Phase 1 · Los Angeles area, CA
Phase 1 clinical trials in Los Angeles area, CA
133 recruiting studies have a site in the Los Angeles area. This page includes nearby cities such as Santa Monica, Beverly Hills, Pasadena, Long Beach.
133 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Investigate the Relative Bioavailability and Safety of Different Oral Formulations of Elecoglipron in Healthy Participants
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Phase 1 Study of SBS-147 in Healthy Adults
Sparian Biosciences, Inc
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of V132 in Healthy Older Participants (V132-001)
Merck Sharp & Dohme LLC
- Location
- Anaheim, CA + 9 other US sites
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Pharmacokinetics (PK), Safety, and Tolerability of VH4367310 in Healthy Adult Participants
ViiV Healthcare
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
Study of S-892216 Long-acting Injectable (LAI) in Healthy Adult Participants
Shionogi
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- Huntington Beach, CA + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, and Pharmacokinetics of AZD3974 in Healthy Participants
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AZD1043 in Healthy Adult Participants Living With Overweight and/or Obesity.
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study of BBT001 in Healthy Volunteers (HVs) and in Adult Patients With Atopic Dermatitis (AD)
Bambusa Therapeutics
- Location
- Irvine, CA + 2 other US sites
- Eligibility basics
- Ages 18–72
- RecruitingHealthy volunteersPhase 1
A Study to Investigate the Safety and Pharmacokinetics of Single- and Multiple-ascending Doses of AZD4916 in Healthy Volunteers
AstraZeneca
- Location
- Glendale, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Assess Safety, Tolerability, and How Single and Multiple Injections or Infusions of ABBV-313 Affects the Body of Adult Participants
AbbVie
- Location
- Anaheim, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
Safety and Drug Concentrations of REGN20934 in Adults With Overweight or Obesity
Regeneron Pharmaceuticals
- Location
- Glendale, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Drug Levels, Absolute Bioavailability, Safety, Tolerability, and Immunogenicity of Single-Dose of BMS-986446 in Healthy Adults After Single-dose Administration, and Participants With Early…
Bristol-Myers Squibb
- Location
- Anaheim, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of GS-4321 in Healthy Participants and Participants With Chronic Hepatitis Delta Virus
Gilead Sciences
- Location
- Anaheim, CA + 4 other US sites
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteersPhase 1
A Research Study on How UBT251 Affects Levels of Midazolam, Caffeine and Warfarin in the Blood of Participants With Excess Body Weight
Novo Nordisk A/S
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4248 in Healthy Participants and Participants With Chronic Kidney Disease and Type 2 Diabetes and to Assess Home Measurements of…
AstraZeneca
- Location
- Glendale, CA + 3 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
A Clinical Trial of MK-4082 in Healthy Participants (MK-4082-005)
Merck Sharp & Dohme LLC
- Location
- Anaheim, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Assess the Safety, Tolerability and How Single Ascending Doses of ABBV-859 Moves Through the Body of Healthy Adult Participants
AbbVie
- Location
- Anaheim, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
FIH Study to Evaluate the Tolerability of PF-07832837 in Healthy Adults and Patients
Pfizer
- Location
- Anaheim, CA + 4 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)
Novartis Pharmaceuticals
- Location
- Orange, CA + 18 other US sites
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersEarly Phase 1
Secretome Treatment for Facial Rejuvenation
Acorn Biolabs Inc.
- Location
- Newport Beach, CA
- Eligibility basics
- Ages 30–75
- RecruitingHealthy volunteersPhase 1
A Study of Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of SR604 in Two Participants Groups (Part A: Healthy Participants, and Part B: Participants With Hemophilia A or Hemophilia B or Factor VII…
Equilibra Bioscience LLC
- Location
- Los Angeles, CA + 6 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
A Study to Assess How Intravenous and Subcutaneous Administrations of Risankizumab Moves Through the Body of Healthy Adult Participants
AbbVie
- Location
- Anaheim, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Single Dose, Phase 1 Study of JADE101 in Healthy Japanese and Chinese Participants
Jade Biosciences, Inc.
- Location
- Glendale, CA
- Eligibility basics
- Ages 18–55
Who these studies look for
Phase 1 studies often have narrow eligibility: specific age and weight ranges, no recent participation in another study, no nicotine, and limits on medications. Some Phase 1 studies recruit patients rather than healthy volunteers, so check each listing.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.