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ClinicalTrials.gov public records Last synced Oct 7, 2026, 8:49 PM EDT

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Showing 49–72 of 113 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Treatment With Proton Beam Radiation Therapy Clear all
Suspended Phase 2 Interventional

Stereotactic Body Radiation Therapy or Intensity Modulated Radiation/Proton Therapy in Treating Patients With Recurrent Head and Neck Cancer

NCT03164460
View directory record Official record
Conditions
Recurrent Head and Neck Carcinoma
Interventions
Intensity-Modulated Radiation Therapy, Proton Radiation, Stereotactic Body Radiation Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Recruiting Phase 1Phase 2 Interventional

Proton or Photon RT for Retroperitoneal Sarcomas

NCT01659203
View directory record Official record
Conditions
Retroperitoneal Sarcoma
Interventions
IG-IMPT, IG IMRT
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
10
States / cities
Chicago, Illinois • Boston, Massachusetts • Rochester, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 7, 2026, 8:49 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 7, 2026, 8:49 PM EDT
Completed Not applicable Interventional

Vertebral Body Sparing Craniospinal Irradiation for Pediatric Patients With Cancer of the Central Nervous System

NCT04276194
View directory record Official record
Conditions
Malignant Central Nervous System Neoplasm
Interventions
Intensity-Modulated Proton Therapy, Magnetic Resonance Imaging
Procedure
Lead sponsor
Emory University
Other
Eligibility
3 Years to 18 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Not applicable Interventional Results available

Anticoagulation With Enhanced Gastrointestinal Safety (AEGIS) Trial

NCT05085405
View directory record Official record
Conditions
Upper Gastrointestinal Bleeding
Interventions
Clinician notification, Clinician Notification with Nurse Facilitation, Clinician Notification / Patient Activation, Clinician Notification with Nurse Facilitation / Patient Activation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT05319899
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840, 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 1, 2023 · Synced Oct 7, 2026, 8:49 PM 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 7, 2026, 8:49 PM EDT
Recruiting Not applicable Interventional

A Study of Breath Testing for Small Intestinal Bacterial Overgrowth

NCT05976165
View directory record Official record
Conditions
Gastroesophageal Reflux, Regurgitation, Heartburn
Interventions
Breath Testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

Validation of Patient-reported Outcomes Measures for the Assessment of Gastroesophageal Reflux Disease (GERD) Symptoms

NCT00703534
View directory record Official record
Conditions
GERD, Acid Reflux Disease, Heartburn, Regurgitation
Interventions
AZD3355, Placebo, Gelusil®
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
84
States / cities
Athens, Alabama • Tucson, Arizona • Little Rock, Arkansas + 81 more
Source: ClinicalTrials.gov public record
Updated Jun 20, 2011 · Synced Oct 7, 2026, 8:49 PM EDT
Recruiting Not applicable Interventional

Spectroscopic MRI Guided Proton Therapy in Assessing Metabolic Change in Pediatric Patients With Brain Tumors

NCT04908709
View directory record Official record
Conditions
Malignant Brain Glioma
Interventions
Magnetic Resonance Spectroscopic Imaging, Proton Therapy
Procedure · Device
Lead sponsor
Emory University
Other
Eligibility
Up to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 7, 2026, 8:49 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 7, 2026, 8:49 PM EDT
Completed Not applicable Interventional Results available

A Clinical Trial of Proton Pump Inhibitors to Treat Children With Chronic Otitis Media With Effusion

NCT00546117
View directory record Official record
Conditions
Otitis Media With Effusion
Interventions
lansoprazole, placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 12 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 7, 2026, 8:49 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 7, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

Short Course Radiation Therapy With Proton or Photon Beam Capecitabine and Hydroxychloroquine for Resectable Pancreatic Cancer

NCT01494155
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Capecitabine, Hydroxychloroquine, Proton or Photon Radiation Therapy
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Phase 1 Interventional

Hypofractionated Proton Beam Radiation Therapy, Paclitaxel, and Carboplatin in Treating Patients With Stage II-III Non-Small Cell Lung Cancer

NCT02172846
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Proton beam radiation therapy (PBT), Paclitaxel, Carboplatin
Radiation · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 8, 2017 · Synced Oct 7, 2026, 8:49 PM EDT
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 7, 2026, 8:49 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 7, 2026, 8:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Randomized Trial of Medical and Surgical Treatments for Patients With GERD Symptoms That Are Refractory to Proton Pump Inhibitors

NCT01265550
View directory record Official record
Conditions
GERD
Interventions
Nissen fundoplication, baclofen, Desipramine
Device · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 64 Years
Enrollment
366 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
15
States / cities
Birmingham, Alabama • Tucson, Arizona • Loma Linda, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 7, 2026, 8:49 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Image-Guided, Intensity-Modulated Photon or Proton Beam Radiation Therapy in Treating Patients With Stage II-IIIB Non-small Cell Lung Cancer

NCT01629498
View directory record Official record
Conditions
Recurrent Lung Non-Small Cell Carcinoma, Stage II Non-Small Cell Lung Cancer AJCC v7, Stage IIA Non-Small Cell Lung Carcinoma AJCC v7, Stage IIB Non-Small Cell Lung Carcinoma AJCC v7, Stage IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Lung Non-Small Cell Cancer AJCC v7
Interventions
Image Guided Radiation Therapy, Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Questionnaire Administration
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Active, not recruiting No phase listed Observational

Medical Data Collection of Patients With Head and Neck Cancer Treated With Proton Therapy

NCT01627093
View directory record Official record
Conditions
Head and Neck Carcinoma
Interventions
Medical Chart Review, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Active, not recruiting Phase 2 Interventional

A Study To Evaluate Hypofractionated Proton Therapy Or IMRT For Recurrent, Oligometastatic Prostate Cancer

NCT04190446
View directory record Official record
Conditions
Metastatic Prostate Adenocarcinoma, Oligometastatic Prostate Carcinoma, Prostate Adenocarcinoma, Recurrent Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Intensity-Modulated Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration, Computed Tomography, Magnetic Resonance Imaging, Biospecimen Collection
Radiation · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Proton Magnetic Spectroscopy in Children and Adolescents With ADHD Before and After Treatment With OROS Methylphenidate

NCT00593112
View directory record Official record
Conditions
ADHD
Interventions
OROS methylphenidate, No intervention
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 18 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2012 · Synced Oct 7, 2026, 8:49 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy of Lansoprazole 30mg Twice Daily in Treatment of Laryngitis Associated With Gastroesophageal Reflux

NCT00369265
View directory record Official record
Conditions
Laryngopharyngeal Reflux
Interventions
Lansoprazole, Sugar pill
Drug · Dietary Supplement
Lead sponsor
American Institute for Voice and Ear Research
Other
Eligibility
18 Years to 89 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Detroit, Michigan • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2012 · Synced Oct 7, 2026, 8:49 PM EDT
Completed Phase 2 Interventional Results available

Hypofractionation Proton Beam Therapy With Concurrent Treatment of Prostate and Pelvic Nodes for Prostate Cancer

NCT02874014
View directory record Official record
Conditions
Prostate Cancer
Interventions
Hypofractionation Proton beam therapy with Concurrent Treatment of the Prostate and Pelvic Nodes
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 7, 2026, 8:49 PM EDT