There are currently 69 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 Neuropsychiatric Research Center of Orange County. 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 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 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
A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 2
Recruiting
The purpose of this study is to measure the safety and decrease in sleepiness in subjects with narcolepsy type 2 (NT2) when taking ALKS 2680 tablets compared to placebo tablets.
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
06/27/2025
Locations: Alkermes Investigator Site, Santa Ana, California
Conditions: Narcolepsy Type 2
A Master Protocol for Orforglipron (LY3502970) in Participants With Obesity or Overweight With and Without Type 2 Diabetes
Recruiting
The purpose of this Master Protocol is to support two studies to see how well and how safely orforglipron works compared to placebo in participants who have obesity or overweight with or without type 2 diabetes. Participants will be screened for about 4 weeks, after which they will enroll into either J2A-MC-GZP1, NCT06972459 (do not have type 2 diabetes) or J2A-MC-GZP2, NCT06972472 (have type 2 diabetes).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/24/2025
Locations: Southern California Clinical Research, Santa Ana, California
Conditions: Obesity, Overweight, Type 2 Diabetes
A Donanemab (LY3002813) Study in Participants With Preclinical Alzheimer's Disease (TRAILBLAZER-ALZ 3)
Recruiting
The main purpose of this study is to evaluate the safety and efficacy of donanemab in participants with preclinical Alzheimer's Disease (AD). Approximately 800 additional participants will be enrolled in a 12-month addendum to assess safety of a different titration regimen.
Gender:
ALL
Ages:
Between 65 years and 80 years
Trial Updated:
06/24/2025
Locations: Syrentis Clinical Research, Santa Ana, California
Conditions: Alzheimer Disease
Clinical Study of SNK01 in Participants With Moderate Alzheimer's Disease
Recruiting
The goal of this clinical trial is to test SNK01 in participants with moderate Alzheimer's Disease. The main questions it aims to answer are: 1. Is SNK01 safe and tolerable when administered every 3 weeks for up to 1 year as an intravenous infusion 2. Can SNK01 administration improve cognitive assessment scores and biomarkers
Gender:
ALL
Ages:
Between 40 years and 85 years
Trial Updated:
06/16/2025
Locations: Syrentis Clinical Research, Santa Ana, California
Conditions: Moderate Alzheimer Disease
ReNEW:Phase 3 Study of Efficacy, Safety & Pharmacokinetics of Subcutaneous Injections of Elamipretide in Subjects With Dry Age-Related Macular Degeneration (Dry AMD)
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)
A Study to Evaluate the Efficacy and Safety of Pegozafermin in Participants With Compensated Cirrhosis Due to MASH
Recruiting
The study will assess the efficacy and safety of pegozafermin administered in participants with compensated cirrhosis due to MASH (biopsy-confirmed fibrosis stage F4 MASH \[previously known as nonalcoholic steatohepatitis, NASH\]).
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/04/2025
Locations: 89bio Clinical Study Site, Santa Ana, California
Conditions: Metabolic Dysfunction-Associated Steatohepatitis (MASH) / Nonalcoholic Steatohepatitis (NASH) With Compensated Cirrhosis
A Study to Evaluate VXA-CoV2-3.3 COVID-19 Vaccine Against Currently Approved/Authorized mRNA COVID-19 Injectable Booster Vaccine in Adults Previously Immunized Against COVID-19 Infection
Recruiting
The primary objective of the study is to determine the relative efficacy of the investigational oral severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) vaccine tablet VXA-CoV2-3.3 compared to a currently recommended vaccine for the prevention of symptomatic Coronavirus Disease 2019 (COVID-19). In order to represent a more recently circulating SARS-CoV-2 variant, the main study endpoints will now evaluate the VXA-CoV2-3.3 (KP.2 strain) vaccine, and not the VXA-CoV2-3.1 (XBB.1.5 strain)... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/03/2025
Locations: Velocity Clinical Research - Gardena, Santa Ana, California
Conditions: SARS-CoV2, COVID-19
Empowering Hispanic Patients' Lung Cancer Screening Uptake (Empower Latinx)
Recruiting
The Hispanic/Latinx community (hereafter Hispanic) is the country's second-largest racial/ethnic group, accounting for 19.1% of the total population. However, they remain one of the most underserved populations with suboptimal access to healthcare and screening services due to low income, lack of health insurance, perceived discrimination, language barriers, and limited health literacy. Lung cancer is the leading cause of cancer related mortality with 1.8 million annual deaths worldwide, with Hi... Read More
Gender:
ALL
Ages:
Between 50 years and 80 years
Trial Updated:
05/21/2025
Locations: UCI Health Family Health Center - Santa Ana, Santa Ana, California
Conditions: Lung Cancer
A Study of TAK-360 in Adults With Narcolepsy Without Cataplexy (NT2)
Recruiting
Narcolepsy without cataplexy or Narcolepsy Type 2 (NT2) is a lifelong condition that makes people very sleepy during the day, regardless of how much sleep they get at night. People with NT2 may fall asleep suddenly, have trouble staying awake during the day, or may not be able to sleep well at night. They may have difficulty thinking clearly, paying attention, or remembering things, during the day. These symptoms can make daily activities like driving, working, or caring for their families chall... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
05/15/2025
Locations: Takeda Site 10, Santa Ana, California
Conditions: Narcolepsy Type 2
Allopregnanolone Regenerative Therapeutic for Mild Alzheimer's Disease
Recruiting
A phase 2, double-blind, randomized, placebo-controlled clinical trial to evaluate the safety and efficacy of Allopregnanolone as a regenerative therapeutic for Alzheimer's disease.
Gender:
ALL
Ages:
Between 55 years and 80 years
Trial Updated:
05/06/2025
Locations: Syrentis Clinical Research, Santa Ana, California
Conditions: Alzheimer Dementia, Late Onset Alzheimer Disease, Neurodegenerative Diseases