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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Information Letter Clear all
Completed Not applicable Interventional

CHOICES: Understanding Clinical Trials as a Treatment Option

NCT00983866
View directory record Official record
Conditions
Cancer
Interventions
Tailored Telephone Counseling
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
1,376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scaling CRC Screening Through Outreach, Referral, and Engagement (SCORE)

NCT04406714
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Trial Mailed FIT Intervention - Age Group 50-75, Sub-Study Mailed FIT Intervention Enhanced Envelope - Age Group 45-49, Sub-Study Mailed FIT Active Comparator Plain Envelope - Age Group 45-49
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
4,318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Ahoskie, North Carolina • Hendersonville, North Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Multilevel Intervention on Adult COVID-19 and Influenza Vaccination Rate

NCT06646406
View directory record Official record
Conditions
COVID-19 Immunisation, Influenza Vaccine
Interventions
Patient letter and clinician communication
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
114,165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Sep 23, 2026, 11:39 AM EDT
Recruiting Not applicable Interventional

Re-Engaging AYA Survivors in Cancer-Related Healthcare

NCT07138040
View directory record Official record
Conditions
Cancer
Interventions
Stage 1 Written Information, Stage 1 Low Touch Intervention, Stage 2 Written Information, Stage 2 Low Touch Intervention, Stage 2 High Touch Intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
15 Years to 29 Years
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Columbus, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Family Access to Dentist Study

NCT02395120
View directory record Official record
Conditions
Dental Caries
Interventions
Standard letter, Intervention letter, Reduced intervention letter, DIG, Reduced DIG
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
5 Years to 10 Years
Enrollment
1,305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Cleveland, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional

Determining Depression Treatment Preferences of Low-Income Latinos in Primary Care Settings

NCT00260169
View directory record Official record
Conditions
Depression
Interventions
Collaborative care treatment, Enhanced usual care
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
3
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 23, 2026, 11:39 AM EDT
Not yet recruiting Not applicable Interventional

Expanding Genetic Access for Prostate Cancer Survivors

NCT07618520
View directory record Official record
Conditions
Prostate Cancer Patients, Hereditary Cancer, Genetic Testing
Interventions
Print Genetic Education Guide, Digital Guide Genetic Education Guide, Enhanced Usual Care
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
Washington D.C., District of Columbia • New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional

Explore Transplant at Home: Improving Low-Income ESRD Patients' Transplant Knowledge

NCT02268682
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Patient-Guided, Educator-Guided
Other
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years to 74 Years
Enrollment
558 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Results available

Caregiver Outcomes of Alzheimer's Disease Screening

NCT03300180
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Collaborative Dementia Care Program, Screening Only
Behavioral · Other
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older
Enrollment
1,822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Proactive Outreach and Shared Decision Making in Improving Lung Cancer Screening Rates in Primary Care Patients

NCT03929926
View directory record Official record
Conditions
Lung Cancer
Interventions
Best Practice, Cancer Educational Materials, Behavioral, Psychological or Informational Intervention, Counseling
Other · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
55 Years to 80 Years
Enrollment
2,355 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Results available

Streamlined Genetic Testing in Prostate Cancer

NCT04359758
View directory record Official record
Conditions
Prostate Cancer
Interventions
Proactive Streamlined Genetic Education and Testing, Usual Care
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 80 Years · Male only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 23, 2026, 11:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of CMS Reimbursement Policy Supporting Care Coordination in Louisiana

NCT03136471
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Chronic Disease
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
22,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Muslim Americans Reaching for Health and Building Alliances (MARHABA): Patient Navigation Intervention to Increase Breast and Cervical Cancer Screening Among Muslim Women in New York City

NCT03081507
View directory record Official record
Conditions
Breast Cancer, Cervical Cancer
Interventions
SM-LHW, PN-LHW
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Sep 23, 2026, 11:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Cascade Communication Methods

NCT04428736
View directory record Official record
Conditions
BRCA1 Mutation, BRCA2 Mutation
Interventions
Disclosure Toolkit
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Results available

Awareness Enhancing Interventions

NCT04683510
View directory record Official record
Conditions
Research Awareness
Interventions
Navigation - Study Specific - Researcher Voice, Navigation - Study Specific - Cancer Survivor Voice, Navigation - Research General - Researcher Voice, Navigation - Research General - Cancer Survivor Voice, Brochure - Study Specific - Researcher Voice, Brochure - Study Specific - Cancer Survivor Voice, Brochure - Research General - Researcher Voice, Brochure - Research General - Cancer Survivor Voice
Other
Lead sponsor
University of Tennessee
Other
Eligibility
50 Years and older
Enrollment
4,451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Birmingham, Alabama • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Phase 1Phase 2 Interventional

Primary Care Patients With Depression for Internet-Based Social Support

NCT00886730
View directory record Official record
Conditions
Depressive Disorder
Interventions
Simple Card, Patient Centered Brochure, Physician's endorsement
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 16, 2012 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional

Encouraging Overdue Healthcare Appointment Scheduling Among Patients With Chronic Diseases

NCT05000619
View directory record Official record
Conditions
Health Promotion, Prevention, Risk Reduction Behavior
Interventions
Outreach mailer, Humor/Salience, Doctor's authority, Information
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
21,562 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mail Outreach To Increase Vaccination Acceptance Through Engagement

NCT02243774
View directory record Official record
Conditions
Influenza, Human, Influenza, Human Flu
Interventions
Core letter signed by Surgeon General, Core letter signed by the Director of the National Vaccine Program, Core letter signed by Surgeon General + implementation prompt, Core letter signed by SG + enhanced implementation prompt
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
66 Years and older
Enrollment
228,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Patient Activation After DXA Result Notification

NCT01507662
View directory record Official record
Conditions
Osteoporosis, Bone Diseases, Metabolic
Interventions
Bone Mineral Density Result Letter and Bone Health Brochure
Behavioral
Lead sponsor
Fredric D Wolinsky
Other
Eligibility
50 Years and older
Enrollment
7,749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 9, 2020 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of an Intervention to Increase Colorectal Cancer Screening in Primary Care Clinics

NCT00737646
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Usual care, Clinic-focused intervention, Clinic- and patient-focused
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
50 Years to 75 Years
Enrollment
5,066 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
3
States / cities
Detroit, Michigan • Albuquerque, New Mexico • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 16, 2012 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional

Improving Quality of Osteoporosis Care Through Patient Storytelling

NCT01112098
View directory record Official record
Conditions
Osteoporosis
Interventions
Patient Pamphlet
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
65 Years and older · Female only
Enrollment
2,997 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 9, 2011 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Results available

Encouraging Judicious Prescribing of Opioids in Los Angeles County

NCT03856593
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Standard letter, Comparator letter
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study Comparing Two Versions of Group Cognitive-behavioral Indicated Prevention Programs

NCT04111887
View directory record Official record
Conditions
Depressive Symptoms
Interventions
Group-based therapy
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years to 28 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 23, 2026, 11:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parent Engagement Package: Comparing Strategies for Engaging Parents Into Parenting Programs

NCT03147716
View directory record Official record
Conditions
Patient Compliance
Interventions
Enrollment Flyer, Testimonial Booklet, Teacher Endorsement, Provider Engagement Call
Other
Lead sponsor
Arizona State University
Other
Eligibility
Not listed
Enrollment
854 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Sep 23, 2026, 11:39 AM EDT