Browse by Condition in Fullerton
Lung Cancer
13 trials recruiting
Breast Cancer
8 trials recruiting
Rheumatoid Arthritis
6 trials recruiting
Ankylosing Spondylitis
5 trials recruiting
Heart Attack
5 trials recruiting
Advanced Solid Tumors
4 trials recruiting
Essential Tremor
3 trials recruiting
Multiple Myeloma
3 trials recruiting
Sjogrens Syndrome
3 trials recruiting
Prostate Cancer
3 trials recruiting
Multiple Sclerosis
2 trials recruiting
Alzheimers Disease
2 trials recruiting
COVID-19
2 trials recruiting
Pancreatic Cancer
1 trial recruiting
Stroke
1 trial recruiting
Bladder Cancer
1 trial recruiting
Melanoma
1 trial recruiting
Colorectal Cancer
1 trial recruiting
Thyroid Disease
1 trial recruiting
Stomach Cancer
1 trial recruiting
Uveitis
1 trial recruiting
Gallbladder Cancer
1 trial recruiting
Myasthenia Gravis
1 trial recruiting
Lymphoma
1 trial recruiting
Prurigo Nodularis
1 trial recruiting
Interstitial Cystitis
1 trial recruiting
Ovarian Cancer
1 trial recruiting
Pulmonary Embolism
1 trial recruiting
About Clinical Trials in Fullerton, CA
Fullerton, CA is home to 76 actively recruiting clinical trials across 28 medical conditions as of 2026. The most active research areas include lung cancer, breast cancer, rheumatoid arthritis. Clinical trials offer free access to new treatments and expert medical care. Participation is always voluntary, and you can withdraw at any time.