As of August 2026, 41 paid clinical trials are recruiting in Oak Brook, Illinois. 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.
Oak Brook offers studies at sites including Northwestern Medicine Oak Brook for conditions such as Anatomic Stage II Breast Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, 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 Oak Brook, IL at 10 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 |
|---|---|---|
| Northwestern Medicine Oak Brook | Anatomic Stage II Breast Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8 | 33 |
| AMR Chicago | Acne | 1 |
| Alliance For Multispecialty Research - Oak Brook | Atherosclerotic Cardiovascular Disease, Obesity, Overweight | 1 |
| Clinical Trial Site | High Cardiovascular Risk, High Risk Cardiovascular Disease, Hypertension | 1 |
| Genesis Orthopedics & Sports Medicine | Osteoarthritis, Knee | 1 |
| Northwestern University Oak Brook IL453 | Castration-Sensitive Prostate Carcinoma, Metastatic Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8 | 1 |
| Oak Brook Surg Ctr | Lumbar Spinal Stenosis | 1 |
| Rush Oak Brook Outpatient Center | Total Knee Arthroplasty | 1 |
| Rush Oak Brook Surgery Center | Lumbar Spinal Stenosis | 1 |
| Vanda Investigative Site | Hypertension, Uncontrolled Hypertension | 1 |
Recruiting trials in Oak Brook grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 41 recruiting clinical trials in Oak Brook, Illinois listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Oak Brook 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 Oak Brook include Anatomic Stage II Breast Cancer AJCC v8 (5), Stage IV Lung Cancer AJCC v8 (4), Anatomic Stage IIIA Breast Cancer AJCC v8 (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 Oak Brook 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 Oak Brook include Northwestern Medicine Oak Brook, AMR Chicago, Alliance For Multispecialty Research - Oak Brook, 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 Oak Brook are Cancer & tumors (32), Cardiovascular (2), Mental health & behavior (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.