Medical Information Only. Consult your healthcare provider before enrolling in any clinical trial.
Mississippi: below-average open trial sites
137 of 500 in-state trials are recruiting (27%); below the 37% national average by 10 percentage points.
According to ClinicalTrials.gov-derived indexes, Mississippi sits in the lower half of US states by in-state trial count (#41 of 52 states by registered in-state trial count).
Mississippi: 500 US clinical trials with in-state sites, 137 recruiting.
Mississippi has 500 registered US clinical trials with a study site in-state, 137 of them currently recruiting (below the 37% national average by 10 percentage points). 150 of these trials are in Phase 3 (late-stage) and 111 in Phase 2. The most frequently studied condition in Mississippi is Hypertension, with 11 linked trials.
Thin-volume Mississippi archive
Mississippi open-enrollment share is 27% (p14 of states with sites; national baseline 37%). Treat this page as a compact local index (thin-volume · low-open), then jump to recruiting trials or methodology rather than expecting hub-scale coverage.
Below-average open enrollment
Mississippi still shows 137 recruiting of 500 in-state trials (27% open), but below the 37% national average by 10 percentage points, so archived statuses weigh heavier than the national baseline.
- 27%
- open (below national share)
- 137
- still recruiting despite cool share
- 111
- Phase 2 rows in this footprint
- 11
- top: Hypertension
Recruiting share is below the 37% national average by 10 percentage points. Counts include every study with at least one recorded site in the state. Registry reference only, not medical advice.
Mississippi 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)
500 Top 79% more indexed trials than 21% 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 Mississippi 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.
-
Mississippi open-enrollment share sits below the national baseline.
137 of 500 in-state trials (27.4%) are recruiting, against 37% nationally (-9.6 percentage points). Counts include every study with at least one recorded site in the state.
-
Jackson dominates Mississippi's trial geography.
Jackson lists 257 of 500 in-state trials (51.4%) across 90 named facilities. Cities need five or more listed trials to appear here; locations are as filed by sponsors.
-
Hypertension is the most-studied condition in Mississippi.
11 of 500 in-state trials (2.2%) list Hypertension. That is a local concentration figure, not a national disease ranking.
-
Mississippi sponsorship is fragmented across many organizations.
University of Mississippi Medical Center appears on 25 of 500 in-state trials (5%). Sponsor identity is as filed on ClinicalTrials.gov.
-
248 Mississippi trials carry a completed status.
248 of 500 (49.6%) are completed. The open share above is the remainder that still lists recruiting.
By Status
| Status | Trial count |
|---|---|
| Completed | 248 |
| Recruiting | 137 |
| Active | 115 |
By Phase
| Phase | Trial count |
|---|---|
| Phase 3 | 150 |
| NA | 112 |
| Phase 2 | 111 |
| Phase 1 | 31 |
| Phase 4 | 25 |
| Early Phase 1 | 1 |
Top Conditions
Top Sponsors
Where trials run in Mississippi
Jackson carries 257 of Mississippi's 500 indexed trials (51%) across 90 named sites, ahead of Hattiesburg at 50. 8 cities clear five listed trials, together naming 215 distinct sites.
| City | Trials | Listed sites |
|---|---|---|
| Jackson | 257 | 90 |
| Hattiesburg | 50 | 31 |
| Tupelo | 47 | 22 |
| Flowood | 43 | 28 |
| Madison | 17 | 9 |
| Gulfport | 16 | 13 |
| Southaven | 15 | 12 |
| Ridgeland | 13 | 10 |
Distinct trials and named sites per city, as filed with ClinicalTrials.gov; cities under five trials omitted. Vintage 2026-08-08.
Open-share low
Mississippi open-enrollment share is 27% (p14 of states with sites; national baseline 37%).
Mississippi: open share sits in the low tercile of states
Sites spread across 8 cities with five or more listed trials, led by Jackson (257, 51% of the state total) and Hattiesburg (50), together naming 215 distinct research locations.
Phase mix: 150 Phase 3 vs 111 Phase 2 (balanced across stages).
Top condition: Hypertension (11 trials); top sponsor University of Mississippi Medical Center (25).
thin-volume · low-open figures (500 trials · 27% open) describe registry geography under the open-share low read, not clinic capacity or protocol fit. Confirm status on ClinicalTrials.gov before acting.
States near Mississippi on open-enrollment share
Cross-state peers under the open-share low read (thin-volume · low-open), not the same-state browse list.
Similar thin-volume peers (± open share)
- Alaska · 485 trials · 25% recruiting
- New Hampshire · 471 trials · 33% recruiting
- Hawaii · 437 trials · 26% recruiting
- New Mexico · 579 trials · 29% recruiting
- Delaware · 652 trials · 33% recruiting