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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:22 PM EDT

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Showing 217–240 of 868 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Proton Clear all
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 23, 2026, 5:22 PM EDT
Terminated Phase 1 Interventional Results available

11C-YJH08 PET Imaging for Detection of Glucocorticoid Receptor Expression

NCT04927663
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Carcinoma, Stage IV Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8, Solid Tumor, Adult, Solid Tumor, Metastatic Castration-resistant Prostate Cancer
Interventions
Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, 11C-YJH08, Optional Tumor Biopsy
Procedure · Drug
Lead sponsor
Rahul Aggarwal
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Oct 23, 2026, 5:22 PM EDT
Recruiting Phase 2 Interventional

Shortening Adjuvant Photon and Proton Irradiation (SAPPHIRe-II): A 4 Cohort, Randomized, Phase II Multi-center Trial Evaluating Shorter Schedules of Adjuvant Regional Nodal Irradiation Among Women and Men With Node-positive and High-risk Node-negative Invasive Breast Cancer

NCT07076485
View directory record Official record
Conditions
Breast Cancer
Interventions
Ultrahypofractionated Radiation, Moderately Hypofractionated Radiation
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Loveland, Colorado • Jacksonville, Florida • Voorhees Township, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Dexlansoprazole MR on Heartburn Control in Participants Previously Receiving Twice Daily Proton Pump Inhibitor Therapy

NCT00847808
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
Dexlansoprazole MR QD
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
52
States / cities
Hueytown, Alabama • Chandler, Arizona • Sierra Vista, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2012 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Pilot Study To Investigate The Association Between Acid Control And Heartburn Symptoms After Proton Pump Inhibitor Treatment

NCT02708355
View directory record Official record
Conditions
Heartburn
Interventions
Esomeprazole 20 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
22 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 23, 2026, 5:22 PM EDT
Terminated Phase 3 Interventional Results available

Testing the Addition of Targeted Radiation Therapy to Surgery and the Usual Chemotherapy Treatment (Pemetrexed and Cisplatin [or Carboplatin]) for Stage I-IIIA Malignant Pleural Mesothelioma

NCT04158141
View directory record Official record
Conditions
Pleural Biphasic Mesothelioma, Pleural Epithelioid Mesothelioma, Stage I Pleural Malignant Mesothelioma AJCC v8, Stage IA Pleural Malignant Mesothelioma AJCC v8, Stage IB Pleural Malignant Mesothelioma AJCC v8, Stage II Pleural Malignant Mesothelioma AJCC v8, Stage IIIA Pleural Malignant Mesothelioma AJCC v8
Interventions
Carboplatin, Cisplatin, Decortication, Intensity-Modulated Radiation Therapy, Pemetrexed, Pemetrexed Disodium, Pencil beam scanning proton therapy, Pleurectomy
Drug · Procedure · Radiation
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
12
States / cities
Coral Gables, Florida • Chicago, Illinois • Rochester, Minnesota + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 23, 2026, 5:22 PM EDT
Completed No phase listed Observational

Study of Cardiac MRI in Patients With Left-Sided Breast Cancer Receiving Radiation Therapy

NCT02199366
View directory record Official record
Conditions
Breast Cancer
Interventions
Cardiac magnetic resonance (cardiac MRI)
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Sponge and Eosinophil Peroxidase (EPO) Staining

NCT03078023
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
swallowed sponge device
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 23, 2026, 5:22 PM EDT
Active, not recruiting No phase listed Observational

Evaluation of Proton Therapy in Pediatric Cancer Patients

NCT03223766
View directory record Official record
Conditions
Tumor
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2037
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 23, 2026, 5:22 PM 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 Oct 23, 2026, 5:22 PM 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 23, 2026, 5:22 PM EDT
Terminated Not applicable Interventional Results available

Effect of Acid Suppression Medication on Pediatric Microbiome

NCT02016820
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Omeprazole (suspension), Lifestyle Modification
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
0 Years to 4 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Lansoprazole in Chronic Post Nasal Drip

NCT00335283
View directory record Official record
Conditions
Larynx Disease
Interventions
Lansoprazole Tablet, PH and impedence testing, manometry, lansoprazole, placebo
Drug · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 21, 2012 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Proton Particle Therapy for Cardiac Arrhythmia

NCT04392193
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Bevacizumab With or Without Radiation Therapy in Treating Patients With Recurrent Glioblastoma

NCT01730950
View directory record Official record
Conditions
Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Recurrent Adult Brain Tumor
Interventions
bevacizumab, radiation therapy
Biological · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Walnut Creek, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2022 · Synced Oct 23, 2026, 5:22 PM EDT
Terminated Not applicable Interventional Results available

A Pilot Study of Neoadjuvant Therapy With Gemcitabine and Cisplatin in Patients With Resectable or Unresectable Intrahepatic Cholangiocarcinoma

NCT02256982
View directory record Official record
Conditions
Unresectable Intrahepatic Cholangiocarcinoma, Resectable Intrahepatic Cholangiocarcinoma
Interventions
Gemcitabine, Cisplatin, Surgery, Radiation
Drug · Procedure · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 23, 2026, 5:22 PM EDT
Recruiting Phase 2 Interventional

Phase 2 Randomized Trial of Flexible Dosing Schedule of 177Lu-PSMA-617 for the Treatment of Metastatic Castration-Resistant Prostate Cancer (FLEX-MRT)

NCT06216249
View directory record Official record
Conditions
Prostate Carcinoma, Stage IVB Prostate Cancer American Joint Committee on Cancer (AJCC) v8
Interventions
Computed Tomography, Gallium Ga 68 Gozetotide, Lutetium Lu 177 Vipivotide Tetraxetan, Positron Emission Tomography, PSMA PET Scan, Questionnaire Administration, Single Photon Emission Computed Tomography
Procedure · Other · Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 23, 2026, 5:22 PM EDT
Completed No phase listed Observational

Primary Hyperoxaluria Mutation Genotyping/Phenotyping

NCT02340689
View directory record Official record
Conditions
Primary Hyperoxaluria
Interventions
Genetic Analysis
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Day and older
Enrollment
1,235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 23, 2026, 5:22 PM EDT
Active, not recruiting Phase 3 Interventional

Comparing Photon Therapy To Proton Therapy To Treat Patients With Lung Cancer

NCT01993810
View directory record Official record
Conditions
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 III Non-Small Cell Lung Cancer AJCC v7, Stage IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Non-Small Cell Lung Cancer AJCC v7
Interventions
Carboplatin, Cisplatin, Durvalumab, Etoposide, Paclitaxel, Pemetrexed Disodium, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Drug · Biological · Radiation + 1 more
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
30
States / cities
Jacksonville, Florida • Warrenville, Illinois • Baltimore, Maryland + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 23, 2026, 5:22 PM EDT
Recruiting Phase 1 Interventional

PET/MRI, 18F-FDG PET/CT and Whole Body MRI in Finding Extramedullary Myeloid Leukemia in Patients With Newly Diagnosed Acute Myeloid Leukemia

NCT02390635
View directory record Official record
Conditions
Acute Myeloid Leukemia, Acute Promyelocytic Leukemia With PML-RARA
Interventions
Computed Tomography, Diffusion Weighted Imaging, Fludeoxyglucose F-18, Gadolinium, Magnetic Resonance Imaging, Positron Emission Tomography, Three-Dimensional Spoiled Gradient MRI
Procedure · Radiation · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 5:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Multi-Organ Metabolism and Perfusion in NAFLD by Total Body Dynamic PET Scan on EXPLORER

NCT04165343
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD), Nonalcoholic Steatohepatitis (NASH)
Interventions
Positron Emission Tomography (PET) on EXPLORER, Magnetic Resonance Imaging, Echocardiogram and Electrocardiogram, Blood test
Radiation · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 23, 2026, 5:22 PM EDT
Terminated Not applicable Interventional Results available

Multi-Tracer Positron Emission Tomography in Patients With Solid Tumors

NCT01243333
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
[F-18]fluorodeoxyglucose, [F-18]fluorothymidine, Positron Emission Tomography, Water O-15
Radiation · Procedure
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 23, 2026, 5:22 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Image and Model Based Analysis of Lung Disease

NCT03764163
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Pulmonary Function Test, CT Scans, Questionnaires, MRI, Xenon gas
Diagnostic Test · Behavioral · Biological
Lead sponsor
Eric A. Hoffman
Other
Eligibility
20 Years to 89 Years
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Oct 23, 2026, 5:22 PM EDT
Recruiting Phase 4 Interventional

Enfortumab Vedotin and Pembrolizumab With Cystectomy and/or Ureterectomy for Locally Advanced or Metastatic Bladder and Upper Urothelial Tract Cancer, CAST-AI Trial

NCT06764095
View directory record Official record
Conditions
Locally Advanced Bladder Urothelial Carcinoma, Locally Advanced Renal Pelvis and Ureter Urothelial Carcinoma, Metastatic Bladder Urothelial Carcinoma, Metastatic Renal Pelvis and Ureter Urothelial Carcinoma, Stage III Bladder Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8, Stage IV Renal Pelvis and Ureter Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Cystectomy, Enfortumab Vedotin, Local Therapy, Magnetic Resonance Imaging, Pembrolizumab, Positron Emission Tomography, Questionnaire Administration, Ureterectomy
Procedure · Drug · Biological + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 23, 2026, 5:22 PM EDT