clinical trial database registry

Detecting and preventing protocol violations before they ever happen. In today’s complex clinical trial landscape, one issue continues to fly under the radar—duplicate research subjects and professional research subjects. These individuals enroll in multiple trials simultaneously or too close together, often crossing therapeutic areas, sponsors, and trial phases. Left unchecked, these subjects introduce significant risk …

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The Verified Clinical Trials (VCT) team is excited to attend the 2025 ASCP Annual Meeting, currently taking place in Tucson, Arizona. As the premier event hosted by the American Society of Clinical Psychopharmacology, ASCP brings together global leaders advancing psychiatry and CNS (central nervous system) drug development—and VCT is proud to support that mission. Verified …

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In the world of clinical research, ensuring participant safety and preserving data integrity are not just goals—they are regulatory and scientific necessities. Yet, a significant blind spot persists in the industry: duplicate subjects in clinical trials and professional research subjects continue to slip through the cracks, threatening the quality of clinical trials globally. Verified Clinical …

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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 …

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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 …

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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 …

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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 …

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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 …

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Clinical trials for GLP-1 receptor agonists and obesity clinical trials face unique challenges due to the high level of interest from participants who are eager to lose weight or manage metabolic disorders. One major concern is duplicate enrollment in clinical trials, where subjects attempt to participate in multiple studies simultaneously. This can happen for several …

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Clinical trials are the backbone of medical advancements, providing the data necessary to develop new treatments and therapies. However, one of the biggest challenges facing the research community is ensuring data integrity and participant safety. Duplicate subjects in clinical trials, fraudulent participation, and non-compliance can compromise results and endanger both subjects and the broader public. …

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