Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
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
Showing the 40 largest recruiting trials by target enrollment in Colorado. Use the search field to focus on a condition or drug.
The Pediatric Anesthesia Quality Improvement Project
The Society for Pediatric Anesthesia
NCT00674388
Maternal Newborn Health Registry
NICHD Global Network for Women's and Children's Health
NCT01073475
Connect for Cancer Prevention Study (Connect)
National Cancer Institute (NCI)
NCT04609072
Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs
Children's Hospital of Philadelphia
NCT02493478
US National OCS Heart Perfusion (OHP) Registry
TransMedics
NCT05915299
Product Surveillance Registry
Medtronic
NCT01524276
Epilepsy Learning Healthcare System (ELHS)
Epilepsy Foundation of America
NCT06265103
DS-Connect®: The Down Syndrome Registry
University of Colorado, Denver
NCT01950624
International Weight Control Registry
Tufts University
NCT04907396
A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs)
Center for International Blood and Marrow Transplant Research
NCT01351545
TrialNet Pathway to Prevention of T1D
University of South Florida
NCT00097292
Direct-to-patient Teledermatology and Computer-assisted Diagnosis
VA Office of Research and Development
NCT05128006
RSSearch Patient Registry-Long Term Study of Use of SRS/SBRT
The Radiosurgery Society
NCT01885299
SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry
Massive Bio
NCT03452774
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
NCT01120353
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
CHDI Foundation
NCT01574053
MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles
Agendia
NCT03053193
A Study to Evaluate the Efficacy and Safety of mRNA-1283 and mRNA-1273 in Participants 50 to 64 Years of Age Without High-Risk Conditions for Severe Coronavirus Disease 2019 (COVID-19)
ModernaTX
NCT07266558
Parkinson's Foundation PD GENEration Genetic Registry
Parkinson's Foundation
NCT04994015
The Vanguard Study: Testing a New Way to Screen for Cancer
National Cancer Institute (NCI)
NCT06995898
Development and Testing of a Pediatric Cervical Spine Injury Risk Assessment Tool
Julie Leonard
NCT05049330
Observational Study of Pediatric Rheumatic Diseases: The CARRA Registry
Duke University
NCT02418442
Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products
Medtronic
NCT00271180
Adolescent Outcomes of Post-operative Opioid EXposure
Sharon Levy
NCT06350409
A Lifetime Partnership With Patients Who Have or May be at Risk of Having Cancer
University of Colorado, Denver
NCT03617939
Exactech Shoulder Post Market Clinical Follow-up Study
Exactech
NCT05603728
A Longitudinal Observational Study of Patients With Nonalcoholic Steatohepatitis (NASH) and Related Conditions Across the Entire Spectrum of Nonalcoholic Fatty Liver Disease (NAFLD)
Target PharmaSolutions
NCT02815891
Patient Retrospective Outcomes (PRO)
Boston Scientific Corporation
NCT01550575
Real-world Experience of Catheter Ablation for the Treatment of Paroxysmal and Persistent Atrial Fibrillation
Heart Rhythm Clinical and Research Solutions
NCT04088071
Multi-Center Registry for Peripheral Arterial Disease Interventions and Outcomes
Baylor Research Institute
NCT01904851
Assessing the Impact of Muvalaplin on Major Cardiovascular Events in Adults With Elevated Lipoprotein(a)
Eli Lilly and Company
NCT07157774
Comprehensive HHT Outcomes Registry of the United States (CHORUS)
Cure HHT
NCT06259292
Tracking Results of Ablations to Combat AF Registry Generation 2
AtriCure
NCT05111015
Colonoscopy vs Stool Testing for Older Adults With Colon Polyps
Dartmouth-Hitchcock Medical Center
NCT05612347
Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY
Massachusetts General Hospital
NCT04916210
MYLUNG Consortium Part 3: Observational Study
US Oncology Research
NCT05885698
Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes
VA Office of Research and Development
NCT02915198
Quality of Pediatric Resuscitation in a Multicenter Collaborative
Children's Hospital of Philadelphia
NCT02708134
Pediatric Dose Optimization for Seizures in Emergency Medical Services
Stanford University
NCT05121324
Early Intervention to Promote Cardiovascular Health of Mothers and Children
JHSPH Center for Clinical Trials
NCT06272045
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.