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ClinicalTrials.gov public records Last synced Oct 31, 2026, 1:36 PM EDT

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Showing 145–168 of 214 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Dysfunction; Endocrine Clear all
Completed Phase 4 Interventional Results available

Neuroendocrine Dysfunction in Traumatic Brain Injury: Effects of Testosterone Therapy

NCT01201863
View directory record Official record
Conditions
Endocrine Dysfunction, Trauma, Brain Injury
Interventions
Androgel (Testosterone Gel), Placebo gel
Drug · Other
Lead sponsor
Craig Hospital
Other
Eligibility
16 Years to 65 Years · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Wild Blueberries and Cardiovascular Health in Middle-aged/Older Men and Postmenopausal Women

NCT04530916
View directory record Official record
Conditions
Hypertension, Aging, Endothelial Dysfunction, Men
Interventions
Blueberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Not applicable Interventional Results available

Resveratrol and Vascular Function in CKD

NCT03597568
View directory record Official record
Conditions
Chronic Kidney Diseases, Endothelial Dysfunction
Interventions
Resveratrol, Placebo
Dietary Supplement · Other
Lead sponsor
Diana Jalal
Other
Eligibility
45 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Phase 4 Interventional

A Multicenter, Double-blind Study to Evaluate the Effect of Pretreatment With a Daily Dose of Sildenafil on the As-Needed Efficacy of Viagra in Men With Erectile Dysfunction and Type 2 Diabetes

NCT00645268
View directory record Official record
Conditions
Erectile Dysfunction, Diabetes Mellitus, Type 2
Interventions
sildenafil, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
35 Years to 70 Years · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
28
States / cities
Huntsville, Alabama • Phoenix, Arizona • Beverly Hills, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 31, 2026, 1:36 PM EDT
Not listed Phase 2 Interventional

Safety and Efficacy Study of Oral Fispemifene for the Treatment of Sexual Dysfunction in Hypogonadal Men

NCT02443090
View directory record Official record
Conditions
Secondary Hypogonadism, Sexual Dysfunction, Erectile Dysfunction
Interventions
fispemifene, Placebo
Drug · Other
Lead sponsor
NexMed (U.S.A.), Inc. (subsidiary of Apricus Biosciences, Inc.)
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
16
States / cities
Little Rock, Arkansas • San Diego, California • Bradenton, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2015 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting Phase 1 Interventional

Diagnosis of Pheochromocytoma

NCT00004847
View directory record Official record
Conditions
Pheochromocytoma, Endocrine Disease, Endocrine Diseases
Interventions
([18F]-DOPA), ([18F]-6F-DA)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
3 Years to 120 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2048
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting Phase 2 Interventional

Riluzole For Preventing Cognitive Dysfunction in Ca Pts Receiving Chemo (REFOCUS): Pilot Trial

NCT07447050
View directory record Official record
Conditions
Breast Cancer, Sarcoma, Gastric (Stomach) Cancer, Lung Cancer, Head and Neck Cancer, Colorectal Cancer, Ovarian Cancer, Liver Cancer, Genitourinary Cancer, Gynecologic Cancer
Interventions
Riluzole, Placebo
Drug · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Not yet recruiting No phase listed Observational

PAtient Similarity for Decision-Making in Prevention of Cardiovascular Toxicity (PACT): A Feasibility Study

NCT05377320
View directory record Official record
Conditions
Heart Failure, Coronary Artery Disease, Peripheral Artery Disease, Ischemia, Hypertension, Diabetes Mellitus, Cardiomyopathies, Cardiotoxicity
Interventions
Clinical Decision Aid, Standard Care
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
60 participants
Timeline
2026 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PGC-1 and Mitochondrial Dysfunction in Diabetes

NCT01724515
View directory record Official record
Conditions
Diabetes, Obese
Interventions
Lipid infusion and muscle biopsies
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Oct 31, 2026, 1:36 PM EDT
Terminated No phase listed Observational

Vascular Dysfunction in Diabetes: Genes and Hormones

NCT01511042
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Para-aminohippuric Acid, Angiotensin II, Norepinephrine
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 31, 2026, 1:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of β Cell Dysfunction in Relatives of Individuals With Type 1 Diabetes Mellitus

NCT04362917
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
There is no intervention
Other
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 16, 2023 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Phase 4 Interventional Results available

Effect of Saxagliptin on EPCs as a Cellular Biomarker for Evaluating Endothelial Dysfunction in Early T2DM Patients

NCT02024477
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Saxagliptin, Placebo
Drug
Lead sponsor
George Washington University
Other
Eligibility
40 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 31, 2026, 1:36 PM EDT
Terminated Phase 3 Interventional Results available

PREVENTKD (Prevent Risks by Early interVEntion at Nighttime in Type 1 Diabetes for Kidney Disease)

NCT00729365
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Ramipril, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
13 Years to 50 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
6
States / cities
Gainesville, Florida • Chicago, Illinois • Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Oct 31, 2026, 1:36 PM EDT
Completed No phase listed Observational

A Prospective Study of Endothelial Dysfunction and Diabetic Foot Ulcer Risk

NCT00013286
View directory record Official record
Conditions
Diabetic Foot Ulcers
Interventions
Prevention Diabetic Foot Ulcer
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting No phase listed Observational

Gonadal Tissue Freezing for Fertility Preservation in Individuals at Risk for Ovarian Dysfunction, Premature Ovarian Insufficiency and Clinically Indicated Gonadectomy

NCT04948658
View directory record Official record
Conditions
Turner Syndrome, Post-menarcheal Adolescents, Ovarian Disfunction, Galactosemia, Variations in Sex Characteristics, Differences in Sex Development
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 35 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Alpha-2 Adrenergic Receptor Dysfunction in Regional Lipoatrophy

NCT00004329
View directory record Official record
Conditions
Lipodystrophy
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years to 65 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1999
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Wake Forest Alzheimer's Disease Clinical Core

NCT03140865
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Prediabetic State
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2031
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Hypoglycemia Associated Autonomic Dysfunction Question 2

NCT00574639
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Alprazolam, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients

NCT03977207
View directory record Official record
Conditions
Thyroid; Functional Disturbance, Hypothyroidism, Hemodialysis
Interventions
Levothyroxine Sodium, Placebos
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 31, 2026, 1:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

To Evaluate if Wide Blood Sugar Fluctuations Lead to Injury of Heart Function and Heart Nerves

NCT01170832
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Impact of Diabetes on Left Ventricular Remodeling

NCT01052272
View directory record Official record
Conditions
Diabetes
Interventions
Ramipril, Candesartan cilexetil, Allopurinol
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 17, 2012 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting No phase listed Observational

Cardiometabolic Disease and Substrate Metabolism

NCT07565727
View directory record Official record
Conditions
Preeclampsia, Gestational Diabetes Mellitus (GDM), Preeclampsia (PE), Preeclampsia (PE) Risk, Gestational Diabetes, Gestational Diabetes Mellitus in Pregnancy, Cardiometabolic Diseases, Insulin Resistance, Placental Dysfunction, Pregnancy, Pregnancy Complications, Gestational Complications
Interventions
Not listed
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Brain Health in Breast Cancer Survivors

NCT04297020
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Function
Interventions
Not listed
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 31, 2026, 1:36 PM EDT
Completed Not applicable Interventional

GYNecologic Cancer-Related COGnitive Impairment

NCT06662435
View directory record Official record
Conditions
Ovarian Cancer, Endometrial Cancer, Cervical Cancers, Vulvar Cancers, Uterine Cancer, Cervix Cancer, Ovary Cancer
Interventions
GYNCOG
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 31, 2026, 1:36 PM EDT