- Conditions
- COVID-19, Vaccines
- Interventions
- Reminder that facilitates action, Consistency framing, Information provision about the uniqueness of the bivalent booster, Information provision about bivalent booster eligibility, Information provision about the severity of COVID-19 symptoms
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 177,720 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
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 1–24
of 249
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- HPV Vaccination, Uptake Vaccination, Series Completion
- Interventions
- PREVENT
- Behavioral
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 335 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Multiple Myeloma, Stem Cell Transplant
- Interventions
- Pack Health's Digital Life Coaching (DLC), Electronic Handouts
- Behavioral · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Smoking Cessation, Smoking, Cigarette, Smoking Reduction, Smoking, Smoking, Tobacco, Quitting Smoking
- Interventions
- 4 weeks of Nicotine lozenge, 8 weeks of Nicotine Replacement Therapy Patch, QuitAid, Smokefree TXT, Tobacco Quitline, 4 weeks of Nicotine Replacement Therapy Patch, 8 Weeks Nicotine Lozenge
- Drug · Behavioral
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 768 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Colorectal Cancer
- Interventions
- Proactive CRC Screening Outreach, Usual Care
- Behavioral
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Brooklyn, New York
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment
- Interventions
- Light goggles, Daily reminder test message
- Device · Behavioral
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Menands, New York
- Conditions
- Healthcare Access for Taxi Drivers
- Interventions
- questionnaires
- Behavioral
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 21 Years to 85 Years · Male only
- Enrollment
- 756 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- SARS-CoV Infection
- Interventions
- Vitamin D3 or Placebo, Doctella telehealth monitoring
- Drug · Device
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Colorectal Cancer Screening
- Interventions
- Community Health Advisor, Usual care
- Behavioral
- Lead sponsor
- Florida A&M University
- Other
- Eligibility
- 45 Years to 64 Years
- Enrollment
- 115 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Tallahassee, Florida
- Conditions
- Methamphetamine Abuse
- Interventions
- Affect Methamphetamine Treatment Program
- Behavioral
- Lead sponsor
- Affect Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 79 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Appointment Reminders
- Interventions
- Text Message + Automated Caller (Intervention)
- Behavioral
- Lead sponsor
- M. Kit Delgado, MD
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 32,925 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Stress Disorder, Biofeedback
- Interventions
- The StressEraser, Breathe2Relax, Reminder text messages
- Behavioral
- Lead sponsor
- Boston Medical Center
- Other
- Eligibility
- 6 Years to 11 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- ASCVD, Diabetes
- Interventions
- SMS (Initial Outreach), Secure Portal Message (Initial Outreach), Non-secure Email (Initial Outreach), SMS (Follow-up for Non-responders), Secure Portal Message (Follow-up for Non-responders), Non-secure Email (Follow-up for Non-responders)
- Behavioral
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Pleasant Hill, California
- Conditions
- Diabetes Mellitus
- Interventions
- Practice Orientation, Standard Reminder, Gift Card Reminder, Physician Reminders
- Behavioral
- Lead sponsor
- Inova Health Care Services
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7,052 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Falls Church, Virginia
- Conditions
- Medication Adherence
- Interventions
- ID Capsule, Riboflavin, Prompts
- Other · Dietary Supplement · Behavioral
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Health Maintenance, Diabetes, Cancer
- Interventions
- Reminder of preventive care measures, Acknowledgement of personal responsibility, Planning prompt
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10,751 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Text Message R/R with Direct Appointment Schedule Link, Text Message R/R without Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Message R/R with Direct Appointment Schedule Link, Portal Message R/R without Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 239,567 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Stroke, Stroke, Acute, Cognitive Impairment, Brain Injuries, Traumatic, Medication Adherence, Medication Compliance
- Interventions
- Video Call Reminder Condition, Automated Text Message Reminder Condition
- Other
- Lead sponsor
- Kessler Foundation
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2022
- U.S. locations
- 1
- States / cities
- West Orange, New Jersey
- Conditions
- Acne
- Interventions
- More frequent than normal office visits, Electronic reminders (voice, e-mail, text messages), Parenteral involvement / intervention reminders, No intervention or reminders
- Other
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Adherence, Patient
- Interventions
- Telephone call, Text message
- Behavioral
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 121 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- HIV Infections, Sexually Transmitted Diseases
- Interventions
- PrEPmate, Dot Diary
- Other · Device
- Lead sponsor
- Public Health Foundation Enterprises, Inc.
- Other
- Eligibility
- 15 Years and older
- Enrollment
- 300 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 4
- States / cities
- San Francisco, California • Washington D.C., District of Columbia • Miami, Florida
- Conditions
- Abdominal Surgery
- Interventions
- MIR Spirobank G, ZEPHYRx®, Conventional spirometer
- Device
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- 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
- Glaucoma
- Interventions
- Personalized Glaucoma Coaching, Enhanced Standard care
- Behavioral
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 236 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 2
- States / cities
- Ann Arbor, Michigan • Detroit, Michigan