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 Massachusetts. Use the search field to focus on a condition or drug.
The Pediatric Anesthesia Quality Improvement Project
The Society for Pediatric Anesthesia
NCT00674388
The Million Anesthesia Cases Study (MACS) - a Cohort Study of Preoperative Fasting and Perioperative Outcomes
Massachusetts General Hospital
NCT07022951
Maternal Newborn Health Registry
NICHD Global Network for Women's and Children's Health
NCT01073475
Validation of Chlamydia Diagnostic Codes in TriNetX US EHR Data
Sanofi
NCT07094373
Apple Women's Health Study
Apple
NCT04196595
Apple Health Study
Apple
NCT06958523
A Trial Comparing Screening Mammography With and Without Assistance From Artificial Intelligence for Breast Cancer Detection and Recall Rates in Adult Patients
Jonsson Comprehensive Cancer Center
NCT06934239
Personalized Responses to Dietary Composition Trial 3
Zoe Global Limited
NCT04735835
Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs
Children's Hospital of Philadelphia
NCT02493478
Computerized Registry of Patients With Venous Thromboembolism (RIETE)
Manuel Monreal
NCT02832245
Implementing Scalable, PAtient-centered, Team-based, Technology-enabled Care for Adults With Type 2 Diabetes (iPATH)
Stanford University
NCT06251323
CRICKET: Critical Events in Anaesthetised Kids Undergoing Tracheal Intubation
Thomas Riva
NCT05804188
An Observational Study On TheAccuracy Of Whole-Body Magnetic Resonance Imaging (Wb-Mri) ScreeningTo Predict Clinically Significant Diagnoses In General Population Subjects Interested In Proactive And Advanced General Preventive Healthcare.
Hercules
NCT06212479
US National OCS Heart Perfusion (OHP) Registry
TransMedics
NCT05915299
US National OCS Liver Perfusion (OLP) Registry
TransMedics
NCT05940857
Online Study of People Who Have Genetic Changes and Features of Autism: Simons Searchlight
Simons Searchlight
NCT01238250
BostonGene-Integrated Genomic Registry (BIGR)
BostonGene
NCT04991922
Epilepsy Learning Healthcare System (ELHS)
Epilepsy Foundation of America
NCT06265103
International Weight Control Registry
Tufts University
NCT04907396
Generic Database of Very Low Birth Weight Infants
NICHD Neonatal Research Network
NCT00063063
Use of a Colorectal Cancer Screening Decision Support Tool in Primary Care
Massachusetts General Hospital
NCT06625983
TrialNet Pathway to Prevention of T1D
University of South Florida
NCT00097292
Follow-up Visit of High Risk Infants
NICHD Neonatal Research Network
NCT00009633
Social Needs Screening and Chronic Diseases Study (WE CARE)
University of Massachusetts, Worcester
NCT06903897
The T1D Exchange Registry
T1D Exchange, United States
NCT04629586
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
NCT01120353
Supraglottic Airway for Resuscitation Trial
Children's Hospital of Philadelphia
NCT07150923
Predicting Progression of Developing Myeloma in a High-Risk Screened Population (PROMISE)
Dana-Farber Cancer Institute
NCT03689595
Study of the Role of Genetic Modifiers in Hemoglobinopathies
Cyprus Institute of Neurology and Genetics
NCT05799118
Clinical Follow-up of Pregnant Subjects Undergoing NIPT
Sequenom
NCT04595201
Boston Birth Cohort Study
Johns Hopkins Bloomberg School of Public Health
NCT03228875
Development and Testing of a Pediatric Cervical Spine Injury Risk Assessment Tool
Julie Leonard
NCT05049330
IConquerMS™ - a Patient-Powered Research Network for Multiple Sclerosis
Accelerated Cure Project for Multiple Sclerosis
NCT02486562
Genetic Studies of Strabismus, Congenital Cranial Dysinnervation Disorders (CCDDs), and Their Associated Anomalies
Boston Children's Hospital
NCT03059420
Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network
National Human Genome Research Institute (NHGRI)
NCT02450851
Adolescent Outcomes of Post-operative Opioid EXposure
Sharon Levy
NCT06350409
Clinical Validation of Freenome Multiomics Blood Test for Lung Cancer Screening
Freenome Holdings
NCT06122077
A Multi-Site Leukopak Repository Providing Annotated Biospecimens for Approved Investigator-Directed Biomedical Research Initiatives
Sanguine Biosciences
NCT05794217
Tissue Repository Providing Annotated Biospecimens for Approved Investigator-directed Biomedical Research Initiatives
Sanguine Biosciences
NCT05635266
Improving Hypertension Control in Safety-Net Settings: The Boston Hypertension Equity Alliance in Treatment
Boston Medical Center
NCT06948838
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.