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 volunteers
Molecular Genetics Studies of Cancer Patients and Their Relatives
City of Hope Medical Center
- Location
- Phoenix, AZ + 33 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The Actuate-CBC Study
University of Pennsylvania
- Location
- Orange, CA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Circulating Biomarkers in the Development of Type 1 Diabetes
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Investigating the Feasibility and Acceptability of an Innovative Interdisciplinary Supportive Care Program: Couples Coping Together Against Cancer
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Dyadic Sleep Health Approach for Persons With Alzheimer's Disease and Caregivers
University of California, Los Angeles
- Location
- La Jolla, CA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
- Location
- Birmingham, AL + 26 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Behavioral Activation and Risk Reduction for Stimulant Use Among Sexually Active Adolescents and Young Adults
Westat
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 16–24
- RecruitingHealthy volunteers
Acoustic and Electrical Stimulation for the Treatment of Tinnitus
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Platelet Expression of FcγRIIa and Arterial Hemodynamics to Predict Recurrent Stroke in Intracranial Atherosclerosis
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Polyphenols and Cognitive Decline
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Increasing Germline Genetic Testing for Patients With Cancer
Josh Peterson
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
fNIRS for Disorders of Consciousness
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis
Columbia University
- Location
- Beverly Hills, CA + 4 other US sites
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
SPIROMICS Study of Early COPD Progression (SOURCE)
University of Massachusetts, Worcester
- Location
- Birmingham, AL + 13 other US sites
- Eligibility basics
- Ages 30–55
- RecruitingHealthy volunteers
Breast Cancer Screening Adherence for Women at Moderate Risk for Breast Cancer
University of Southern California
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 30–75 · Women only
- RecruitingHealthy volunteers
The INSPIRE -Faith Study: Intervention Strategies for Preserving Intellectual Resilience and Engagement
Healthy Minds Initiative
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 55–85
- RecruitingHealthy volunteers
Comparing Two School-Based Sleep Health Interventions To Promote Sleep Quality in Youth
Children's Hospital Los Angeles
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Prostate Cancer Screening for People at Genetic Risk for Aggressive Disease, PATROL Study
University of Washington
- Location
- Duarte, CA + 6 other US sites
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
Cardiac-Control Affecting Learning Through Mindfulness (CALM)
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 50–70
- RecruitingHealthy volunteers
A Study to See if an iPhone Weight Management App Can Help Promote Weight Loss in Adolescents and Young Adults After a Stem Cell Transplant
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 13–30
- RecruitingHealthy volunteers
New Approach to Objectively Measure Social Engagement in Older Adults With Hearing Loss
University of Southern California
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteers
A Culturally Informed Patient Navigation Program (CFPN) to Reduce Delays Between Diagnosis and Treatment in American Indian and Alaska Native Cancer Patients Living in Rural California
University of Southern California
- Location
- Bishop, CA + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Positive Affect Treatment for Adolescents With Early Life Adversity
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 12–16
- RecruitingHealthy volunteersPhase 4
Regional Blocks for Lateral Condyle Fractures
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 4–12