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ClinicalTrials.gov public records Last synced Oct 23, 2026, 3:14 AM EDT

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Showing 1–24 of 392 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton radiotherapy Clear all
Completed Not applicable Interventional Results available

Transarterial Chemoembolization Versus Proton Beam Radiotherapy for the Treatment of Hepatocellular Carcinoma

NCT00857805
View directory record Official record
Conditions
Carcinoma, Hepatocellular
Interventions
Transarterial Chemoembolization, Proton Beam Radiotherapy
Procedure · Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Phase 3 Interventional

Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

NCT06500481
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Malignant Neoplasm in the Leptomeninges, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Involved-Field Radiation Therapy, Lumbar Puncture, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Craniospinal Irradiation, Quality-of-Life Assessment
Procedure · Radiation · Other
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
58
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Encinitas, California + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Not applicable Interventional

Proton Therapy in the Treatment of Liver Metastases

NCT01697371
View directory record Official record
Conditions
Liver Metastases
Interventions
Proton, Proton Radiation
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2033
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Completed No phase listed Observational

An Imaging Agent (Fluorodopa F 18) With Positron Emission Tomography/Magnetic Resonance Imaging for Assessing Treatment Response in Patients With High-Grade Soft Tissue Sarcomas

NCT05560009
View directory record Official record
Conditions
Recurrent Soft Tissue Sarcoma, Resectable Soft Tissue Sarcoma, Soft Tissue Sarcoma
Interventions
Fluorodopa F 18, Magnetic Resonance Imaging, Positron Emission Tomography, Radiation Therapy, Surgical Procedure
Drug · Procedure · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 23, 2026, 3:14 AM EDT
Completed Not applicable Interventional

Magnetic Resonance Imaging in Evaluating Response to RadiationTherapy in Patients With High Grade Glioma

NCT01018329
View directory record Official record
Conditions
Brain Tumor
Interventions
Magnetic Resonance Imaging, Diffusion Tensor Imaging, Magnetic Resonance Spectroscopic Imaging, Dynamic Contract-Enhanced magnetic resonance imaging, Diffusion-weighted magnetic resonance imaging
Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 11, 2012 · Synced Oct 23, 2026, 3:14 AM EDT
Completed Early Phase 1 Interventional

BOLD MRI and FMISO PET for the Assessment of Hypoxic Tumor Microenvironment in Patients with Oligometastatic Liver Cancer Undergoing Yttirum-90 Selective Internal Radiation Therapy

NCT05250895
View directory record Official record
Conditions
BCLC Stage a Hepatocellular Carcinoma, BCLC Stage B Hepatocellular Carcinoma, BCLC Stage C Hepatocellular Carcinoma, Hepatocellular Carcinoma
Interventions
18F-Fluoromisonidazole, Biopsy, Dynamic Contrast-Enhanced Magnetic Resonance Imaging, Positron Emission Tomography
Other · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 23, 2026, 3:14 AM EDT
Active, not recruiting Not applicable Interventional

Primary Breast Oligoprogressive Sites Treated With Radiotherapy to Obviate the Need to Change Systemic Therapy

NCT06055881
View directory record Official record
Conditions
Breast Carcinoma, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Cancer
Interventions
Biospecimen Collection, Surveys, Stereotactic Body Radiation Therapy (SBRT), Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography
Procedure · Other · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Not yet recruiting Phase 2 Interventional

Proton Spatially Fractionated Radiotherapy or Photon Stereotactic Body Radiotherapy in Combination With Pembrolizumab Before Surgery for the Treatment of Locally Advanced and Radiation-Naive Locoregionally Recurrent Oral Cavity Cancer, OSPRI Trial

NCT07783581
View directory record Official record
Conditions
Locally Advanced Oral Cavity Squamous Cell Carcinoma, Locally Recurrent Oral Cavity Squamous Cell Carcinoma, Oral Cavity Squamous Cell Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Pembrolizumab, Photon Stereotactic Body Radiation Therapy, Positron Emission Tomography, Spatially-fractionated Radiation Therapy, Surgical Procedure
Procedure · Biological · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Phase 1Phase 2 Interventional

NRSTS2021, A Risk Adapted Study Evaluating Maintenance Pazopanib, Limited Margin, Dose-Escalated Radiation Therapy and Selinexor in Non-Rhabdomyosarcoma Soft Tissue Sarcoma (NRSTS)

NCT06239272
View directory record Official record
Conditions
Adipocytic Neoplasm, Liposarcoma, Atypical Fibroxanthoma, Angiomatoid Fibrous Histiocytoma, Fibrosarcoma NOS, Myxofibrosarcoma, Angiosarcoma, Osteosarcoma, Extraskeletal, Dedifferentiated Liposarcoma, Myxoid Liposarcoma, Pleomorphic Liposarcoma, Myxoid Pleomorphic Liposarcoma, Low Grade Fibromyxoid Sarcoma, Sclerosing Epithelioid Fibrosarcoma, Malignant Tenosynovial Giant Cell Tumor of Soft Tissue, Epithelioid Hemangioendothelioma, Glomus Tumor, Inflammatory Leiomyosarcoma, Leiomyosarcoma, Ossifying Fibromyxoid Tumor, Malignant, Myoepithelioma, Synovial Sarcoma, Epithelioid Sarcoma, Perineurioma, Malignant, Clear Cell Sarcoma, Extraskeletal Myxoid Chondrosarcoma, Granular Cell Tumor, Malignant, Melanotic Malignant Nerve Sheath Tumor, Malignant Peripheral Nerve Sheath Tumor, Perivascular Epithelioid Tumor, Malignant, Intimal Sarcoma, Myoepithelial Carcinoma, Undifferentiated Sarcoma, Pleomorphic Sarcoma, Undifferentiated, Round Cell Sarcoma, Undifferentiated, NTRK-Rearranged Spindle Cell Neoplasm, Phosphaturic Mesenchymal Tumor, Malignant, Round Cell Sarcoma, Well Differentiated Liposarcoma, Giant Cell Tumor of Soft Parts NOS, Low Grade Myofibroblastic Sarcoma, Dermatofibrosarcoma Protuberans, Fibrosarcomatous
Interventions
Surgical resection, Proton beam radiation therapy, Pazopanib, Ifosfamide, Doxorubicin, Selinexor
Procedure · Radiation · Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 30 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2037
U.S. locations
7
States / cities
Atlanta, Georgia • Chicago, Illinois • Baton Rouge, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Active, not recruiting Phase 3 Interventional

Combining Radiation Therapy With Immunotherapy for the Treatment of Metastatic Squamous Cell Carcinoma of the Head and Neck

NCT05721755
View directory record Official record
Conditions
Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Hypopharyngeal Squamous Cell Carcinoma, Metastatic Laryngeal Squamous Cell Carcinoma, Metastatic Oral Cavity Squamous Cell Carcinoma, Metastatic Oropharyngeal Squamous Cell Carcinoma, Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8, Stage IV Hypopharyngeal Carcinoma AJCC v8, Stage IV Laryngeal Cancer AJCC v8, Stage IV Lip and Oral Cavity Cancer AJCC v8, Stage IV Oropharyngeal (p16-Negative) Carcinoma AJCC v8
Interventions
Carboplatin, Cisplatin, Computed Tomography, Fluorouracil, Magnetic Resonance Imaging, Paclitaxel, Pembrolizumab, Positron Emission Tomography, Quality-of-Life Assessment, Radiation Therapy
Drug · Procedure · Biological + 2 more
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
51
States / cities
Tampa, Florida • Atlanta, Georgia • Boise, Idaho + 39 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Active, not recruiting Not applicable Interventional

Proton Boost in Prostate Cancer

NCT03564275
View directory record Official record
Conditions
Cancer of the Prostate
Interventions
Proton Boost
Radiation
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2033
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 23, 2026, 3:14 AM EDT
Terminated Phase 2 Interventional Results available

Stereotactic Body Radiotherapy (SBRT) Versus Stereotactic Body Proton Therapy (SBPT)

NCT01511081
View directory record Official record
Conditions
Non-small-cell Lung Cancer
Interventions
SBRT (stereotactic body radiotherapy), SBPT (stereotactic body proton therapy)
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Oct 23, 2026, 3:14 AM EDT
Completed Phase 3 Interventional Results available

Sorafenib Tosylate With or Without Stereotactic Body Radiation Therapy in Treating Patients With Liver Cancer

NCT01730937
View directory record Official record
Conditions
Adult Primary Hepatocellular Carcinoma, Advanced Adult Primary Liver Cancer, Recurrent Adult Primary Liver Cancer
Interventions
Sorafenib, stereotactic body radiation therapy
Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2025
U.S. locations
41
States / cities
Berkeley, California • Los Angeles, California • San Francisco, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Completed Phase 2 Interventional Results available

Proton Radiotherapy With Chemotherapy for Nasopharyngeal Carcinoma

NCT00592501
View directory record Official record
Conditions
Nasopharyngeal Carcinoma
Interventions
Proton/Photon Radiotherapy, Cisplatin, Fluorouracil
Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 23, 2026, 3:14 AM EDT
Terminated Not applicable Interventional Results available

Proton Therapy With Chemotherapy for Stage III Non-Small Cell Lung Cancer (LU02)

NCT00881712
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
PET positive nodal disease measuring 15 mm or greater, PET positive nodal disease measuring less than 15 mm, Patients considered resectable
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 23, 2026, 3:14 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 19, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting No phase listed Observational

Proton Therapy Patient Registry

NCT02986048
View directory record Official record
Conditions
Treatment With Proton Beam Radiation Therapy
Interventions
Proton Beam Therapy
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
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 29, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Phase 2 Interventional

Relugolix and Enzalutamide in Combination With Radiation Therapy for the Treatment of Very High Risk Prostate Cancer, OPTIMAL Trial

NCT06499870
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Enzalutamide, Fluorine F 18 Piflufolastat, Image Guided Radiation Therapy, Magnetic Resonance Imaging, Positron Emission Tomography, Questionnaire Administration, Relugolix
Procedure · Drug · Other + 1 more
Lead sponsor
Sean Sachdev
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Terminated Phase 1 Interventional

Proton Beam Therapy to Treat Esophageal Cancer

NCT02023541
View directory record Official record
Conditions
Esophageal Squamous Cell Carcinoma, Adenocarcinoma Of Esophagus
Interventions
Proton beam therapy
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 23, 2026, 3:14 AM EDT
Completed No phase listed Observational

Breast Cancer Lung Late Effects

NCT02725840
View directory record Official record
Conditions
Radiation Injury, Breast Cancer
Interventions
Proton beam radiation therapy., X-ray based radiation therapy, Computed Tomography (CT) Scan, Pulmonary Function Test (PFT)
Radiation · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Not applicable Interventional

LITT Followed by Hypofractionated RT for Newly Diagnosed Gliomas (GCC 20138)

NCT04699773
View directory record Official record
Conditions
Glioma, Glioblastoma, Brain Tumor
Interventions
LITT, Hypofractionated Radiation Therapy
Procedure · Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
5
States / cities
Baltimore, Maryland • Bel Air, Maryland • Columbia, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Phase 3 Interventional

Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging

NCT04423211
View directory record Official record
Conditions
Biochemically Recurrent Prostate Carcinoma, Metastatic Prostate Carcinoma, Prostate Adenocarcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
3-Dimensional Conformal Radiation Therapy, Apalutamide, Computed Tomography, Degarelix, External Beam Radiation Therapy, Fluciclovine F18, Goserelin Acetate, Intensity-Modulated Proton Therapy, Intensity-Modulated Radiation Therapy, Leuprolide Acetate, Magnetic Resonance Imaging, Positron Emission Tomography, Quality-of-Life Assessment, Questionnaire Administration, Relugolix, Stereotactic Body Radiation Therapy, Triptorelin, Volume Modulated Arc Therapy
Radiation · Drug · Procedure + 1 more
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older · Male only
Enrollment
804 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2032
U.S. locations
341
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 240 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 23, 2026, 3:14 AM EDT
Recruiting Phase 2 Interventional

Vorinostat and 177Lu-PSMA-617 for the Treatment of PSMA-Low Metastatic Castration-Resistant Prostate Cancer

NCT06145633
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Adenocarcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Scan, Computed Tomography, Fludeoxyglucose F-18, Gallium Ga 68 Gozetotide, Lutetium Lu 177 Vipivotide Tetraxetan, Positron Emission Tomography, Single Photon Emission Computed Tomography, Vorinostat
Procedure · Other · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 23, 2026, 3:14 AM EDT