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In the high-stakes world of clinical research, every data point matters. However, a growing and often underestimated threat continues to jeopardize clinical trial outcomes: professional patients in clinical trials. Professional patients—also known as duplicate subjects in clinical trials —are individuals who enroll in multiple clinical trials simultaneously or in rapid succession, often hiding their participation

In the world of drug development and medical innovation, clinical trials are the backbone of progress. However, the integrity of these trials is increasingly compromised by a rising and often overlooked issue: professional patients, also known as duplicate subjects in Clinical Trials. Who Are Professional Patients? Professional patients are individuals who enroll in multiple clinical

GARDEN CITY, N.Y.–(BUSINESS WIRE)–Verified Clinical Trials (VCT), the world’s largest global research subject database designed to prevent dual enrollment in clinical trials with duplicate research subjects and protocol violations in clinical trials, proudly announces it has achieved ISO/IEC 27001 certification, the international gold standard for information security management systems (ISMS). This significant milestone reflects VCT’s ongoing dedication to

Running a successful clinical trial requires precision, compliance, and above all—integrity of your data. One of the greatest threats to this integrity? Professional research subjects and duplicate subjects in clinical trials. Many sponsors and CROs underestimate the frequency and impact of dual enrollment in clinical trials. Yet, it’s not a matter of if it will

Introduction In today’s fast-paced clinical research environment, ensuring data integrity and participant safety has never been more critical. One of the most persistent threats to these core objectives is the issue of duplicate research subjects in clinical trials—individuals who enroll in multiple studies concurrently or in close succession, often without disclosing prior participation. Verified Clinical