The impact of parent treatment preference and other factors on recruitment: lessons learned from a paediatric epilepsy randomised controlled trial

BERNIE CARTER, LUCY BRAY, Nadia al-Najjar, Agnes Tort Piella, Catrin Tudur Smith, Catherine Spowart, Amber Collingwood, Holly Crudgington, Janet Currier, Dyfrig Hughes, Elfiona Woods, RACHAEL MARTIN, Christopher Morris, Deborah Roberts, Ali Rouncefield-Swales, HEATHER SUTHERLAND, Victoria Watson, Georgia Cook, Luci Wiggs, Paul GringrasDeb Pal

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Abstract

Background
In paediatric epilepsy, the evidence of effectiveness of antiseizure treatment is inconclusive for some types of epilepsy. As with other paediatric clinical trials, researchers undertaking paediatric epilepsy clinical trials face a range of challenges that may compromise external validity.

Main body
In this paper we critically reflect upon the factors which impacted recruitment to the pilot phase of a phase IV unblinded, randomised controlled 3x2 factorial trial examining the effectiveness of two antiseizure medications (ASMs) and a sleep behaviour intervention in children with Rolandic epilepsy. We consider the processes established to support recruitment, public and patient involvement and engagement (PPIE), site induction, our oversight of recruitment targets and figures, and the actions we took to help us understand why we failed to recruit sufficient children to continue to the substantive trial phase.

The key lessons learned were about parent preference, children’s involvement and collaboration in decision-making, potential? alternative trial designs, and elicitation of stated preferences pre-trial design.

Despite pre-funding PPIE during the trial design phase, we failed to anticipate the scale of parental treatment preference for or against antiseizure medication (ASMs) and consequent unwillingness to be randomised. Future studies should ensure more detailed and in-depth consultation to ascertain parent and/or patient preferences. More intense engagement with parents and children exploring their ideas about treatment preferences could, perhaps, have helped predict some recruitment issues. Infrequent seizures or screening children close to natural remission were possible explanations for non-consent. It is possible some clinicians were unintentionally unable to convey clinical equipoise influencing parental decision against participation. We wanted children to be involved in decisions about trial participation. However, despite having tailored written and video information to explain the trial to children we do not know whether these materials were viewed in each consent conversation or how much input children had towards parents’ decisions to participate. Novel methods such as parent/patient preference trials and/or discrete choice experiments may be the way forward.

Conclusion
The importance of diligent consultation, the consideration of novel methods such as parent/patient preference trials and/or discrete choice experiments in studies examining the effectiveness of ASMs versus no-ASMs cannot be overemphasised even in the presence of widespread clinician equipoise.
Original languageEnglish
JournalTrials
Publication statusAccepted/In press - 30 Dec 2022

Keywords

  • parent treatment preference
  • recruitment
  • consent
  • Patient and public involvement (PPI)
  • randomised trial design

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