As of September 2026, 64 paid clinical trials are recruiting in Modesto, 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.
Modesto offers studies at sites including Kaiser Permanente-Modesto for conditions such as Anatomic Stage II Breast Cancer AJCC v8, Lung Non-Small Cell Carcinoma, Anatomic Stage IIIA Breast Cancer AJCC v8, Breast 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 Modesto, CA at 23 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-Modesto | Breast Cancer, Acute Myeloid Leukemia, Advanced Esophageal Adenocarcinoma | 28 |
| Kaiser Permanente- Modesto MOB II | Lung Non-Small Cell Carcinoma, Stage IIIB Lung Cancer AJCC v8, Acute Myeloid Leukemia | 24 |
| Memorial Medical Center | Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma | 22 |
| Kaiser Permanente Modesto Medical Center | Antibiotic Stewardship, Heart Failure, Neonatal Sepsis, Late-Onset | 2 |
| ACCOMPLISH-1 Research Site | Chronic Weight Management, Obesity, Overweight | 1 |
| Central Valley Research | Respiratory Syncytial Virus Infections | 1 |
| Doctors Medical Center Modesto | Lumbar Spinal Stenosis | 1 |
| Doctors Medical Center Modesto, Modesto, CA | Atrial Fibrillation, Intracerebral Hemorrhage | 1 |
| ImmuniMet, LLC | Obesity, Overweight, Overweight and/or Obesity | 1 |
| Modesto Memorial Hospital | Lumbar Spinal Stenosis | 1 |
| Modesto, California | Branch Retinal Vein Occlusion (BRVO), Neovascular Age-Related Macular Degeneration (NVAMD) | 1 |
| Paradigm Clincial Research - Modesto | Diabetic Peripheral Neuropathic Pain | 1 |
| Paradigm Clinical Research | SpO2 | 1 |
| Paradigm Clinical Research - Modesto | Respiratory Syncytial Virus Infections | 1 |
| Paradigm Clinical Research - Modesto, CA | Migraine | 1 |
| Paradigm Clinical Research Centers, LLC | Hypothyroidism | 1 |
| Retinal Consultants Medical Group | Age-Related Macular Degeneration, Choroidal Neovascularization, Macular Degeneration | 1 |
| Retinal Consultants Medical Group Inc Modesto | Age-related Macular Degeneration (AMD), Geographic Atrophy (GA) | 1 |
| Retinal Consultants Medical Group, Inc | Macular Edema | 1 |
| Retinal Consultants Medical Group, Inc.-Sacramento, Greenback Lane, (RCA) | Neovascular Age-related Macular Degeneration, nAMD | 1 |
| Stanislaus Surgical Hospital | Lumbar Spinal Stenosis | 1 |
| Stockton Hematology Oncology Medical Group | Advanced Non-Small Cell Lung Cancer, Carcinoma, Non-Small-Cell Lung, Carcinoma, Non-Small-Cell Lung (NSCLC) | 1 |
| Sutter Valley Hospitals Modesto | Cancer | 1 |
Recruiting trials in Modesto grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 64 recruiting clinical trials in Modesto, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Modesto 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 Modesto include Anatomic Stage II Breast Cancer AJCC v8 (5), Lung Non-Small Cell Carcinoma (4), Anatomic Stage IIIA Breast Cancer AJCC v8 (3), Breast Cancer (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 Modesto 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 Modesto include Kaiser Permanente-Modesto, Kaiser Permanente- Modesto MOB II, Memorial 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 Modesto are Cancer & tumors (44), Eye & vision (5), Vaccines (2). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.