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Completed Phase 2 Interventional Results available

Testing the Effects of Oxybutynin for the Treatment of Hot Flashes in Men Receiving Hormone Therapy for Prostate Cancer

ClinicalTrials.gov ID: NCT04600336

Public ClinicalTrials.gov record NCT04600336. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:29 PM EDT

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

Official title

A Randomized, Double-Blind, Placebo-Controlled Phase II Study of Oxybutynin Versus Placebo for the Treatment of Hot Flashes in Men Receiving Androgen Deprivation Therapy

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This phase II trial compares the effect of oxybutynin versus placebo for reducing hot flashes in men receiving androgen deprivation (hormone) therapy for the treatment of prostate cancer . Androgen deprivation therapy decreases testosterone and other androgens through medications or surgical removal of the testicles. Relative to placebo, low- or high-dose oxybutynin may reduce hot flashes in men receiving androgen deprivation therapy.

Study identification

NCT ID
NCT04600336
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
88 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 27, 2021
Primary completion
Feb 4, 2024
Completion
Mar 10, 2024
Last update posted
Mar 29, 2025

2021 – 2024

United States locations

U.S. sites
103
U.S. states
20
U.S. cities
80
Facility City State ZIP Site status
Arizona Breast Cancer Specialists-Gilbert Gilbert Arizona 85297
Arizona Center for Cancer Care-Peoria Peoria Arizona 85381
Cancer Center at Saint Joseph's Phoenix Arizona 85004
Arizona Breast Cancer Specialists-Phoenix Phoenix Arizona 85027
Arizona Breast Cancer Specialists Scottsdale Arizona 85251
Arizona Breast Cancer Specialists-Scottsdale Scottsdale Arizona 85258
Arizona Center for Cancer Care-Surprise Surprise Arizona 85374
University of Arizona Cancer Center-North Campus Tucson Arizona 85719
Fremont - Rideout Cancer Center Marysville California 95901
Gene Upshaw Memorial Tahoe Forest Cancer Center Truckee California 96161
Grand Valley Oncology Grand Junction Colorado 81505
Baptist MD Anderson Cancer Center Jacksonville Florida 32207
Hawaii Cancer Care Inc - Waterfront Plaza Honolulu Hawaii 96813
Hawaii Cancer Care - Westridge ‘Aiea Hawaii 96701
Carle at The Riverfront Danville Illinois 61832
Cancer Care Specialists of Illinois - Decatur Decatur Illinois 62526
Decatur Memorial Hospital Decatur Illinois 62526
Carle Physician Group-Effingham Effingham Illinois 62401
Crossroads Cancer Center Effingham Illinois 62401
Carle Physician Group-Mattoon/Charleston Mattoon Illinois 61938
Cancer Care Center of O'Fallon O'Fallon Illinois 62269
Southern Illinois University School of Medicine Springfield Illinois 62702
Springfield Clinic Springfield Illinois 62702
Memorial Medical Center Springfield Illinois 62781
Carle Cancer Center Urbana Illinois 61801
Mary Greeley Medical Center Ames Iowa 50010
McFarland Clinic - Ames Ames Iowa 50010
McFarland Clinic - Boone Boone Iowa 50036
Iowa Methodist Medical Center Des Moines Iowa 50309
Medical Oncology and Hematology Associates-Des Moines Des Moines Iowa 50309
Mercy Medical Center - Des Moines Des Moines Iowa 50314
McFarland Clinic - Trinity Cancer Center Fort Dodge Iowa 50501
McFarland Clinic - Jefferson Jefferson Iowa 50129
McFarland Clinic - Marshalltown Marshalltown Iowa 50158
Genesee Cancer and Blood Disease Treatment Center Flint Michigan 48503
Genesee Hematology Oncology PC Flint Michigan 48503
Genesys Hurley Cancer Institute Flint Michigan 48503
Ascension Saint Mary's Hospital Saginaw Michigan 48601
Oncology Hematology Associates of Saginaw Valley PC Saginaw Michigan 48604
Ascension Saint Joseph Hospital Tawas City Michigan 48764
Fairview Ridges Hospital Burnsville Minnesota 55337
Minnesota Oncology - Burnsville Burnsville Minnesota 55337
Mercy Hospital Coon Rapids Minnesota 55433
Fairview Southdale Hospital Edina Minnesota 55435
Unity Hospital Fridley Minnesota 55432
Fairview Clinics and Surgery Center Maple Grove Maple Grove Minnesota 55369
Minnesota Oncology Hematology PA-Maplewood Maplewood Minnesota 55109
Saint John's Hospital - Healtheast Maplewood Minnesota 55109
Abbott-Northwestern Hospital Minneapolis Minnesota 55407
Hennepin County Medical Center Minneapolis Minnesota 55415
Monticello Cancer Center Monticello Minnesota 55362
New Ulm Medical Center New Ulm Minnesota 56073
North Memorial Medical Health Center Robbinsdale Minnesota 55422
Mayo Clinic in Rochester Rochester Minnesota 55905
Park Nicollet Clinic - Saint Louis Park Saint Louis Park Minnesota 55416
Regions Hospital Saint Paul Minnesota 55101
United Hospital Saint Paul Minnesota 55102
Saint Francis Regional Medical Center Shakopee Minnesota 55379
Lakeview Hospital Stillwater Minnesota 55082
Ridgeview Medical Center Waconia Minnesota 55387
Rice Memorial Hospital Willmar Minnesota 56201
Minnesota Oncology Hematology PA-Woodbury Woodbury Minnesota 55125
Fairview Lakes Medical Center Wyoming Minnesota 55092
University of Mississippi Medical Center Jackson Mississippi 39216
MU Health - University Hospital/Ellis Fischel Cancer Center Columbia Missouri 65212
Delbert Day Cancer Institute at PCRMC Rolla Missouri 65401
Nebraska Cancer Specialists/Oncology Hematology West PC - MECC Omaha Nebraska 68114
Nebraska Methodist Hospital Omaha Nebraska 68114
AtlantiCare Health Park-Cape May Court House Cape May Court House New Jersey 08210
AtlantiCare Surgery Center Egg Harbor New Jersey 08234
NYP/Weill Cornell Medical Center New York New York 10065
Montefiore Medical Center-Einstein Campus The Bronx New York 10461
Montefiore Medical Center-Weiler Hospital The Bronx New York 10461
Montefiore Medical Center - Moses Campus The Bronx New York 10467
Messino Cancer Centers Asheville North Carolina 28806
Southeastern Medical Oncology Center-Clinton Clinton North Carolina 28328
Southeastern Medical Oncology Center-Goldsboro Goldsboro North Carolina 27534
Southeastern Medical Oncology Center-Jacksonville Jacksonville North Carolina 28546
Sanford Broadway Medical Center Fargo North Dakota 58122
Sanford Roger Maris Cancer Center Fargo North Dakota 58122
Altru Cancer Center Grand Forks North Dakota 58201
Ohio State University Comprehensive Cancer Center Columbus Ohio 43210
Sanford Cancer Center Oncology Clinic Sioux Falls South Dakota 57104
Sanford USD Medical Center - Sioux Falls Sioux Falls South Dakota 57117-5134
Sovah Health Martinsville Martinsville Virginia 24115
Langlade Hospital and Cancer Center Antigo Wisconsin 54409
Ascension Saint Elizabeth Hospital Appleton Wisconsin 54915
Ascension Southeast Wisconsin Hospital - Elmbrook Campus Brookfield Wisconsin 53045
Ascension Calumet Hospital Chilton Wisconsin 53014
Ascension Saint Francis - Reiman Cancer Center Franklin Wisconsin 53132
Ascension Columbia Saint Mary's Hospital Ozaukee Mequon Wisconsin 53097
Ascension Southeast Wisconsin Hospital - Saint Joseph Campus Milwaukee Wisconsin 53210
Ascension Columbia Saint Mary's Hospital - Milwaukee Milwaukee Wisconsin 53211
Zablocki Veterans Administration Medical Center Milwaukee Wisconsin 53295
ProHealth D N Greenwald Center Mukwonago Wisconsin 53149
Cancer Center of Western Wisconsin New Richmond Wisconsin 54017
ProHealth Oconomowoc Memorial Hospital Oconomowoc Wisconsin 53066
Ascension Mercy Hospital Oshkosh Wisconsin 54904
Ascension All Saints Hospital Racine Wisconsin 53405
UW Cancer Center at ProHealth Care Waukesha Wisconsin 53188
Aspirus Regional Cancer Center Wausau Wisconsin 54401
Ascension Medical Group Southeast Wisconsin - Mayfair Road Wauwatosa Wisconsin 53226
Aspirus Cancer Care - Wisconsin Rapids Wisconsin Rapids Wisconsin 54494

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04600336, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 29, 2025 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04600336 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →