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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:09 PM EDT

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Showing 145–168 of 287 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observation (behavior) Clear all
Recruiting No phase listed Observational

Impact of Dietary Inflammatory Potential on Breast Cancer Risk

NCT05178498
View directory record Official record
Conditions
Breast Atypical Ductal Hyperplasia, Breast Atypical Lobular Hyperplasia, Breast Carcinoma, Breast Lobular Carcinoma In Situ, Breast Sclerosing Adenosis
Interventions
Follow-Up, Physical Examination, Questionnaire Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
960 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational

Neuropsychological and Behavioral Testing in Younger Patients With Cancer

NCT00772200
View directory record Official record
Conditions
Childhood Malignant Neoplasm
Interventions
Cognitive Assessment, Quality-of-Life Assessment
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
1 Month and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
163
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 119 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Neuroimaging Biomarker for Seizures

NCT03441867
View directory record Official record
Conditions
Seizure Disorder, Seizure Disorder, Post Traumatic, Traumatic Brain Injury, Non-Epileptic Seizure, Conversion Disorder, Magnetic Resonance Imaging, Head Injury, Epilepsy
Interventions
Cognitive Behavioral Therapy for Seizures, Standard Medical Care
Behavioral · Other
Lead sponsor
Providence VA Medical Center
Federal
Eligibility
18 Years to 60 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
3
States / cities
Birmingham, Alabama • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 20, 2026, 10:09 PM EDT
Enrolling by invitation No phase listed Observational

Intranasal Insulin for Autism Spectrum Disorder in Children and Young Adults Aged 4 to 21 Years

NCT07521371
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism Spectrum Disorder (ASD), Autism Spectrum Disorder High-Functioning, Autism Spectrum Disorder With Absence of Functional Language, Autism Spectrum Disorder With Impaired Functional Language, Autistic Disorder of Childhood Onset With Full Syndrome, Autistic Disorders Spectrum, Autistic Disorder, Autistic Disorder in Children and Adolescents, Neurodevelopmental Disorders, Neurodevelopmental Disorders (NDD), Neurodevelopmental Disorders and Developmental Abnormalities
Interventions
Not listed
Lead sponsor
Healing Hope International
Other
Eligibility
4 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Spring, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed Phase 3 Interventional Results available

Diet in Altering Disease Progression in Patients With Prostate Cancer on Active Surveillance

NCT01238172
View directory record Official record
Conditions
Prostate Cancer
Interventions
dietary education and counseling, prostate cancer foundation booklet
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
180
States / cities
Fairbanks, Alaska • Scottsdale, Arizona • Bellflower, California + 129 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 20, 2026, 10:09 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Preliminary Characterization of Commercial Kratom Extract Products

NCT06640569
View directory record Official record
Conditions
Kratom Pharmacodynamics, Kratom Pharmacokinetics
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Comprehensive Collection, Charting, and Communication System

NCT01005953
View directory record Official record
Conditions
Autism
Interventions
Not listed
Lead sponsor
SymTrend Inc.
Industry
Eligibility
22 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pediatric Type 1 Diabetes and Neurocognitive Complications Cohort Study

NCT04135365
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
neurocognitive assessment, neuroimaging assessment
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
6 Years to 11 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 20, 2026, 10:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mother-Baby Study - Relative Reinforcing Value (RRV)

NCT06072651
View directory record Official record
Conditions
Eating Behavior
Interventions
Relative Reinforcing Value of Food
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
0 Days and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed Phase 2 Interventional Results available

Behavioral Activation Intervention for Smoking Cessation in Smokers With Depressive Symptoms

NCT01199380
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Standard Treatment, Behavioral Activation Treatment for Smoking, Transdermal Nicotine Patch
Behavioral · Drug
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 65 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Oct 20, 2026, 10:09 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Behavioral Economic Attributes of Recreation

NCT07282418
View directory record Official record
Conditions
Cardiometabolic Health Indicators
Interventions
Recreation Enhancement
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Clinical Time and Temporal Dynamics Study (CLIN-TIME)

NCT07812831
View directory record Official record
Conditions
Longitudinal Studies, Prospective Studies, Biomarkers, Predictive Value of Tests, Telemedicine, Time of Death, Time Perception, Time Reaction, Time Efficiency, Time Management, Population, Population Groups, Epidemic Disease, Pandemic, Sex Behavior, Sex Characteristics, Sex Hormone, Cardio-pulmonary, Surgical, Drugs of Abuse, Health Risks, Clinical Outcomes
Interventions
No Study-Assigned Intervention
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2076
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Investigation of Brain Plasticity in Autism Spectrum Disorders

NCT04706364
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Neuropsychological Testing, (Optional) Saliva Collection, Sensory Testing, Electroencephalogram (EEG), Transcranial Magnetic Stimulation
Behavioral · Genetic · Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 20, 2026, 10:09 PM EDT
Not yet recruiting Phase 2 Interventional

Psilocybin Therapy for Methamphetamine Use Disorder and HIV

NCT07756736
View directory record Official record
Conditions
Methamphetamine Use Disorder, Human Immunodeficiency Virus (HIV)
Interventions
Psilocybin 5 mg, Psilocybin 25 mg, Motivational Support
Drug · Behavioral
Lead sponsor
Nicky Mehtani, MD, MPH
Other
Eligibility
25 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of an Instrument That Monitors Behaviors Associated With OCD

NCT02866422
View directory record Official record
Conditions
OCD
Interventions
No Intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 15, 2016 · Synced Oct 20, 2026, 10:09 PM EDT
Recruiting No phase listed Observational

Motor-voice Assessment in Infants (MAMI)

NCT06807203
View directory record Official record
Conditions
Cerebral Palsy Infantile, Pre-Term, Motor Delay, Neurodevelopmental Disorders, Autism Spectrum Disorder
Interventions
Behavioral observation
Other
Lead sponsor
Ohio State University
Other
Eligibility
Up to 10 Days
Enrollment
46 participants
Timeline
2025 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational

An Observational Study of People Who Have Recently Been Infected With HIV

NCT00103961
View directory record Official record
Conditions
HIV Infections
Interventions
Questionnaire
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Oct 20, 2026, 10:09 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Exploration of the Utility of Dental-dedicated MRI for Dentistry

NCT06948162
View directory record Official record
Conditions
Dental Crowding, Dental Occlusion, Traumatic, Endodontic Disease, Orthodontic Treatment, Endodontic Lesions, PeriodontalConditions, Oral Surgery Conditions, Tooth Extractions, Local Anesthesia, Traumatic Dental Pain, TMJ, Orthodontics, Endodontic Histopathology, Periodontal Diseases
Interventions
dental-dedicated MRI (ddMRI)
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Increased Physical Activity During the Postpartum Period on Weight Loss, Body Composition, and Energy Expenditure

NCT06636305
View directory record Official record
Conditions
Weight Loss, Postpartum, Physical Activity
Interventions
physical activity intervention
Behavioral
Lead sponsor
Nicolas D. Knuth
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 10, 2024 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterizing Inflammatory Profiles and Suicidal Behavior in Adolescents

NCT04783506
View directory record Official record
Conditions
Suicide and Depression
Interventions
Observational Study
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
12 Years to 18 Years
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 20, 2026, 10:09 PM EDT
Recruiting Phase 4 Interventional

Identifying and Treating Depression in the Orthopaedic Trauma Population

NCT05976347
View directory record Official record
Conditions
Depression
Interventions
Fluoxetine 20 MG, Duloxetine 30 MG, Observation
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Implementation and Deliver of Lenacapavir for PrEP in a Community Pharmacy Setting

NCT07210125
View directory record Official record
Conditions
HIV
Interventions
Lenacapavir long-acting, Standard of Care (SOC)
Drug · Other
Lead sponsor
Kelley-Ross & Associates, Inc.
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Social & QoL Behaviors in Parkinson's Disease

NCT06385184
View directory record Official record
Conditions
Parkinson Disease
Interventions
No Intervention
Other
Lead sponsor
Gregory Wallace
Other
Eligibility
40 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 20, 2026, 10:09 PM EDT
Completed No phase listed Observational

Asthma and Obesity: Observational

NCT03460834
View directory record Official record
Conditions
Asthma, Obesity
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 64 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
2
States / cities
Aurora, Colorado • New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 20, 2026, 10:09 PM EDT