There are currently 67 clinical trials in Santa Ana, California looking for participants to engage in research studies. Trials are conducted at various facilities, including Syrentis Clinical Research, GSK Investigational Site, Apex Research Institute and Orange County Retina Medical Group. Whether you're a healthy volunteer looking to participate in paid medical research or seeking trials related to a specific condition, the city provides a diverse range of opportunities near you.
A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration(nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)
NCT04853251
Recruiting
This study will assess corneal endothelial cells in participants with nAMD treated with PDS refilled every 24 weeks (Q24W).
Gender:
ALL
Ages:
50 years and above
Trial Updated:
06/12/2025
Locations: Orange County Retina Med Group, Santa Ana, California
Conditions: Neovascular Age-related Macular Degeneration
Register for Updates
Extension Study for the Port Delivery System With Ranibizumab (Portal)
NCT03683251
Recruiting
This study will evaluate the long-term safety and tolerability of the Port Delivery System with ranibizumab (PDS) (100 mg/mL) in participants with neovascular age-related macular degeneration (nAMD) who have either completed Phase II Study GX28228 (Ladder), Phase III Study GR40548 (Archway), Phase IIIb Study WR42221 (Velodrome), or completed Week 24 visit in Study WR42221 but were not eligible to be randomized in WR42221.
Gender:
ALL
Ages:
50 years and above
Trial Updated:
06/12/2025
Locations: Orange County Retina Med Group, Santa Ana, California
Conditions: Neovascular Age-Related Macular Degeneration
Register for Updates
A Prospective, Multi-center, Randomized Controlled Blinded Trial Demonstrating the Safety and Effectiveness of VNS Therapy® System as Adjunctive Therapy Versus a No Stimulation Control in Subjects With Treatment-Resistant Depression
NCT03887715
Recruiting
Objectives of this study are to determine whether active VNS Therapy treatment is superior to a no stimulation control in producing a reduction in baseline depressive symptom severity, based on multiple depression scale assessment tools at 12 months from randomization.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/12/2025
Locations: Syrentis Clinical Research, Santa Ana, California
Conditions: Treatment Resistant Depression
Register for Updates
Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With TRD
NCT05711940
Recruiting
Efficacy, Safety, and Tolerability of two administrations of COMP360 in participants with treatment-resistant depression (TRD)
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/11/2025
Locations: Syrentis Clinical Research, Santa Ana, California
Conditions: Treatment Resistant Depression
Register for Updates
Long-term Safety and Efficacy of ESK-001 in Moderate to Severe Plaque Psoriasis
NCT06846541
Recruiting
The objective of the ESK-001-018 long term extension is to evaluate the safety and efficacy of ESK-001 over time. The scientific questions it aims to answer are: * How safe is taking ESK-001 long-term in people with moderate to severe plaque psoriasis? * Does taking ESK-001 long-term reduce the severity of people's plaque psoriasis? Patients will enter the long-term extension study following completion of one of the parent studies (ESK-001-016 or ESK-001-017) and will receive open-label ESK-00... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/10/2025
Locations: Southern California Clinical Research, Santa Ana, California
Conditions: Plaque Psoriasis, Psoriasis (PsO), Psoriasis, Moderate Psoriasis, Severe Psoriasis
Register for Updates
Study to evaLuate the effIcacy and Safety of abeLacimab in High-risk Patients With Atrial Fibrillation Who Have Been Deemed Unsuitable for Oral antiCoagulation (LILAC-TIMI 76)
NCT05712200
Recruiting
A study to evaluate the effect of abelacimab relative to placebo on the rate of ischemic stroke or systemic embolism (SE) in patients with Atrial Fibrillation (AF) who have been deemed by their responsible physicians or by their own decision to be unsuitable for oral anticoagulation therapy.
Gender:
ALL
Ages:
65 years and above
Trial Updated:
06/10/2025
Locations: Anthos Investigative Site 1076, Santa Ana, California
Conditions: Atrial Fibrillation (AF)
Register for Updates
A Study to Evaluate the Treatment Response and Safety of Two Dose Regimens of Subcutaneous Amlitelimab Compared With Treatment Withdrawal in Participants Aged 12 Years and Older With Moderate-to-severe Atopic Dermatitis
NCT06407934
Recruiting
This is a multinational, multicenter, randomized, double-blind, placebo-controlled, parallel, Phase 3 study for treatment of participants aged 12 years and older diagnosed with moderate-to-severe atopic dermatitis (AD). The main objective of this study is to evaluate if those participants who received amlitelimab dose 1 in the parent studies (EFC17559 \[COAST-1\], EFC17560 \[COAST 2\], EFC17561 \[SHORE\]) and were responders can maintain their response either remaining at dose 1 or switching to... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/09/2025
Locations: Southern California Dermatology- Site Number : 8401043, Santa Ana, California
Conditions: Dermatitis Atopic
Register for Updates
Study to Assess the Effects of Oral NMRA-335140 Versus Placebo in Participants With Major Depressive Disorder
NCT06058013
Recruiting
This is a randomized, double-blind, placebo-controlled, multicenter study to evaluate the effects of NMRA-335140 (formerly BTRX-335140) on symptoms of depression in participants with Major Depressive Disorder (MDD). The study design consists of a Screening Period (up to 28 days), and a 6-week Treatment Period (during which participants will receive either NMRA-335140 or placebo). At the completion of the 6-week Treatment Period, participants who complete the study, provide informed consent, and... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/06/2025
Locations: Neumora Investigator Site, Santa Ana, California
Conditions: Major Depressive Disorder
Register for Updates
Study to Assess the Safety and Effectiveness of NMRA-335140-501
NCT06029439
Recruiting
This is a 52-week open-label extension (OLE) study that will evaluate the safety, tolerability, and effectiveness of NMRA-335140 in participants with major depressive disorder (MDD). Participants who completed a parent study investigating the efficacy and safety of NMRA-335140 as a treatment for MDD (ie, NMRA-335140-301, NMRA-335140-302, or NMRA-335140-303), and complete the 6 weeks double-blind treatment, provide informed consent, and meet eligibility criteria, may enter this extension study.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/06/2025
Locations: Neumora Investigator Site, Santa Ana, California
Conditions: Major Depressive Disorder
Register for Updates
Pivotal 2 Study of RGX-314 Gene Therapy in Participants With nAMD
NCT05407636
Recruiting
ABBV-RGX-314 (also known as RGX-314) is being developed as a novel one-time gene therapy for the treatment of neovascular (wet) age-related macular degeneration (wet AMD). Wet AMD is characterized by loss of vision due to new, leaky blood vessel formation in the retina. Wet AMD is a significant cause of vision loss in the United States, Europe and Japan, with up to 2 million people living with wet AMD in these geographies alone. Current anti-vascular endothelial growth factor (VEGF) therapies ha... Read More
Gender:
ALL
Ages:
Between 50 years and 89 years
Trial Updated:
06/05/2025
Locations: Orange County Retina Medical Group, Santa Ana, California
Conditions: AMD, nAMD, Wet Age-related Macular Degeneration, wAMD, WetAMD, CNV
Register for Updates
ReNEW:Phase 3 Study of Efficacy, Safety & Pharmacokinetics of Subcutaneous Injections of Elamipretide in Subjects With Dry Age-Related Macular Degeneration (Dry AMD)
NCT06373731
Recruiting
The goal of this clinical trial is to evaluate the efficacy, safety and pharmacokinetics of elamipretide in subjects with dry age-related macular degeneration (AMD). The main questions it aims to answer are: what is the rate of change in the macular area of photoreceptor loss in subjects who receive a daily dose of elamipretide compared with those who receive a look-alike substance that contains no active drug, and what is the safety and tolerability of elamipretide daily subcutaneous injections... Read More
Gender:
ALL
Ages:
55 years and above
Trial Updated:
06/05/2025
Locations: Orange County Retinal Medical Group, Santa Ana, California
Conditions: Age Related Macular Degeneration (ARMD)
Register for Updates
A Study of TAK-360 in Adults With Idiopathic Hypersomnia
NCT06812078
Recruiting
Idiopathic Hypersomnia (IH) is a condition where people feel extremely sleepy during the day, especially in the morning, even if they sleep a lot at night. They may have trouble waking up in the morning, no matter how much they sleep (sometimes more than 11 hours per day), and they can't help feeling tired, even after taking daytime naps. Because of this sleepiness, they may have trouble focusing, thinking clearly, or keeping up with daily activities. They may also have symptoms like dizziness o... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
06/04/2025
Locations: Takeda Site 10, Santa Ana, California
Conditions: Idiopathic Hypersomnia
Register for Updates