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ClinicalTrials.gov 24,857 recruiting now free trial finder

Find a clinical trial that's recruiting now

Search 24,857 actively recruiting US clinical trials by condition, drug, or state, each entry links straight to its NIH ClinicalTrials.gov record so you can check eligibility and contact the study team.

24,857
trials recruiting now
14%
of all US trials open to enrollment
52
states with recruiting sites

A trial is listed as recruiting when its sponsor has marked it open to new participants on the public registry. Type a condition or drug name (for example, "breast cancer" or "pembrolizumab") to narrow the list, and add a state to find studies with a site near you. Results are ordered with the most relevant recruiting studies first; each card shows the study phase and enrollment target, and opens the full record, including eligibility criteria and contact details, on ClinicalTrials.gov.

Popular conditions

Breast CancerHealthyObesityProstate CancerDepressionCancerHIV InfectionsHypertension

Showing a first set of 12 of 24,857 recruiting trials, ordered by target enrollment. Search by condition or drug, then add a state, to find a relevant study faster.

Recruiting 20,000,000 participants

IRIS Registry: Intelligent Research in Sight Registry

American Academy of Ophthalmology

NCT02485847
Recruiting 10,040,000 participants

A Study Of Deep Learning For Echo Analysis, Tracking, And Evaluation

Mayo Clinic

NCT07308704
Recruiting NA 10,000,000 participants

The Effects of Medicaid Policy Interventions on Racial Equity in Severe Maternal Morbidity

University of Pittsburgh

NCT05678699
Recruiting 8,000,000 participants

National Mammography Database

American College of Radiology

NCT01900821
Recruiting 5,000,000 participants

The Pediatric Anesthesia Quality Improvement Project

The Society for Pediatric Anesthesia

NCT00674388
Recruiting 3,892,063 participants

Get With the Guidelines-Stroke Registry

American Heart Association

NCT02693223
Recruiting 3,000,000 participants

Delivery Room Intervention and Evaluation Network

American Academy of Pediatrics

NCT06803498
Recruiting 2,000,000 participants

Helix Research Network

Helix

NCT06057181
Recruiting 2,000,000 participants

Observational Pharmaco-Epidemiology Research & Analysis

Epividian

NCT03813862
Recruiting 2,000,000 participants

Oura Blood Pressure Profile Study

Ouraring

NCT07267871
Recruiting 1,200,000 participants

The Million Anesthesia Cases Study (MACS) - a Cohort Study of Preoperative Fasting and Perioperative Outcomes

Massachusetts General Hospital

NCT07022951
Recruiting 1,000,000 participants

Parkinson's Foundation Surveys

Parkinson's Foundation

NCT05066763

Read our methodology - how recruiting status is sourced and refreshed from the public registry.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Recruiting status is reported by each study's sponsor and mirrored from the public registry. Always confirm current eligibility and status on ClinicalTrials.gov before contacting a study.

Verify with NIH →

Download the state trial statistics CSV cited on this page: clinicaltrials-gov-us-state-statistics.csv (ClinicalTrials.gov · CC0).