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
17 studies with pay posted
Exact amounts posted by the research company for each study. The button opens that study’s own page.
Pays up to
$32,450
Clinical Trial for People with Type 2 Diabetes (S-38170)
Altasciences · Cypress, CA
Two schedule options (up to $18,050 or up to $32,450), with multi-night stays and outpatient visits.
Ages 18+ · Male/Female
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Pays up to
$32,150
Clinical Trial for Healthy Adults with Overweight or Obesity (N-38160)
Altasciences · Cypress, CA
Two schedule options (up to $17,750 or up to $32,150), with multi-night stays and outpatient visits.
Ages 18+ · Male/Female
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Pays up to
$30,000
Clinical Trial for People Living with Type 2 Diabetes (S-36900)
Altasciences · Cypress, CA
Ages 18+ · Male/Female
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Pays up to
$26,700
Diabetes Type 2
CenExel · Anaheim, CA
Ages 18–70 · Male/Female
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Pays up to
$26,600
Healthy Volunteers Needed for a Clinical Trial (N-40600)
Altasciences · Cypress, CA
Ages 18–55 · Male/Female
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Pays up to
$25,725
Clinical Study for People with Type 2 Diabetes (S-40910)
Altasciences · Cypress, CA
Ages 18–64 · Male/Female
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Pays up to
$25,000
Research Study for Obesity (N-34300)
Altasciences · Cypress, CA
Ages 18+ · Male/Female
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Pays up to
$16,050
Healthy but Overweight Volunteers Needed (N-39610)
Altasciences · Cypress, CA
Ages 18–55 · Male/Female
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Pays up to
$10,000
Research Study for Insomnia (S-41000)
Altasciences · Cypress, CA
Ages 18+ · Male/Female
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Pays up to
$8,950
Clinical Research Study for Healthy Males (N-40700)
Altasciences · Cypress, CA
Ages 18–59 · Male
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Pays up to
$6,400
Overweight / Obesity
CenExel · Anaheim, CA
Ages 18–65 · Male/Female
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Pays up to
$5,500
Memory Loss Study
CenExel · Sherman Oaks, CA
Ages 50–90 · Male/Female
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Pays up to
$2,800
Celiac Disease
CenExel · Anaheim, CA
Ages 18–70 · Male/Female
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Pays up to
$2,000
Hernia Repair – Inguinal (Groin Area)
CenExel · Anaheim, CA
Ages 18+ · Male/Female
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Pays up to
$1,725
Migraine Trials
CenExel · Sherman Oaks, CA
Ages 18+ · Male/Female
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Pays up to
$1,125
Social Anxiety Study
CenExel · Sherman Oaks, CA
Ages 18–65 · Male/Female
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Pays up to
$1,000
Major Depression Trials
CenExel · Sherman Oaks, CA
Ages 18–65 · Male/Female
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More recruiting studies (pay not posted)
- 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
- Gadsden, AL + 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
- Scottsdale, AZ + 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