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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:47 PM EDT

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Showing 97–120 of 287 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observation (behavior) Clear all
Completed No phase listed Observational Accepts healthy volunteers

Efficiency of Task Switching and Multi-tasking

NCT03685266
View directory record Official record
Conditions
Task Performance and Analysis, Efficiency
Interventions
Observation
Other
Lead sponsor
University of Hawaii
Other
Eligibility
Not listed
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 20, 2026, 6:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Chromosome 18 Clinical Research Center

NCT00227253
View directory record Official record
Conditions
Chromosome Aberrations, Growth Hormone Deficiency, Hypomyelination
Interventions
Determination of growth hormone status, Measurement of growth, thyroid and sex hormone levels, Behavior and neuropsychometric evaluations, Audiological and ear, nose and throat examination, Magnetic resonance imaging of the brain, Dysmorphology evaluation, Neurology examination, Dental evaluation, Speech pathology evaluation, Psychiatric evaluation, Orthopedic evaluation, Ophthalmologic evaluation, Gastrointestinal evaluation
Procedure
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 2040
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Not yet recruiting Not applicable Interventional

Roybal Via Habit Formation

NCT07848178
View directory record Official record
Conditions
Physical Inactivity, Sedentary Lifestlye
Interventions
ViaHabit
Behavioral
Lead sponsor
Louisiana State University and A&M College
Other
Eligibility
45 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Completed No phase listed Observational

NOWDx Test for the Diagnosis of Syphilis

NCT05063344
View directory record Official record
Conditions
Syphilis Infection, Treponema Pallidum Infection
Interventions
Diagnostic Test: NOWDx Syphilis Test
Device
Lead sponsor
NOWDiagnostics, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,535 participants
Timeline
2021 – 2023
U.S. locations
6
States / cities
Tempe, Arizona • Los Angeles, California • North Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Oct 20, 2026, 6:47 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Learning Collaborative Versus Technical Assistance in Delivering a Palliative Care Program to Patients With Advanced Cancer and Their Caregivers

NCT04062552
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm, Recurrent Malignant Solid Neoplasm
Interventions
Behavioral, Psychological or Informational Intervention, Educational Intervention, Medical Examination Assessment, Quality-of-Life Assessment, Survey Administration, Telephone-Based Intervention
Other · Procedure · Behavioral
Lead sponsor
University of Rochester NCORP Research Base
Other
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
113
States / cities
Fort Smith, Arkansas • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 66 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Not applicable Interventional

Reducing Hospital Readmissions in Patients With Depressive Symptoms

NCT01840826
View directory record Official record
Conditions
Depression
Interventions
RED-D Care Management
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
709 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2018 · Synced Oct 20, 2026, 6:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Parent-Adolescent Interactions and Adolescent Development

NCT01572441
View directory record Official record
Conditions
Substance Abuse
Interventions
Not listed
Lead sponsor
George Mason University
Other
Eligibility
12 Years to 14 Years
Enrollment
245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 20, 2026, 6:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

E-Cigarettes: Dynamic Patterns of Use and Health Effects

NCT02527980
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
No intervention: observation only
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced Oct 20, 2026, 6:47 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Study of Social Behavior and Emotion in Frontotemporal Dementia, Alzheimer's Disease and Controls

NCT01147679
View directory record Official record
Conditions
Frontotemporal Dementia, Frontotemporal Degeneration, Alzheimer's Disease, Social Behavior
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years to 75 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 28, 2011 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Phase 1 Interventional

Behavior-Based Dietary Intervention in Treating Patients With Hormone-Refractory Prostate Cancer

NCT00082732
View directory record Official record
Conditions
Prostate Cancer
Interventions
behavioral dietary intervention, dietary intervention, therapeutic dietary intervention
Behavioral · Dietary Supplement · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 20, 2026, 6:47 PM EDT
Recruiting No phase listed Observational

Natural History Study of Participants With Sanfilippo Syndrome Type IIIC

NCT05825131
View directory record Official record
Conditions
Sanfilippo Syndrome Type C
Interventions
Not listed
Lead sponsor
Phoenix Nest
Industry
Eligibility
12 Months and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cohort to Augment the Understanding of Sarcoma Survivorship Across the Lifespan

NCT06482957
View directory record Official record
Conditions
Sarcoma
Interventions
Surveys, Blood Collection, Saliva Collection, Urine Collection, Stool Collection, Tissue collection, Physical Activity Monitoring
Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
Not listed
Enrollment
2,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 19, 2025 · Synced Oct 20, 2026, 6:47 PM EDT
Completed No phase listed Observational

Mechanical Ventilation Discontinuation Practices

NCT03955874
View directory record Official record
Conditions
Invasive Mechanical Ventilation, Critical Illness, Spontaneous Breathing Trial, Weaning Invasive Mechanical Ventilation, Tracheostomy, Direct Extubation
Interventions
Not listed
Lead sponsor
Unity Health Toronto
Other
Eligibility
16 Years and older
Enrollment
1,868 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 2, 2021 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Not applicable Interventional

Active Surveillance Exercise Clinical Trial

NCT02435472
View directory record Official record
Conditions
Localized Prostate Cancer, Active Surveillance for Prostate Cancer
Interventions
Exercise, Cardiopulmonary Exercise Test (CPET)
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 20, 2026, 6:47 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of the COVID-19 Pandemic and HRQOL in Cancer Patients and Survivors

NCT04447222
View directory record Official record
Conditions
COVID-19 Infection, Malignant Solid Neoplasm
Interventions
Quality-of-Life Assessment, Questionnaire Administration, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Mid-frontal Delta/Theta and Cognitive Control

NCT06984757
View directory record Official record
Conditions
Parkinson&Amp;Amp;#39;s Disease (PD)
Interventions
Deep-brain Stimulation, Transcranial Magnetic Stimulation, Transcranial Alternating Current Stimulation
Device
Lead sponsor
Nandakumar Narayanan
Other
Eligibility
18 Years to 99 Years
Enrollment
635 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neurocircuit Mechanisms of OCD Across the Lifespan

NCT02437773
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Cognitive Behavioral Therapy - Adolescents, Stress Management Therapy - Adolescents, Optional CBT - Adolescents, Cognitive Behavioral Therapy - Adults, Stress Management Therapy - Adults, Optional CBT - Adults, fMRI only - Healthy Control Adults, fMRI only - Healthy Control Adolescents
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 45 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Not applicable Interventional

Direct Visual Fluorescence in Finding Oral Cancer in High-Risk Patients and Patients Undergoing Routine Dental Care

NCT01816841
View directory record Official record
Conditions
Lip and Oral Cavity Squamous Cell Carcinoma, Oral Cavity Verrucous Carcinoma, Stage 0 Lip and Oral Cavity Cancer, Tongue Cancer
Interventions
fluorescence imaging, biopsy, examination, Comparison of surgical margins by COE vs. DVFE
Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Oct 20, 2026, 6:47 PM EDT
Not yet recruiting Not applicable Interventional

Program for Alleviating Relationship Trauma and Stress for Intimate Partner Violence - Randomized Control Trial

NCT07747766
View directory record Official record
Conditions
Individuals Who Use Violence, Interpersonal Violence
Interventions
Program For Alleviating Relationship Trauma and Stress through New Behaviors, DVIT Treatment As Usual (TAU)
Behavioral
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Malden, Massachusetts • Tumwater, Washington
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Building Outcomes With Observation-Based Supervision: An FFT Effectiveness Trial

NCT01614015
View directory record Official record
Conditions
Delinquency, Substance Abuse, Self Destructive Behavior
Interventions
Supervision, Observational Supervision
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
12 Years to 18 Years
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 19, 2016 · Synced Oct 20, 2026, 6:47 PM EDT
Recruiting Not applicable Interventional

Comparing Two Weight Loss Programs for the Prevention of Kidney Cancer Progression Among Patients With Small Renal Masses on Active Surveillance

NCT07714018
View directory record Official record
Conditions
Renal Cell Carcinoma (RCC)
Interventions
Intermittent Fasting, Continuous Energy Restriction (CER)
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Phase 1 Interventional

Psilocybin Combined With Multidisciplinary Palliative Care in Demoralized Cancer Survivors With Chronic Pain

NCT05506982
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Psilocybin, Psychotherapy, Quality-of-Life Assessment, Questionnaire Administration
Drug · Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
26 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 20, 2026, 6:47 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Black Women's Life Experience On Cardiovascular Health Via Ongoing Monitoring

NCT06150989
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Disease Risk Factors
Interventions
Observational Group
Behavioral
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 20, 2026, 6:47 PM EDT
Completed Not applicable Interventional

An Algorithmic Approach to Ventilator Withdrawal at the End of Life

NCT03121391
View directory record Official record
Conditions
Critical Care, Palliative Care
Interventions
Ventilator withdrawal algorithm
Procedure
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
5
States / cities
Detroit, Michigan • Royal Oak, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced Oct 20, 2026, 6:47 PM EDT