Choosing a control intervention for a randomised clinical trial

Howard Mann1, Benjamin Djulbegovic

  • 1Department of Radiology, 1A71 University Hospital, 50 North Medical Drive, Salt Lake City, UT 84132, USA. howard.mann@hsc.utah.edu

Abstract

Insights

Establishing clinical equipoise is crucial for ethical randomized controlled trials. Choosing the right control intervention ensures both scientific advancement and optimal patient care.

Area of Science:

  • Clinical Trials
  • Medical Ethics
  • Evidence-Based Medicine

Background:

  • Randomized controlled trials (RCTs) aim to resolve uncertainty regarding comparator interventions.
  • Acknowledging uncertainty in RCTs facilitates scientific knowledge acquisition and optimal patient treatment choices.
  • Ethical patient recruitment in clinical trials necessitates clinical equipoise, especially when evaluating novel or unapproved interventions.

Purpose of the Study:

  • To emphasize the importance of clinical equipoise in randomized controlled trials.
  • To outline best practices for selecting control interventions in clinical research.
  • To ensure ethical patient enrollment and maximize the scientific and therapeutic value of trials.

Main Methods:

  • Systematic literature reviews to identify relevant studies and existing evidence.
  • Formal surveys and expert elicitation to gauge clinical expert opinions.
  • Protocol publication to ensure transparency and facilitate peer review.

Main Results:

  • The selection of appropriate control interventions is critical for establishing clinical equipoise.
  • Systematic reviews and expert consultations provide a robust foundation for control group selection.
  • Transparent trial protocols enhance the credibility and ethical standing of research.

Conclusions:

  • The choice of a control intervention should be informed by comprehensive literature reviews and expert consensus.
  • Formalized methods for assessing clinical equipoise are essential for ethical trial design.
  • When clinical equipoise is established, physicians can confidently enroll patients, acting in therapeutic beneficence.

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