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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:45 PM EDT

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Showing 529–552 of 1,539 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Challenge Clear all
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 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional

Online Mindfulness-based Tic Reduction (Phase Two)

NCT03771235
View directory record Official record
Conditions
Tourette Syndrome, Persistent Tic Disorder
Interventions
Mindfulness-based Intervention for Tics, Tic Information and Coping Strategies
Behavioral
Lead sponsor
Bowdoin College
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Brunswick, Maine • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting No phase listed Observational

Evaluation of Patients With Non-obstructive Coronary Arteries

NCT00823563
View directory record Official record
Conditions
Chest Pain, Ischemia
Interventions
30 cc blood draw, Intravascular ultrasound (IVUS), Coronary pressure/flow wire testing, Coronary pressure/flow testing: Acetycholine challenge, Procedure: Coronary pressure/flow testing: Nitroglycerin challenge, Procedure: Procedure: Coronary pressure/flow testing: Adenosine challenge
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2047
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 24, 2026, 2:45 PM 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 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Flexibility as a Biomarker of Adaptation to Diet and Exercise Challenges

NCT01987388
View directory record Official record
Conditions
Healthy Volunteers
Interventions
High Intensity Exercise, Low Intensity Exercise, High Carbohydrate Beverage, High Fat Beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
22 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 24, 2026, 2:45 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Pain, Opioids and Pro-Inflammatory Immune Responses

NCT01210066
View directory record Official record
Conditions
Pro-inflammatory Activity, Immunologic Activity Alteration
Interventions
Fentanyl, Cold pressor test, Fentanyl plus cold pressor test
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2016 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effectiveness of Ipratropium Bromide in Preventing Exercise-induced Bronchoconstriction in Athletes

NCT01691079
View directory record Official record
Conditions
Bronchospasm, Exercise-Induced
Interventions
ipratropium bromide, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2020 · Synced Oct 24, 2026, 2:45 PM EDT
Enrolling by invitation Not applicable Interventional

PRECIDENTD Engagement Methods for Sites

NCT07053046
View directory record Official record
Conditions
Stakeholder Engagement
Interventions
Standard engagement approach, Agile methods engagement approach
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Not listed
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Early Phase 1 Interventional Results available

Milk Oral Immunotherapy in Children to Treat Food Allergy

NCT01162473
View directory record Official record
Conditions
Milk Hypersensitivity
Interventions
Milk Oral Immunotherapy, Milk Protein Powder, Food Challenge
Dietary Supplement · Drug · Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting Not applicable Interventional

Prevent Language Delays and Disorders Among Children of Caregivers With Substance Use Disorders With Community Groups and Individualized Services

NCT07529327
View directory record Official record
Conditions
Language Delay, Substance Use Disorders, Language Disorders in Children, Language Development, Prevention Intervention
Interventions
Comilia Group, Interaction Review Enhancement, Practical Support Enhancement
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effectiveness of an eHealth Intervention for Uptake of Cervical Cancer Screening in Hispanic Women

NCT06741241
View directory record Official record
Conditions
Cervical Cancer Screening
Interventions
eHealth Promotora, eHealth Healthy Nutrition
Behavioral
Lead sponsor
Florida A&M University
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting Not applicable Interventional

Behavioral Activation for Independence in Older Veterans

NCT05493241
View directory record Official record
Conditions
Functional Independence
Interventions
Behavioral Activation for Independence in Older Veterans (ACTIVaTE), Usual care
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inpatient Challenge Study of rRSV A/Maryland/001/11, a Human Respiratory Syncytial Virus Challenge Strain, Administered to Healthy Adult Volunteers

NCT03624790
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
rRSV A/Maryland/001/11
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Health Games for Adolescent Physical Activity

NCT01171261
View directory record Official record
Conditions
Sedentary Lifestyle
Interventions
Health Games Field Trial
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
11 Years to 15 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Prophylactic Antimalarial Activity of DB289 in Volunteers

NCT00408369
View directory record Official record
Conditions
Prophylactic Activity Against Malaria
Interventions
DB289
Drug
Lead sponsor
Immtech Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 29, 2008 · Synced Oct 24, 2026, 2:45 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Influenza Challenge in Mood Disorders

NCT02415166
View directory record Official record
Conditions
MAJOR DEPRESSIVE DISORDER
Interventions
INFLUENZA VACCINE, NaCl-saline placebo
Biological · Other
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Phase 3 Interventional

Pharmacodynamic Bioequivalence of Metered Dose Inhalers of Albuterol Sulfate in Patients With Stable Mild Asthma

NCT02624505
View directory record Official record
Conditions
Bronchial Asthma
Interventions
90 mcg Reference Product, 180 mcg Reference Product, 90 mcg Test Product, Placebo
Drug
Lead sponsor
Cipla Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient Navigation 2.0

NCT04234646
View directory record Official record
Conditions
Cancer
Interventions
Patient Navigation (PN) 2.0 Checklist, One-on-one Patient Navigation (PN)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Results available

Evaluation of The Postprandial Impact of Automated Priming Bolus for Full Closed Loop Insulin Delivery

NCT05528770
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
FCL+BPS, FCL
Device
Lead sponsor
Marc Breton
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Results available

Community Active and Healthy Families

NCT04414553
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Community Active and Healthy Families
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Aurora, Colorado • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Challenge Infection of Healthy Adult Volunteers With RSV A2

NCT03388645
View directory record Official record
Conditions
Upper Respiratory Tract Infections
Interventions
10^6.3 PFU of RSV A2, 10^7 PFU of RSV A2
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting Not applicable Interventional

Motor-Cognitive Training for Motoric Cognitive Risk Syndrome

NCT07223905
View directory record Official record
Conditions
Motoric Cognitive Risk Syndrome
Interventions
Virtual Reality Treadmill Training, Treadmill Training
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Take A Break - Rural

NCT05790486
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Smoking Cessation
Interventions
Take a Break plus Nicotine replacement therapy (NRT) Sampling, The Comparison, Community Paramedicine Standard Plus Enhanced Implementation Program, Community Paramedicine Standard Implementation Program
Behavioral · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Oct 24, 2026, 2:45 PM EDT
Completed Not applicable Interventional Results available

Urinary Retention After Total Laparoscopic Hysterectomy With Immediate Foley Catheter Removal Versus Backfill Void Trial

NCT03141372
View directory record Official record
Conditions
Urinary Retention, Voiding Disorders
Interventions
Void Trial using Foley catheter
Device
Lead sponsor
Sara Farag
Other
Eligibility
18 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 24, 2026, 2:45 PM EDT