Clinical Research Directory

Longitudinal Observational Study on Immune Thrombocytopenia

Sponsor: Peking University People's Hospital

Summary

Immune Thrombocytopenia (ITP) is a bleeding disorder characterized by immune-mediated destruction and/or impaired production of platelets, leading to clinical manifestations such as petechiae, purpura, mucosal bleeding, and in severe cases, life-threatening visceral or intracranial hemorrhage. Research on the diagnosis, treatment, and prognosis of ITP is critical for improving patient outcomes and quality of life. However, most existing hematologic cohort studies are limited to single-center or small multicenter samples, lacking comprehensive, large-scale prospective investigations. To address this gap, our center plans to conduct a large-sample, combined retrospective and prospective longitudinal observational cohort study of ITP patients. The study will enroll patients to collect baseline demographic and diagnostic data, followed by longitudinal follow-up via questionnaires, telephone interviews, video consultations, online platforms, and in-person visits. Key variables including treatment regimens, comorbidities, and prognostic outcomes will be systematically recorded. Additionally, hospitalization and outpatient expenditure data will be extracted from electronic medical records. This study aims to provide high-quality real-world evidence on the epidemiology, treatment patterns, clinical outcomes, and healthcare costs of ITP patients in China, ultimately informing clinical decision-making and health policy.

Official title: Retrospective and Prospective Longitudinal Observational Study on Immune Thrombocytopenia

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