Cost talk: protocol for a stepped-wedge cluster randomized trial of an intervention helping patients and urologic surgeons discuss costs of care for slow-growing prostate cancer during shared decision-making

Mary C Politi, Rachel C Forcino, Katelyn Parrish, Marie-Anne Durand, A James O'Malley, Glyn Elwyn, Mary C Politi, Rachel C Forcino, Katelyn Parrish, Marie-Anne Durand, A James O'Malley, Glyn Elwyn

Abstract

Background: Costs of care are important to patients making cancer treatment decisions, but clinicians often do not feel prepared to discuss treatment costs. We aim to (1) assess the impact of a conversation-based decision aid (Option Grid) containing cost information about slow-growing prostate cancer management options, combined with urologic surgeon training, on the frequency and quality of patient-urologic surgeon cost conversations, and (2) examine the impact of the decision aid and surgeon training on decision quality.

Methods: We will conduct a stepped-wedge cluster randomized trial in outpatient urology practices affiliated with a large academic medical center in the USA. We will randomize five urologic surgeons to four intervention sequences and enroll their patients with a first-time diagnosis of slow-growing prostate cancer independently at each period. Primary outcomes include frequency of cost conversations, initiator of cost conversations, and whether or not a referral is made to address costs. These outcomes will be collected by patient report (post-visit survey) and by observation (audio-recorded clinic visits) with consent. Other outcomes include the following: patient-reported decisional conflict post-visit and at 3-month follow-up, decision regret at 3-month follow-up, shared decision-making post-visit, communication post-visit, and financial toxicity post-visit and at 3-month follow-up; clinician-reported attitudes about shared decision-making before and after the study, and feasibility of sustained intervention use. We will use hierarchical regression analysis to assess patient-level outcomes, including urologic surgeon as a random effect to account for clustering of patient participants.

Discussion: This study evaluates a two-part intervention to improve cost discussions between urologic surgeons and patients when deciding how to manage slow-growing prostate cancer. Establishing the effectiveness of the strategy under study will allow for its replication in other clinical decision contexts.

Trial registration: ClinicalTrials.gov NCT04397016 . Registered on 21 May 2020.

Keywords: Clinical communication; Cost conversations; Costs of care; Financial toxicity; Prostate cancer; Shared decision-making; Stepped-wedge cluster randomized trial.

Conflict of interest statement

Mary Politi previously (2017-2019) received research funding from Merck & Co on a topic unrelated to this manuscript. Marie-Anne Durand has contributed to the development of the Option Grid patient decision aids, which are licensed to EBSCO Health. Dr. Durand receives consulting income from EBSCO Health, and may receive royalties in the future. Glyn Elwyn is the Founder and Director of &think LLC which owns the registered trademark for Option Grids TM patient decision aids; Founder and Director of SHARPNETWORK LLC, a provider of training for shared decision making. Prof. Elwyn provides advice in the domain of shared decision making and patient decision aids to (1) Access Community Health Network, Chicago (Adviser to Federally Qualified Medical Centers), (2) EBSCO Health for Option Grids TM patient decision aids (Consultant), (3) Bind On Demand Health Insurance (Consultant), (4) PatientWisdom Inc (Adviser), and (5) abridge AI Inc (Chief Clinical Research Scientist). No other authors declare competing interests.

Figures

Fig. 1
Fig. 1
Study overview
Fig. 2
Fig. 2
Schedule of enrollment, interventions, and assessments

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Source: PubMed

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