Ethics review of COVID-19 human challenge studies: A joint HRA/WHO workshop

Eloise Williams*, Kathrine Craig, Christopher Chiu, Hugh Davies, Stephanie Ellis, Claudia Emerson, Euzebiusz Jamrozik, Monica Jefford, Gagandeep Kang, Melissa Kapulu, Simon E. Kolstoe, Katherine Littler, Anthony Lockett, Rey Elena Rey, Janet Messer, Helen McShane, Carla Saenz, Michael J. Selgelid, Seema Shah, Peter G. SmithNaho Yamazaki

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

This report of a joint World Health Organization (WHO) and United Kingdom (UK) Health Research Authority (HRA) workshop discusses the ethics review of the first COVID-19 human challenge studies, undertaken in the midst of the pandemic. It reviews the early efforts of international and national institutions to define the ethical standards required for COVID-19 human challenge studies and create the frameworks to ensure rigorous and timely review of these studies. This report evaluates the utility of the WHO's international guidance document Key criteria for the ethical acceptability of COVID-19 human challenge studies (WHO Key Criteria) as a practical resource for the ethics review of COVID-19 human challenge studies. It also assesses the UK HRA's approach to these complex ethics reviews, including the formation of a Specialist Ad-Hoc Research Ethics Committee (REC) for COVID-19 Human Challenge Studies to review all current and future COVID-19 human challenge studies. In addition, the report outlines the reflections of REC members and researchers regarding the ethics review process of the first COVID-19 human challenge studies. Finally, it considers the potential ongoing scientific justification for COVID-19 human challenge studies, particularly in relation to next-generation vaccines and optimisation of vaccination schedules. Overall, there was broad agreement that the WHO Key Criteria represented an international consensus document that played a powerful role in setting norms and delineating the necessary conditions for the ethical acceptability of COVID-19 human challenge studies. Workshop members suggested that the WHO Key Criteria could be practically implemented to support researchers and ethics reviewers, including in the training of ethics committee members. In future, a wider audience may be engaged by the original document and potential additional materials, informed by the experiences of those involved in the first COVID-19 human challenge studies outlined in this document.

Original languageEnglish (US)
Pages (from-to)3484-3489
Number of pages6
JournalVaccine
Volume40
Issue number26
DOIs
StatePublished - Jun 9 2022

Funding

In addition to the UK Specialist REC, the researchers\u2019 work was supported by a wide array of academics and experts via the pre-existing Human Infection Challenge for Vaccines (HIC-Vac) network (an international network of researchers who are developing human infection challenge studies to accelerate the development of vaccines, funded by the Medical Research Council (UK)), the UK MHRA (Medicines and Healthcare products Regulatory Agency), the HRA and the UK government. This broad coordination between researchers, policymakers and regulators is consistent with criterion four of the WHO Key Criteria, which states that COVID-19 challenge study research programmes should involve close coordination between researchers, funders, policy makers and regulators. This co-ordination of key stakeholders and research activities may arguably help to ensure that the potential public health benefits of the research are optimized [7] . Researchers reflected that this broad national support provided rigorous review and oversight, although the involvement of such a large collaborative group had trade-offs with regard to the rate of progress of the studies and the ability to rapidly share important findings of the research with the wider international community. For example, the involvement of public health agencies in such work requires that considerations must be made regarding how to incorporate the communication of preliminary research findings into the wider public health strategy and health promotion messages. E.W. is supported by a Postgraduate Scholarship from the Australian National Health and Medical Research Council (GNT2005380).

Keywords

  • COVID-19
  • Ethics review
  • Human challenge studies
  • SARS-CoV-2
  • Vaccines
  • Virology

ASJC Scopus subject areas

  • Molecular Medicine
  • General Immunology and Microbiology
  • General Veterinary
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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