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ClinicalTrials.gov 364 recruiting now official registry

Clinical trials in Oklahoma

Every US clinical trial with a study site in Oklahoma - recruiting status, phase mix, and the conditions and sponsors driving research in the state, from the NIH ClinicalTrials.gov registry.

Oklahoma has 1,061 registered US clinical trials with a study site in-state, 364 of them currently recruiting (above the 14% national average by 20 percentage points). 191 of these trials are in Phase 3 (late-stage) and 261 in Phase 2. The most frequently studied condition in Oklahoma is Ovarian Cancer, with 33 linked trials.

The state picture

Oklahoma has 1,061 registered clinical trials with sites in-state, 364 of them open to new participants right now, about 34% of the state's indexed portfolio.

364
recruiting participants now
34%
of in-state trials open to enrollment
191
in Phase 3 (late-stage)
33
top condition: Ovarian Cancer

Counts include every study with at least one recorded site in the state, from the public ClinicalTrials.gov registry. Reference information, not medical advice.

Phase 2261NA231Phase 1208Phase 3191Phase 459Early Phase 17
Completed484Recruiting364Active213
Treemap Treemap of 15 categories, sized proportional to value. Ovarian Cancer - 33 Ovarian Cancer 33 Non-Small Cell Lung Cancer - 21 Non-Small Cell Lung… 21 Endometrial Cancer - 21 Endometrial Ca… 21 Asthma - 20 Asthma 20 Breast Cancer - 19 Breast Cancer 19 Prostate Cancer - 17 Prostate Can… 17 Systemic Lupus Erythematosus - 16 Systemic Lupus Erythem… 16 Colorectal Cancer - 14 Colorectal Cancer 14 Cervical Cancer - 14 Cervical Canc… 14 Rheumatoid Arthritis - 14 Rheumatoid Ar… 14 Solid Tumor - 14 Solid Tumor 14 Obesity - 13 Obesity 13 Fallopian Tube Cancer - 11 Fallopian Tube Cancer 11 Multiple Sclerosis - 11 Multiple Sclerosis 11 Advanced Solid Tumor - 11 Advanced Solid Tumor 11

By Status

StatusTrial count
Completed 484
Recruiting 364
Active 213

By Phase

PhaseTrial count
Phase 2 261
NA 231
Phase 1 208
Phase 3 191
Phase 4 59
Early Phase 1 7

Reading the Clinical Trial Landscape in Oklahoma

ClinicalTrials.gov lists 1,061 clinical trials with study locations in Oklahoma. Of those, 364 are currently recruiting, roughly 34% of the state's indexed portfolio, above the 14% national average by 20 percentage points, which is a rough but useful proxy for how much research activity is presently open to new participants relative to the rest of the country. The largest status group for Oklahoma is "Completed" with 484 entries, which sets the overall tone of the registry footprint in this geography. These counts are drawn from the public registry maintained by the National Library of Medicine and are reflected here exactly as indexed; they include every study with at least one site recorded in Oklahoma, regardless of sponsor type.

The phase distribution shown above breaks the same trials down by where they sit along the investigational pathway. For Oklahoma, Phase 3 accounts for 191 indexed trials and Phase 2 accounts for 261. Phase 2 studies typically evaluate early efficacy and refine dosing, while Phase 3 studies run larger and are usually closer to regulatory submission, so a state with a strong Phase 3 count often reflects established research centers working on late-stage programs, while a heavier Phase 1 and Phase 2 weighting can indicate concentrations of academic medical centers and early-stage investigator networks. Phase markers come directly from the sponsor-reported registry field and are not transformed on this site.

The most frequently indexed condition for Oklahoma is Ovarian Cancer with 33 linked trials, across 15 top condition areas surfaced above. On the sponsor side, University of Oklahoma leads with 136 studies tied to Oklahoma, with 9 additional organizations in the visible top list. Together, these breakdowns give a quick sense of which conditions and organizations drive trial activity in Oklahoma, but they do not describe treatment availability, local clinic capacity, or the chance of being matched to any specific study. All numbers come from ClinicalTrials.gov and should be used for reference only, verify current status and eligibility directly on ClinicalTrials.gov, and always discuss clinical trial participation with a qualified healthcare provider before making any decision.

What this means if you're in Oklahoma

364 trials in Oklahoma are open to new participants, here's how to act on that.

A trial is counted here when it lists at least one in-state site; always confirm eligibility and current status on ClinicalTrials.gov.

States With a Similar Recruiting Share

The closest states nationwide to Oklahoma's 34% of trials currently recruiting.

Source: ClinicalTrials.gov, the US trial registry maintained by the National Library of Medicine, part of the NIH. See our methodology for how this data is sourced and computed.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered clinical trial within this state, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.