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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:33 AM EDT

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Showing 265–288 of 1,538 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Challenge Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Adaptive Self-Efficacy-Based AI Coaching for Cycling

NCT07318233
View directory record Official record
Conditions
Exercise Training, Exercise Behavior, Exercise Adherence Challenges, Motivation for Physical Activity, Motivational Enhancement
Interventions
Group 1: Self-efficacy-based AI coaching, Group 2: Static AI Affirmations
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Enhancing Language Function in Aphasia

NCT05443633
View directory record Official record
Conditions
Aphasia, Acquired, Language Disorders, Primary Progressive Aphasia, Stroke, Cerebrovascular
Interventions
individualized speech-language training, standard language intervention
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
21 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Early Phase 1 Interventional

Oral Peanut Immunotherapy for Peanut Allergic Patients

NCT01891136
View directory record Official record
Conditions
Peanut Hypersensitivity
Interventions
Peanut protein
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Year to 16 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cornerstone Program for Transition-Age Youth Study Protocol for a Randomized Controlled Trial

NCT02696109
View directory record Official record
Conditions
Depression, Stress Disorders, Post-traumatic, Bipolar Disorder
Interventions
Treatment As Usual, Cornerstone
Behavioral
Lead sponsor
New York University
Other
Eligibility
17 Years to 18 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 23, 2026, 1:33 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Screening of Healthy Volunteers for Investigational Antimalarial Drugs, Malaria Vaccines, and Controlled Human Malaria Challenge

NCT02639299
View directory record Official record
Conditions
Malaria
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Phase 4 Interventional Results available

Pilot Study for Patients With Poor Response to Deferasirox

NCT00749515
View directory record Official record
Conditions
Transfusion-dependent Hemachromatosis, Thalassemia Major, Sickle Cell Disease
Interventions
Deferoxamine, Deferasirox, HIDA
Drug · Radiation
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 23, 2026, 1:33 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury

NCT02990078
View directory record Official record
Conditions
TBI
Interventions
Sildenafil citrate, Functional Near Infared Spectroscopy, Hypercapnia Challenge
Drug · Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of Liquid Flavor and Nicotine Form Outcomes

NCT05587504
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
E-cigarette with sweetness type 1 and pronation level 1, E-cigarette with sweetness type 1 and pronation level 2, E-cigarette with sweetness type 2 and pronation level 1, E-cigarette with sweetness type 2 and pronation level 2
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Recruiting Not applicable Interventional

BiOfeedback, Online for Sibilant Treatment

NCT07041723
View directory record Official record
Conditions
Speech Sound Disorder
Interventions
Visual-acoustic biofeedback for Sibilants
Behavioral
Lead sponsor
Montclair State University
Other
Eligibility
8 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bloomfield, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Whole Body Hyperthermia Registry Study

NCT02174003
View directory record Official record
Conditions
Depression, Anxiety, PTSD, Fibromyalgia, Chronic Fatigue Syndrome
Interventions
High intensity whole-body infrared heating
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Middle School Success Over Stress

NCT05117099
View directory record Official record
Conditions
Parenting, Parent-Child Relations, Depression, Self-regulation
Interventions
Family Check-Up
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
Not listed
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 23, 2026, 1:33 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Technosphere® Insulin Inhalation Powder (TI Inhalation Powder)When an Optimal Dose is Taken With Varied Carbohydrate Intake

NCT00747006
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Diabetes Mellitus, Type 1
Interventions
TI Inhalation Powder and Humalog (Amendment 1), TI Inhalation Powder (original protocol)
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Santa Barbara, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2014 · Synced Oct 23, 2026, 1:33 AM EDT
Recruiting Not applicable Interventional

Cognition After OSA Treatment Among Native American People (CATNAP)

NCT06227572
View directory record Official record
Conditions
Obstructive Sleep Apnea, Cognitive Change
Interventions
CATNAP MI
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
40 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Eagle Butte, South Dakota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

COVID-2019 Testing and Vaccination Among African American and Latinx Public Housing Residents

NCT04542395
View directory record Official record
Conditions
Coronavirus
Interventions
Increasing Willingness and Uptake of COVID-19 Testing and Vaccination
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy (CBT) for PTSD in Veterans With Co-Occurring SUDs

NCT01357577
View directory record Official record
Conditions
PTSD, Substance Use Disorders
Interventions
Cognitive behavioral therapy for PTSD
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
3
States / cities
Tampa, Florida • Syracuse, New York • White River Junction, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Efficacy of the Live Attenuated Tetravalent Dengue Vaccine Against DENV-2 and DENV-3 Challenge

NCT03416036
View directory record Official record
Conditions
Dengue
Interventions
TetraVax-DV-TV003 (TV003), rDEN2Δ30-7169 (DENV-2), rDEN3Δ30 (DENV-3), Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 23, 2026, 1:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adult Pilot Study for Reference Ranges and Optimal Cut-offs for the Sucrose Challenge Test and Sucrose Breath Test

NCT05045495
View directory record Official record
Conditions
Congenital Sucrase-Isomaltase Deficiency
Interventions
Sucrose Hydrogen Methane Breath Test
Diagnostic Test
Lead sponsor
QOL Medical, LLC
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Applying a Person-Centered Approach to Enhance Cognitive Training in Senior Living Community Residents With Mild Cognitive Impairment

NCT03292705
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
PEP, CCI
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional Results available

The Effect of Omalizumab on Responses to Cat Allergen Challenge

NCT00604786
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
omalizumab, placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Not applicable Interventional

The HPV 9-10 Trial: Early Initiation of HPV Vaccination

NCT04722822
View directory record Official record
Conditions
HPV
Interventions
(Intervention) Recommending HPV vaccine for patients 9-10 years of age, (Control) Recommending HPV vaccine for patients 11-12 years of age
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 13 Years
Enrollment
62,272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Los Angeles, California • Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Electrophysiology, Safety, Tolerability, and Pharmacokinetics of SAGE-718 Using a Ketamine Challenge in Healthy Subjects

NCT03771586
View directory record Official record
Conditions
Healthy Volunteer
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Long Beach, California • Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

rCSP/AP10-602 [GLA-LSQ] Vaccine Trial

NCT03589794
View directory record Official record
Conditions
Plasmodium Falciparum Infection
Interventions
AP10-602, Malaria challenge, rCSP
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Oct 23, 2026, 1:33 AM EDT
Completed Phase 3 Interventional

Study In Adolescent And Adult Subjects 12 Years Of Age And Older With Seasonal Allergic Rhinitis To Assess Onset of Action

NCT00118729
View directory record Official record
Conditions
Rhinitis, Allergic, Seasonal
Interventions
GW685698X Aqueous Nasal Spray
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Woodstock, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2016 · Synced Oct 23, 2026, 1:33 AM EDT
Recruiting Not applicable Interventional

At Home Wearable Sensors and Smartphone for Stroke Survivors With Upper Limb Motor Challenges.

NCT06787729
View directory record Official record
Conditions
Stroke
Interventions
mHealth
Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 23, 2026, 1:33 AM EDT