Duplicate subjects and preventable protocol violations can easily be prevented up-front at the time of screening using the global research subject database registry Verified Clinical Trials (VCT). The protections continue for the entire duration fo the study including the specific washout criteria. VCT has data that routinely demonstrates double digit preventable protocol violations. Professional research subjects and duplicate subjects can ruin a trial and result in failure. This is NOT just a healthy volunteer phase 1 issue. This occurs across all phases of research and many therapeutic indications. VCT saves time and money and protects the clinical trial. Contact us at email@example.com to learn more.