directory record Official record
Conditions
Grade I Meningioma, Grade II Meningioma, Grade III Meningioma, Intracranial Neoplasm, Nerve Sheath Neoplasm, Pituitary Gland Adenoma, Schwannoma
Interventions
Hypofractionated Radiation Therapy, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2031
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 2 Interventional

Major De-escalation to 30 Gy for Select Human Papillomavirus Associated Oropharyngeal Carcinoma

NCT03323463
View directory record Official record
Conditions
HPV-Associated Oropharyngeal Squamous Cell Carcinoma, Squamous Cell Carcinoma of the Neck
Interventions
F-FMISO PET/CT Scan, 30 Gy over 3 weeks, Cisplatin, Carboplatin, 5Fluorouracil, Proton Therapy
Diagnostic Test · Radiation · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
10
States / cities
Hartford, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Not listed No phase listed Observational

Quality of Life Study for Prostate Cancer Patients

NCT00561444
View directory record Official record
Conditions
Prostate Cancer
Interventions
Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
1,051 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2020
U.S. locations
3
States / cities
Voorhees Township, New Jersey • Albuquerque, New Mexico • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 14, 2020 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Not applicable Interventional

Ultrahypofractionation and Normal Tissue Toxicity

NCT05912231
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Breast Cancer Stage II, Breast Cancer Stage III, Myocardial Fibrosis
Interventions
Accelerated Proton Beam Radiation Therapy (PBT), Accelerated Photon Radiation Therapy (XRT)
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 2, 2026, 1:04 PM EDT
Terminated Not applicable Interventional Results available

Stem Cell Radiotherapy and Temozolomide for Newly Diagnosed High-grade Glioma

NCT02039778
View directory record Official record
Conditions
Glioblastoma, Malignant Glioma, Brain Tumors, Anaplastic Astrocytoma
Interventions
Stem Cell Radiotherapy (ScRT) and Temozolomide
Radiation
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Phase 1 Interventional

Atovaquone Combined With Radiation in Children With Malignant Brain Tumors

NCT06624371
View directory record Official record
Conditions
High-grade Glioma, Medulloblastoma, Diffuse Intrinsic Pontine Glioma, Diffuse Midline Glioma, H3 K27M-Mutant
Interventions
Atovaquone, Radiation Therapy
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
2 Years to 25 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Image-Guided, Intensity-Modulated Photon or Proton Beam Radiation Therapy in Treating Patients With Stage II-IIIB Non-small Cell Lung Cancer

NCT01629498
View directory record Official record
Conditions
Recurrent Lung Non-Small Cell Carcinoma, Stage II Non-Small Cell Lung Cancer AJCC v7, Stage IIA Non-Small Cell Lung Carcinoma AJCC v7, Stage IIB Non-Small Cell Lung Carcinoma AJCC v7, Stage IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Lung Non-Small Cell Cancer AJCC v7
Interventions
Image Guided Radiation Therapy, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Questionnaire Administration
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Early Phase 1 Interventional

Concurrent Chemoradiation + 5-FU + Mitomycin-C in Anal Carcinoma

NCT01858025
View directory record Official record
Conditions
Carcinoma of the Anal Canal
Interventions
Pencil Beam scanning Radiation, 5-fluorouracil, Mitomycin-C
Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Withdrawn Not applicable Interventional

Proton Therapy for High Risk Prostate Cancer

NCT01811810
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radiation therapy (XRT), Androgen Deprivation Therapy (ADT), Chemotherapy
Radiation · Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 3 Interventional

Phase III Study of 5tx vs 15tx of RT (X-rays or Protons) Including RNI in Breast Cancer Patients

NCT04443413
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8
Interventions
Proton Beam Radiation Therapy, Questionnaire Administration, X-ray Therapy
Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Phase 3 Interventional

Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

NCT05856773
View directory record Official record
Conditions
Breast Cancer
Interventions
Proton Therapy
Radiation
Lead sponsor
Proton Collaborative Group
Network
Eligibility
19 Years and older · Female only
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2041
U.S. locations
9
States / cities
Scottsdale, Arizona • San Diego, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Results available

Radiation w/FOLFIRINOX-Losartan for Pancreatic Cancer

NCT01821729
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
FOLFIRINOX, Losartan, Proton Beam Radiation
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 2 Interventional

Hypofractionated Proton Beam Therapy for Localized Prostate Cancer

NCT01950351
View directory record Official record
Conditions
Stage I Prostate Adenocarcinoma AJCC v7, Stage II Prostate Adenocarcinoma AJCC v7
Interventions
Laboratory Biomarker Analysis, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Other · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Phase 2 Interventional

Risk-adapted Therapy in HPV+ Oropharyngeal Cancer Using Circulating Tumor (ct)HPV DNA Profile - The ReACT Study

NCT04900623
View directory record Official record
Conditions
HPV-Associated Oropharyngeal Squamous Cell Carcinoma, HPV Positive Oropharyngeal Squamous Cell Carcinoma, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Stage, HPV-Related Squamous Cell Carcinoma, Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Clinical Stage, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Pathologic Stage
Interventions
NavDx HPV ctDNA Testing, Radiotherapy, Chemotherapy drug
Device · Radiation · Drug
Lead sponsor
Jonathan Schoenfeld, MD, MPH
Other
Eligibility
22 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

External Beam Radiation With or Without Chemotherapy to Treat High Risk Prostate Cancer

NCT01603420
View directory record Official record
Conditions
Prostate Cancer
Interventions
Luteinizing hormone-releasing hormone (LHRH), Docetaxel, Conformal Radiation Therapy (RT)
Drug · Other
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years to 75 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Warrenville, Illinois • Oklahoma City, Oklahoma • Hampton, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Risk-Adapted Therapy for Young Children With Embryonal Brain Tumors, Choroid Plexus Carcinoma, High Grade Glioma or Ependymoma

NCT00602667
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
Induction Chemotherapy, Low-Risk Therapy, High-Risk Therapy, Intermediate-Risk Therapy
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 5 Years
Enrollment
293 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2029
U.S. locations
5
States / cities
Palo Alto, California • San Diego, California • Saint Paul, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional

Proton Radiation for Resectable Carcinoma of the Pancreas

NCT00763516
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton radiation and chemotherapy
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Not applicable Interventional

Proton Craniospinal Irradiation With Bone Sparing to Decrease Growth Decrement From Radiation

NCT03281889
View directory record Official record
Conditions
Brain Tumor
Interventions
Proton Beam
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
3 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Phase 2 Interventional

A Study of Lower Radiotherapy Dose to Treat Children With CNS Germinoma

NCT06368817
View directory record Official record
Conditions
Basal Ganglia Germinoma, Diabetes Insipidus, Germinoma, Pineal Region Germinoma, Suprasellar Germinoma, Thalamic Germinoma
Interventions
3-Dimensional Conformal Proton Radiation Therapy, 3-Dimensional Conformal Radiation Therapy, Biospecimen Collection, Carboplatin, Etoposide, Intensity-Modulated Proton Therapy, Intensity-Modulated Radiation Therapy, Lumbar Puncture, Magnetic Resonance Imaging, Questionnaire Administration, Surgical Procedure
Radiation · Procedure · Drug + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
3 Years to 29 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
97
States / cities
Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Recruiting Phase 2 Interventional

PROton Therapy for Post Surgical Treatment of GYNecologic Cancer

NCT05758688
View directory record Official record
Conditions
Cervical Cancer, Uterine Cancer, Endometrial Cancer
Interventions
Whole Pelvis (WP) Pencil Beam Scanning Proton Radiation (PBS PRT)
Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Voorhees Township, New Jersey • Lancaster, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Terminated Not applicable Interventional Results available

Proton Beam Therapy in the Treatment of Esophageal Cancer

NCT03482791
View directory record Official record
Conditions
Esophagus Cancer, Esophageal Cancer, Cancer of the Esophagus
Interventions
Proton beam therapy, Patient-Reported Outcome Measures
Radiation · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 2, 2026, 1:04 PM EDT
Active, not recruiting Phase 1 Interventional

Radioligand Therapy After PSMA PET Guided External Beam Radiotherapy for Treating Post-Prostatectomy Patients With Biochemically Recurrent Prostate Cancer

NCT06105918
View directory record Official record
Conditions
Biochemically Recurrent Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Biospecimen Collection, Computed Tomography, External Beam Radiation Therapy, Flotufolastat F-18, Lutetium Lu 177 PSMA-10.1, Positron Emission Tomography, Single Photon Emission Computed Tomography
Procedure · Radiation · Other + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Results available

Proton Radiation Therapy for Invasive Breast Cancer Following Mastectomy

NCT01340495
View directory record Official record
Conditions
Invasive Breast Cancer
Interventions
Proton Radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 2, 2026, 1:04 PM EDT