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[Real-world evidence vs EBM: what does real-world data add?]

Matteo Franchi1, Giovanni Corrao1

  • 1Centro Nazionale "Healthcare Research & Pharmacoepidemiology", Milano - Laboratorio di "Healthcare Research & Pharmacoepidemiology", Dipartimento di Statistica e Metodi Quantitativi, Università di Milano-Bicocca.

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Summary

Randomized clinical trials (RCTs) show treatment effects, but real-world evidence from Electronic Healthcare Utilization (EHU) databases is crucial for understanding outcomes in routine practice. EHU data complements RCTs, aiding healthcare decision-making.

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Area of Science:

  • Health Services Research
  • Clinical Epidemiology
  • Health Informatics

Background:

  • Randomized clinical trials (RCTs) provide high-level evidence but may not reflect real-world treatment impact due to patient and treatment heterogeneity.
  • Pragmatic RCTs aim to bridge this gap but often fall short in capturing the full spectrum of routine clinical practice.
  • Growing interest in real-world evidence (RWE) necessitates methods that evaluate healthcare pathways in actual clinical settings.

Purpose of the Study:

  • To describe the characteristics and research applications of Electronic Healthcare Utilization (EHU) databases for generating real-world evidence.
  • To outline the strengths and limitations of using EHU data in healthcare research.
  • To highlight the role of EHU data in complementing traditional clinical trial evidence.

Main Methods:

  • Review and description of Electronic Healthcare Utilization (EHU) databases, which include administrative data on healthcare services.
  • Analysis of research areas where EHU data can provide valuable insights into treatment impact and healthcare pathways.
  • Discussion of the methodological strengths and limitations inherent in utilizing EHU data.

Main Results:

  • EHU databases offer a valuable resource for studying healthcare utilization and treatment outcomes in real-world settings.
  • These databases capture socio-demographic and clinical characteristics, enabling a comprehensive understanding of patient populations.
  • The research utility of EHU data spans various areas, providing evidence for healthcare decision-making.

Conclusions:

  • Electronic Healthcare Utilization (EHU) data should be viewed as a complementary tool to, not a replacement for, randomized clinical trials (RCTs).
  • EHU data offers a powerful means to integrate with RCT findings, enhancing the understanding of treatment effectiveness in routine clinical practice.
  • Leveraging EHU data supports healthcare decision-makers by providing robust real-world evidence on healthcare pathways and interventions.