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Published in: BMC Medical Informatics and Decision Making 1/2017

Open Access 01-12-2017 | Research article

Decision aids for second-line palliative chemotherapy: a randomised phase II multicentre trial

Authors: Linda J. M. Oostendorp, Petronella B. Ottevanger, A. Rogier T. Donders, Agnes J. van de Wouw, Ivonne J. H. Schoenaker, Tineke J. Smilde, Winette T. A. van der Graaf, Peep F. M. Stalmeier

Published in: BMC Medical Informatics and Decision Making | Issue 1/2017

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Abstract

Background

There is increasing recognition of the delicate balance between the modest benefits of palliative chemotherapy and the burden of treatment. Decision aids (DAs) can potentially help patients with advanced cancer with these difficult treatment decisions, but providing detailed information could have an adverse impact on patients' well-being. The objective of this randomised phase II study was to evaluate the safety and efficacy of DAs for patients with advanced cancer considering second-line chemotherapy.

Methods

Patients with advanced breast or colorectal cancer considering second-line treatment were randomly assigned to usual care (control group) or usual care plus a DA (intervention group) in a 1:2 ratio. A nurse offered a DA with information on adverse events, tumour response and survival. Outcome measures included patient-reported well-being (primary outcome: anxiety) and quality of the decision-making process and the resulting choice.

Results

Of 128 patients randomised, 45 were assigned to the control group and 83 to the intervention group. Median age was 62 years (range 32-81), 63% were female, and 73% had colorectal cancer. The large majority of patients preferred treatment with chemotherapy (87%) and subsequently commenced treatment with chemotherapy (86%). No adverse impact on patients' well-being was found and nurses reported that consultations in which the DAs were offered went well. Being offered the DA was associated with stronger treatment preferences (3.0 vs. 2.5; p=0.030) and increased subjective knowledge (6.7 vs. 6.3; p=0.022). Objective knowledge, risk perception and perceived involvement were comparable between the groups.

Conclusions

DAs containing detailed risk information on second-line palliative treatment could be delivered to patients with advanced cancer without having an adverse impact on patient well-being. Surprisingly, the DAs only marginally improved the quality of the decision-making process. The effectiveness of DAs for palliative treatment decisions needs further exploration.

Trial registration

Netherlands Trial Registry (NTR): NTR1113 (registered on 2 November 2007)
Appendix
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Metadata
Title
Decision aids for second-line palliative chemotherapy: a randomised phase II multicentre trial
Authors
Linda J. M. Oostendorp
Petronella B. Ottevanger
A. Rogier T. Donders
Agnes J. van de Wouw
Ivonne J. H. Schoenaker
Tineke J. Smilde
Winette T. A. van der Graaf
Peep F. M. Stalmeier
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Medical Informatics and Decision Making / Issue 1/2017
Electronic ISSN: 1472-6947
DOI
https://doi.org/10.1186/s12911-017-0529-y

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