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Showing 1–24 of 81 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Prostate Brachytherapy Clear all
Recruiting Phase 1Phase 2 Interventional

Safety and Efficacy of 21 Gy, 23 Gy and 25 Gy for High Dose Rate (HDR) Prostate Brachytherapy

NCT03424850
View directory record Official record
Conditions
Prostate Cancer, Prostate Neoplasm
Interventions
HDR brachytherapy
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Recruiting Phase 1Phase 2 Interventional

Neoadjuvant High Dose Rate Brachytherapy Prior to Radical Prostatectomy in Patients With Prostate Cancer

NCT07182279
View directory record Official record
Conditions
Prostate Cancer (Adenocarcinoma)
Interventions
Brachytherapy
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
40 Years and older · Male only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Pd-103 Dose De-Escalation for Early Stage Prostate Cancer: A Prospective Randomized Trial

NCT00247312
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Pd-103
Radiation
Lead sponsor
Schiffler Cancer Center
Other
Eligibility
Male only
Enrollment
319 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
2
States / cities
Seattle, Washington • Wheeling, West Virginia
Source: ClinicalTrials.gov public record
Updated Nov 16, 2015 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 2 Interventional

Brachytherapy in Treating Patients With Prostate Cancer

NCT00003312
View directory record Official record
Conditions
Prostate Cancer
Interventions
iodine I 125
Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
Male only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2013
U.S. locations
241
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 187 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2014 · Synced Sep 3, 2026, 5:45 AM EDT
Withdrawn No phase listed Observational

Biopsy Collection for Men Undergoing Brachytherapy for Prostate Cancer

NCT04243473
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 1Phase 2 Interventional

Using Ultrasound Spectrum Analysis (USA) to Guide Dose Escalated Prostate Brachytherapy

NCT01227642
View directory record Official record
Conditions
Clinical Stage T2b or Less of Prostate Cancer, Prostate Brachytherapy, Transrectal Prostate Ultrasound Treatment Planning
Interventions
An ultrasound-based technique to identify prostate cancer, pre-implant transrectal ultrasound images and planning, ultrasound-based cancer-specific images
Other
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2016 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 2 Interventional

Leuprolide, Bicalutamide, and Implant Radiation Therapy in Treating Patients With Locally Recurrent Prostate Cancer After External-Beam Radiation Therapy

NCT00684905
View directory record Official record
Conditions
Prostate Cancer
Interventions
bicalutamide, leuprolide acetate, adjuvant therapy, neoadjuvant therapy, quality-of-life assessment, brachytherapy
Drug · Procedure · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 11, 2012 · Synced Sep 3, 2026, 5:45 AM EDT
Active, not recruiting Phase 3 Interventional

64Cu-SAR-bisPSMA Positron Emission Tomography: A Phase 3 Study of Participants With Biochemical Recurrence of Prostate Cancer

NCT06970847
View directory record Official record
Conditions
Prostate Cancer, Prostate Cancer Patients With Detectable PSA Following Prostatectomy, Prostate Cancer Recurrent, Prostate Cancer Patients Who Have Brachytherapy Seed Implant, Prostate Cancer Patients Treated by Radiotherapy, Cryotherapy
Interventions
64Cu-SAR-bisPSMA
Drug
Lead sponsor
Clarity Pharmaceuticals Ltd
Industry
Eligibility
18 Years and older · Male only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
18
States / cities
Irvine, California • Los Angeles, California • Montebello, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 3 Interventional

High Versus Low Dose Supplemental External Radiation With Pd-103 for Prostate Cancer

NCT00494546
View directory record Official record
Conditions
Prostate Cancer
Interventions
Pd-103 with 20 vs 44 Gy supplemental beam XRT
Procedure
Lead sponsor
VA Puget Sound Health Care System
Federal
Eligibility
40 Years to 80 Years · Male only
Enrollment
568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 28, 2007 · Synced Sep 3, 2026, 5:45 AM EDT
Not listed Phase 3 Interventional

I-125 Versus Pd-103 for Medium Risk Prostate Cancer

NCT00486499
View directory record Official record
Conditions
Prostate Cancer
Interventions
I-125 versus Pd-103 radioactive seed insertion
Procedure
Lead sponsor
VA Puget Sound Health Care System
Federal
Eligibility
40 Years to 90 Years · Male only
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 13, 2007 · Synced Sep 3, 2026, 5:45 AM EDT
Withdrawn Not applicable Interventional

Targeted Biopsies in Determining Response in Patients With Prostate Cancer Undergoing High-Dose-Rate Brachytherapy

NCT02597894
View directory record Official record
Conditions
Stage III Prostate Adenocarcinoma
Interventions
Biopsy of Prostate, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 3, 2026, 5:45 AM EDT
Terminated Phase 1Phase 2 Interventional

NBTXR3 Nanoparticles and EBRT or EBRT With Brachytherapy in the Treatment of Prostate Adenocarcinoma

NCT02805894
View directory record Official record
Conditions
Prostate Cancer
Interventions
NBTXR3 activated by IMRT only, NBTXR3 activated by Brachytherapy & IMRT
Drug
Lead sponsor
Nanobiotix
Industry
Eligibility
18 Years and older · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2021 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 2 Interventional Results available

A Study of Patients Receiving High-Dose Rate Brachytherapy

NCT00924027
View directory record Official record
Conditions
Cervical Cancer, Endometrial Cancer, Esophageal Cancer, Prostate Cancer, Biliary Cancer
Interventions
High Dose Radiation (HDR) Brachytherapy, MRI, CT, PET Scan
Radiation · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 3, 2026, 5:45 AM EDT
Terminated Phase 3 Interventional Results available

Biomarker Study of Neoadjuvant Vitamin E in Patients With Locally Treatable Prostate Cancer

NCT00809458
View directory record Official record
Conditions
Prostate Cancer
Interventions
Vitamin E
Drug
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Sep 3, 2026, 5:45 AM EDT
Completed No phase listed Observational

Immune Responses in Prostate, Lung, Melanoma and Breast Cancer Patients Following Stereotactic Body Radiotherapy (SBRT), Intensity Modulated Radiotherapy (IMRT) or Brachytherapy

NCT01777802
View directory record Official record
Conditions
Prostate Cancer, Breast Cancer, Lung Cancer, Melanoma
Interventions
SBRT, IMRT, Brachytherapy
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 3 Interventional

Study of Tamsulosin and/or Dutasteride to Relieve Urinary Symptoms After Brachytherapy for Localized Prostate Cancer

NCT00244309
View directory record Official record
Conditions
Prostate Cancer
Interventions
tamsulosin and/or dutasteride
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2011 · Synced Sep 3, 2026, 5:45 AM EDT
Withdrawn Not applicable Interventional

A Study of Focal Salvage High-Dose-Rate Brachytherapy for Prostate Gland Only Recurrence

NCT04645810
View directory record Official record
Conditions
Prostate Cancer, HDR
Interventions
High-Dose-Rate Brachytherapy
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 3, 2026, 5:45 AM EDT
Completed No phase listed Observational

Phase I Targeting Dominant Intraprostatic Lesion Using MR Spectroscopy and HDR Brachytherapy

NCT00807820
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2014 · Synced Sep 3, 2026, 5:45 AM EDT
Active, not recruiting Phase 2 Interventional

Brachytherapy for Prostatic Carcinoma Patients

NCT00525720
View directory record Official record
Conditions
Prostate Cancer
Interventions
Brachytherapy, Questionnaire
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Terminated Not applicable Interventional

Rectal Spacer Hydrogel Before Radiation Therapy in Reducing Radiation Dose to the Rectum in Patients With Prostate Cancer

NCT05224869
View directory record Official record
Conditions
Prostate Cancer
Interventions
Medical Device Usage and Evaluation, CT simulation, Stereotactic body radiation therapy, Brachytherapy, Post-implant dosimetry scan
Device · Procedure · Radiation
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Sep 3, 2026, 5:45 AM EDT
Not listed Phase 4 Interventional

Comparison of Between ThinSeed™ and OncoSeed™ for Permanent Prostate Brachytherapy

NCT01379742
View directory record Official record
Conditions
Prostate Cancer
Interventions
RapidStrand seeds for use with 18g needle, ThinStrand
Device
Lead sponsor
Prostate Cancer Foundation of Chicago
Other
Eligibility
40 Years and older · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Westmont, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 12, 2013 · Synced Sep 3, 2026, 5:45 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Combination of Nivolumab Immunotherapy With Radiation Therapy and Androgen Deprivation Therapy

NCT03543189
View directory record Official record
Conditions
Prostate Cancer, Prostate Disease
Interventions
Nivolumab, Brachytherapy, External Beam Radiation Therapy, Androgen Deprivation Therapy
Drug · Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 3, 2026, 5:45 AM EDT
Recruiting Phase 1Phase 2 Interventional

HSV-tk + Valacyclovir Therapy in Combination With Brachytherapy for Recurrent Prostate Cancer

NCT01913106
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
HSV-tk +Valacyclovir in Combination with Brachytherapy
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2016 · Synced Sep 3, 2026, 5:45 AM EDT
Completed Phase 2 Interventional Results available

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

NCT00091390
View directory record Official record
Conditions
Prostate Cancer
Interventions
High Dose brachytherapy boost, External beam radiotherapy
Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
12
States / cities
Burbank, California • Inglewood, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2020 · Synced Sep 3, 2026, 5:45 AM EDT