As of August 2026, 100 paid clinical trials are recruiting in Fountain Valley, 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.
Fountain Valley offers studies at sites including Ark Clinical Research - Fountain Valley for conditions such as Atopic Dermatitis, Plaque Psoriasis, Breast Cancer, Non-Small Cell Lung Cancer. 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 Fountain Valley, 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 |
|---|---|---|
| Ark Clinical Research - Fountain Valley | Atherosclerotic Cardiovascular Disease (ASCVD), Cortisol Excess, Elevated Lp(a) | 8 |
| First OC Dermatology | Atopic Dermatitis, Chronic Spontaneous Urticaria (CSU), Eczema | 8 |
| MemorialCare Orange Coast Medical Center | AMI, Advanced Non-Small Cell Lung Cancer, Carcinoma, Non-Small-Cell Lung | 6 |
| Ark Clinical Research | Body Weight, Diabetes Mellitus, Type 2, Nutrition Disorders | 5 |
| First OC Dermatology Research Inc | Chronic Spontaneous Urticaria, Hidradenitis Suppurativa, Overweight or Obesity | 3 |
| First OC Dermatology Research Inc. | Psoriatic Arthritis, Plaque Psoriasis | 3 |
| Orange Coast Memorial Medical Center | Non-Small Cell Lung Cancer (NSCLC), Prostate Cancer, Stage III Colon Cancer | 3 |
| 89bio Clinical Study Site | Metabolic Dysfunction-Associated Steatohepatitis (MASH) / Nonalcoholic Steatohepatitis (NASH) With Compensated Cirrhosis, Metabolic Dysfunction-Associated Steatotic Liver Disease (MASH) / Nonalcoholic Steatohepatitis (NASH) With Fibrosis | 2 |
| Los Angeles Cancer Network | Adenocarcinoma of Lung, Breast Cancer, Breast Neoplasms | 2 |
| Memorial Health Services | Atrial Fibrillation, Pediatric Migraine, Stroke, Ischemic | 2 |
| MemorialCare | Colorectal Cancer, Non-Small Cell Lung Cancer | 2 |
| Neurocrine Clinical Site | Tardive Dyskinesia, Bipolar Disorder, Major Depressive Disorder | 2 |
| Oruka Therapeutics Investigative Site | Plaque Psoriasis | 2 |
| The Parkinson's & Movement Disorder Institute | Parkinson Disease, Parkinson's Disease | 2 |
| Galderma Investigational | Prurigo Nodularis, Atopic Dermatitis | 2 |
| ACCOMPLISH-2 Research Site | Chronic Weight Management, Obesity, Overweight | 1 |
| ARK Clinical Research, LLC | Chikungunya Virus | 1 |
| Akero Clinical Study Site | MASH - Metabolic Dysfunction-Associated Steatohepatitis, NASH - Nonalcoholic Steatohepatitis | 1 |
| Central Recruiting Site | Chemotherapy Induced Neuropathic Pain, Chemotherapy Induced Pain, Chemotherapy Induced Pain Neuropathy | 1 |
| Clinical Study Site | Metastatic Colorectal Cancer (CRC) | 1 |
| Clinical Trial Site | Advanced Breast Cancer, Breast Cancer, ER Positive Breast Cancer | 1 |
| Compassionate Cancer Care Center | Non-small Cell Lung Cancer (NSCLC) | 1 |
| Compassionate Cancer Care Medical Group | Refractory Diffuse Large B-cell Lymphoma, Relapsed Diffuse Large B-cell Lymphoma | 1 |
| Compassionate Cancer Care Medical Group - Inc | Triple Negative Breast Cancer | 1 |
| Compassionate Care Research Group | Acute Myeloid Leukemia, Chronic Myelomonocytic Leukemia, Myelodysplastic Syndromes | 1 |
Recruiting trials in Fountain Valley grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 100 recruiting clinical trials in Fountain Valley, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Fountain Valley 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 Fountain Valley include Atopic Dermatitis (6), Plaque Psoriasis (5), Breast Cancer (4), Non-Small Cell Lung Cancer (4), 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 Fountain Valley 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 Fountain Valley include Ark Clinical Research - Fountain Valley, First OC Dermatology, MemorialCare Orange Coast Medical Center, 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 Fountain Valley are Cancer & tumors (34), Diabetes & metabolic (12), Neurology & pain (4). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.