- Conditions
- Health Behaviors
- Interventions
- Values Clarification, Planning, Combined
- Behavioral
- Lead sponsor
- Boston University Charles River Campus
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 118 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–13
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Hepatitis C
- Interventions
- Opt-Out, Letter, Behavioral Economic Messaging, Usual Care Messaging
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 53 Years to 73 Years
- Enrollment
- 21,493 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Portal Reminders for Influenza Vaccination: Direct scheduling link, Portal Reminders for Influenza Vaccination: No direct scheduling link, Pre-Commitment Prompt, Pre-Appointment flu vaccine reminders
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 4 Months and older
- Enrollment
- 213,773 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Aging, Benzodiazepine Sedative Adverse Reaction, Anticholinergic Adverse Reaction, Adverse Drug Event
- Interventions
- Order Entry, Open Encounter, Follow-up booster Alert, Cold State outreach, Simplified, Sign-off alert, Pre-commitment, Different Risks, Standard Epic Basic Alert, Enhanced Alert
- Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 216 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Braintree, Massachusetts
- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Portal Reminders for Influenza Vaccination: Gain-framed, Portal Reminders for Influenza Vaccination: Loss-framed, Pre-commitment prompt
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 4 Months and older
- Enrollment
- 430,636 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- HIV Infections
- Interventions
- PrEP persistence
- Behavioral
- Lead sponsor
- Boston University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 106 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Influenza, Human
- Interventions
- Flu shot text messages
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 734,383 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Text Fixed R/R Messages with Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link, Portal Fixed R/R Messages with Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 262,085 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Health-Related Behavior
- Interventions
- Values Clarification Mobile Application, Self-Reflection Mobile Application
- Behavioral
- Lead sponsor
- Mississippi State University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Starkville, Mississippi
- Conditions
- Hoarding
- Interventions
- Values Clarification Mobile Application, Self-Reflection Mobile Application
- Behavioral
- Lead sponsor
- Mississippi State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Starkville, Mississippi
- Conditions
- Aging, Benzodiazepine Sedative Adverse Reaction, Anticholinergic Adverse Reaction, Adverse Drug Event
- Interventions
- Follow-up booster Alert, Pre-commitment, Enhanced Alert
- Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 201 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Smoking
- Interventions
- Deposit Contract, Incentives
- Behavioral · Other
- Lead sponsor
- Community Health Center, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 311 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Middletown, Connecticut
- Conditions
- Designating a Healthcare Proxy
- Interventions
- Mailer, Provider Request, Pre-commitment Prompt
- Behavioral
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Martinez, California