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ClinicalTrials.gov public records Last synced Oct 16, 2026, 4:43 AM EDT

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Showing 745–768 of 855 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton beam radiation therapy. Clear all
Terminated Not applicable Interventional Results available

F-18 FES PET/CT in Measuring Hormone Expression in Patients With Primary, Recurrent, or Metastatic Breast Cancer Undergoing Endocrine-Targeted Therapy

NCT02149173
View directory record Official record
Conditions
Estrogen Receptor Positive, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Computed Tomography, F-18 16 Alpha-Fluoroestradiol, Fludeoxyglucose F-18, Laboratory Biomarker Analysis, Positron Emission Tomography
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 16, 2026, 4:43 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 16, 2026, 4:43 AM EDT
Withdrawn No phase listed Observational

Delayed 18F-FDG PET/CT in Improving Visualization of Brain Tumors in Patients With Glioblastoma

NCT02919332
View directory record Official record
Conditions
Glioblastoma, Glioma
Interventions
Computed Tomography, Fludeoxyglucose F-18, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2020 · Synced Oct 16, 2026, 4:43 AM EDT
Active, not recruiting Phase 2 Interventional

Pre-op Pembro + Radiation Therapy in Breast Cancer (P-RAD)

NCT04443348
View directory record Official record
Conditions
Triple Negative Breast Cancer, Hormone Receptor Positive (HR+), HER2-negative Breast Cancer, Biopsy-proven, Positive Lymph Node(s)
Interventions
Radiation Therapy Boost, Pembrolizumab, Paclitaxel, Carboplatin, Cyclophosphamide, Doxorubicin, Capecitabine
Radiation · Drug
Lead sponsor
Laura M. Spring, MD
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Recruiting Phase 2 Interventional

Pembrolizumab and Hypofractionated Radiation Therapy for the Treatment of Mucosal Melanoma

NCT04318717
View directory record Official record
Conditions
Mucosal Melanoma of the Head and Neck
Interventions
Pembrolizumab, Hypofractionated radiation therapy
Drug · Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
16 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Completed No phase listed Observational

DIBH Proton Planning

NCT01386697
View directory record Official record
Conditions
Lung Cancer, Breast Cancer, Gastrointestinal, Lymphomatous Malignancies
Interventions
Not listed
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 16, 2026, 4:43 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Quantitative Imaging and Proton Spectroscopy in Multiple Sclerosis

NCT01226654
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Magnetic Resonance Imaging
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
7 Years to 110 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy in Treating Young Patients With Gliomas

NCT00238264
View directory record Official record
Conditions
Brain Tumor, Central Nervous System Tumor
Interventions
radiation therapy
Radiation
Lead sponsor
Children's Oncology Group
Network
Eligibility
3 Years to 20 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
127
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 109 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of ALXN1840 (Coated and Non-coated) Administered With And Without Omeprazole In Healthy Adults

NCT05319912
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840 Enteric-coated Tablet, ALXN1840 Non-coated Capsule, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 2, 2023 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine the Relative Bioavailability of Capsule and Tablet Formulations of GDC-0941 and the Effect of Food and Proton Pump Inhibition on GDC-0941 Tablet Pharmacokinetics in Healthy Volunteers

NCT00999128
View directory record Official record
Conditions
Healthy Volunteers
Interventions
GDC-0941, rabeprazole
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
South San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Oct 16, 2026, 4:43 AM EDT
Suspended Phase 1Phase 2 Interventional

Glofitamab With Obinutuzumab, Venetoclax, and Lenalidomide for the Treatment of Patients With Newly Diagnosed High Risk Mantle Cell Lymphoma

NCT05861050
View directory record Official record
Conditions
Blastoid Variant Mantle Cell Lymphoma, Mantle Cell Lymphoma, Pleomorphic Variant Mantle Cell Lymphoma
Interventions
Biopsy, Biospecimen Collection, Bone Marrow Biopsy, Computed Tomography, Glofitamab, Lenalidomide, Obinutuzumab, Positron Emission Tomography, Venetoclax
Procedure · Biological · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Duarte, California • New York, New York • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Active, not recruiting Phase 2 Interventional

Dose-Escalated Proton Radiation Therapy for High-Risk Prostate Cancer

NCT03624660
View directory record Official record
Conditions
Adenocarcinoma of the Prostate
Interventions
HR-A, HR-B
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1Phase 2 Interventional Results available

ProspectiveTrial of Proton Beam Combined With Anti-VEGF Therapy for Exudative Age-related Macular Degeneration (AMD)

NCT01213082
View directory record Official record
Conditions
Exudative Age-related Macular Degeneration
Interventions
24GyE proton and Anti-VEGF, 16GyE and anti-VEGF, Sham Irradiation and anti-VEGF
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 16, 2026, 4:43 AM 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 16, 2026, 4:43 AM EDT
Completed Phase 3 Interventional

Gallium Ga 68-labeled PSMA-11 PET/CT in Detecting Recurrent Prostate Cancer in Patients After Initial Therapy

NCT02940262
View directory record Official record
Conditions
Prostate Adenocarcinoma, Recurrent Prostate Carcinoma
Interventions
Gallium Ga 68 Gozetotide, Laboratory Biomarker Analysis, Positron Emission Tomography
Radiation · Other · Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Male only
Enrollment
1,138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 2 Interventional Results available

Effect of Proton Pump Inhibitors on CF Pulmonary Exacerbations

NCT01983774
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Esomeprazole, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effect of Proton Pump Inhibitors on Gut Microbiota and Systemic Inflammation in Older Adults

NCT02844621
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Omeprazole
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
60 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Early Phase 1 Interventional

Fluciclovine F18 PET/CT in Identifying the Origin of Head and Neck Squamous Cell Carcinoma in Patients With Metastatic Cervical Nodal Disease

NCT03868020
View directory record Official record
Conditions
Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Squamous Cell Carcinoma in Cervical Lymph Node
Interventions
Computed Tomography, Fluciclovine F18, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Not applicable Interventional Results available

HALO Patient Registry: Ablation of Barrett's Esophagus

NCT00848237
View directory record Official record
Conditions
Barrett Esophagus
Interventions
Radiofrequency Ablation (HALO Ablation Systems)
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
Not listed
Enrollment
5,521 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Knoxville and Other US Cities, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2016 · Synced Oct 16, 2026, 4:43 AM EDT
Suspended Phase 2 Interventional

Epcoritamab and Tazemetostat for the Treatment of Relapsed or Refractory Grade I-IIIa Follicular Lymphoma

NCT06575686
View directory record Official record
Conditions
Recurrent Grade 1 Follicular Lymphoma, Recurrent Grade 2 Follicular Lymphoma, Recurrent Grade 3a Follicular Lymphoma, Refractory Grade 1 Follicular Lymphoma, Refractory Grade 2 Follicular Lymphoma, Refractory Grade 3a Follicular Lymphoma
Interventions
Biospecimen Collection, Bone Marrow Biopsy, Computed Tomography, Epcoritamab, Positron Emission Tomography, Tazemetostat
Procedure · Biological · Drug
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 16, 2026, 4:43 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 Oct 16, 2026, 4:43 AM EDT
Terminated No phase listed Observational

Proton Radiation Therapy for Pituitary Adenoma

NCT00798057
View directory record Official record
Conditions
Pituitary Adenoma
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 16, 2026, 4:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Drug-drug Interaction Effect of Omeprazole on the Pharmacokinetics (PK) of AMG 510 in Healthy Participants

NCT05581992
View directory record Official record
Conditions
Healthy Participants
Interventions
AMG 510, Omeprazole
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 16, 2026, 4:43 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Phase I Nab-Paclitaxel Plus Gemcitabine With Proton Therapy for Locally Advanced Pancreatic Cancer (LAPC)

NCT03652428
View directory record Official record
Conditions
Locally Advanced Pancreatic Cancer
Interventions
Gemcitabine, Hypofractionated Ablative Proton Therapy
Drug · Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 16, 2026, 4:43 AM EDT