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.
4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular Degeneration
Recruiting
A Phase 3, Randomized, Double-Masked, Active-Controlled Trial in Adults with Macular Neovascularization Secondary to Age-Related Macular Degeneration
Gender:
ALL
Ages:
50 years and above
Trial Updated:
07/15/2025
Locations: Orange County Retina Medical Group, Santa Ana, California
Conditions: Macular Neovascularization Secondary to Age-Related Macular Degeneration
Platform Study to Evaluate the Efficacy and Safety of Investigational Compound(s) in Patients With Moderate to Severe Atopic Dermatitis
Recruiting
This trial is designed to evaluate multiple compounds in participants with moderate to severe atopic dermatitis (AD).
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
07/15/2025
Locations: Novartis Investigative Site, Santa Ana, California
Conditions: Atopic Dermatitis
A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration(nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)
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:
07/14/2025
Locations: Orange County Retina Med Group, Santa Ana, California
Conditions: Neovascular Age-related Macular Degeneration
Extension Study for the Port Delivery System With Ranibizumab (Portal)
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:
07/11/2025
Locations: Orange County Retina Med Group, Santa Ana, California
Conditions: Neovascular Age-Related Macular Degeneration
Study to Assess the Effects of Oral NMRA-335140 Versus Placebo in Participants With Major Depressive Disorder
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:
07/11/2025
Locations: Neumora Investigator Site, Santa Ana, California
Conditions: Major Depressive Disorder
Study to Assess the Safety and Effectiveness of NMRA-335140-501
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:
07/11/2025
Locations: Neumora Investigator Site, Santa Ana, California
Conditions: Major Depressive Disorder
Disitamab Vedotin With Pembrolizumab vs Chemotherapy in Previously Untreated Urothelial Cancer Expressing HER2
Recruiting
This study will enroll participants with urothelial cancer (UC). UC can include cancer of the bladder, kidney, or the tubes that carry pee through the body (ureter, urethra). This study will try to find out if the drugs disitamab vedotin with pembrolizumab works better than platinum-containing chemotherapy to treat patients with UC. This study will also test what side effects happen when participants take these drugs together. A side effect is anything a drug does to the body besides treating th... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/10/2025
Locations: The Oncology Institute of Hope and Innovation, Santa Ana, California
Conditions: Urothelial Carcinoma
MILD® Percutaneous Image-Guided Lumbar Decompression: A Medicare Claims Study
Recruiting
This prospective longitudinal study will compare incidence rates of Medicare beneficiary surgical and minimally invasive intervention post index procedure, as well as harms associated with the MILD procedure, at 24 months post-treatment with MILD, tested against a control group of similar patients that have had a comparable procedure. This study will start with patients treated with a study procedure having an index date on or after January 1, 2017, and enrollment will continue until stopped by... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/09/2025
Locations: UCI Medical Center- Central Distribution Warehouse - Dyer, Santa Ana, California
Conditions: Lumbar Spinal Stenosis
A Study of 2 Doses of EYE103 Compared With Ranibizumab (0.5 mg) in Participants With DME
Recruiting
EYE-RES-103 is a randomized, double masked pivotal study to evaluate the efficacy and safety of 2 dose levels of EYE103 in comparison with the active control, ranibizumab, in patients with diabetic macular edema (DME). In the first year, all 3 treatment groups will be treated every 4 weeks with either EYE103 or ranibizumab. Beginning at Year 2, the frequency of treatment for participants will shift based on a personalized treatment interval algorithm. Approximately 960 participants will be ent... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/03/2025
Locations: Santa Ana, CA, Santa Ana, California +1 locations
Conditions: Diabetic Macular Edema (DME)
A Study Evaluating the Efficacy and Safety of Pegozafermin in Participants With MASH and Fibrosis (ENLIGHTEN-Fibrosis)
Recruiting
The study will assess the efficacy and safety of 2 dose regimens of pegozafermin for the treatment of liver fibrosis stage 2 or 3 in adult participants with MASH (previously known as nonalcoholic steatohepatitis \[NASH\]).
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
07/03/2025
Locations: 89bio Clinical Study Site, Santa Ana, California
Conditions: Metabolic Dysfunction-Associated Steatotic Liver Disease (MASH) / Nonalcoholic Steatohepatitis (NASH) With Fibrosis
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
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:
07/03/2025
Locations: Southern California Dermatology- Site Number : 8401043, Santa Ana, California
Conditions: Dermatitis Atopic
A Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide
Recruiting
The purpose of this study is to measure the change in hemoglobin A1c (HbA1c) with LY3457263 compared with placebo in participants with type 2 diabetes who are not at HbA1c goal when treated with a stable dose of semaglutide or tirzepatide. Participation in the study will last about 9 months.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/01/2025
Locations: Wolverine Clinical Trials, Santa Ana, California
Conditions: Type 2 Diabetes