As of August 2026, 75 paid clinical trials are recruiting in Ames, Iowa. 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.
Ames offers studies at sites including McFarland Clinic - Ames for conditions such as Stage IVB Prostate Cancer AJCC v8, Lung Non-Small Cell Carcinoma, Stage IV Lung Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v8. 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 Ames, IA at 11 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 |
|---|---|---|
| McFarland Clinic - Ames | Stage IVB Prostate Cancer AJCC v8, Lung Non-Small Cell Carcinoma, Stage IV Lung Cancer AJCC v8 | 56 |
| Mary Greeley Medical Center | Lung Non-Small Cell Carcinoma, Stage IV Lung Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v8 | 54 |
| Accellacare - McFarland | Clostridioides Difficile Associated Disease, Healthy, RSV Infection | 3 |
| Iowa State University | Diabetes Mellitus Type 2, Healthy Volunteers, Immunization | 3 |
| McFarland Clinic, PC | Clostridioides Difficile Associated Disease, Healthy, RSV Infection | 3 |
| Accellacare - McFarland Clinic | Migraine, Acne | 3 |
| Accellacare of McFarland | Breast Cancer, Carcinoma, Non-Small-Cell Lung, HER2-positive Breast Cancer | 2 |
| McFarland Clinic | Extensive-stage Small-cell Lung Cancer, Focal Epilepsy | 2 |
| McFarland Clinic PC | Atherosclerotic Cardiovascular Disease, Chronic Spontaneous Urticaria (CSU), Obesity | 2 |
| Ames Surgery Center | Lumbar Spinal Stenosis | 1 |
| GSK Investigational Site | Irritable Bowel Syndrome | 1 |
Recruiting trials in Ames grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 75 recruiting clinical trials in Ames, Iowa listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Ames 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 Ames include Stage IVB Prostate Cancer AJCC v8 (5), Lung Non-Small Cell Carcinoma (4), Stage IV Lung Cancer AJCC v8 (4), Stage IV Renal Cell Cancer AJCC v8 (4), 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 Ames 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 Ames include McFarland Clinic - Ames, Mary Greeley Medical Center, Accellacare - McFarland, 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 Ames are Cancer & tumors (58), Diabetes & metabolic (3), Neurology & pain (3). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.