Search | Clinical Trials Finder

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 9, 2026, 6:46 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–43 of 43 matching trials from the live ClinicalTrials.gov search.

Filters: Sponsor: California Department of Public Health Clear all

Conditions: Foetal Exposure During Pregnancy
Interventions: Electronic SBI; Behavioral
Lead sponsor: Public Health Institute, California; Other
Eligibility: 18 Years to 44 Years · Female only
Enrollment: 185 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2018
U.S. locations: 2
States / cities: Oakland, California • Santa Rosa, California

Conditions: Antibiotics, Upper Respiratory Infections, Safety-Net Hospitals, Behavioral Economics, Choosing Wisely
Interventions: Nudge using Behavioral Economic Interventions, Standard Practices to Reduce Health System Antibiotic Prescription; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 2,500 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2018
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: HIV
Interventions: Active Referral, Drop-In Multidisciplinary HIV Care, Mobile HIV Care, Staged Care, Identify and prepare champions at referral sites, Audit and feedback at referral sites, Build a coalition among referral and clinical sites, Assess for readiness and identify barriers, Promote adaptability, Develop a formal implementation blueprint, Develop educational materials; conduct ongoing training, Create a learning collaborative; Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 15 Years and older
Enrollment: 400 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2027
U.S. locations: 5
States / cities: Oakland, California • San Francisco, California

Conditions: Risk Reduction, HIV, Sexually Transmitted Infections (Not HIV or Hepatitis)
Interventions: Sex Pro mobile Application; Behavioral
Lead sponsor: Public Health Foundation Enterprises, Inc.; Other
Eligibility: 18 Years to 29 Years · Male only
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Human Papilloma Virus Infection
Interventions: Tailored education and referral, Staff training and patient reminders, Clinic-level reminder systems; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 9 Years to 70 Years
Enrollment: 53,414 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2019
U.S. locations: 2
States / cities: Alhambra, California • San Fernando, California

Conditions: Gonorrhea, Chlamydia, Syphilis
Interventions: Doxycycline Hyclate Delayed-Release 200 mg; Drug
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older · Male only
Enrollment: 641 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2023
U.S. locations: 3
States / cities: San Francisco, California • Seattle, Washington

Conditions: HIV Prevention, HIV Infections
Interventions: tenofovir + emtricitabine, lopinavir/ritonavir; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 267 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 2
States / cities: Los Angeles, California

Conditions: Smoking Cessation Counselling
Interventions: Free Help, Free Nicotine message, Spanish: Free help message, Spanish: Free nicotine message; Behavioral
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years and older
Enrollment: 4,171 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022
U.S. locations: 1
States / cities: San Diego, California

Conditions: Quality of Health Care
Interventions: Rating tool, Feedback; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years and older
Enrollment: 220 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Botulism
Interventions: rBV A/B; Biological
Lead sponsor: California Department of Public Health; Other
Eligibility: 18 Years to 69 Years
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2015
U.S. locations: 2
States / cities: Richmond, California • West Jefferson, Ohio

Conditions: Teen Pregnancy Prevention
Interventions: Adolescent Family Life Program Positive Youth Development (PYD) program, Adolescent Family Life Program (AFLP); Behavioral
Lead sponsor: Mathematica Policy Research, Inc.; Other
Eligibility: 14 Years to 18 Years · Female only
Enrollment: 1,330 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2018
U.S. locations: 13
States / cities: Goleta, California • Hayward, California • Kelseyville, California + 10 more

Conditions: Sexual Violence, Sexual Assault, Adolescent Behavior
Interventions: Close to Home; Behavioral
Lead sponsor: University of California, San Diego; Other
Eligibility: 14 Years to 24 Years
Enrollment: 953 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: Berkeley, California

Conditions: HIV/AIDS, Sexually Transmitted Infections
Interventions: RESPECT-2 Counseling; Behavioral
Lead sponsor: Columbia University; Other
Eligibility: 18 Years and older
Enrollment: 5,012 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2012
U.S. locations: 9
States / cities: Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 6 more

Conditions: COVID-19, Well-Being, Psychological
Interventions: INFORMED-Living Well, Text Messaging Only; Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 616 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024
U.S. locations: 4
States / cities: Fresno, California • San Francisco, California • San Jose, California

Conditions: Hepatitis C, Chronic
Interventions: Patients receiving Sof/Vel (Epclusa) and Navigation services; Drug
Lead sponsor: San Francisco Department of Public Health; Government
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Depression, Depressive Disorder, Behavioral Symptoms, Mood Disorders
Interventions: Collaborative depression care management; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years and older
Enrollment: 108 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Transgender Persons, Pre-Exposure Prophylaxis
Interventions: Emtricitabine / Tenofovir Disoproxil Oral Tablet, PrEP support; Drug · Behavioral
Lead sponsor: Public Health Foundation Enterprises, Inc.; Other
Eligibility: 18 Years and older
Enrollment: 158 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2020
U.S. locations: 5
States / cities: Fremont, California • San Francisco, California

Conditions: Influenza, Vaccine Hesitancy
Interventions: Text messaging; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 6 Months and older
Enrollment: 228,831 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Mental Disorders, Schizophrenia, Overweight, Obesity
Interventions: Psychosocial Weight Intervention; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 61 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2017
U.S. locations: 1
States / cities: Los Angeles, California

Search by objective public record fields.

Computerized Tool for Preventing Prenatal Drinking

Use of a Behavioral Economic Intervention to Reduce Antibiotic Prescription for Upper Respiratory Infections

Multidisciplinary Low-Barrier and Mobile HIV Care to Improve Retention and Viral Suppression: Stakeholder-Engaged Design and Evaluation

Personalized HIV and STI Testing Tool

Increasing Human Papillomavirus Vaccine Uptake in Low-Income, Ethnic Minority Adolescents in Los Angeles County

Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men

Interventions for HIV Negative Men and Women Who Have High-risk Suspected Exposure to HIV

Pragmatic Trial of Text Messages to Recruit Unassisted Tobacco Users Into Quitline Service

Application of Behavioral Economics to Improve eConsult

Safety, Tolerability, and Immunogenicity Study of Investigational Recombinant Botulinum Vaccine A/B (rBV A/B) in Volunteers Previously Immunized With Investigational Pentavalent Botulinum Toxoid

Impacts of the Positive Youth Development Program for Expectant and Parenting Teens in California

Evaluation of the Close to Home Program in California

HIV Rapid Testing & Counseling in Sexually Transmitted Disease (STD) Clinics in the U.S.

Getting INFORMED and Living Well Among Asian Americans in California

Curing HCV in Incarcerated Patients

Multifaceted Depression and Cardiovascular Program

The Stay Study: A Demonstration Project Advancing PrEP Delivery in the San Francisco Bay Area Transgender Community

Precision Vaccine Promotion in Underserved Populations

A System for Preference Assessment in Mental Health