As of August 2026, 31 paid clinical trials are recruiting in San Mateo, 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.
San Mateo offers studies at sites including Mills Health Center for conditions such as Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Breast Cancer, Recurrent Lung Non-Small 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: .
Researchers run research studies in San Mateo, CA at 14 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 |
|---|---|---|
| Mills Health Center | Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Recurrent Lung Non-Small Cell Carcinoma | 21 |
| Carbon Health - San Mateo - Hillsdale Mall | Clostridioides Difficile Associated Disease | 1 |
| Dorothy Schneider Cancer Center | Colonic Diseases, Colorectal Neoplasms, Digestive System Diseases | 1 |
| Evidation Health | Substance Use Disorder (SUD) | 1 |
| Hoyman Hong | Lumbar Spinal Stenosis | 1 |
| Mills Health Ctr | Lumbar Spinal Stenosis | 1 |
| Mills-Peninsula Medical Center - San Mateo Campus | Diabetes, Diabetes Mellitus, Type 1 Diabetes, Diabetes Mellitus, Type 2 | 1 |
| Mills-Peninsula Medical Center: Diabetes Research Institute | Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus | 1 |
| Palo Alto Medical Foundation - San Mateo Care Center | Colonic Diseases, Colorectal Neoplasms, Digestive System Diseases | 1 |
| Palo Alto Medical Foundation Research Center | Breast Cancer | 1 |
| Research at Mills-Peninsula Medical Center - Sutter Health | Hypothyroidism | 1 |
| San Mateo Surgery Center | Lumbar Spinal Stenosis | 1 |
| Sutter Health | DCIS, Ductal Breast Carcinoma In Situ, Stage 0 Breast Cancer | 1 |
| UCSF Cancer Center San Mateo | Breast Cancer | 1 |
Recruiting trials in San Mateo grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 31 recruiting clinical trials in San Mateo, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in San Mateo 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 San Mateo include Anatomic Stage II Breast Cancer AJCC v8 (4), Anatomic Stage IIIA Breast Cancer AJCC v8 (3), Breast Cancer (3), Recurrent Lung Non-Small Cell Carcinoma (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 San Mateo 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 San Mateo include Mills Health Center, Carbon Health - San Mateo - Hillsdale Mall, Dorothy Schneider Cancer 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 San Mateo are Cancer & tumors (23), Diabetes & metabolic (3), Mental health & behavior (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.