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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:03 AM EDT

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Showing 25–48 of 75 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Study Habits Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Daily Habits & Consumer Preferences Study

NCT05402137
View directory record Official record
Conditions
Obesity
Interventions
Weight stigma intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Withdrawn No phase listed Observational

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in IBS

NCT04214470
View directory record Official record
Conditions
Irritable Bowel, Irritable Bowel Syndrome, Irritable Bowel Syndrome With Diarrhea, Irritable Bowel Syndrome Mixed, Irritable Bowel Syndrome With Constipation, Irritable Bowel Syndrome Without Diarrhea, Irritable Bowel Syndrome Aggravated, Irritable Bowel Syndrome Characterized by Constipation, Irritable Bowel Syndrome Characterised by Alternating Bowel Habit
Interventions
No intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting No phase listed Observational

Rheumatology Diet Study

NCT06339957
View directory record Official record
Conditions
Diet Habit, Rheumatologic Disease, Autoimmune Diseases, Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, Dermatomyositis/polymyositis, Sjogren's Syndrome, Systemic Lupus Erythematous, Scleroderma, Fibromyalgia
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 21, 2026, 10:03 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

ENRICH Nurse-Family Partnership Study

NCT05798039
View directory record Official record
Conditions
Blood Pressure, Body Composition, Blood Sugar, Body Weight, Diet Habit, Physical Inactivity
Interventions
ENRICH
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Habit Formation in Older Adults: Feasibility Study

NCT04037033
View directory record Official record
Conditions
Older Adults
Interventions
Everyday Meaningful Activities (EMA) intervention
Behavioral
Lead sponsor
East Carolina University
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Results available

Wellness Achieved Through Changing Habits (The WATCH Study)

NCT03284788
View directory record Official record
Conditions
Weight Loss, Obesity, Overweight
Interventions
ABT Weight Loss Intervention
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

What to Eat for Lunch? A Pilot Study to Improve Healthier Eating at Work

NCT01674751
View directory record Official record
Conditions
Dietary Habits
Interventions
Pre-ordering program
Other
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 24, 2014 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthier Hearts and Brains in Treating Smoking: The HABITS Study

NCT00581464
View directory record Official record
Conditions
Smoking
Interventions
Standard Behavioral Therapy, Mindfulness Based Addiction Therapy
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study Evaluating the Use of an Indoor Air Quality Monitor to Promote a Smoke-free Home

NCT06693700
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Reduction, Smoking Habit, Smoking Behaviors, Smoking, Tobacco, Smoking, Cigarette, Smoking (Tobacco) Addiction, Tobacco Use, Tobacco Smoking
Interventions
Indoor Air Quality Monitor AirGradient ONE
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The STRENGTH Study: Shapely Sisters Targeting Realistic Exercise and Nutrition Goals Through Healthy Habits

NCT02253641
View directory record Official record
Conditions
Obesity
Interventions
Standard Weight Loss Intervention, Stress-Focused Weight Loss Intervention
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Oct 21, 2026, 10:03 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Foods Within a Meal and Food Liking Study

NCT03783507
View directory record Official record
Conditions
Diet Habit, Obesity
Interventions
Order 1, Order 2, Order 3, Order 4
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Change in Drinking Identity as a Mechanism for Reducing Hazardous Drinking - Study 2

NCT03889873
View directory record Official record
Conditions
Drinking; Excess, Habit (Continual), Identity, Social
Interventions
Narrative Writing
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 25 Years
Enrollment
329 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Results available

Proof-of-Concept Study of an Integrated Mobile and Social Network Weight Loss Intervention

NCT05295849
View directory record Official record
Conditions
Obesity
Interventions
Building Habits Together Online Weight Loss 6-Week Usability Trial
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational Results available

PortionSize Study 3: Assessment in Free-living Conditions

NCT05906160
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 62 Years
Enrollment
63 participants
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Change Club Study: Evaluation of Civic Engagement for Built Environment Change and Health Improvement

NCT05002660
View directory record Official record
Conditions
Heart Diseases
Interventions
Group 1 (Intervention), Group 2 (Control)
Behavioral
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
2,420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
13
States / cities
Camden, New York • Canastota, New York • Carthage, New York + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Results available

Evaluation of an Artificial Intelligence-Assisted, Image-Based Dietary Assessment Tool in the Framingham Heart Study

NCT06455111
View directory record Official record
Conditions
Dietary Habits
Interventions
Keenoa, ASA24
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nicotine and Brain Imaging Research Study

NCT01227343
View directory record Official record
Conditions
Nicotine
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study A

NCT03470558
View directory record Official record
Conditions
Bariatric Surgery, Sleeve Gastrectomy, Obesity
Interventions
Dietary habits
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 60 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

PortionSize Study 1 Laboratory-based Evaluation)

NCT04700904
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional

Proof-of-Concept Study of Heart Habits Application for Patients With Heart Failure

NCT03238729
View directory record Official record
Conditions
Heart Failure
Interventions
Heart Failure Education and Management App, Heart Failure Literature
Behavioral
Lead sponsor
Jana Care
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development, Attention, and Inhibition Study

NCT06605001
View directory record Official record
Conditions
The Ability to Delay Gratification
Interventions
Delay of Gratification
Other
Lead sponsor
University of California, Davis
Other
Eligibility
4 Years to 7 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

TMJ NextGeneration(TM) Feasibility Study

NCT02257320
View directory record Official record
Conditions
Bruxism
Interventions
TMJ NextGeneration(TM)
Device
Lead sponsor
TMJ Health
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Boca Raton, Florida • Boynton Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Circadian Intervention to Improve Cardiometabolic Health

NCT05943626
View directory record Official record
Conditions
Cardiometabolic Syndrome, Type 2 Diabetes, Sleep, Time Restricted Feeding, Lifestyle Factors, Overweight and Obesity, Insulin Sensitivity, Eating Habit, Sleep Hygiene
Interventions
Circadian Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adhering to Dietary Approaches for Personal Taste (ADAPT)

NCT03226938
View directory record Official record
Conditions
Dietary Habits
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
3,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Oct 21, 2026, 10:03 AM EDT