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| Uji Klinis Retrospektif Fase II× | Desain Studi Akurasi Diagnostik× | |
|---|---|---|
| Bidang≠ | Epidemiologi | Penelitian Klinis |
| Keluarga | Process / pipeline | Process / pipeline |
| Tahun asal≠ | 1980s–1990s (with growth in oncology retrospective analyses) | 2003-2015 |
| Pencetus≠ | Adapted from standard Phase II trial methodology; retrospective variant formalized in oncology practice | Bossuyt, Reitsma, and STARD group (2003); clinical epidemiology pioneers |
| Tipe≠ | Observational retrospective study | Research Design |
| Sumber perintis≠ | Simon, R. (1989). Optimal two-stage designs for phase II clinical trials. Controlled Clinical Trials, 10(1), 1–10. DOI ↗ | Bossuyt, P. M., Reitsma, J. B., Bruns, D. E., Gatsonis, C. A., Glasziou, P. P., Irwig, L. M., ... & de Vet, H. C. (2003). Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. Annals of Internal Medicine, 138(1), 40–44. DOI ↗ |
| Alias | retrospective Phase II study, historical Phase II analysis, retrospective efficacy study, Phase II retrospective analysis | diagnostic accuracy study, test accuracy, STARD, diagnostic evaluation |
| Terkait≠ | 5 | 2 |
| Ringkasan≠ | A retrospective Phase II clinical trial evaluates a treatment's preliminary efficacy and safety signals using existing archival data — medical records, registries, or electronic health records — rather than prospectively enrolling new patients. It mirrors the objectives of a standard Phase II trial (estimating response rate, tolerability, and early efficacy) but does so by looking backward at patients who have already received the intervention, making it faster and less costly than a prospective design. | A diagnostic accuracy study evaluates how well a new diagnostic test (or biomarker, imaging modality, clinical assessment) detects the presence or absence of disease compared to a reference standard (gold standard). Standardized since 2003 by the STARD (Standards for Reporting of Diagnostic Accuracy Studies) initiative, diagnostic accuracy studies are fundamental to clinical medicine, determining whether and how new tests can improve patient diagnosis and treatment. |
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