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 16, 2026, 3:21 AM EDT

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

Showing 793–816 of 872 matching trials from the live ClinicalTrials.gov search.
Conditions
Trauma Injury
Interventions
Carbon Fiber Custom Dynamic Orthosis, Carbon Fiber Footplate
Device
Lead sponsor
Jason Wilken
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Age-Related Macular Degeneration, Choroidal Neovascularization
Interventions
Not listed
Lead sponsor
Michael Abramoff
Other
Eligibility
45 Years to 120 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Phase 2 Interventional Results available

TXA in Spinal Fusion

NCT04272606
Conditions
Degenerative Disc Disease
Interventions
Tranexamic Acid, Saline Solution, Visual Acuity Exam, 3 Minute Diagnostic Interview for Confusion Assessment Method (3D-CAM)
Drug · Diagnostic Test
Lead sponsor
Catherine R. Olinger
Other
Eligibility
18 Years to 90 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exercise Effects on Brain Health and Learning From Minutes to Months

NCT03114150
Conditions
Sedentary Lifestyle
Interventions
Cardiorespiratory fitness training, Functional fitness training
Behavioral
Lead sponsor
Michelle W. Voss
Other
Eligibility
55 Years to 80 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational Results available

Corneal Topographer Fluorescein Patterns

NCT00584285
Conditions
Keratoconus
Interventions
Not listed
Lead sponsor
Christine Sindt
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Hereditary Spastic Paraplegia, Primary Lateral Sclerosis, SPG4, SPG5A, Spastic Paraplegia 4, Spastic Paraplegia 5A, Early Onset Hereditary Spastic Paraplegia, Neuromuscular Diseases, Spastic Paraplegia, Hereditary
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
Miami, Florida • Iowa City, Iowa • Boston, Massachusetts + 6 more
Conditions
Limb Girdle Muscular Dystrophy, Muscular Dystrophies
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
4 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
9
States / cities
Irvine, California • Aurora, Colorado • Iowa City, Iowa + 6 more
Conditions
Diabetes Mellitus, Hypertension, Coronary Artery Disease, Atrial Fibrillation, Stroke
Interventions
PHCVRS Intervention, Personal Health Record
Other
Lead sponsor
Korey Kennelty
Other
Eligibility
50 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
12
States / cities
Akron, Iowa • Belmond, Iowa • Cedar Rapids, Iowa + 9 more
Conditions
Dense Deposit Disease
Interventions
TP10
Drug
Lead sponsor
University of Iowa
Other
Eligibility
4 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting No phase listed Observational

Genetic Risk Factor for Heat Stroke

NCT06847256
Conditions
Carrier State, Heat Stroke, Dehydration
Interventions
Heat Challenge
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Foot Injury
Interventions
Modular Carbon Fiber Custom Dynamic Orthosis (CDO), Mono Carbon Fiber Custom Dynamic Orthosis (CDO)
Device
Lead sponsor
Jason Wilken
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
5
States / cities
San Diego, California • Iowa City, Iowa • Minneapolis, Minnesota + 2 more
Conditions
Ductus Arteriosus, Patent
Interventions
Percutaneous Patent Ductus Arteriosus Closure (PPC), Responsive Management Intervention, Echocardiogram, cardiac
Device · Combination Product · Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
7 Days to 32 Days
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
24
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 19 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Human Lung Responses to Respiratory Pathogens

NCT01967628
Conditions
Respiratory Infection
Interventions
Vitamin D3 (cholecalciferol), Placebo Sugar Pill
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Surgical Site Infection
Interventions
One-stage exchange joint replacement surgery, Two-stage exchange joint replacement surgery
Procedure
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • New York, New York • Charlotte, North Carolina + 2 more
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
Delwyn D. Miller
Other
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers Results available

Changing Talk Online (CHATO) Study

NCT03849937
Conditions
Staff Attitude, Dementia
Interventions
Changing Talk Online (CHATO)
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Iowa City, Iowa • Kansas City, Kansas
Conditions
Carpal Tunnel Syndrome, Charcot-Marie-Tooth Disease, Inherited Peripheral Neuropathy
Interventions
Web-based survey
Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa Extract on Exercise Training

NCT05820399
Conditions
Desire to Exercise, Exercise Training, Physical Exertion
Interventions
Organic Guayusa Extract, Placebo
Dietary Supplement
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Complementary and Alternative Medicine for Urological Symptoms(CAMUS)

NCT00603304
Conditions
Urological
Interventions
Saw Palmetto - first 24 weeks, Placebo - first 24 weeks, Saw Palmetto - weeks 24 - 48, Placebo - weeks 24 - 48, Saw Palmetto - weeks 48 - 72, Placebo - weeks 48 - 72
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
45 Years and older · Male only
Enrollment
369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
10
States / cities
Oakland, California • Aurora, Colorado • New Haven, Connecticut + 6 more
Conditions
Hypertensive Disorder of Pregnancy
Interventions
Postpartum Remote Physical Activity Intervention
Behavioral
Lead sponsor
Jackie Dziewior
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
Rakesh Sondekoppam Vijayashankar
Other
Eligibility
18 Years to 85 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational

US vs MRI for Stress Injuries

NCT05876897
Conditions
Stress Fracture
Interventions
Not listed
Lead sponsor
Ryan Kruse
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of Two Dissolvable Therapeutics Under Removable Partial Dentures

NCT05441527
Conditions
Edentulous Jaw, Edentulous Mouth
Interventions
MI Paste, then, Biotene Dry Mouth Gel, Biotene Dry Mouth Gel, then, MI Paste
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa