Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 7:10 AM EDT

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Showing 25–37 of 13 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Health Behavior
Interventions
Emails and letter intervention, Control group
Behavioral
Lead sponsor
Office of Evaluation Sciences
Federal
Eligibility
Not listed
Enrollment
44,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Proactive Outreach, No Proactive Outreach
Other
Lead sponsor
Harvard Medical School (HMS and HSDM)
Other
Eligibility
Not listed
Enrollment
19,113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Chicago, Illinois • Louisville, Kentucky • Boston, Massachusetts
Conditions
Health Behavior
Interventions
Two informational emails with plan information, Standard notice of eligibility determination
Behavioral
Lead sponsor
Office of Evaluation Sciences
Federal
Eligibility
0 Years to 74 Years
Enrollment
42,470 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Conditions
Value-Based Health Insurance
Interventions
Value-based Formulary
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
0 Years to 64 Years
Enrollment
36,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Health Insurance
Interventions
Healthy Michigan Plan (HMP) coverage with work requirements
Other
Lead sponsor
University of Michigan
Other
Eligibility
19 Years to 62 Years
Enrollment
892 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Supporting Decisions About Health Insurance to Improve Care for the Uninsured

NCT02522624
Conditions
Health Literacy, Health Insurance, Health Services Accessibility, Informed Decision Making
Interventions
Decision Aid (DA)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Niemann-Pick Diseases
Interventions
Not listed
Lead sponsor
National Niemann-Pick Disease Foundation
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Evaluation of a Letter Intervention Promoting a Plant-based Diet

NCT03880838
Conditions
Cardiovascular Diseases, Diabetes Mellitus, Obesity
Interventions
Personal testimonial, Forks Over Knives Documentary, Commitment nudge, Prevention nudge
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
11,234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Health Insurance, Colorectal Cancer Survivors
Interventions
Health Insurance Navigation Tools Program
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Childhood Cancer Survivors
Interventions
Health Insurance Navigation Tools Program
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hypertension
Interventions
Medicaid Expansion
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
19 Years to 64 Years
Enrollment
1,939,783 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Cancer
Interventions
CHAT-S, Usual Care
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
26 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing a Health Insurance Navigation Program for Survivors of Childhood Cancer

NCT04520061
Conditions
Health Insurance, Childhood Cancer Survivors
Interventions
Health Insurance Navigation Program
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee