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Showing 1–24 of 1,012 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Telephone counseling intervention Clear all
Completed Not applicable Interventional

Effectiveness of Smoking-cessation Interventions for Urban Hospital Patients

NCT01363245
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Fax-to-quit
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
1,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2015 · Synced Sep 21, 2026, 2:45 AM EDT
Recruiting Not applicable Interventional

Boosting Emotional Well-being and Happiness in Outpatients Living With Diabetes

NCT05420051
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Positive Psychology + Motivational Interviewing, Motivational Interviewing
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Effects of a Whole-food, Plant-based Nutrition Program on BP and Potassium in Subjects With CKD

NCT06343129
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Dietary education program
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 21, 2026, 2:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Multi-Component Breath Alcohol Intervention Phase 3

NCT06994962
View directory record Official record
Conditions
Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions
Alcohol-related mobile health technologies, Motivational interview and psychoeducation on blood/breath alcohol concentration, Lower tech facilitation, Higher tech facilitation, Alcohol Education, Alcohol Education Technology
Device · Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 21, 2026, 2:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Colorectal Cancer Screening Intervention for Family Members of Colorectal Cancer Patients

NCT00582829
View directory record Official record
Conditions
Colorectal, Cancer, Screening, Intervention
Interventions
Generic Print Intervention, Tailored Print Intervention, Tailored print plus tailored phone intervention
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years and older
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 6, 2008 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Phase 2 Interventional

Telephone Intervention for Caregivers of Persons With Traumatic Brain Injury

NCT00692575
View directory record Official record
Conditions
Brain Injuries
Interventions
Problem-solving, education based telephone counseling, No Intervention
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
16 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Phase 2 Interventional

A Pilot Study to Evaluate a Telepharmacy Intervention to Improve Inhaler Adherence in Veterans With COPD

NCT01270594
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
COPD Inhaler Counseling, Usual Pharmacy Care
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Results available

Kids Safe and Smokefree (KiSS)

NCT01745393
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Clinic Quality Improvement + Behavioral Counseling, Clinic Quality Improvement + Attention Control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
4
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV

NCT04505371
View directory record Official record
Conditions
HIV Infections, Smoking, Smoking Cessation
Interventions
Wellness Intervention for Smokers with HIV
Behavioral
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Facilitating Follow-Up Adherence for Abnormal Pap Smears

NCT01561326
View directory record Official record
Conditions
Uterine Cervical Neoplasms
Interventions
Cognitive-affective barriers counseling, Cognitive-affective barriers counseling via brochure, standard care
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 22, 2012 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Lifestyle Physical Activity Intervention for Depressed Alcohol Dependent Women

NCT02705898
View directory record Official record
Conditions
Alcohol Dependence
Interventions
LPA+Fitbit, HEC
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 4, 2019 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project POWER, Adapting Project SAFE: Reducing STD/HIV Risk in Women Prisoners

NCT01111721
View directory record Official record
Conditions
HIV Infections
Interventions
Project POWER HIV Risk-reduction Intervention, NC DOC Standard of Care for STIs
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
598 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Raleigh, North Carolina • Rocky Mount, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2013 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Health Improvement Program: Effects of a Workplace Sugary Beverages Sales Ban and Motivational Counseling

NCT05972109
View directory record Official record
Conditions
Obesity, Abdominal, Insulin Sensitivity
Interventions
Workplace SSB sales ban, Brief Intervention
Other · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
604 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Reaching and Treating Lesbian, Gay, Bisexual, and Transgender (LGBT) Cigarette Smokers

NCT00634218
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mail-based Self-help plus Internet-based Smoking Treatment, Self-Help Manual plus Telephone counseling, Self-Help Manual, Self-Help Manual plus Internet-based Intervention plus Telephone Counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2012 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Results available

Stroke and CPAP Outcome Study 3

NCT06029959
View directory record Official record
Conditions
Ischemic Stroke, Intra Cerebral Hemorrhage, Obstructive Sleep Apnea, Adherence, Treatment, Motivation
Interventions
Continuous positive airway pressure (CPAP), CPAP technical support intervention, Motivational Enhancement Therapy (MET), Mobile Health intervention
Device · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Quit IT: Preliminary Testing of a Web-based, 3D Coping Skills Game to Increase Quitting Self-Efficacy for Maintaining Smoking Abstinence Following Hospitalization

NCT02099097
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
web-based video game (Quit IT), Questionnaires, Salvia sample
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Telephone Counseling for Tobacco Cessation

NCT01489579
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Telephone Counseling for Tobacco Cessation, Usual Care
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Results available

Longitudinal Follow-up of Brief Parenting Interventions to Reduce Risk of Child Physical Maltreatment

NCT04059185
View directory record Official record
Conditions
Parenting, Child Behavior, Child Rearing
Interventions
Triple P-Level 2, Play Nicely, Usual care
Other
Lead sponsor
Tulane University
Other
Eligibility
2 Years and older
Enrollment
1,133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Implementation Intentions to Promote Colon Cancer Screening in Rural Primary Care Practice

NCT00599378
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Implementation Intentions-based telephone counseling
Behavioral
Lead sponsor
Kimberly Engelman, PhD
Other
Eligibility
50 Years and older
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2013 · Synced Sep 21, 2026, 2:45 AM EDT
Recruiting Not applicable Interventional

Study Comparing Acceptance and Commitment Therapy to Supportive Diabetes Counseling and a Waitlist Control for Eating Disorders in Type 1 Diabetes

NCT05540704
View directory record Official record
Conditions
Type 1 Diabetes, Eating Disorders, Disordered Eating Behaviors, Purging (Eating Disorders), Binge-Eating Disorder
Interventions
ACT, Supportive Diabetes Counseling
Behavioral
Lead sponsor
Duke University
Other
Eligibility
16 Years to 50 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Durham, North Carolina • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Comparative Effectiveness of Two Tobacco Cessation Interventions for Employees of Partners HealthCare, Inc.

NCT02601521
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Internal tobacco coach, External tobacco coach
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Results available

Smartphone Based Continuing Care for Alcohol

NCT02681406
View directory record Official record
Conditions
Alcohol Abuse
Interventions
ACHESS, TMC
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 21, 2026, 2:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Health Literacy Intervention for African Americans With Diabetes

NCT03925948
View directory record Official record
Conditions
Uncontrolled Diabetes
Interventions
PLAN 4 Success-Diabetes
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 21, 2026, 2:45 AM EDT
Recruiting Not applicable Interventional

Trial of Exercise and Lifestyle for Women With Ovarian and Endometrial Cancer

NCT05761561
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Exercise and medical nutrition
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 21, 2026, 2:45 AM EDT