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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:25 AM EDT

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

Showing 145–168 of 1,538 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Challenge Clear all
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Peer Delivered, Emotion Regulation-Focused Mental Health Prevention Training for Fire Fighter Trainees

NCT06290778
View directory record Official record
Conditions
PTSD, Alcohol Use Disorder, Depression, Anxiety
Interventions
Brief Unified Protocol, Psychoeducation
Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
21 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 22, 2026, 5:25 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

PCOS Indirect and Intangible Economic Burden

NCT05903404
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
PCOS Challenge: The National Polycystic Ovary Syndrome Association
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

Dose-response of Inhaled Formoterol Using Methacholine Challenge as a Bioassay

NCT00643578
View directory record Official record
Conditions
Asthma
Interventions
formoterol, Dry Powder Inhaler (Twisthaler)
Drug · Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2011 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

Pilot Study of an Intimacy Enhancement Intervention for Couples Facing Breast Cancer

NCT02721147
View directory record Official record
Conditions
Breast Cancer
Interventions
Intimacy Enhancing Intervention, Living Healthy Together, Partner-Assisted Coping Skills Training, Behavioral, Psychological or Informational Intervention
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
21 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Oct 22, 2026, 5:25 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 22, 2026, 5:25 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Effectiveness of the Health App Recommendation Tool

NCT07216716
View directory record Official record
Conditions
Alzheimers Disease Related Dementias
Interventions
Health App Recommendation Tool (HART)
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Expanded Game Squad for Neurodiverse Youth

NCT03665415
View directory record Official record
Conditions
Physical Activity, Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse), Health Behavior, Developmental Disorder
Interventions
NDGameSquad
Behavioral
Lead sponsor
Merrimack College
Other
Eligibility
11 Years to 18 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts • Marblehead, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating a Digital Peer Mentoring Platform With College Student Populations

NCT05764785
View directory record Official record
Conditions
Well-Being, Psychological, Anxiety, Depression, Mentoring to Support the Transition to College
Interventions
MentorPRO
Behavioral
Lead sponsor
Academic Web Pages
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Oct 22, 2026, 5:25 AM EDT
Active, not recruiting Not applicable Interventional

A Multi-Center Clinical Trial in Individuals With Spinal Cord Injury

NCT03644277
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Acute Intermitted Hypoxia, Massed Practise, Rapael Glove
Other · Procedure
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Chicago, Illinois • East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Helping African American Prostate Cancer Survivors and Their Partners Cope With Challenges After Surgery for Prostate Cancer

NCT00869739
View directory record Official record
Conditions
Cancer Survivor, Depression, Gastrointestinal Complications, Male Erectile Disorder, Prostate Cancer, Psychosocial Effects of Cancer and Its Treatment, Urinary Complications
Interventions
telephone-based intervention, educational intervention, partner-assisted coping skills training, questionnaire administration, psychosocial assessment and care, quality-of-life assessment
Behavioral · Other · Procedure
Lead sponsor
East Carolina University
Other
Eligibility
Not listed
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Oct 22, 2026, 5:25 AM EDT
Active, not recruiting Not applicable Interventional

ATTUNE Revision System in the Revision Total Knee Arthroplasty Population

NCT03153475
View directory record Official record
Conditions
Revision Total Knee Arthroplasty
Interventions
ATTUNE Revision Knee System in Revision Total Knee Arthroplasty
Device
Lead sponsor
DePuy Orthopaedics
Industry
Eligibility
22 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
16
States / cities
San Diego, California • Denver, Colorado • Fort Collins, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Challenge!, a Health Promotion/ Obesity Prevention Program for Teens

NCT00746083
View directory record Official record
Conditions
Overweight
Interventions
Challenge!
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
11 Years to 16 Years
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2019 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Evaluation of the Photoallergy Potential of Atralin Gel

NCT00603772
View directory record Official record
Conditions
Healthy
Interventions
Atralin (tretinoin) gel, 0.05%
Drug
Lead sponsor
Coria Laboratories, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2008 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Postpartum Weight Retention

NCT02867631
View directory record Official record
Conditions
Obesity, Hypertension, Depression
Interventions
6 week challenge with 1 year of home visits: health texting, in home exercise supports, social support, healthy eating and feeding classes
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Female only
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Phase 4 Interventional Results available

Biomarker Predictors of Memantine Sensitivity in Patients With Alzheimer's Disease

NCT03703856
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Memantine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 83 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing Real Incentives and Volition for Exercise

NCT03873051
View directory record Official record
Conditions
Physical Activity
Interventions
Challenge-Focused Program, Rewards-Focused Program
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
21 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 22, 2026, 5:25 AM EDT
Recruiting Phase 2 Interventional

Optimizing the Diagnostic Approach to Cephalosporin Allergy Testing

NCT06406114
View directory record Official record
Conditions
Drug Allergy, Cephalosporin Allergy, Drug Hypersensitivity, Antibiotic Allergy, Beta Lactam Adverse Reaction, Drug-Induced Anaphylaxis, Cephalosporin Reaction
Interventions
Beta-lactam antibiotic (cefazolin, cefuroxime, cefotaxime, ceftazidime, ceftriaxone, cefepime, pre-pen, penicillin G, ampicillin, and histamine) double-blind skin testing, Culprit cephalosporin (cefazolin, ceftazidime, ceftriaxone, cefepime, cephalexin, cefaclor, cefadroxil, cefuroxime, cefpodoxime, cefdinir, or cefixime) double-blind placebo-controlled drug challenge, Similar cephalosporin (cefepime, ceftriaxone, cefaclor, cephalexin, cefixime, or cefdinir) antibiotic double-blind placebo-controlled drug challenge, Dissimilar cephalosporin (ceftriaxone or cefazolin) antibiotic double-blind placebo-controlled drug challenge, Amoxicillin double-blind placebo-controlled drug challenge
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Scottsdale, Arizona • San Francisco, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy, Immunogenicity and Safety Study of GSK Biologicals' Candidate Malaria Vaccine Evaluating Different Dose Schedules in a Sporozoite Challenge Model in Healthy Malaria-naïve Adults

NCT03162614
View directory record Official record
Conditions
Malaria
Interventions
RTS,S/AS01E, RTS,S/AS01B, Sporozoite-infected mosquitoes challenge.
Biological · Procedure
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Oct 22, 2026, 5:25 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adaptive Responses to Overfeeding and Weight

NCT03857048
View directory record Official record
Conditions
Obesity
Interventions
Weight Loss, Exercise training, Overfeeding
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 22, 2026, 5:25 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Trial of Transition to Parenthood Program for Couples

NCT01907412
View directory record Official record
Conditions
Parent-Child Relations
Interventions
Family Foundations Coparenting Program
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Not applicable Interventional

Trial to Examine Text-message Based mHealth in Emergency Department Patients With Diabetes

NCT01403831
View directory record Official record
Conditions
Diabetes
Interventions
Daily text messages
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Oct 22, 2026, 5:25 AM EDT
Not yet recruiting Not applicable Interventional

Developing and Testing Mobile Health Question Prompt List in Gastroesophageal Reflux Disease

NCT05900687
View directory record Official record
Conditions
Gastroesophageal Reflux, Patient Activation
Interventions
Use of mHealth Question Prompt List app
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 22, 2026, 5:25 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Infectivity and Illness of Norwalk GI.1 Virus Lot 001-09NV in the Human Challenge Model

NCT03721549
View directory record Official record
Conditions
Norovirus Infection
Interventions
Norwalk GI.1 Virus
Biological
Lead sponsor
WCCT Global
Industry
Eligibility
18 Years to 49 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Costa Mesa, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 22, 2026, 5:25 AM EDT
Active, not recruiting Not applicable Interventional

ATTUNE® Revision- Complex Primary in Total Knee Arthroplasty Population

NCT03153449
View directory record Official record
Conditions
Primary Knee Arthroplasty
Interventions
ATTUNE Revision Knee System in Total Knee Arthroplasty
Device
Lead sponsor
DePuy Orthopaedics
Industry
Eligibility
22 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
15
States / cities
San Diego, California • Denver, Colorado • Fort Collins, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 22, 2026, 5:25 AM EDT