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Coronavirus Human Infection Challenge Studies: Assessing Potential Benefits and Risks.
Jamrozik, Euzebiusz; Heriot, George S; Selgelid, Michael J.
  • Jamrozik E; Monash Bioethics Centre, Monash University, Melbourne, Australia. zeb.jamrozik@monash.edu.
  • Heriot GS; Royal Melbourne Hospital Department of Medicine, University of Melbourne, Melbourne, Australia. zeb.jamrozik@monash.edu.
  • Selgelid MJ; School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
J Bioeth Inq ; 17(4): 709-715, 2020 Dec.
Article in English | MEDLINE | ID: covidwho-728258
ABSTRACT
Human infection challenge studies (HCS) have been proposed as a means to accelerate SARS-CoV2 vaccine development and thereby help to mitigate a prolonged global public health crisis. A key criterion for the ethical acceptability of SARS-CoV2 HCS is that potential benefits outweigh risks. Although the assessment of risks and benefits is meant to be a standard part of research ethics review, systematic comparisons are particularly important in the context of SARS-CoV2 HCS in light of the significant potential benefits and harms at stake as well as the need to preserve public trust in research and vaccines. In this paper we explore several considerations that should inform systematic assessment of SARS-CoV-2 HCS. First, we detail key potential benefits of SARS-CoV-2 HCS including, but not limited to, those related to the acceleration of vaccine development. Second, we identify where modelling is needed to inform risk-benefit (and thus ethical) assessments. Modelling will be particularly useful in (i) comparing potential benefits and risks of HCS with those of vaccine field trials under different epidemiological conditions and (ii) estimating marginal risks to HCS participants in light of the background probabilities of infection in their local community. We highlight interactions between public health policy and research priorities, including situations in which research ethics assessments may need to strike a balance between competing considerations.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Viral Vaccines / Drug Development / COVID-19 Type of study: Experimental Studies / Prognostic study / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Topics: Vaccines Limits: Humans Language: English Journal: J Bioeth Inq Year: 2020 Document Type: Article Affiliation country: S11673-020-10030-x

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Viral Vaccines / Drug Development / COVID-19 Type of study: Experimental Studies / Prognostic study / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Topics: Vaccines Limits: Humans Language: English Journal: J Bioeth Inq Year: 2020 Document Type: Article Affiliation country: S11673-020-10030-x