Impact of timing and format of patient decision aids for breast cancer patients on their involvement in and preparedness for decision making: the IMPACTT randomised controlled trial protocol

Bettina Mølri Knudsen*, Stine Rauff Søndergaard, Dawn Stacey, Karina Dahl Steffensen

*Corresponding author for this work

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Abstract

Background: After curative surgery for early-stage breast cancer, patients face a decision on whether to undergo surgery alone or to receive one or more adjuvant treatments, which may lower the risk of recurrence. Variations in survival outcomes are often marginal but there are differences in the side effects and other features of the options that patients may value differently. Hence, the patient’s values and preferences are critical in determining what option to choose. It is well-researched that the use of shared decision making and patient decision aids can support this choice in a discussion between patient and clinician. However, it is still to be investigated what impact the timing and format of the patient decision aid have on shared decision making outcomes. In this trial, we aim to investigate the impact of a digital pre-consult compared to a paper-based in-consult patient decision aid on patients’ involvement in shared decision making, decisional conflict and preparedness to make a decision. Methods: The study is a randomised controlled trial with 204 patients at two Danish oncology outpatient clinics. Eligible patients are newly diagnosed with early-stage breast cancer and offered adjuvant treatments after curative surgery to lower the risk of recurrence. Participants will be randomised to receive either an in-consult paper-based patient decision aid or a pre-consult digital patient decision aid. Data collection includes patient and clinician-reported outcomes as well as observer-reported shared decision making based on audio recordings of the consultation. The primary outcome is the extent to which patients are engaged in a shared decision making process reported by the patient. Secondary aims include the length of consultation, preparation for decision making, preferred role in shared decision making and decisional conflict. Discussion: This study is the first known randomised, controlled trial comparing a digital, pre-consult patient decision aid to an identical paper-based, in-consult patient decision aid. It will contribute evidence on the impact of patient decision aids in terms of investigating if pre-consult digital patient decisions aids compared to in-consult paper-based decision aids support the cancer patients in being better prepared for decision making. Trial registration: ClinicalTrials.gov (NCT05573022).

Original languageEnglish
Article number336
JournalBMC Cancer
Volume24
Number of pages8
ISSN1471-2407
DOIs
Publication statusPublished - 12. Mar 2024

Bibliographical note

Publisher Copyright:
© The Author(s) 2024.

Keywords

  • Breast cancer
  • Patient decision aid
  • RCT
  • Shared decision making
  • Decision Making
  • Humans
  • Patient Participation
  • Decision Support Techniques
  • Randomized Controlled Trials as Topic
  • Decision Making, Shared
  • Breast Neoplasms/surgery
  • Female
  • Research Design

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