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 Maryland. Use the search field to focus on a condition or drug.
The Pediatric Anesthesia Quality Improvement Project
The Society for Pediatric Anesthesia
NCT00674388
The Oxford Risk Factors And Non-Invasive Imaging Study
University of Oxford
NCT05169333
Critical Health Assessment and Outcomes Score/Study
Johns Hopkins University
NCT02766166
Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs
Children's Hospital of Philadelphia
NCT02493478
Caris Biorepository Research Protocol
Caris Science
NCT01499394
Epilepsy Learning Healthcare System (ELHS)
Epilepsy Foundation of America
NCT06265103
Filgrastim-Mobilized Stem Cells for Transplantation Using Unrelated Donors
Center for International Blood and Marrow Transplant Research
NCT00785525
Reducing Empiric VAncomycin Use in Pediatric Suspected Sepsis
Children's Hospital of Philadelphia
NCT05975671
Registry Study for Radiation Therapy Outcomes
Proton Collaborative Group
NCT01255748
Evaluation of Global Smart Drinking Goals Initiative
HB
NCT03262259
Inherited Retinal Degenerative Disease Registry
Foundation Fighting Blindness
NCT02435940
Respiratory Virus Sampling and Repository
National Institute of Allergy and Infectious Diseases (NIAID)
NCT05266222
Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network
National Human Genome Research Institute (NHGRI)
NCT02450851
Clinical Validation of Freenome Multiomics Blood Test for Lung Cancer Screening
Freenome Holdings
NCT06122077
NIAID Centralized Sequencing Protocol
National Institute of Allergy and Infectious Diseases (NIAID)
NCT03206099
The Choice of Vasopressor to Prevent Postoperative Acute Kidney Injury After Major Non-Cardiac Surgery
University of California, San Francisco
NCT06802224
Evaluation of Patients With Mood and Anxiety Disorders and Healthy Volunteers
National Institute of Mental Health (NIMH)
NCT00024635
The PCOS Challenge Study
PCOS Challenge: The National Polycystic Ovary Syndrome Association
NCT05797909
Evaluation of Children With Endocrine and Metabolic-Related Conditions
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT02769975
Genetic Characterization of Movement Disorders and Dementias
National Institute on Aging (NIA)
NCT02014246
The Myelin Disorders Biorepository Project
Children's Hospital of Philadelphia
NCT03047369
Pancreatic Cancer Registry: For Any Person With a Personal or Family History
Johns Hopkins University
NCT02886247
Data Collection Study of Pediatric and Adolescent Gynecology Conditions
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT04717349
EASi-KIDNEY™ (The Studies of Heart & Kidney Protection With BI 690517 in Combination With Empagliflozin)
Boehringer Ingelheim
NCT06531824
Perception, Sensation, Cognition and Action in Humans
National Eye Institute (NEI)
NCT03407066
Oral Specimen and Data Acquisition Study of Subjects Requiring Third Molar Removal
National Institute of Dental and Craniofacial Research (NIDCR)
NCT01805869
Clinical and Scientific Assessment of Pain and Painful Disorders
National Center for Complementary and Integrative Health (NCCIH)
NCT02707029
Study of Healthy Cohort for Early Detection of Cancer
Johns Hopkins University
NCT05193305
Human Biospecimen Procurement Protocol: Biorepository to Support Translational Research to Identify Disease Mechanism(s)
National Heart, Lung, and Blood Institute (NHLBI)
NCT02543996
Cytapheresis of Volunteer Donors
National Institute on Aging (NIA)
NCT00104325
A Biorepository of Multiple Allergic Diseases (MADREP) With Longitudinal Follow-Up
National Institute of Allergy and Infectious Diseases (NIAID)
NCT06732414
SMART-r: Substance Monitoring and Active Relapse Tracking Repository
National Institute on Drug Abuse (NIDA)
NCT06676059
Innovations in Genicular Outcomes Registry
Pacira Pharmaceuticals
NCT05495334
Baltimore Longitudinal Study of Aging
National Institute on Aging (NIA)
NCT00233272
Screening for Research Participants
National Eye Institute (NEI)
NCT00655096
Natural History and Biospecimen Acquisition for Children and Adults With Rare Solid Tumors
National Cancer Institute (NCI)
NCT03739827
Profiling of Radiological Factors in Treatment and Outcomes in Prostate Cancer
National Cancer Institute (NCI)
NCT03354416
Screening, Evaluation and Assessment (SEA) Protocol at the NIDA IRP
National Institute on Drug Abuse (NIDA)
NCT06552741
Genetic and Physical Study of Childhood Nerve and Muscle Disorders
National Institute of Neurological Disorders and Stroke (NINDS)
NCT01568658
The Cancer of the Pancreas Screening-5 CAPS5)Study
Johns Hopkins University
NCT02000089
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.