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ClinicalTrials.gov public records Last synced Oct 3, 2026, 8:55 PM EDT

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Showing 49–72 of 155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Beam Radiotherapy Clear all
Active, not recruiting Not applicable Interventional

Partial Breast Proton Therapy for Early Stage Breast Cancer

NCT01310530
View directory record Official record
Conditions
Breast Cancer
Interventions
Proton Beam Radiotherapy
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 80 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Phase 2 Interventional

Pembrolizumab Plus Olaparib in LA-HNSCC

NCT05366166
View directory record Official record
Conditions
Squamous Cell Carcinoma of Head and Neck
Interventions
Pembrolizumab, Olaparib, Cisplatin, IMRT (intensity modulated radiation therapy)
Biological · Drug · Radiation
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
4
States / cities
Indianapolis, Indiana • Louisville, Kentucky • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 3, 2026, 8:55 PM 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 15, 2024 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Phase 2 Interventional

Proton Beam Radiation Therapy for Early Stage Adenocarcinoma of the Prostate

NCT00585962
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton Beam Radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Phase 1 Interventional

Study of GDC-0084 in Pediatric Patients With Newly Diagnosed Diffuse Intrinsic Pontine Glioma or Diffuse Midline Gliomas

NCT03696355
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
GDC-0084, radiation therapy
Drug · Radiation
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 21 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Phase 2 Interventional Results available

Therapeutic Trial for Patients With Ewing Sarcoma Family of Tumor and Desmoplastic Small Round Cell Tumors

NCT01946529
View directory record Official record
Conditions
Desmoplastic Small Round Cell Tumor, Ewing Sarcoma of Bone or Soft Tissue, Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
Interventions
vincristine, doxorubicin, cyclophosphamide, ifosfamide, etoposide, temozolomide, temsirolimus, bevacizumab, sorafenib, surgery, radiation
Drug · Procedure · Radiation
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 25 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 3, 2026, 8:55 PM 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 10, 2026 · Synced Oct 3, 2026, 8:55 PM 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 3, 2026, 8:55 PM 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 21, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Phase 2 Interventional Results available

Observation or Radiation Therapy in Treating Patients With Grade I, Grade II, or Grade III Meningioma

NCT00895622
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
54 Gy radiotherapy, 60 Gy radiotherapy
Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
74
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Duarte, California + 62 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 3, 2026, 8:55 PM EDT
Terminated Early Phase 1 Interventional

Proton Stereotactic Body Radiation Therapy for Early-Stage Non-Small Cell Lung Cancer

NCT01525446
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
SBRT with proton beam radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Phase 1 Interventional

Hypofractionated Accelerated Pelvic Nodal Radiotherapy (GCC 2048)

NCT04486755
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Hypofractionated Radiation Therapy
Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Male only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Phase 2 Interventional Results available

A Clinical Trial of Endoscopic Surgery Followed by Chemotherapy and Proton Radiation for the Treatment of Tumors in the Sinus and Nasal Passages

NCT03274414
View directory record Official record
Conditions
Paranasal Sinus Cancer, Nasal Cavity Tumor, Nasal Cavity Adenocarcinoma
Interventions
Cisplatin, Adjuvant Proton Radiotherapy, Endoscopic Resection, cisplatin and etoposide
Drug · Radiation · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 3, 2026, 8:55 PM EDT
Completed No phase listed Observational

Proton Therapy for Chordomas and/or Chondrosarcomas

NCT00797602
View directory record Official record
Conditions
Chordomas, Chondrosarcomas
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Oct 3, 2026, 8:55 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 3, 2017 · Synced Oct 3, 2026, 8:55 PM EDT
Completed Not applicable Interventional Results available

Study of Hypofractionated Proton Beam Radiation Therapy for Prostate Cancer

NCT00831623
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton Radiation, Proton
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older · Male only
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Phase 2 Interventional Results available

RElugolix VErsus LeUprolide Cardiac Trial

NCT05320406
View directory record Official record
Conditions
Biochemically Recurrent Prostate Carcinoma, Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8
Interventions
Radiation therapy, Leuprolide, Relugolix
Radiation · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Terminated Not applicable Interventional

Proton Radiation Therapy in Treating Patients With Prostate Cancer

NCT01045226
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proton Beam Radiation Therapy, Quality-of-Life assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Study of How Proton Beam Radiotherapy (PBRT) Affects Brain Function and Quality of Life in Children and Young Adults Undergoing Treatment for a Brain Tumor

NCT05288439
View directory record Official record
Conditions
Brain Tumor, Metastatic Brain Tumor
Interventions
Resting-state functional connectivity MRI, Neurocognitive battery with quality-of-life assessment
Diagnostic Test · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
6 Years to 25 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Dose-Escalated Photon IMRT or Proton Beam Radiation Therapy Versus Standard-Dose Radiation Therapy and Temozolomide in Treating Patients With Newly Diagnosed Glioblastoma

NCT02179086
View directory record Official record
Conditions
Glioblastoma
Interventions
Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Temozolomide
Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
230
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 179 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 3, 2026, 8:55 PM 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 20, 2012 · Synced Oct 3, 2026, 8:55 PM 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 3, 2026, 8:55 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 – 2027
U.S. locations
2
States / cities
Scottsdale, Arizona • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 3, 2026, 8:55 PM EDT
Active, not recruiting Not applicable Interventional

Rectal Spacers Use in Prostate Cancer Radiation Therapy

NCT06594887
View directory record Official record
Conditions
Prostate Cancer
Interventions
SpaceOAR Vue, BioProtect Balloon Implant System
Device
Lead sponsor
Princeton ProCure management, LLC.
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Somerset, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 3, 2026, 8:55 PM EDT