Location · Los Angeles, CA
Clinical trials in Los Angeles, CA
1045 recruiting studies have a site in the Los Angeles area, and 275 of them accept healthy volunteers. The area includes Santa Monica, Beverly Hills, Pasadena, Long Beach, Torrance, Inglewood and nearby cities.
1,045 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteersPhase 3
Screening for Prostate Cancer Using High Resolution Micro-ultrasound Versus Multiparametric Magnetic Resonance Imaging.
University of Alberta
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 50–70 · Men only
- RecruitingHealthy volunteers
Latinx Children and Surgery
University of California, Irvine
- Location
- Orange, CA
- Eligibility basics
- Ages 2–12
- RecruitingHealthy volunteers
American Lung Association (ALA) Lung Health Cohort
Johns Hopkins University
- Location
- Birmingham, AL + 26 other US sites
- Eligibility basics
- Ages 25–35
- RecruitingHealthy volunteers
UCLA REST Study (REsearch on Sleep Techniques)
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–22
- RecruitingHealthy volunteers
CHOICE to AVOID or RESIST
Cedars-Sinai Medical Center
- Location
- Beverly Hills, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Women Informed to Screen Depending on Measures of Risk (Wisdom Study)
University of California, San Francisco
- Location
- Birmingham, AL + 8 other US sites
- Eligibility basics
- Ages 30–74 · Women only
- RecruitingHealthy volunteersPhase 3
Cessation or Reduction of Alcohol Consumption in Veterans: A Randomized Controlled Trial for Alcohol Use Disorder (CRAVE)
VA Office of Research and Development
- Location
- Long Beach, CA + 17 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 3
Delaying the Onset of Nearsightedness Until Treatment (DONUT) Clinical Trial
Ohio State University
- Location
- Birmingham, AL + 11 other US sites
- Eligibility basics
- Ages 6–11
- RecruitingHealthy volunteers
Telehealth Self-Management Coaching Sessions to Improve Quality of Life in Pancreatic Cancer Survivors and Their Family Care Givers
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Clinic-wide Intervention (Primary Care-GI Connect) for Improving Rates of Colonoscopy After Abnormal Fecal Immunochemical Test Result in Patients at Federally Qualified Health Centers
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults
Duke University
- Location
- Birmingham, AL + 88 other US sites
- Eligibility basics
- Ages 75+
- RecruitingHealthy volunteers
Friedreich Ataxia Global Clinical Consortium UNIFIED Natural History Study
Friedreich's Ataxia Research Alliance
- Location
- Los Angeles, CA + 8 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Pilot Study on In-vivo Non-invasive Skin Imaging Using Multiphoton Microscopy
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Intracranial Neurophysiological Signatures of Fear and Anxiety in Humans
Duke University
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 3
Digital Health Intervention for Self-Management and Telemonitoring in Chimeric Antigen Receptor (CAR-T) Therapy
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Diet Quality Pilot Intervention in LA Safety Net
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The HOPE Biobank Resource (BMT CTN 2402 HOPE)
Medical College of Wisconsin
- Location
- Duarte, CA + 13 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
ASSESS ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- Birmingham, AL + 35 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PREVENT ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- Birmingham, AL + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Coronary Atherosclerosis T1-Weighted Characterization (CATCH)
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Measurement and Determinants of Diet Quality in Older Adults
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteers
Caring for Dementia Caregivers in Ethnic Immigrant Communities
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evidence-Based Quality Improvement to Reduce VA Primary Care Burnout
VA Greater Los Angeles Healthcare System
- Location
- Los Angeles, CA
- Eligibility basics
- Any age listed