השוואת שיטות
סקרו את השיטות שבחרתם זו לצד זו; שורות שבהן יש הבדל מודגשות.
| מחקר שלב IV פרוספקטיבי× | ניסוי קליני אקראי (RCT)× | |
|---|---|---|
| תחום | אפידמיולוגיה | אפידמיולוגיה |
| משפחה | Process / pipeline | Process / pipeline |
| שנת המקור≠ | 1970s–1980s (formalized in post-marketing regulatory frameworks) | 1948 (first rigorously conducted RCT — MRC streptomycin trial) |
| הוגה השיטה≠ | Regulatory and pharmaceutical research community (ICH E2E, EMA PASS guidelines) | Austin Bradford Hill; MRC Streptomycin Trial team |
| סוג≠ | Observational / interventional post-marketing study design | Interventional experimental study |
| מקור מכונן≠ | Strom, B.L. (Ed.). (2005). Pharmacoepidemiology (4th ed.). Wiley. ISBN: 978-0470863088 | Friedman, L. M., Furberg, C. D., DeMets, D. L., Reboussin, D. M., & Granger, C. B. (2015). Fundamentals of Clinical Trials (5th ed.). Springer. ISBN: 978-3319185385 |
| כינויים | prospective post-marketing surveillance study, prospective pharmacovigilance study, prospective post-authorization safety study, PASS (prospective) | RCT, randomized controlled trial, randomised controlled trial, clinical randomized trial |
| קשורות≠ | 5 | 6 |
| תקציר≠ | A prospective Phase IV study is a post-marketing investigation conducted after a drug, device, or intervention has received regulatory approval, following participants forward in real time to collect safety, effectiveness, and utilization data under routine clinical practice conditions. Unlike retrospective designs that mine existing records, prospective enrollment allows pre-specified data collection, defined follow-up windows, and direct measurement of outcomes as they occur, making it central to post-authorization safety surveillance and long-term effectiveness research. | A randomized clinical trial (RCT) is an experimental study design in which participants are randomly assigned to an intervention group or a control group, then followed prospectively to compare outcomes. Random allocation is the defining feature: it distributes known and unknown confounders across groups by chance, making the RCT the strongest individual study design for establishing causal efficacy of a treatment or intervention under controlled conditions. |
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