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ClinicalTrials.gov public records Last synced Sep 30, 2026, 10:46 AM EDT

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Showing 25–48 of 155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Beam Radiotherapy Clear all
Completed Phase 2 Interventional Results available

Platinum Doublet Chemotherapy and Proton Beam Radiation Therapy in Treating Patients With Stage II-III Non-small Cell Lung Cancer That Cannot Be Removed by Surgery

NCT03132532
View directory record Official record
Conditions
Recurrent Lung Non-Small Cell Carcinoma, Stage II Lung Cancer AJCC v8, Stage III Lung Cancer AJCC v8, Unresectable Lung Non-Small Cell Carcinoma
Interventions
Carboplatin, Cisplatin, Etoposide, Paclitaxel, Pemetrexed, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Drug · Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 30, 2026, 10:46 AM 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 Sep 30, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional

Integration of Adaptive Proton Therapy in Pediatric Solid Tumors and Hodgkin's Lymphoma

NCT07514819
View directory record Official record
Conditions
Pediatric Solid Tumors, Rhabdomyosarcoma, Ewing Sarcoma, Osteosarcoma, Hodgkin Lymphoma, Bone Tumor, Soft Tissue Sarcoma
Interventions
Proton Therapy (Adaptive)
Radiation
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Sep 30, 2026, 10:46 AM EDT
Not listed Not applicable Interventional

Intensity-Modulated or Proton Radiation Therapy for Sinonasal Malignancy

NCT01586767
View directory record Official record
Conditions
Adenoid Cystic Carcinoma, Squamous Cell Carcinoma, Sinonasal Carcinoma, Sinonasal Undifferentiated Carcinoma, Mucoepidermoid Carcinoma, Schneiderian Carcinoma, Myoepithelial Carcinoma, Esthesioneuroblastoma, Melanoma
Interventions
Proton radiation therapy, Intensity-modulated radiotherapy
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 30, 2026, 10:46 AM EDT
Recruiting Phase 2 Interventional

Hippocampal Avoidance in Craniospinal Irradiation for the Treatment of Leptomeningeal Metastases From Breast Cancer or Non-small Cell Lung Cancer

NCT06518057
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, Electronic Health Record Review, Lumbar Puncture, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Craniospinal Irradiation, Survey Administration, Volume Modulated Arc Therapy, Hippocampal-Avoidance Craniospinal Irradiation
Procedure · Other · Radiation
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
San Francisco, California • New York, New York • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Sep 30, 2026, 10:46 AM 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 9, 2025 · Synced Sep 30, 2026, 10:46 AM EDT
Active, not recruiting Phase 2 Interventional

Phase II Study of Pencil Beam Scanning Proton Stereotactic Body Radiation Therapy for Prostate Cancer

NCT04842890
View directory record Official record
Conditions
Prostate Cancer
Interventions
Pencil Beam Scanning Proton SBRT
Radiation
Lead sponsor
The New York Proton Center
Other
Eligibility
18 Years and older · Male only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 30, 2026, 10:46 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 18, 2025 · Synced Sep 30, 2026, 10:46 AM EDT
Completed Not applicable Interventional

In-Room PET in Proton Radiation Therapy

NCT01228448
View directory record Official record
Conditions
Brain Tumor, Head and Neck Tumor, Skull Base Tumor
Interventions
PET scan
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Sep 30, 2026, 10:46 AM EDT
Recruiting Phase 2 Interventional

Risk-adapted Therapy in HPV+ Oropharyngeal Cancer Using Circulating Tumor (ct)HPV DNA Profile - The ReACT Study

NCT04900623
View directory record Official record
Conditions
HPV-Associated Oropharyngeal Squamous Cell Carcinoma, HPV Positive Oropharyngeal Squamous Cell Carcinoma, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Stage, HPV-Related Squamous Cell Carcinoma, Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Clinical Stage, HPV-Mediated (P16-Positive) Oropharyngeal Carcinoma by AJCC V8 Pathologic Stage
Interventions
NavDx HPV ctDNA Testing, Radiotherapy, Chemotherapy drug
Device · Radiation · Drug
Lead sponsor
Jonathan Schoenfeld, MD, MPH
Other
Eligibility
22 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 30, 2026, 10:46 AM 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 Sep 30, 2026, 10:46 AM 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 Sep 30, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional

A Pilot Study of Ultra-High Dose Rate (ConformalFLASH®), for Reirradiation of Carcinoma of the Head and Neck

NCT07644585
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
ConformalFLASH irradiation
Radiation
Lead sponsor
IBA Proton Therapy, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Sep 30, 2026, 10:46 AM 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 10, 2017 · Synced Sep 30, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional

UFPTI 2403-PR12: Real-Time Volumetric Ionizing Radiation Acoustic Imaging for In-vivo Proton Treatment Monitoring in Pencil-Beam Scanning

NCT06465966
View directory record Official record
Conditions
Prostate Cancer
Interventions
iRAI
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 30, 2026, 10:46 AM 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 Sep 30, 2026, 10:46 AM EDT
Completed Phase 1 Interventional Results available

Study of Proton Therapy in Adjuvant Pancreatic Cancer

NCT03885284
View directory record Official record
Conditions
Resected Pancreatic Adenocarcinoma
Interventions
mFOLFIRINOX, Proton beam radiation
Drug · Radiation
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Sep 30, 2026, 10:46 AM EDT
Withdrawn Not applicable Interventional

Proton Beam Radiation Therapy in Treating Patients With Retroperitoneal Sarcoma

NCT01034566
View directory record Official record
Conditions
Adult Soft Tissue Sarcoma
Interventions
Proton Beam Radiation Therapy
Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 30, 2026, 10:46 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

O6-Benzylguanine-Mediated Tumor Sensitization With Chemoprotected Autologous Stem Cell in Treating Patients With Malignant Gliomas

NCT00669669
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma
Interventions
3-Dimensional Conformal Radiation Therapy, Autologous Hematopoietic Stem Cell Transplantation, Carmustine, Filgrastim, In Vitro-Treated Peripheral Blood Stem Cell Transplantation, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, O6-Benzylguanine, Plerixafor, Proton Beam Radiation Therapy, Temozolomide
Radiation · Procedure · Drug + 2 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Sep 30, 2026, 10:46 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 18, 2025 · Synced Sep 30, 2026, 10:46 AM EDT
Completed Not applicable Interventional

Partial Breast Radiation Therapy in Treating Women Undergoing Breast Conservation Therapy for Early-Stage Breast Cancer

NCT00599989
View directory record Official record
Conditions
Breast Cancer, Long-term Effects Secondary to Cancer Therapy in Adults, Skin Reactions Secondary to Radiation Therapy
Interventions
adjuvant therapy, conventional surgery, 3-dimensional conformal radiation therapy, brachytherapy, intracavitary balloon brachytherapy, proton beam radiation therapy
Procedure · Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Sep 30, 2026, 10:46 AM EDT
Completed Not applicable Interventional

Proton Radiation for Resectable Carcinoma of the Pancreas

NCT00763516
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton radiation and chemotherapy
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Sep 30, 2026, 10:46 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Chemotherapy and Proton Radiation for the Treatment of Locally Advanced Lung Cancer

NCT00614484
View directory record Official record
Conditions
Locally Advanced Non-Small Cell Lung Cancer
Interventions
Proton Radiation Therapy, Taxol, Carboplatin
Radiation · Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2011
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Sep 30, 2026, 10:46 AM 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 5, 2025 · Synced Sep 30, 2026, 10:46 AM EDT