As of July 2026, 48 paid clinical trials are recruiting in Garden Grove, California. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.
Garden Grove offers studies at sites including National Institute of Clinical Research for conditions such as Schizophrenia, Major Depressive Disorder (MDD), Ulcerative Colitis, Bipolar I Disorder. Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
Posted to ClinicalTrials.gov within the last 60 days — these studies are just starting to recruit.
Researchers run research studies in Garden Grove, CA at 25 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.
| Site | Specializes in | Active trials |
|---|---|---|
| National Institute of Clinical Research | Alzheimer's Disease, End Stage Kidney Disease, MASH - Metabolic Dysfunction-Associated Steatohepatitis | 5 |
| Collaborative Neuroscience Research, LLC | Bipolar Disorder Type I With Mania, Generalized Anxiety Disorder, Negative Symptoms of Schizophrenia | 4 |
| Neurocrine Clinical Site | Schizophrenia, Bipolar I Disorder, Mania | 4 |
| CenExel | Bipolar I Disorder, Schizophrenia, Treatment Resistant Depression | 3 |
| Collaborative Neuroscience Research - Garden Grove | Bipolar I Disorder, Bipolar II Disorder, Schizophrenia | 3 |
| CenExel CNS - Garden Grove | Schizophrenia, Schizophrenia Disorders | 2 |
| Seaport Investigator Site | Major Depressive Disorder (MDD), Major Depressive Disorder With Anxious Distress | 2 |
| Valley View Internal Medicine | Moderately to Severely Active Crohns Disease, Moderately to Severely Active Ulcerative Colitis | 2 |
| Aligos Investigational Site | Chronic Hepatitis B Infection | 1 |
| Bausch Health | Ulcerative Colitis | 1 |
| CNS Network | Schizophrenia | 1 |
| Collaborative Neuroscience Network | Major Depressive Disorder (MDD) | 1 |
| GSK Investigational Site | Irritable Bowel Syndrome | 1 |
| Local Institution - 0037 | Schizophrenia | 1 |
| NICRs Research Center | Hypertension (HTN) | 1 |
| National Institute of Clinical Research - Garden Grove | Autosomal Dominant Polycystic Kidney Disease | 1 |
| National Institute of Clinical Research, Inc. | End Stage Kidney Disease | 1 |
| Orange County Ophthalmology | Dry Eye Disease (DED) | 1 |
| Orange County Vascular Access Center | Arteriovenous Fistula, Catheter Complications, Catheter Dysfunction | 1 |
| Paragon Rx Clinical | Body Weight, Nutrition Disorders, Nutritional and Metabolic Diseases | 1 |
| Research | Hypertriglyceridemia | 1 |
| Reviva site | Schizophrenia | 1 |
| St. Jude Medical Center | End Stage Kidney Disease | 1 |
| VVCRD Research | Ulcerative Colitis | 1 |
| Valley View Research | Ulcerative Colitis, Ulcerative Colitis Chronic | 1 |
Recruiting trials in Garden Grove grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 48 recruiting clinical trials in Garden Grove, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Garden Grove compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
The most common conditions under active study in Garden Grove include Schizophrenia (12), Major Depressive Disorder (MDD) (4), Ulcerative Colitis (4), Bipolar I Disorder (3), among many others. Browse the list above to explore every recruiting trial.
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Garden Grove on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Recruiting research sites in Garden Grove include National Institute of Clinical Research, Collaborative Neuroscience Research, LLC, Neurocrine Clinical Site, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
The largest active categories in Garden Grove are Mental health & behavior (21), Diabetes & metabolic (2), HIV / STI (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.