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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:24 PM EDT

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Showing 25–48 of 868 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Clear all
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 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Terminated Phase 4 Interventional

Lansoprazole Preventing Gastroduodenal Stress Ulcerations

NCT00220909
View directory record Official record
Conditions
Patients Undergoing Elective Coronary Artery Bypass Graft
Interventions
Lansoprazole
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2008 · Synced Oct 22, 2026, 10:24 PM EDT
Not yet recruiting No phase listed Observational

UPRIGHT-PRO: Prospective Development Study of Upright Proton Therapy

NCT07708636
View directory record Official record
Conditions
Proton Therapy
Interventions
Standard-of-Care Proton Therapy
Radiation
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Withdrawn Not applicable Interventional

Evaluation of the Ketogenic Diet to Improve Post Operative Cognitive Decline in Cardiac Surgery

NCT06480708
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
Ketogenic diet, Control diet
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
60 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Completed No phase listed Observational

PhosphoRus, Proton Imaging and Amyloid BuRdEn (PREPARE) ON AMYLOID BURDEN AND COGNITION

NCT03999879
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Measure of OxPhos upregulation, lactate (measured with 1H-MRSI)
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
70 Years to 85 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

rhPSMA-73 PET-MRI Imaging for the Detection of Prostate Cancer Among Men Who Are Otherwise Candidates for Active Surveillance

NCT05852041
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage I Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8
Interventions
Biopsy of Prostate, Decipher Prostate Cancer Test, Flotufolastat F-18 Gallium, Magnetic Resonance Imaging, Multiparametric Magnetic Resonance Imaging, Positron Emission Tomography, Radical Prostatectomy
Procedure · Genetic · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2035
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Not yet recruiting Phase 4 Interventional

Efficacy of Potassium-Competitive Acid Blockers in Barrett's Esophagus (PCAB BE Study)

NCT07788742
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Potassium-Competitive Acid Blockers (PCABs)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Completed Phase 2Phase 3 Interventional Results available

The Role Of Gastroesophageal Reflux Disease (GERD) in Eosinophilic Esophagitis

NCT00728481
View directory record Official record
Conditions
Eosinophilic Esophagitis, Gastroesophageal Reflux Disease, EE, GERD
Interventions
Esomeprazole, Budesonide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 22, 2026, 10:24 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Venetoclax and Vincristine in Treating Patients With Relapsed or Refractory T-cell or B-cell Acute Lymphoblastic Leukemia

NCT03504644
View directory record Official record
Conditions
Recurrent Adult Lymphoblastic Lymphoma, Recurrent B Acute Lymphoblastic Leukemia, Recurrent B Lymphoblastic Lymphoma, Recurrent T Acute Lymphoblastic Leukemia, Recurrent T Lymphoblastic Lymphoma, Refractory B Acute Lymphoblastic Leukemia, Refractory B Lymphoblastic Lymphoma, Refractory T Acute Lymphoblastic Leukemia, Refractory T Lymphoblastic Lymphoma
Interventions
Biospecimen Collection, Computed Tomography, Lumbar Puncture, Positron Emission Tomography, Venetoclax, Vincristine Liposomal, Vincristine Sulfate
Procedure · Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
163
States / cities
Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 120 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 22, 2026, 10:24 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 22, 2026, 10:24 PM EDT
Terminated Phase 1 Interventional

Copper Cu 64-DOTA-B-Fab PET/CT in Imaging Patients With Ovarian and Breast Cancer

NCT02708511
View directory record Official record
Conditions
Ovarian Carcinoma, Breast Carcinoma
Interventions
Computed Tomography, Copper Cu 64-DOTA B-Fab, Laboratory Biomarker Analysis, Pharmacological Study, Positron Emission Tomography
Diagnostic Test · Drug · Other
Lead sponsor
Sanjiv Sam Gambhir
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Uridine on GABA and High Energy Phosphate Levels in Healthy Volunteers

NCT01261260
View directory record Official record
Conditions
Healthy Male Subjects
Interventions
Uridine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 16, 2010 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Not applicable Interventional

A Study of Decreased Mental Function Associated With HIV

NCT00027040
View directory record Official record
Conditions
Cognitive Disorders, HIV Infections
Interventions
Selegiline hydrochloride
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
12
States / cities
Los Angeles, California • San Diego, California • Stanford, California + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 22, 2026, 10:24 PM 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 22, 2026, 10:24 PM EDT
Active, not recruiting Not applicable Interventional

Proton Radiation Therapy for Gliomas

NCT01358058
View directory record Official record
Conditions
Low Grade Glioma, WHO Grade 3 Glioma With IDH1 Mutation, WHO Grade 3 Glioma With 1p/19q Codeletion
Interventions
Proton radiation
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 22, 2026, 10:24 PM EDT