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ClinicalTrials.gov public records Last synced Oct 3, 2026, 10:56 AM EDT

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Showing 25–48 of 113 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Treatment With Proton Beam Radiation Therapy Clear all
Active, not recruiting Phase 2 Interventional

Hypofractionated Proton Beam Therapy for Localized Prostate Cancer

NCT01950351
View directory record Official record
Conditions
Stage I Prostate Adenocarcinoma AJCC v7, Stage II Prostate Adenocarcinoma AJCC v7
Interventions
Laboratory Biomarker Analysis, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Other · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 3, 2026, 10:56 AM EDT
Completed Not applicable Interventional

Semen Analysis After Proton Therapy for Prostate Cancer

NCT01072513
View directory record Official record
Conditions
Prostate Cancer
Interventions
Semen analysis
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Oct 3, 2026, 10:56 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

External Beam Radiation With or Without Chemotherapy to Treat High Risk Prostate Cancer

NCT01603420
View directory record Official record
Conditions
Prostate Cancer
Interventions
Luteinizing hormone-releasing hormone (LHRH), Docetaxel, Conformal Radiation Therapy (RT)
Drug · Other
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years to 75 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Warrenville, Illinois • Oklahoma City, Oklahoma • Hampton, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 3, 2026, 10:56 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Impact of Adjuvant Liquid Alginate on Endoscopic Ablation Therapy of Complicated Barrett's Esophagus

NCT03193216
View directory record Official record
Conditions
Barretts Esophagus With Dysplasia
Interventions
Alginates
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Oct 3, 2026, 10:56 AM EDT
Completed Phase 3 Interventional Results available

Proton/Photon Rt - Benign Meningiomas(P92-13)

NCT02947984
View directory record Official record
Conditions
Benign Meningioma
Interventions
Standard Treatment, Higher Dose
Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 3, 2026, 10:56 AM 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 3, 2026, 10:56 AM 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 3, 2026, 10:56 AM 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 3, 2026, 10:56 AM EDT
Terminated Early Phase 1 Interventional

Proton Based Cardiac Sparing Accelerated Fractionated RadioTherapy in Unresectable NSCLC

NCT03818776
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Durvalumab, Proton beam therapy RT
Drug · Radiation
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 3, 2026, 10:56 AM EDT
Completed Phase 3 Interventional

Efficacy/Safety of Lansoprazole in Patients With Frequent Heartburn

NCT00389948
View directory record Official record
Conditions
Heartburn
Interventions
Lanzoprazole
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
28
States / cities
Hoover, Alabama • Huntsville, Alabama • Sierra Vista, Arizona + 23 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2007 · Synced Oct 3, 2026, 10:56 AM EDT
Recruiting Phase 3 Interventional

Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial

NCT06500481
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, Involved-Field Radiation Therapy, Lumbar Puncture, Magnetic Resonance Imaging, Positron Emission Tomography, Proton Beam Craniospinal Irradiation, Quality-of-Life Assessment
Procedure · Radiation · Other
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
58
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Encinitas, California + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 3, 2026, 10:56 AM EDT
Terminated Not applicable Interventional Results available

COPD Patients Diagnosed With GERD,COPD Exacerbations After Treatment With High Dose PPI

NCT00523367
View directory record Official record
Conditions
Gastroesophageal Reflux, Chronic Obstructive Pulmonary Disease
Interventions
24 hour pH testing
Procedure
Lead sponsor
University of Florida
Other
Eligibility
40 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2013 · Synced Oct 3, 2026, 10:56 AM EDT
Active, not recruiting Phase 3 Interventional

Intensity-Modulated Proton Beam Therapy or Intensity-Modulated Photon Therapy in Treating Patients With Stage III-IVB Oropharyngeal Cancer

NCT01893307
View directory record Official record
Conditions
Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7
Interventions
Intensity-Modulated Radiation Therapy, Laboratory Biomarker Analysis, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Gainesville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 3, 2026, 10:56 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 Oct 3, 2026, 10:56 AM EDT
Completed Phase 3 Interventional

Efficacy/Safety of Lansoprazole in Patients With Frequent Nighttime Heartburn

NCT00701259
View directory record Official record
Conditions
Frequent Heartburn
Interventions
Lansoprazole, placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Parsippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 15, 2010 · Synced Oct 3, 2026, 10:56 AM EDT
Completed No phase listed Observational

A Study of Photon and Proton Chemoradiotherapy as Definitive or Neoadjuvant Therapy in Non-Metastatic Pancreatic Cancer

NCT03902600
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Moderately Hypofractionated RT
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 3, 2026, 10:56 AM EDT
Not yet recruiting Phase 2 Interventional

Proton Spatially Fractionated Radiotherapy or Photon Stereotactic Body Radiotherapy in Combination With Pembrolizumab Before Surgery for the Treatment of Locally Advanced and Radiation-Naive Locoregionally Recurrent Oral Cavity Cancer, OSPRI Trial

NCT07783581
View directory record Official record
Conditions
Locally Advanced Oral Cavity Squamous Cell Carcinoma, Locally Recurrent Oral Cavity Squamous Cell Carcinoma, Oral Cavity Squamous Cell Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Pembrolizumab, Photon Stereotactic Body Radiation Therapy, Positron Emission Tomography, Spatially-fractionated Radiation Therapy, Surgical Procedure
Procedure · Biological · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 3, 2026, 10:56 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 3, 2026, 10:56 AM 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 3, 2026, 10:56 AM EDT
Completed Phase 3 Interventional

Radiation Therapy in Treating Patients With Stage I or Stage II Prostate Cancer

NCT00002703
View directory record Official record
Conditions
Prostate Cancer
Interventions
high-LET heavy ion therapy, low-LET photon therapy
Radiation
Lead sponsor
Proton Radiation Oncology Group
Other
Eligibility
Male only
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
2
States / cities
Loma Linda, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2013 · Synced Oct 3, 2026, 10:56 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Dose-Escalated Photon IMRT or Proton Beam Radiation Therapy Versus Standard-Dose Radiation Therapy and Temozolomide in Treating Patients With Newly Diagnosed Glioblastoma

NCT02179086
View directory record Official record
Conditions
Glioblastoma
Interventions
Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Temozolomide
Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
230
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 179 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 3, 2026, 10:56 AM EDT
Active, not recruiting Not applicable Interventional

Proton Boost in Prostate Cancer

NCT03564275
View directory record Official record
Conditions
Cancer of the Prostate
Interventions
Proton Boost
Radiation
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2033
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 3, 2026, 10:56 AM EDT
Active, not recruiting Phase 2 Interventional

Radiation Therapy in Treating Patients With Stage 0-II Breast Cancer

NCT01245712
View directory record Official record
Conditions
Breast Adenocarcinoma, Ductal Breast Carcinoma In Situ, Invasive Breast Carcinoma, Stage 0 Breast Cancer AJCC v6 and v7, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7
Interventions
Accelerated Partial Breast Irradiation, Proton Beam Radiation Therapy, Quality-of-Life Assessment
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 3, 2026, 10:56 AM EDT
Completed Phase 2 Interventional Results available

A Study in Patients With Erosive Esophagitis to Investigate Safety, Tolerability, and Healing Rates After 4 Weeks Treatment of X842 or Lansoprazole and Symptom Pattern During Subsequent 4 Weeks Treatment With Lansoprazole

NCT05055128
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
X842, X842 Dummy, Lansoprazole, Lansoprazole Dummy
Drug
Lead sponsor
Cinclus Pharma Holding AB
Industry
Eligibility
18 Years to 75 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 3, 2026, 10:56 AM EDT