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)
- RecruitingPhase 2
A Single-Dose Study to Evaluate Safety and Efficacy of CS-1103 in Participants Receiving a Single Dose of Methamphetamine
Clear Scientific, Inc.
- Location
- Glendale, CA
- Eligibility basics
- Ages 18–55
- Recruiting
Safety and Efficacy of Endovascular Treatment of Intracranial Aneurysms With Surpass Elite With GUARDian Flow Diverter (GUARD)
Stryker Neurovascular
- Location
- Tucson, AZ + 19 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
Efficacy and Safety of VER-01 in the Treatment of Participants With Chronic Painful Lumbosacral Radiculopathy
Vertanical GmbH
- Location
- Mobile, AL + 22 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of JNT-517 in Participants With Phenylketonuria (PKU)
Otsuka Pharmaceutical Development & Commercialization, Inc.
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Ages 4+
- RecruitingPhase 2
Safety in Adult Participants With Atrial Fibrillation Who Are Treated With Anticoagulation
Regeneron Pharmaceuticals
- Location
- Dothan, AL + 41 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
An Induction Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Crohn's Disease
Sanofi
- Location
- Peoria, AZ + 126 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 3
CLEOPATTRA: A Research Study to Look at the Effects of Treatment With a Medicine Called Coramitug (NNC6019-0001) in People With Heart Failure Due to Transthyretin Amyloid (ATTR) Amyloidosis
Novo Nordisk A/S
- Location
- Phoenix, AZ + 58 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus (RSV) Who Are at High Risk of Progression to Severe Disease
Shionogi
- Location
- Los Angeles, CA + 35 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Sarilumab Efficacy and Safety in Adults With Early Polymyalgia Rheumatica
Sanofi
- Location
- Avondale, AZ + 46 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 3
A Study of Orelabrutinib in Patients With Secondary Progressive Multiple Sclerosis
Zenas BioPharma (USA), LLC
- Location
- Phoenix, AZ + 24 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingPhase 3
INTREPID: A Study of Sapablursen Evaluating the Safety and Efficacy in Participants With Polycythemia Vera (PV)
Ono Pharmaceutical Co., Ltd.
- Location
- Orange, CA + 11 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Phase 3 Study of Rezpegaldesleukin (NKTR-358) for Patients ≥ 12 Years of Age With Moderate-to-Severe Atopic Dermatitis
Nektar Therapeutics
- Location
- Phoenix, AZ + 18 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 2/Phase 3
A Study Investigating Oral Ozanimod (RPC1063) in Pediatric Participants With Moderate to Severe Active Ulcerative Colitis
Bristol-Myers Squibb
- Location
- Loma Linda, CA + 11 other US sites
- Eligibility basics
- Ages 2–17
- RecruitingPhase 2
Rhu-pGSN for Acute Respiratory Distress Syndrome (ARDS)
BioAegis Therapeutics Inc.
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Clinical Study of Molnupiravir to Prevent Severe Illness From Coronavirus Disease 2019 (COVID-19) in People Who Are High Risk (MK-4482-023)
Merck Sharp & Dohme LLC
- Location
- Paradise Valley, AZ + 54 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata
Pfizer
- Location
- Birmingham, AL + 28 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of KarXT for the Treatment of Manic Episodes in Bipolar-I Disorder (BALSAM-2)
Bristol-Myers Squibb
- Location
- Little Rock, AR + 20 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
AGENT DCB STANCE: Safety and Effectiveness Study of AGENT Drug-Coated Balloon Compared to Standard of Care Percutaneous Coronary Intervention (PCI) Treatment for de Novo Coronary Lesions
Boston Scientific Corporation
- Location
- Scottsdale, AZ + 46 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Clinical Study of MK-2214 in People With Early Alzheimer's Disease (MK-2214-004)
Merck Sharp & Dohme LLC
- Location
- Irvine, CA + 34 other US sites
- Eligibility basics
- Ages 50–85
- RecruitingPhase 3
A Study of Orelabrutinib in Patients With Primary Progressive Multiple Sclerosis
Zenas BioPharma (USA), LLC
- Location
- Pheonix, AZ + 18 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingPhase 3
Phase 3, Open-label, Single-dose Study of CSL222 in Adolescent Male Subjects (≥ 12 to < 18 Years of Age) With Severe or Moderately Severe Hemophilia B
CSL Behring
- Location
- Orange, CA + 5 other US sites
- Eligibility basics
- Ages 11–17 · Men only
- RecruitingPhase 3
A Study to Investigate the Efficacy, Safety, and Pharmacokinetics of Oral Rilzabrutinib Compared With Placebo in Participants 18 Years of Age and Older With Warm Autoimmune Hemolytic Anemia
Sanofi
- Location
- Phoenix, AZ + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A 52-week Study of Rilzabrutinib Efficacy and Safety Compared to Placebo in Adults Diagnosed With IgG4-related Disease
Sanofi
- Location
- Fontana, CA + 20 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Dose-masked Study of Intravitreal Remigromig (EYE103) in Participants With NVAMD or Macular Edema Following BRVO
EyeBiotech Ltd.
- Location
- Scottsdale, AZ + 54 other US sites
- Eligibility basics
- Ages 18+