Verified Clinical Trials (VCT) is the global leader in detecting duplicate subjects, professional patients, and other critical protocol violations that put clinical trials at risk.

VCT is the only solution with the unique ability to look into a research subject’s past clinical trial experience across all sponsors and therapeutic areas.

Our powerful cross-sponsor, cross-therapeutic database provides every stakeholder — pharmaceutical companies, CROs, research sites, and biotechnology firms — with the tools they need to ensure that subjects are not only free of duplicate enrollment, but also compliant with key protocol parameters and inclusion/exclusion criteria.

VCT detects these issues at the time of screening — before a subject is ever enrolled — and continues to provide protection for the entire duration of the trial. This proactive approach saves significant time and resources, while safeguarding data integrity, participant safety, and trial success.

While some organizations may rely on other technologies or internally developed tools, these approaches typically identify problems too late in the process — or fail to detect them at all. In contrast, VCT detects duplicate subjects, professional patients, and other protocol risks in real time at the point of screening, and continues monitoring throughout the study.

No other system provides this level of timely, cross-sponsor verification and comprehensive protocol compliance protection.

By ensuring that every enrolled subject is properly qualified and compliant, VCT enables better-quality subjects, improved data quality, and higher overall study success rates.

VCT helps every stakeholder in the research ecosystem achieve one common goal: safer trials, cleaner data, and more reliable outcomes.