As of October 2026, 1 paid clinical trial is testing Tamoxifen in Walnut Creek, California. Trials typically compensate participants for time, travel, and study visits, and many also provide study-related medical care at no cost.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
Researchers run research studies in Walnut Creek, 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 |
|---|---|---|
| Kaiser Permanente-Walnut Creek | Breast Cancer, Lung Non-Small Cell Carcinoma, Stage IIIB Lung Cancer AJCC v8 | 35 |
| Sunwise Clinical Research | Alzheimer Disease, Acute Migraine, Acute Treatment of Migraine | 17 |
| Diablo Clinical Research, Inc. | Obesity, Overweight, Clostridoides Difficile Associated Disease | 16 |
| Diablo Clinical Research | Obesity, Overweight, Type 1 Diabetes Mellitus | 9 |
| John Muir Medical Center-Walnut Creek | Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Ann Arbor Stage I Lymphoma | 7 |
| John Muir Health | Acute Stroke, Aneurysmal Subarachnoid Hemorrhage (aSAH), Barotrauma | 6 |
| Bay Area Retina Associates | Age - Related Macular Degeneration (AMD), Geographic Atrophy, Geographic Atrophy (GA) | 5 |
| Kaiser Permanente Walnut Creek Medical Center | Antibiotic Stewardship, Carcinoma, Non-Small-Cell Lung, Chronic Lymphocytic Leukemia | 5 |
| BASS Cancer Center | Carcinoma, Non-Small-Cell Lung, Drug-Related Side Effects and Adverse Reactions, Nausea | 4 |
| John Muir Health Cancer Center | Non-Small Cell Lung Cancer Metastatic, Non-Small Cell Lung Carcinoma, Non-small Cell Carcinoma | 4 |
| ADARx Clinical Site | HAE, Hereditary Angioedema - Type 1, Hereditary Angioedema - Type 2 | 3 |
| BASS Medical Group - Lennon | Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8 | 3 |
| Bay Area Retina Associates - Walnut Creek | Diabetic Macular Edema, Diabetic Macular Edema (DME), Geographic Atrophy Secondary to Age-related Macular Degeneration | 3 |
| Diablo Clinical Research, LLC dba Flourish Research | COVID-19 Vaccines, Obesity, Overweight | 3 |
| GSK Investigational Site | Chickenpox, Influenza, Human, Measles | 3 |
| Clinical Trial Site | Breast Cancer, ER Positive Breast Cancer, HER2 Negative Breast Carcinoma | 2 |
| Epic Care Cyberknife Center | Acral Lentiginous Melanoma, Anatomic Stage IV Breast Cancer AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8 | 2 |
| John Muir Health Clinical Research Center | Carcinoma, Non-Small-Cell Lung, Non-Small Cell Lung Cancer Metastatic, Non-Small Cell Lung Carcinoma | 2 |
| John Muir Medical Center - Walnut Creek Campus | Basal Ganglia Intracerebral Hemorrhage, Non-Small Cell Lung Cancer Metastatic, Non-Small Cell Lung Carcinoma | 2 |
| Kaiser Permanente - Walnut Creek Medical Center | Advanced Solid Tumors, Cutaneous Melanoma, Stage II, Lymphoma, Non-Hodgkin | 2 |
| Kaiser Permanente Walnut Creek | Breast Neoplasms, Clostridoides Difficile Associated Disease, Neoplasm Metastasis | 2 |
| Sunwise Clinical Research, LLC - Walnut Creek - IVY - PPDS | Psychosis Associated With Alzheimer's Disease | 2 |
| Sunwise Clinical Research, Llc | Depression, Major Depressive Disorder (MDD), Major Depressive Episode (MDE) | 2 |
| University of California, Davis | Alzheimer Disease, Alzheimer's Disease (AD), Dementia | 2 |
| Vanda Investigational Site | Major Depressive Disorder (MDD), Schizophrenia | 2 |
Recruiting trials in Walnut Creek grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 188 recruiting clinical trials in Walnut Creek, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Walnut Creek 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 Walnut Creek include Obesity (13), Overweight (12), Alzheimer Disease (6), Migraine (5), 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 Walnut Creek 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 Walnut Creek include Kaiser Permanente-Walnut Creek, Sunwise Clinical Research, Diablo Clinical Research, Inc., 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 Walnut Creek are Cancer & tumors (62), Diabetes & metabolic (28), Neurology & pain (19). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.