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A technology assessment study design.

A Laupacis1, R Bourne, C Rorabeck

  • 1Ontario Ministry of Health, London.

Dimensions in Health Service
|October 1, 1989
PubMed
Summary

Randomized controlled trials (RCTs) are essential for evaluating new medical technologies, not just drugs. Research comparing competing hip prostheses demonstrates that rigorous trials can be successfully conducted in clinical settings without compromising patient care.

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Area of Science:

  • Medical technology assessment
  • Comparative effectiveness research
  • Clinical trial methodology

Background:

  • Randomized controlled trials (RCTs) are standard for drug approval.
  • Healthcare technologies, like hip prostheses, also require rigorous evaluation.
  • Comparative technology assessment is an emerging research area.

Purpose of the Study:

  • To evaluate the feasibility of conducting RCTs for competing healthcare technologies.
  • To assess the impact of RCTs on clinical care quality and quantity.
  • To investigate cemented versus noncemented hip prostheses using RCTs.

Main Methods:

  • The study involved careful planning and execution of a randomized controlled trial.
  • The trial was conducted on a busy clinical teaching ward.
  • Data collection focused on the quality and quantity of clinical care provided.

Main Results:

  • RCTs for competing technologies are feasible to conduct.
  • Conducting trials did not adversely affect clinical care quality.
  • The trial provided valuable data on hip prostheses comparison.

Conclusions:

  • Rigorous RCTs are necessary for evaluating medical technologies beyond drugs.
  • Clinical trials can be successfully implemented in busy ward settings.
  • This approach supports evidence-based selection of healthcare technologies, such as hip implants.

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