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ClinicalTrials.gov public records Last synced Sep 17, 2026, 5:37 AM EDT

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Showing 1–24 of 155 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Proton Beam Radiotherapy Clear all
Completed Phase 2 Interventional Results available

Bevacizumab With or Without Radiation Therapy in Treating Patients With Recurrent Glioblastoma

NCT01730950
View directory record Official record
Conditions
Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Recurrent Adult Brain Tumor
Interventions
bevacizumab, radiation therapy
Biological · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Walnut Creek, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Sep 17, 2026, 5:37 AM EDT
Completed Not applicable Interventional Results available

Proton Beam Re-Irradiation in Thoracic Cancers

NCT02204761
View directory record Official record
Conditions
Metastatic Malignant Neoplasm in the Lung, Recurrent Disease, Thoracic Neoplasm
Interventions
Proton Beam Radiation Therapy
Radiation
Lead sponsor
University of Washington
Other
Eligibility
19 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Sep 17, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

A Trial of 15 Fraction vs 25 Fraction Pencil Beam Scanning Proton Radiotherapy After Mastectomy in Patients Requiring Regional Nodal Irradiation

NCT02783690
View directory record Official record
Conditions
Breast Cancer
Interventions
Hypofractionation
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 17, 2026, 5:37 AM 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 17, 2026 · Synced Sep 17, 2026, 5:37 AM 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 19, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Completed No phase listed Observational

Registry for Proton Beam Radiation Therapy

NCT02040467
View directory record Official record
Conditions
Carcinoma
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
1,243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
5
States / cities
Orlando, Florida • St Louis, Missouri • New Brunswick, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Sep 17, 2026, 5:37 AM 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 18, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Proton Beam Therapy for Treatment of Hepatocellular Carcinoma

NCT00614913
View directory record Official record
Conditions
Liver Cancer, Hepatocellular Carcinoma
Interventions
Proton radiation therapy
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2009
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced Sep 17, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

Proton Radiotherapy for Patients With Non-Small Cell Lung Cancer (NSCLC)

NCT00495040
View directory record Official record
Conditions
Lung Cancer
Interventions
Proton Radiotherapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Sep 17, 2026, 5:37 AM EDT
Completed Not applicable Interventional Results available

Proton Radiation Therapy (RT) for the Treatment of Pediatric Rhabdomyosarcoma

NCT00592592
View directory record Official record
Conditions
Rhabdomyosarcoma
Interventions
Proton Beam Radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Up to 30 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2025 · Synced Sep 17, 2026, 5:37 AM 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 15, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Completed No phase listed Observational

Pencil Beam Scanning Proton Radiotherapy for Esophageal Cancer

NCT02452021
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 17, 2026, 5:37 AM EDT
Terminated Early Phase 1 Interventional

Proton Based Cardiac Sparing Accelerated Fractionated RadioTherapy in Unresectable NSCLC

NCT03818776
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Durvalumab, Proton beam therapy RT
Drug · Radiation
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 17, 2026, 5:37 AM 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 13, 2016 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional

Reduction of Gastrointestinal Toxicity in Prostate Cancer by Proton Spot Placement

NCT06200259
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma, Prostate Carcinoma
Interventions
Spot Delete planning for proton therapy, Traditional proton treatment planning system
Radiation
Lead sponsor
Covenant Health Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2040
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting Early Phase 1 Interventional

Pencil Beam Scanning in Patients With Renal Tumors

NCT03810651
View directory record Official record
Conditions
Renal Tumor, Wilms Tumor
Interventions
Proton beam radiation using pencil beam scanning
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
0 Years to 30 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting No phase listed Observational

Computer-based Neurocognitive Assessment in Children With Central Nervous System Tumors Receiving Proton Beam Radiation Therapy

NCT02559752
View directory record Official record
Conditions
Central Nervous System
Interventions
NIH Toolbox Cognitive Battery
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
4 Years to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting Phase 2 Interventional

Proton Radiation for Unresectable, Borderline Resectable, or Medically Inoperable Carcinoma of the Pancreas

NCT02598349
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton Radiation, Capecitabine, Surgical resection
Radiation · Drug · Procedure
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2040
U.S. locations
4
States / cities
Jacksonville, Florida • Warrenville, Illinois • Flint, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 17, 2026, 5:37 AM EDT
Withdrawn Phase 2 Interventional

Testing the Addition of an Immunotherapy Drug, Atezolizumab, to the Usual Chemotherapy Treatment During Radiation Therapy for Superior Sulcus Non-small Cell Lung Cancer

NCT04989283
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma, Stage IIB Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Superior Sulcus Lung Carcinoma
Interventions
Atezolizumab, Biopsy, Biospecimen Collection, Carboplatin, Cisplatin, Computed Tomography, Etoposide, External Beam Radiation Therapy, Magnetic Resonance Imaging, Paclitaxel, Pemetrexed, Positron Emission Tomography, Therapeutic Conventional Surgery
Biological · Procedure · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
46
States / cities
Jonesboro, Arkansas • Tampa, Florida • Boise, Idaho + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 17, 2026, 5:37 AM EDT
Completed No phase listed Observational

Neurobehavioral Functioning in Pediatric Brain Tumor Patients After Proton Beam Radiation Treatment

NCT01180881
View directory record Official record
Conditions
Brain Tumor, Central Nervous System Neoplasms
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
1 Year to 25 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prospective Study of Intensity-Modulated Proton Therapy (IMPT) for Small Cell Lung Cancer

NCT04342429
View directory record Official record
Conditions
Small-cell Lung Cancer
Interventions
Proton-beam Therapy for Small Cell Lung Cancer
Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 17, 2026, 5:37 AM 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 16, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Active, not recruiting Phase 3 Interventional

Intensity-Modulated Proton Beam Therapy or Intensity-Modulated Photon Therapy in Treating Patients With Stage III-IVB Oropharyngeal Cancer

NCT01893307
View directory record Official record
Conditions
Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7
Interventions
Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Gainesville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 17, 2026, 5:37 AM EDT
Recruiting Phase 2 Interventional

Treatment of Newly Diagnosed Rhabdomyosarcoma Using Molecular Risk Stratification and Liposomal Irinotecan Based Therapy in Children With Intermediate and High Risk Disease

NCT06023641
View directory record Official record
Conditions
Rhabdomyosarcoma
Interventions
Vincristine, Dactinomycin, Cyclophosphamide, Surgical Resection, Proton beam radiation or external beam radiation or brachytherapy, Liposomal irinotecan, Vinorelbine, Temozolomide, Filgrastim, peg-filgrastim
Drug · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 22 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2037
U.S. locations
3
States / cities
Palo Alto, California • Memphis, Tennessee • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 17, 2026, 5:37 AM EDT