Delivering COVID-19 Vaccine Trials at Speed: the Implementation of a Phase IV UK Multi-Centre Randomised Controlled Trial to Determine Safety and Immunogenicity of COVID-19 Vaccines Co-Administered with Seasonal Influenza Vaccines (Comflucov)

Sarah Baos,Rachel Todd,Russell Thirard,Rosie Harris,Jana Kirwan,Katherine Joyce,David Hutton,Adam Finn,Madeleine Clout,Heike Cappel-Porter,Chris A Rogers,Rajeka Lazarus,Lucy Culliford

Trials（2024）SCI 4区

University of Bristol | University Hospitals Bristol and Weston NHS Foundation Trust

Cited 0|Views20

Abstract

Background In February 2021, the UK Department of Health and Social Care sought evidence on the safety and immunogenicity of COVID-19 and influenza vaccine co-administration to inform the 2021/2022 influenza vaccine policy. Co-administration could support vaccine uptake and reduce healthcare appointments. ComFluCOV was a randomised controlled trial designed to provide this evidence. This report outlines the methods used to deliver the trial in 6 months to answer an urgent public health question as part of the COVID-19 pandemic response. Methods ComFluCOV was commissioned by the Department of Health and Social Care and was managed by the Bristol Trials Centre, a UK-registered clinical trials unit. It was classed as an Urgent Public Health trial which facilitated fast-track regulatory approvals. Trial materials and databases were developed using in-house templates and those used in other COVID-19 vaccine trials. Participants were recruited by advertising, and via a trial website. Electronic trial systems enabled daily review of participant data. Weekly virtual meetings were held with stakeholders and trial sites. Results ComFluCOV was delivered within 6 months from inception to reporting, and trial milestones to inform the Department of Health and Social Care policy were met. Set-up was achieved within 1 month. Regulators provided expedited reviews, with feedback ahead of submission. Recruitment took place at 12 sites. Over 380 site staff were trained. Overall, 679 participants were recruited in two months. The final report to the Department of Health and Social Care was submitted in September 2021, following a preliminary safety report in May 2021. Trial results have been published. Conclusion The rapid delivery of ComFluCOV was resource intensive. It was made possible in part due to a unique set of circumstances created by the pandemic situation including measures put in place to support urgent public health research and public support for COVID-19 vaccine research. Elements of the trial could be adopted to increase efficiency in ‘non-pandemic’ situations including working with a clinical trials unit to enable immediate mobilisation of a team of experienced researchers, greater sharing of resources between clinical trials units, use of electronic trial systems and virtual meetings. Trial registration ISRCTN14391248, submitted on 17/03/2021. Registered on 30/03/2021.

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Key words

COVID-19 vaccine,Influenza vaccine,Randomised controlled trial (RCT),Efficient delivery,Urgent Public Health (UPH)

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