Paid Clinical Trials in Fullerton, CA
As of July 2026, 93 paid clinical trials are recruiting in Fullerton, 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.
Fullerton offers studies at sites including Providence Medical Foundation for conditions such as Advanced Solid Tumor, Carcinoma, Non-Small-Cell Lung, Breast Neoplasms, Esophageal Squamous Cell Carcinoma. 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: .
Trials by specialty in Fullerton
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Researchers run research studies in Fullerton, 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 |
|---|---|---|
| Providence Medical Foundation | Advanced Solid Tumor, Esophageal Squamous Cell Carcinoma, Carcinoma, Non-Small Cell Lung | 28 |
| Providence St. Jude Medical Center | Advanced Breast Cancer, Advanced Ovarian Cancer, Advanced Solid Tumor | 7 |
| Neurology Center of North Orange County | AD, Agitation, Alzheimer Disease | 5 |
| Retina Consultants of Orange County | Diabetic Macular Edema (DME), AMD, DME | 5 |
| Fullerton Neuro and Headache Ctr | Generalized Myasthenia Gravis, Secondary Progressive Multiple Sclerosis (SPMS) | 3 |
| Marshall B. Ketchum University | Amblyopia, Dry Eye Disease (DED), Myopia | 3 |
| Providence Saint Jude Medical Center | Extensive Stage Small-cell Lung Cancer, Metastatic Castration-resistant Prostate Cancer, Prostate Cancer | 3 |
| Providence - St. Jude Medical Center | Hypothyroidism, Multiple Myeloma, Non Small Cell Lung Carcinoma | 3 |
| Fullerton Neurology and Headache Center | Alzheimer's Disease, Secondary Progressive Multiple Sclerosis | 2 |
| Southern California College of Optometry at Marshall B. Ketchum University | Intermittent Exotropia, Myopia | 2 |
| St. Jude Medical Center | Atrial Fibrillation, Central Line Associated Blood Stream Infections (CLABSI), Intracerebral Hemorrhage | 2 |
| Providence Medical Foundation-Oncology | Breast Neoplasms, Diffuse Large B-Cell Lymphoma | 2 |
| Adverum Clinical | Neovascular Age-Related Macular Degeneration (nAMD), Wet AMD | 1 |
| Alliance Surgery Center, Inc | Lumbar Spinal Stenosis | 1 |
| Clinical Research Providence Medical Foundation | Small Cell Lung Cancer | 1 |
| Crosson Cancer Institute at Providence St. Jude Medical Center in Fullerton | Metastatic Pancreatic Adenocarcinoma, Metastatic Pancreatic Cancer, Pancreatic Cancer | 1 |
| Davita Fullerton Dialysis Center | End Stage Kidney Disease | 1 |
| Fullerton Neurological Center - Neurology | Chronic Migraine, Episodic Migraine | 1 |
| GSK Investigational Site | Systemic Lupus Erythematosus | 1 |
| Laguna Surgery Center | Lumbar Spinal Stenosis | 1 |
| Local Institution - 0162 | Urothelial Cancer | 1 |
| Local Institution - 0504 | Non-Small Cell Lung Cancer | 1 |
| Local Institution - 0581 | Carcinoma, Non-Small-Cell Lung | 1 |
| National Institute of Clinical Research, Inc. | End Stage Kidney Disease | 1 |
| Pa0019 119 | Axial Spondyloarthritis, Psoriatic Arthritis | 1 |
Active & Upcoming Studies in Fullerton (2026)
Recruiting trials in Fullerton grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
Cancer & tumors (49 active studies)
- Study of Izalontamab Brengitecan (BMS-986507) in Combination With Osimertinib Versus Osimertinib Monotherapy or Osimertinib in Combination With Platinum-based Chemotherapy for EGFRmt Non-small Cell Lung Cancer (IZABRIGHT-Lung02) · Phase 3 · Bristol-Myers Squibb
- IGNITE: Study of Tirabrutinib vs Rituximab/Temozolomide for Relapsed/Refractory Primary Central Nervous System Lymphoma (PCNSL) · Phase 3 · Ono Pharmaceutical Co., Ltd.
Eye & vision (7 active studies)
- Efficacy and Safety Study of Ixoberogene Soroparvovec (Ixo-vec) in Participants With Neovascular Age-related Macular Degeneration (AQUARIUS) · Phase 3 · Adverum Biotechnologies, Inc.
- The Effects of 3% Trehalose Ophthalmic Solution on Corneal Epithelial Barrier Function · Phase 4 · Southern California College of Optometry at Marshall B. Ketchum University
Neurology & pain (5 active studies)
- A Study of Orelabrutinib in Patients With Secondary Progressive Multiple Sclerosis · Phase 3 · Zenas BioPharma (USA), LLC
- A Study to Evaluate the Efficacy and Safety of Remibrutinib in Secondary Progressive Multiple Sclerosis · Phase 3 · Novartis Pharmaceuticals
Cardiovascular (2 active studies)
- A Phase III Renal Outcomes and Cardiovascular Mortality Study to Investigate the Efficacy and Safety of Baxdrostat in Combination With Dapagliflozin in Participants With Chronic Kidney Disease and High Blood Pressure · Phase 3 · AstraZeneca
- Anticoagulation in ICH Survivors for Stroke Prevention and Recovery · Phase 3 · Yale University
Diabetes & metabolic (1 active study)
- AMAZE 9: A Research Study Investigating How Well Zenagamtide Tablets Help People With Excess Body Weight Lose Weight · Phase 3 · Novo Nordisk A/S
Common conditions studied in Fullerton
- Advanced Solid Tumor (4 active studies)
- Carcinoma, Non-Small-Cell Lung (4 active studies)
- Breast Neoplasms (3 active studies)
- Esophageal Squamous Cell Carcinoma (3 active studies)
- Non-Small Cell Lung Cancer (3 active studies)
- Amblyopia (2 active studies)
Leading research sponsors in Fullerton
- Merck Sharp & Dohme LLC
- Janssen Research & Development, LLC
- AbbVie
- Amgen
- AstraZeneca
Frequently asked questions
How many paid clinical trials are currently recruiting in Fullerton?
There are approximately 93 recruiting clinical trials in Fullerton, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Do clinical trials in Fullerton pay participants?
Most recruiting trials in Fullerton 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.
Who can participate in a clinical trial in Fullerton?
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.
What conditions are most commonly studied in Fullerton?
The most common conditions under active study in Fullerton include Advanced Solid Tumor (4), Carcinoma, Non-Small-Cell Lung (4), Breast Neoplasms (3), Esophageal Squamous Cell Carcinoma (3), among many others. Browse the list above to explore every recruiting trial.
Are there clinical trials for healthy volunteers in Fullerton?
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Fullerton on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
How do I enroll in a clinical trial in Fullerton?
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.
Where can I take part in paid clinical trials in Fullerton?
Recruiting research sites in Fullerton include Providence Medical Foundation, Providence St. Jude Medical Center, Neurology Center of North Orange County, 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.
What kinds of studies are recruiting in Fullerton right now?
The largest active categories in Fullerton are Cancer & tumors (49), Eye & vision (7), Neurology & pain (5). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.