Medical Information Only. Consult your healthcare provider before enrolling in any clinical trial.
Kansas: below-average open trial sites
606 of 2,080 in-state trials are recruiting (29%); below the 37% national average by 8 percentage points.
According to ClinicalTrials.gov-derived indexes, Kansas sits in the lower half of US states by in-state trial count (#27 of 52 states by registered in-state trial count).
Kansas: 2,080 US clinical trials with in-state sites, 606 recruiting.
Kansas has 2,080 registered US clinical trials with a study site in-state, 606 of them currently recruiting (below the 37% national average by 8 percentage points). 532 of these trials are in Phase 3 (late-stage) and 518 in Phase 2. The most frequently studied condition in Kansas is Healthy, with 37 linked trials.
Lower-half Kansas archive
Kansas's in-state trials target 925 patients on average (p14 by trial size among 52 states with enrollment data), smaller studies than most states. Treat this page as a compact local index (mid-volume · low-open), then jump to recruiting trials or methodology rather than expecting hub-scale coverage.
Below-average open enrollment
Kansas still shows 606 recruiting of 2,080 in-state trials (29% open), but below the 37% national average by 8 percentage points, so archived statuses weigh heavier than the national baseline.
- 29%
- open (below national share)
- 606
- still recruiting despite cool share
- 518
- Phase 2 rows in this footprint
- 37
- top: Healthy
Recruiting share is below the 37% national average by 8 percentage points. Counts include every study with at least one recorded site in the state. Registry reference only, not medical advice.
Kansas vs all states by indexed in-state trial count
Where this state's ClinicalTrials.gov site count sits among every state with at least one listed trial (coverage density, not care quality)
2,080 Top 52% more indexed trials than 48% of 52 states
States, banded by indexed in-state trial count
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov · 2026-08-08
Key findings
What ClinicalTrials.gov does not surface for Kansas on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Kansas open-enrollment share sits below the national baseline.
606 of 2,080 in-state trials (29.1%) are recruiting, against 37% nationally (-7.9 percentage points). Counts include every study with at least one recorded site in the state.
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Kansas trial sites spread across 8 city hubs.
Kansas City lists 877 of 2,080 in-state trials (42.2%) across 213 named facilities. Cities need five or more listed trials to appear here; locations are as filed by sponsors.
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Healthy is the most-studied condition in Kansas.
37 of 2,080 in-state trials (1.8%) list Healthy. That is a local concentration figure, not a national disease ranking.
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Kansas sponsorship is fragmented across many organizations.
University of Kansas Medical Center appears on 160 of 2,080 in-state trials (7.7%). Sponsor identity is as filed on ClinicalTrials.gov.
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967 Kansas trials carry a completed status.
967 of 2,080 (46.5%) are completed. The open share above is the remainder that still lists recruiting.
By Status
| Status | Trial count |
|---|---|
| Completed | 967 |
| Recruiting | 606 |
| Active | 507 |
By Phase
| Phase | Trial count |
|---|---|
| Phase 3 | 532 |
| Phase 2 | 518 |
| Phase 1 | 389 |
| NA | 341 |
| Phase 4 | 70 |
| Early Phase 1 | 7 |
Top Conditions
Top Sponsors
Where trials run in Kansas
Kansas City carries 877 of Kansas's 2,080 indexed trials (42%) across 213 named sites, ahead of Overland Park at 343. 8 cities clear five listed trials, together naming 776 distinct sites.
| City | Trials | Listed sites |
|---|---|---|
| Kansas City | 877 | 213 |
| Overland Park | 343 | 170 |
| Wichita | 329 | 153 |
| Westwood | 226 | 58 |
| Fairway | 144 | 50 |
| Lenexa | 114 | 63 |
| Topeka | 99 | 53 |
| Pittsburg | 55 | 16 |
Distinct trials and named sites per city, as filed with ClinicalTrials.gov; cities under five trials omitted. Vintage 2026-08-08.
Trial size small
Kansas's in-state trials target 925 patients on average (p14 by trial size among 52 states with enrollment data), smaller studies than most states.
Kansas: in-state trial volume sits mid-pack
Sites spread across 8 cities with five or more listed trials, led by Kansas City (877, 42% of the state total) and Overland Park (343), together naming 776 distinct research locations.
Phase mix: 532 Phase 3 vs 518 Phase 2 (balanced across stages).
Top condition: Healthy (37 trials); top sponsor University of Kansas Medical Center (160).
mid-volume · low-open figures (2,080 trials · 29% open) describe registry geography under the trial size small read, not clinic capacity or protocol fit. Confirm status on ClinicalTrials.gov before acting.
States near Kansas on in-state trial volume
Cross-state peers under the trial size small read (mid-volume · low-open), not the same-state browse list.
Similar mid-volume peers (± open share)
- Oregon · 1,999 trials · 34% recruiting
- Kentucky · 2,183 trials · 32% recruiting
- Louisiana · 1,936 trials · 28% recruiting
- District of Columbia · 2,316 trials · 31% recruiting
- Wisconsin · 1,760 trials · 37% recruiting
Similar low-open peers (± trial volume)
- New Mexico · 29% recruiting · 579 trials
- Indiana · 29% recruiting · 3,113 trials
- Alabama · 29% recruiting · 4,168 trials
- Nebraska · 29% recruiting · 1,301 trials
- Arkansas · 28% recruiting · 2,376 trials