Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 13, 2026, 6:36 PM EDT

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

Showing 193–216 of 872 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Results available

Symptom-Based Markers for COVID-19 Transmission

NCT04665245
Conditions
Covid19
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Nephrolithiasis
Interventions
Genetic testing
Diagnostic Test
Lead sponsor
Ryan L Steinberg
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Thoracic Surgery, Chronic Pain, Transcranial Magnetic Stimulation, Neuromodulation
Interventions
active TMS, sham TMS
Device
Lead sponsor
Emine Bayman
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Iowa City, Iowa
Active, not recruiting No phase listed Observational

LGMD R1 Natural History Study

NCT05618080
Conditions
Calpain-3 Deficiency Limb Girdle Muscular Dystrophy Type 2A, Limb Girdle Muscular Dystrophy, Limb Girdle Muscular Dystrophy Type R1, LGMD2A
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
9
States / cities
Orange, California • Aurora, Colorado • Gainesville, Florida + 6 more
Completed Not applicable Interventional Accepts healthy volunteers

Periodontal Phenotype Study (Tooth Extraction)

NCT02668289
Conditions
Tooth Extraction Status Nos
Interventions
consent, Screening, Xray, PVS Impressions, Photographs, CBCT, Anesthesia, Extraction, Clinical measurements
Other · Procedure
Lead sponsor
Gustavo Avila-Ortiz DDS, MS, PhD
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Treatment Resistant Depression, Major Depressive Episode, Major Depression, Major Depressive Disorder, Bipolar Disorder, Bipolar Depression, Obsessive-Compulsive Disorder
Interventions
Electroconvulsive Therapy (ECT), Transcranial Magnetic Stimulation (TMS), Ketamine, Esketamine, Deep Transcranial Magnetic Stimulation (dTMS)
Device · Drug
Lead sponsor
Mark Niciu
Other
Eligibility
18 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2050
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Quality of Life, Social Interaction, Emotions, Mood, Feelings, Alzheimer Disease, Dementia
Interventions
Music therapy, Non-Music Verbal Interaction (Placebo)
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Hormone Refractory Prostate Cancer
Interventions
ADENOVIRUS/PSA VACCINE
Biological
Lead sponsor
David M Lubaroff
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Epilepsy
Interventions
SMART 2
Behavioral
Lead sponsor
Mark A. Granner
Other
Eligibility
18 Years to 90 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Cleveland, Ohio
Conditions
Breast Neoplasm
Interventions
Yoga
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Multiple Sclerosis
Interventions
Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil
Other · Device · Dietary Supplement + 1 more
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Epilepsy in Children, Executive Dysfunction
Interventions
Epilepsy Journey web-based modules, Telehealth with a therapist
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years to 17 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Orange, California • Cincinnati, Ohio • Charleston, South Carolina
Conditions
Pancreatic Neoplasms, Pancreatic Cancer
Interventions
Gemcitabine with escalating ascorbic acid
Drug
Lead sponsor
Joseph J. Cullen
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Dimensional Changes: Randomized Clinical Trial

NCT05684068
Conditions
Gingival Recession
Interventions
Gum Graft Placed on Denuded Bone, Gum Graft Placed on Split Thickness Periosteal Bed Preparation
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 95 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2028 – 2031
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Glioblastoma
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
21 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
19
States / cities
Birmingham, Alabama • Sacramento, California • Miami, Florida + 16 more
Conditions
Parkinson Disease, Healthy Adult
Interventions
Cerebellar transcranial direct current stimulation at 4 mA, Sham cerebellar transcranial direct current stimulation
Device
Lead sponsor
University of Iowa
Other
Eligibility
50 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Invasive Breast Cancer
Interventions
Vandetanib, Placebo
Drug · Other
Lead sponsor
Ronald Weigel
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational Accepts healthy volunteers

Changes in Body Composition Following Bariatric Surgery

NCT02148068
Conditions
Obesity
Interventions
Bariatric Surgery
Procedure
Lead sponsor
Peter Nau
Other
Eligibility
18 Years to 65 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Anesthesia, Local
Interventions
Ropivacaine 0.75%, Ropivacaine 0.75% + 300 mcg Buprenorphine, Ropivacaine 0.75% + 75 mcg clonidine, Ropivacaine 0.75% + 8 mg dexamethasone
Drug
Lead sponsor
Melinda Seering
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational Accepts healthy volunteers

Symptoms of Lower Urinary Tract Dysfunction Phenotyping Study

NCT02485808
Conditions
Lower Urinary Tract Symptoms
Interventions
None-observational, Magnetic Resonance Imaging (MRI), Multimodal Automated Sensory Testing System, Auditory Sensitivity Test
Other · Procedure
Lead sponsor
Arbor Research Collaborative for Health
Other
Eligibility
18 Years and older
Enrollment
1,879 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
6
States / cities
Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more
Completed Not applicable Interventional Results available

Increasing Steps Per Day in Rural Veterans

NCT03930238
Conditions
Obesity, Overweight
Interventions
VA MapTrek, Fitbit Only
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Non-small Cell Lung Cancer
Interventions
[18F]F-ARAG PET
Drug
Lead sponsor
CellSight Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Medial Compartment Knee Osteoarthritis
Interventions
Laterally-Wedged Insole with Ankle Strapping, Laterally-Weged Insole
Device
Lead sponsor
University of Iowa
Other
Eligibility
45 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Chest Pain
Interventions
Full counseling, Minimal counseling
Behavioral
Lead sponsor
David A Katz
Other
Eligibility
30 Years to 100 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa