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ClinicalTrials.gov public records Last synced Sep 2, 2026, 11:49 AM EDT

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Showing 1–24 of 398 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Proton Radiation Clear all
Active, not recruiting Phase 1Phase 2 Interventional

A Phase I/II Study of Hypofractionated Proton Therapy for Stage II-III Non-Small Cell Lung Cancer

NCT01770418
View directory record Official record
Conditions
Lung Neoplasms
Interventions
Radiation with Concurrent Chemotherapy
Radiation
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
6
States / cities
Jacksonville, Florida • Warrenville, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 2, 2026, 11:49 AM EDT
Active, not recruiting 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 Apr 1, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Active, not recruiting Phase 2 Interventional Results available

An Open-Label Phase II Study of Nivolumab or Nivolumab/Ipilimumab in Adult Participants With Progessive/ Recurrent Meningioma

NCT02648997
View directory record Official record
Conditions
Meningiomas
Interventions
Nivolumab - 240 mg, Ipilimumab - 1 mg/kg, Nivolumab - 480 mg, Nivolumab - 3 mg/kg, External Beam RT, Nivolumab - 1 mg/kg, Ipilimumab - 3 mg/kg
Drug · Radiation
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Completed No phase listed Observational

Cardiotoxicity in Breast Cancer Patients Treated With Proton or Photon Radiotherapy: A RadComp Companion Study

NCT04361240
View directory record Official record
Conditions
Breast Cancer, Cardiotoxicity
Interventions
Proton vs Photon Radiation
Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
6
States / cities
Birmingham, Alabama • Warrenville, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Active, not recruiting Phase 2 Interventional

Proton Beam Therapy (PBT) Versus Intensity-Modulated Radiation Therapy (IMRT) Trial

NCT01512589
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Proton Beam Therapy (PBT), Intensity Modulated Radiation Therapy (IMRT), Questionnaires
Radiation · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Terminated No phase listed Observational

Feasibility Study of Tumor Blood Flow Measurement by Detection of Positron Activation Post Proton Therapy (DS01)

NCT01987193
View directory record Official record
Conditions
Brain Cancer, Prostate Cancer, Lung Cancer
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 28, 2018 · Synced Sep 2, 2026, 11:49 AM EDT
Completed Phase 2 Interventional Results available

Induction TPN Followed by Nivolumab With Radiation in Locoregionally Advanced Laryngeal and Hypopharyngeal Cancer

NCT03894891
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Nivolumab, Cisplatin, Docetaxel, Intensity-modulated radiotherapy
Drug · Radiation
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Not applicable Interventional

Spectroscopic MRI Guided Proton Therapy in Assessing Metabolic Change in Pediatric Patients With Brain Tumors

NCT04908709
View directory record Official record
Conditions
Malignant Brain Glioma
Interventions
Magnetic Resonance Spectroscopic Imaging, Proton Therapy
Procedure · Device
Lead sponsor
Emory University
Other
Eligibility
Up to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Active, not recruiting Phase 2 Interventional

Proton Beam Therapy for Chordoma Patients

NCT00496119
View directory record Official record
Conditions
Chordoma
Interventions
Proton Beam Therapy, Photon Beam Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Completed Phase 1Phase 2 Interventional

Proton Beam Radiation Therapy in Treating Patients With Low Grade Gliomas

NCT01024907
View directory record Official record
Conditions
Adult Brain Tumor, Adult Brain Stem Glioma, Adult Diffuse Astrocytoma, Adult Ependymoma, Adult Grade II Meningioma, Adult Melanocytic Lesion, Adult Meningeal Hemangiopericytoma, Adult Mixed Glioma, Adult Oligodendroglioma, Adult Pineal Gland Astrocytoma, Adult Pineocytoma, Recurrent Adult Brain Tumor
Interventions
proton beam radiation therapy, quality-of-life assessment, questionnaire administration
Radiation · Procedure · Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Phase 2 Interventional

Proton Beam Radiation Therapy After Treatment for Resected N2 Non-Small Cell Lung Cancer

NCT06008730
View directory record Official record
Conditions
Resectable Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Proton Beam Radiation Therapy, Radiology, Treatment Planning
Procedure · Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 2, 2026, 11:49 AM 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 Jul 9, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Completed Not applicable Interventional Results available

A Phase II Trial of Preoperative Proton Therapy in Soft-tissue Sarcomas of the Extremities and Body Wall

NCT01819831
View directory record Official record
Conditions
Soft Tissue Sarcoma
Interventions
proton radiation, surgery (wide local excision; limb preservation surgery)
Radiation · Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 98 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Phase 1 Interventional

Immunotherapy for Malignant Pediatric Brain Tumors Employing Adoptive Cellular Therapy (IMPACT)

NCT06193759
View directory record Official record
Conditions
Medulloblastoma, Childhood, Atypical Teratoid/Rhabdoid Tumor of CNS, Embryonal Tumor With Multilayered Rosettes, Pineoblastoma, Embryonal Brain Tumor Not Otherwise Specified, Ependymoma
Interventions
Multi-tumor antigen specific cytotoxic T lymphocytes (TSA-T) directed against proteogenomically determined personalized tumor-specific antigens (TSA), Group A Standard-of-Care Backbone Therapy, Group B Salvage Backbone Therapy
Biological · Drug · Radiation
Lead sponsor
Children's National Research Institute
Other
Eligibility
1 Year to 30 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Completed Phase 3 Interventional

Radiation Therapy in Treating Patients With Stage I or Stage II Prostate Cancer

NCT00002703
View directory record Official record
Conditions
Prostate Cancer
Interventions
high-LET heavy ion therapy, low-LET photon therapy
Radiation
Lead sponsor
Proton Radiation Oncology Group
Other
Eligibility
Male only
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
2
States / cities
Loma Linda, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2013 · Synced Sep 2, 2026, 11:49 AM EDT
Not listed No phase listed Observational

Data Collection of Normal Tissue Toxicity for Proton Therapy for Pediatrics

NCT01502150
View directory record Official record
Conditions
Pediatric Cancer
Interventions
Data Collection, Dose Distribution Data Collection
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 18 Years
Enrollment
798 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Phase 2 Interventional

Vemurafenib and Cobimetinib for the Treatment of Patients With High Risk Differentiated Thyroid Carcinoma With BRAFV600E Mutation

NCT06440850
View directory record Official record
Conditions
Thyroid Gland Follicular Carcinoma, Thyroid Gland Oncocytic Carcinoma, Thyroid Gland Papillary Carcinoma
Interventions
Biospecimen Collection, Cobimetinib, Computed Tomography, Diagnostic Imaging, I-131 Uptake Test, Iodine I-131, Magnetic Resonance Imaging, Positron Emission Tomography, Recombinant Thyrotropin Alfa, Ultrasound Imaging, Vemurafenib
Procedure · Drug · Radiation + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Completed Not applicable Interventional Results available

Online Proton Adaptive Radiotherapy

NCT06310655
View directory record Official record
Conditions
Solid Tumor
Interventions
Proton SBRT
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 2, 2026, 11:49 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 2, 2026, 11:49 AM EDT
Active, not recruiting Not applicable Interventional

FLASH Radiotherapy for the Treatment of Symptomatic Bone Metastases in the Thorax

NCT05524064
View directory record Official record
Conditions
Bone Metastases in the Thorax
Interventions
FLASH Radiotherapy
Radiation
Lead sponsor
Varian, a Siemens Healthineers Company
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Peoria, Illinois • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Active, not recruiting Phase 3 Interventional

Radiation Therapy With Protons or Photons in Treating Patients With Liver Cancer

NCT03186898
View directory record Official record
Conditions
Recurrent Hepatocellular Carcinoma, Stage III Hepatocellular Carcinoma AJCC v7, Unresectable Hepatocellular Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Quality-of-Life Assessment, Radiation Therapy
Procedure · Other · Radiation
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
27
States / cities
Atlanta, Georgia • Warrenville, Illinois • Baltimore, Maryland + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Phase 2 Interventional

Stereotactic Body Radiation Therapy and FES PET/CT Imaging for the Treatment of Oligoprogressive Estrogen Receptor Positive Metastatic Breast Cancer

NCT06260033
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Biospecimen Collection, Bone Scan, Computed Tomography, F-18 16 Alpha-Fluoroestradiol, Positron Emission Tomography, Questionnaire Administration, Stereotactic Body Radiation Therapy
Procedure · Drug · Other + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Sep 2, 2026, 11:49 AM EDT
Recruiting Not applicable Interventional

Precision Radiotherapy Enabled by Molecular MRI

NCT07512154
View directory record Official record
Conditions
Brain Cancer
Interventions
Amide proton transfer radiotherapy, Standard radiotherapy
Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 2, 2026, 11:49 AM EDT
Terminated No phase listed Observational

Camera Based System to Monitor Patient Movement During Radiation Treatment

NCT01971866
View directory record Official record
Conditions
Set up and Monitoring of Patients Receiving Proton Radiation
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2016 · Synced Sep 2, 2026, 11:49 AM EDT