Location · Orange, CA
Clinical trials in Orange, CA
139 recruiting studies have a site in Orange, and 18 of them accept healthy volunteers.
139 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- 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 volunteers
A Randomized Comparison of Stage-Based Care Versus Risk Factor-Based Care for Prevention of Cardiovascular Events
Cleerly, Inc.
- Location
- Orange, CA + 121 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor
Peerbridge Health, Inc
- Location
- Orange, CA + 7 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Study of Student Flourishing
Flourish Science, Inc.
- Location
- Orange, CA + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Acute Partial Thickness Burn Study Comparing Transforming Powder Dressing to Standard of Care Dressing
ULURU Inc.
- Location
- Orange, CA + 5 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
TG Therapeutics, Inc.
- Location
- Orange, CA + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Study Evaluating the Efficacy and Safety of Pegozafermin in Participants With MASH and Fibrosis (ENLIGHTEN-Fibrosis)
Hoffmann-La Roche
- Location
- Orange, CA + 121 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)
Merck Sharp & Dohme LLC
- Location
- Orange, CA + 70 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 3
A Study of Mezagitamab in Adults With Kidney Condition Called IgA Nephropathy
Takeda
- Location
- Orange, CA + 42 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study to Learn About the Effects of Felzartamab Infusions in Adults With Kidney Transplants Who Have Late Isolated Microvascular Inflammation
Biogen
- Location
- Orange, CA + 24 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 3
A Phase 3 Trial of DT120 for Major Depressive Disorder (Ascend)
Definium Therapeutics US, Inc.
- Location
- Orange, CA + 22 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 3
A Study to Evaluate the Maintenance Effect of Osavampator as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
Neurocrine Biosciences
- Location
- Orange, CA + 19 other US sites
- Eligibility basics
- Ages 18+
- 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
- Orange, CA + 58 other US sites
- Eligibility basics
- Ages 18+
- 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
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 Test the Efficacy and Safety of Riliprubart Against the Usual Treatment of Intravenous Immunoglobulin (IVIg) in People With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Sanofi
- Location
- Orange, CA + 31 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1/Phase 2
RESET-MG: A Study to Evaluate the Safety and Efficacy of CABA-201 in Participants With Generalized Myasthenia Gravis
Cabaletta Bio
- Location
- Orange, CA + 16 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 2
A Study to Evaluate the Efficacy and Safety of Frexalimab, Brivekimig, or Rilzabrutinib in Participants Aged 16 to 75 Years With Primary Focal Segmental Glomerulosclerosis or Minimal Change Disease
Sanofi
- Location
- Orange, CA + 16 other US sites
- Eligibility basics
- Ages 16–75
- RecruitingPhase 3
Phase 3 Study of LUM-201 in Children With Growth Hormone Deficiency
Lumos Pharma
- Location
- Orange, CA + 30 other US sites
- Eligibility basics
- Ages 3–11
- RecruitingPhase 3
An Open Label Clinical Study to Evaluate Tanruprubart (Also Commonly Known as ANX005) in Participants With Guillain-Barré Syndrome (FORWARD Study)
Annexon, Inc.
- Location
- Orange, CA + 19 other US sites
- Eligibility basics
- Ages 8–85
- RecruitingPhase 4
A Study to Evaluate the Effect of KarXT on Urological Safety
Bristol-Myers Squibb
- Location
- Orange, CA + 12 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Study to Investigate the Efficacy and Safety of Fitusiran Prophylaxis in Male Participants Aged 1 to Less Than 12 Years With Hemophilia A or B
Sanofi
- Location
- Orange, CA + 9 other US sites
- Eligibility basics
- Ages 1–11 · Men only
- RecruitingPhase 4
A Study of Zunveyl on Safety, Tolerability, Neuropsychiatric Symptoms, and Caregiver Distress in Alzheimer's Disease (RESOLVE)
Alpha Cognition, Inc
- Location
- Orange, CA + 21 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 3
A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder
Cybin IRL Limited
- Location
- Orange, CA + 27 other US sites
- Eligibility basics
- Ages 18–85