Clinical Trials in Wisconsin
Wisconsin ranks #32 nationally by clinical-trial count, with 130 trials listed, all currently recruiting.
Among trials with a recorded phase, Phase 2 is the largest group at 25 trials.
The top conditions by trial volume are Multiple Sclerosis (4), Gastric Cancer (3), Lung Cancer (3).
130
Total Trials
130
Recruiting
#32
National Rank
20
Conditions
Trials by Phase
63
Not Applicable
13
Phase 1 / Phase 2
9
Phase 1
25
Phase 2
15
Phase 3
5
Phase 4
Top Conditions in Wisconsin
Top Sponsors in Wisconsin
Cities With Most Trials in Wisconsin
| # | City | Trials |
|---|---|---|
| 1 | Madison | 56 |
| 2 | Milwaukee | 55 |
| 3 | Greenfield | 6 |
| 4 | Kenosha | 3 |
| 5 | La Crosse | 3 |
| 6 | Marshfield | 2 |
| 7 | Oconomowoc | 2 |
| 8 | Delafield | 1 |
| 9 | Wauwatosa | 1 |
| 10 | New Berlin | 1 |
| 11 | Waukesha | 1 |
| 12 | Green Bay | 1 |
| 13 | Neenah | 1 |
| 14 | Mequon | 1 |
| 15 | Racine | 1 |
Important: This information is for research purposes only. Always talk to your doctor about whether a clinical trial is right for you.
Frequently Asked Questions
Wisconsin currently has 130 clinical trials actively recruiting participants, making it #32 nationally by total trial count.
The most-studied conditions in Wisconsin are Multiple Sclerosis (4 trials), Gastric Cancer (3 trials), Lung Cancer (3 trials).
Browse the conditions listed on this page to find trials recruiting in Wisconsin. Each condition page shows trial details, eligibility criteria in plain English, and contact information. Always talk to your doctor about whether a trial is right for you.
Trial counts reflect currently recruiting studies listed on ClinicalTrials.gov with locations in this state.
Source: ClinicalTrials.gov, 2026.