Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 9:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Proton Boost Clear all
Recruiting Phase 2 Interventional

Proton Radiation for Unresectable, Borderline Resectable, or Medically Inoperable Carcinoma of the Pancreas

NCT02598349
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton Radiation, Capecitabine, Surgical resection
Radiation · Drug · Procedure
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2040
U.S. locations
4
States / cities
Jacksonville, Florida • Warrenville, Illinois • Flint, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 25, 2026, 9:47 AM EDT
Withdrawn Phase 2 Interventional

Neoadjuvant Short-course Hypofractionated PBT for Non-metastatic RPS

NCT05302570
View directory record Official record
Conditions
Retroperitoneal Sarcoma
Interventions
Hypofractionated Proton Beam Therapy
Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Sep 25, 2026, 9:47 AM EDT
Terminated Not applicable Interventional Results available

Stem Cell Radiotherapy and Temozolomide for Newly Diagnosed High-grade Glioma

NCT02039778
View directory record Official record
Conditions
Glioblastoma, Malignant Glioma, Brain Tumors, Anaplastic Astrocytoma
Interventions
Stem Cell Radiotherapy (ScRT) and Temozolomide
Radiation
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2017 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Phase 2 Interventional

Hypofractionated WPPT With HDR Boost

NCT06591819
View directory record Official record
Conditions
Prostate Cancer
Interventions
Hypofractionated Whole Pelvis Proton Therapy with Brachytherapy Boost
Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 25, 2026, 9:47 AM 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 1, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Active, not recruiting Phase 3 Interventional

Phase III Study of 5tx vs 15tx of RT (X-rays or Protons) Including RNI in Breast Cancer Patients

NCT04443413
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8
Interventions
Proton Beam Radiation Therapy, Questionnaire Administration, X-ray Therapy
Radiation · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 25, 2026, 9:47 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 5, 2013 · Synced Sep 25, 2026, 9:47 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 12, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Completed Not applicable Interventional Results available

Docetaxel, Androgen Deprivation and Proton Therapy for High Risk Prostate Cancer

NCT01040624
View directory record Official record
Conditions
Prostate Cancer
Interventions
> 15% risk of + LN
Radiation
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Phase 2 Interventional

Molecular and Clinical Risk-Directed Therapy for Infants and Young Children With Newly Diagnosed Medulloblastoma

NCT05535166
View directory record Official record
Conditions
Medulloblastoma
Interventions
Surgical resection, Ommaya/VPS, Methotrexate, Cisplatin, Vincristine, Cyclophosphamide, Carboplatin, Topotecan, Etoposide, Pegfilgrastim, Filgrastim, Irradiation, Educational and Media Intervention, SOC, Educational and Media Intervention
Procedure · Drug · Radiation + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 59 Months
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2035
U.S. locations
10
States / cities
Palo Alto, California • Orlando, Florida • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Phase 3 Interventional

Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

NCT05856773
View directory record Official record
Conditions
Breast Cancer
Interventions
Proton Therapy
Radiation
Lead sponsor
Proton Collaborative Group
Network
Eligibility
19 Years and older · Female only
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2041
U.S. locations
9
States / cities
Scottsdale, Arizona • San Diego, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Not applicable Interventional

Postoperative or Salvage Radiotherapy (RT) for Node Negative Prostate Cancer Following Radical Prostatectomy

NCT00969111
View directory record Official record
Conditions
Prostate Cancer
Interventions
IMRT to 45 Gy; prostate bed proton boost of 21.6 CGE, Proton (prostate bed) to 70.2 CGE, IMRT to 45 Gy; proton boost to prostate bed to 25.2 CGE, Proton to 66.6 CGE
Radiation
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2050
U.S. locations
6
States / cities
Little Rock, Arkansas • Jacksonville, Florida • Warrenville, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 25, 2026, 9:47 AM 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 15, 2026 · Synced Sep 25, 2026, 9:47 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 10, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Not applicable Interventional

Proton Radiation Therapy for the Treatment of Patients With High Risk Prostate Cancer

NCT04725903
View directory record Official record
Conditions
Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8
Interventions
High-Dose Rate Brachytherapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Survey Administration
Radiation · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Induction Paclitaxel Followed by Concurrent Paclitaxel and Radiation Therapy for Cutaneous Angiosarcoma

NCT03921008
View directory record Official record
Conditions
Cutaneous Angiosarcoma
Interventions
Paclitaxel, Radiation therapy, Research blood draw
Drug · Radiation · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 25, 2026, 9:47 AM 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 30, 2026 · Synced Sep 25, 2026, 9:47 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 30, 2025 · Synced Sep 25, 2026, 9:47 AM EDT
Recruiting Not applicable Interventional

Spectroscopic MRI, Proton Therapy, and Avastin for Recurrent Glioblastoma

NCT05284643
View directory record Official record
Conditions
Recurrent Glioblastoma
Interventions
Intensity Modulated Proton Therapy (IMPT), Bevacizumab
Radiation · Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 25, 2026, 9:47 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 – 2026
U.S. locations
230
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 179 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Active, not recruiting Phase 2 Interventional Results available

A Trial of Surgery and Fractionated Re-Irradiation for Recurrent Ependymoma

NCT02125786
View directory record Official record
Conditions
Ependymoma
Interventions
Irradiation, Surgery, ^1^8F-Fluorodeoxyglucose, ^1^1C-methionine, Photon therapy, Proton therapy
Radiation · Procedure · Drug + 1 more
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 21 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Completed Phase 1 Interventional

Simultaneous Integrated Boost (SIB) in Esophageal Cancer

NCT01102088
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Radiation Therapy
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Sep 25, 2026, 9:47 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 12, 2026 · Synced Sep 25, 2026, 9:47 AM EDT
Active, not recruiting Phase 2 Interventional

A Clinical and Molecular Risk-Directed Therapy for Newly Diagnosed Medulloblastoma

NCT01878617
View directory record Official record
Conditions
Medulloblastoma
Interventions
Craniospinal Irradiation with boost to the primary tumor site, Cyclophosphamide, Cisplatin, Vincristine, Vismodegib, Pemetrexed, Gemcitabine, Aerobic Training, Neurocognitive Remediation
Radiation · Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
3 Years to 39 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
14
States / cities
Palo Alto, California • San Diego, California • New Haven, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 25, 2026, 9:47 AM EDT