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ClinicalTrials.gov public records Last synced Sep 27, 2026, 2:15 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Photon Beam Radiation Clear all
Active, not recruiting Phase 2 Interventional

Proton Beam or Intensity-Modulated Radiation Therapy in Preserving Brain Function in Patients With IDH Mutant Grade II or III Glioma

NCT03180502
View directory record Official record
Conditions
Anaplastic Astrocytoma, Anaplastic Oligoastrocytoma, Anaplastic Oligodendroglioma, Diffuse Astrocytoma, Glioma, Oligoastrocytoma, Oligodendroglioma, WHO Grade 3 Glioma
Interventions
Biospecimen Collection, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Temozolomide
Procedure · Radiation · Other + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
34
States / cities
Birmingham, Alabama • Boca Raton, Florida • Miami, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 27, 2026, 2:15 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 8, 2025 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 2 Interventional

Lutathera for the Treatment of Inoperable, Progressive Meningioma After External Beam Radiation Therapy

NCT04082520
View directory record Official record
Conditions
Grade 1 Meningioma, Grade 2 Meningioma, Grade 3 Meningioma, Recurrent Meningioma, Unresectable Meningioma
Interventions
Gallium Ga 68-DOTATATE, Lutetium Lu 177 Dotatate, Magnetic Resonance Imaging, Positron Emission Tomography, Questionnaire Administration, Computed Tomography, Biospecimen Collection, Single Photon Emission Computed Tomography
Radiation · Drug · Procedure + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2032
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Active, not recruiting Phase 1 Interventional Results available

A Safety Study of Pharmacologic Ascorbate and Ferumoxytol in Addition to Standard of Care Chemoradiation in Glioblastoma

NCT04900792
View directory record Official record
Conditions
Glioblastoma, Glioblastoma Multiforme
Interventions
Ferumoxytol injection, Pharmacological ascorbate, External beam radiation therapy, Temozolomide
Drug · Radiation
Lead sponsor
Bryan Allen
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Withdrawn Phase 2 Interventional

Dose Escalated Proton Beam Therapy or Photon Therapy for Esophageal Cancer

NCT03234842
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Proton Beam Therapy, Photon Radiation Therapy, Chemotherapy
Radiation · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 2 Interventional

Ultra-Hypofractionated vs. Hypofractionated Radiation for Node-Positive Breast Cancer

NCT06559540
View directory record Official record
Conditions
Node-positive Breast Cancer
Interventions
Hypofractionated radiation, Ultra-hypofractionated breast/chest wall and regional nodal radiation
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Phase 1 Interventional

Topotecan and Radiation Therapy in Treating Patients With Solid Tumors or Lymphoma

NCT00002625
View directory record Official record
Conditions
Esophageal Cancer, Lung Cancer, Lymphoma
Interventions
topotecan hydrochloride, low-LET electron therapy, low-LET photon therapy
Drug · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 10, 2013 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 2 Interventional

Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma

NCT05535166
View directory record Official record
Conditions
Medulloblastoma
Interventions
Surgical resection, Ommaya/VPS, Methotrexate, Cisplatin, Vincristine, Cyclophosphamide, Carboplatin, Topotecan, Etoposide, Pegfilgrastim, Filgrastim, Irradiation, Educational and Media Intervention, SOC, Educational and Media Intervention
Procedure · Drug · Radiation + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 59 Months
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2035
U.S. locations
10
States / cities
Palo Alto, California • Orlando, Florida • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Phase 2 Interventional Results available

Whole Lung IMRT in Children and Adults With Synovial Sarcoma and Lung Metastases

NCT02181829
View directory record Official record
Conditions
Synovial Sarcoma, Single or Multiple Lung Metastases
Interventions
Whole Lung IMRT
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
1 Year and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 27, 2026, 2:15 PM EDT
Terminated Phase 2 Interventional Results available

Intensity-Modulated Radiation Therapy in Treating Patients Undergoing Surgery for Stage IB, Stage II, or Stage III Soft Tissue Sarcoma

NCT00740597
View directory record Official record
Conditions
Sarcoma
Interventions
gene expression analysis, polymerase chain reaction, western blotting, neoadjuvant therapy, therapeutic conventional surgery, intensity-modulated radiation therapy
Genetic · Procedure · Radiation
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Sep 27, 2026, 2:15 PM EDT
Active, not recruiting Phase 3 Interventional

Testing the Addition of the Chemotherapy Drug Lomustine (Gleostine) to the Usual Treatment (Temozolomide and Radiation Therapy) for Newly Diagnosed MGMT Methylated Glioblastoma

NCT05095376
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma
Interventions
Lomustine, Magnetic Resonance Imaging, Photon Beam Radiation Therapy, Questionnaire Administration, Temozolomide
Drug · Procedure · Radiation + 1 more
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years to 70 Years
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
418
States / cities
Fairbanks, Alaska • Fayetteville, Arkansas • Little Rock, Arkansas + 304 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 2 Interventional

Habitat Escalated Adaptive Therapy (HEAT), With Neoadjuvant Radiation for Soft Tissue Sarcoma

NCT05301283
View directory record Official record
Conditions
High Grade Sarcoma
Interventions
Intensity Modulated Radiation Therapy (IMRT), MRI
Radiation · Diagnostic Test
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 27, 2026, 2:15 PM EDT
Active, not recruiting Not applicable Interventional

Study of Craniospinal Irradiation With Linac Based Volumetric Modulated Arc Therapy (VMAT) for Patients With Leptomeningeal Metastasis

NCT06984523
View directory record Official record
Conditions
Leptomeningeal Metastasis
Interventions
Varian Eclipse
Radiation
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Active, not recruiting Phase 2 Interventional

Study of Proton Versus Photon Beam Radiotherapy in the Treatment of Head and Neck Cancer

NCT02923570
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Photon intensity modulated radiation therapy (IMRT), Proton beam radiotherapy (PBRT)
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
9
States / cities
Miami, Florida • Rochester, Minnesota • Basking Ridge, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Phase 2 Interventional Results available

A Study of Accelerated 3 Fraction Photon,Proton or Brachytherapy for Early Invasive and Noninvasive Breast Ca

NCT02453737
View directory record Official record
Conditions
Breast Cancer
Interventions
Brachytherapy APBI, 3D-CRT (photon) APBI, Proton APBI
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older · Female only
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Not applicable Interventional Results available

A Volume, Motion, and Anatomically Adaptive Approach to Photon and Proton Beam Radiotherapy

NCT02130427
View directory record Official record
Conditions
Biopsy Proven Non Small Cell Lung Cancer, Head and Neck Cancer, Gastrointestinal Cancer, Colorectal Cancer, Rectal Cancers, Gynecological Malignancy Requiring Definitive Radiotherapy
Interventions
CT scan
Diagnostic Test
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Phase 2 Interventional Results available

Short Course Radiation Therapy With Proton or Photon Beam Capecitabine and Hydroxychloroquine for Resectable Pancreatic Cancer

NCT01494155
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Capecitabine, Hydroxychloroquine, Proton or Photon Radiation Therapy
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Not applicable Interventional Results available

Proton Therapy for Hodgkin Lymphoma

NCT00850200
View directory record Official record
Conditions
Hodgkin Lymphoma
Interventions
Proton Radiation Plan, Conventional Photon Radiation Plan, Intensity Modulated Radiation Plan
Radiation
Lead sponsor
University of Florida
Other
Eligibility
6 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Sep 27, 2026, 2:15 PM EDT
Terminated No phase listed Observational

Photon/Proton Radiation Therapy for Carcinoma of the Nasopharynx

NCT00797290
View directory record Official record
Conditions
Nasopharynx Cancer
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Sep 27, 2026, 2:15 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 15, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 2 Interventional

Combining Immunotherapy and Radiation Therapy to Help Patients Avoid Bladder Removal After Treatment Shrinks Muscle Invasive Bladder Cancer, BRIGHT Trial

NCT07061964
View directory record Official record
Conditions
Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Cystoscopy, Magnetic Resonance Imaging, Pembrolizumab, Photon Beam Radiation Therapy, Positron Emission Tomography, Questionnaire Administration, Transurethral Resection of Bladder Tumor
Procedure · Biological · Radiation + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
178
States / cities
Birmingham, Alabama • Gilbert, Arizona • Phoenix, Arizona + 143 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Active, not recruiting No phase listed Observational

The Differential Impact of Proton Beam Irradiation Versus Conventional Radiation on Organs-at-risk in Stage II-III Breast Cancer Patients

NCT03270072
View directory record Official record
Conditions
Breast Cancer Stage II, Breast Cancer Stage III
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 27, 2026, 2:15 PM EDT
Completed Phase 1Phase 2 Interventional

High-Dose Proton/Photon RT + Surgery of Sarcomas of the Thoracic, Lumbar Spine/Sacrum

NCT00592345
View directory record Official record
Conditions
Mesenchymal Tumor
Interventions
Proton Beam Radiation, Photon Beam Radiation, Interoperative radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Sep 27, 2026, 2:15 PM EDT
Recruiting Phase 3 Interventional

Radiation Therapy With RapidPlan Knowledge-based Planning vs Human-Driven Planning for Treatment of Prostate Cancer

NCT06625034
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Biospecimen Collection, Magnetic Resonance Imaging, Photon Beam Radiation Therapy, Positron Emission Tomography, Questionnaire Administration, Radiation Therapy Treatment Planning and Simulation
Procedure · Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
2
States / cities
Scottsdale, Arizona • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 27, 2026, 2:15 PM EDT