Antiviral clinical trial design throughout the COVID pandemic: evolving endpoints and lessons learnt

Beatrice Z Sim1,2,3, Andre C Kalil4, Cameron R Wolfe1

  • 1Division of Infectious Diseases, Department of Medicine, Duke University, Durham, North Carolina, USA.

Abstract

Insights

Clinical trial design faced challenges during the COVID-19 pandemic due to uncertainty. Adaptive, platform, and master protocols were used to address evolving disease and viral landscapes.

Area of Science:

  • Infectious disease epidemiology
  • Clinical trial methodology
  • Pandemic preparedness

Background:

  • The COVID-19 pandemic presented unprecedented challenges for clinical trial design.
  • Uncertainty regarding the virus's natural history, at-risk populations, and optimal care impacted research.
  • Existing trial frameworks required adaptation to navigate the evolving pandemic landscape.

Purpose of the Study:

  • To review and analyze trial designs employed during the COVID-19 pandemic.
  • To address the complexities of conducting research amidst significant scientific and healthcare system uncertainties.
  • To evaluate strategies for maintaining scientific rigor and practicality in infectious disease research.

Main Methods:

  • Review of adaptive trial designs.
  • Analysis of platform trial methodologies.
  • Examination of master protocol frameworks.
  • Discussion of strengths and challenges associated with each design.

Main Results:

  • Adaptive trial designs offered flexibility in response to evolving data.
  • Platform trials enabled efficient evaluation of multiple interventions simultaneously.
  • Master protocols streamlined the execution of multiple related studies.
  • Each design type presented unique logistical and operational challenges.

Conclusions:

  • Future pandemics necessitate adaptable and robust clinical trial designs.
  • Integrating evolving scientific understanding with practical trial execution remains a critical challenge.
  • Innovative trial methodologies are essential for effective pandemic response and future preparedness.

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