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)
- Recruiting
SELUTION4BTK Trial
M.A. Med Alliance S.A.
- Location
- Chandler, AZ + 24 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
Centessa Pharmaceuticals (UK) Limited
- Location
- Auburn, AL + 26 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
Cardiac RADIoablation Versus Repeat Catheter Ablation: a Pivotal Randomized Clinical Trial Evaluating Safety and Efficacy for Patients With High-risk Refractory Ventricular Tachycardia (RADIATE-VT)
Varian, a Siemens Healthineers Company
- Location
- Los Angeles, CA + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Research Study on How Well Different Doses of the Medicine UBT251 Help People Living With Overweight or Obesity
Novo Nordisk A/S
- Location
- Cypress, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2
Study to Evaluate Sotatercept (MK-7962) in Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-008)
Merck Sharp & Dohme LLC
- Location
- Los Angeles, CA + 8 other US sites
- Eligibility basics
- Ages 1–17
- RecruitingPhase 2
A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
Centessa Pharmaceuticals (UK) Limited
- Location
- Auburn, AL + 18 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
The EMPOWER Trial - The Carillon Mitral Contour System® in Treating Heart Failure With FMR
Cardiac Dimensions, Inc.
- Location
- Gilbert, AZ + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of RLS-0071 in Newborns With Moderate or Severe Hypoxic-Ischemic Encephalopathy Undergoing Therapeutic Hypothermia
ReAlta Life Sciences, Inc.
- Location
- Little Rock, AR + 13 other US sites
- Eligibility basics
- Any age listed
- RecruitingPhase 3
MAGNITUDE: A Phase 3 Study of NTLA-2001 in Participants With Transthyretin Amyloidosis With Cardiomyopathy (ATTR-CM)
Intellia Therapeutics
- Location
- Tucson, AZ + 36 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingPhase 3
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Biomed Industries, Inc.
- Location
- Phoenix, AZ + 13 other US sites
- Eligibility basics
- Ages 5–20 · Women only
- RecruitingPhase 2
Double-blind, Placebo-controlled Study in Adults With Major Depressive Disorder
Supernus Pharmaceuticals, Inc.
- Location
- Garden Grove, CA
- Eligibility basics
- Ages 18–70
- Recruiting
Post Marketing Study of MagnetOs Easypack Putty Standalone Compared to Demineralized Bone Matrix or Fibers Mixed With Autograft in Patients Undergoing Posterolateral Lumbar Fusion
Kuros Biosurgery AG
- Location
- Irvine, CA + 5 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
XVIVO Heart Box (XHB) With Supplemented XVIVO Heart Solution (SXHS) Continued Access Protocol (CAP)
XVIVO Perfusion
- Location
- La Jolla, CA + 13 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Efficacy of Fusidic Acid 1% in the Treatment of Bacterial Conjunctivitis
Baxis Pharmaceuticals, Inc.
- Location
- Little Rock, AR + 20 other US sites
- Eligibility basics
- Any age listed
- Recruiting
EvaluatioN of Optilume Drug-Coated Balloon for the Endoscopic Treatment of UREteric Strictures
Urotronic Inc.
- Location
- Orange, CA + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
NBI-1117568-SCZ3029: Evaluation of NBI-1117568 in Inpatient Adults With Schizophrenia
Neurocrine Biosciences
- Location
- Bryant, AR + 20 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2/Phase 3
A Study of TAK-861 for the Treatment of Selected Central Hypersomnia Conditions
Takeda
- Location
- Birmingham, AL + 18 other US sites
- Eligibility basics
- Ages 16–70
- RecruitingPhase 3
Study to Learn About the Safety of Fazirsiran and if it Can Help People With Alpha-1 Antitrypsin Liver Disease With Mild Liver Scarring (Fibrosis)
Takeda
- Location
- Phoenix, AZ + 19 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 2
A Study to Evaluate Efficacy and Safety of Light Dose in Subjects With PWB Treated With Hemoporfin PDT
Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd.
- Location
- Irvine, CA + 4 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Trial of Etelcalcetide in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Amgen
- Location
- Los Angeles, CA + 4 other US sites
- Eligibility basics
- Ages 0 mo–18
- RecruitingPhase 1/Phase 2
A Study Comparing KB801 Verse Placebo in Patients With Stage 2 or 3 Neurotrophic Keratitis
Krystal Biotech, Inc.
- Location
- Pasadena, CA + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Evaluation of the Safety and Efficacy of GLK-321 in Subjects With Demodex Blepharitis
Glaukos Corporation
- Location
- Newport Beach, CA
- Eligibility basics
- Ages 18+
- Recruiting
A Randomized, Triple-blind, Placebo-controlled Study to Evaluate the Effects of a Supplement on Nutrient Gaps and Gut Health Among Individuals Utilizing GLP-1 RAs
Athletic Greens International
- Location
- Santa Monica, CA
- Eligibility basics
- Ages 18–59
- RecruitingPhase 3
Extracellular Vesicle Treatment for Acute Respiratory Distress Syndrome (ARDS) (EXTINGUISH ARDS)
Direct Biologics, LLC
- Location
- Phoenix, AZ + 30 other US sites
- Eligibility basics
- Ages 18–75