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How to support cancer genetics counselees in informing at-risk relatives? Lessons from a randomized controlled trial

Eijzenga, W., de Geus, E., Aalfs, C. M., Menko, F. H., Sijmons, R. H., de Haes, H. C. J. M. & Smets, E. M. A., Sep-2018, In : Patient Education and Counseling. 101, 9, p. 1611-1619 9 p.

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  • How to support cancer genetics counselees in informing at-risk relatives Lessons from a randomized controlled trial

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DOI

  • Willem Eijzenga
  • Eveline de Geus
  • Cora M. Aalfs
  • Fred H. Menko
  • Rolf H. Sijmons
  • Hanneke C. J. M. de Haes
  • Ellen M. A. Smets

Objective: In hereditary and familial cancer, counselees are requested to inform their at-risk relatives. We developed an intervention to support counselees in this task.

Methods: A randomized controlled trial was conducted aimed at improving cancer genetic counselees' i) knowledge, ii) motivation to disclose information, and ii) self-efficacy in this regard. Eligible participants were randomized to telephonic counseling (n = 148), or standard care (n = 157) and assessed at baseline, week post-intervention, and 4 months after study enrolment.

Results: No between-group differences were found in participants' knowledge, motivation, and self-efficacy. Knowledge concerning which second-degree relatives to inform was lower compared to first-degree relatives. About 60% of the participants was of the opinion that they needed to inform more relatives than stated in their summary letter and only about 50% were correctly aware of which information to disclose. Of note, at baseline, almost 80% of the participants had already correctly informed their at-risk relatives.

Conclusions: Since, unexpectedly, counselees already informed most of their relatives before the intervention was offered, efficacy of the intervention could not convincingly be determined. Counselees' knowledge about whom to inform about what is suboptimal.

Practice Implications: Future interventions should target a more homogeneous sample and address counselees' understanding and recall. (C) 2018 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1611-1619
Number of pages9
JournalPatient Education and Counseling
Volume101
Issue number9
Publication statusPublished - Sep-2018

    Keywords

  • Randomized controlled trial, Cancer risk, Genetic counseling, Motivational interviewing, Relatives, FAMILY COMMUNICATION, BRCA1/2 MUTATIONS, LYNCH SYNDROME, INFORMATION, MEMBERS, HNPCC, DISSEMINATION, INTERVENTION, INDIVIDUALS, BARRIERS

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