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Cancer. 2011 Jul 1;117(13):2853-62. doi: 10.1002/cncr.25842. Epub 2011 Jan 10.

Do patients consider preoperative chemoradiation for primary rectal cancer worthwhile?

Author information

1
Division of General Surgery, Toronto General Hospital and Toronto General Research Institute, Toronto, Ontario, Canada. ekennedy@mtsinai.on.ca

Abstract

BACKGROUND:

The objective of this study was to elicit future patients' preferences for preoperative chemoradiation (pre-CRT) for rectal cancer to determine whether patients' preferences are consistent with current treatment guidelines.

METHODS:

During a standardized interview, the treatment protocol, risks, benefits, and long-term outcomes associated with 1) surgery alone (SA) and 2) pre-CRT followed by surgery (CR + S) were described to healthy individuals, and a threshold task was performed. Each participant was asked which treatment option they would prefer when the risk of local recurrence was set initially at 15% for both options. If the participant indicated SA (which was expected), then the risk of local recurrence for CR + S was lowered systematically until the participant's preference changed from SA to CR + S. This threshold point represented the risk of local recurrence for pre-CRT that the participant would require before they would choose treatment with pre-CRT.

RESULTS:

Fifty individuals participated in the study, and the majority were well educated. Twenty-seven of 50 participants (54%) required a risk of local recurrence with CR + S of ≤ 5% (ie, equivalent to an absolute risk reduction ≥ 10%) before they would choose treatment with pre-CRT. Regression analysis did not identify any variables that were predictive of the participants' preferences.

CONCLUSIONS:

Participants seemed to highly value functional outcomes and seemed willing to accept a higher risk of local recurrence to achieve this. Therefore, developers of future guidelines may need to downgrade the use of pre-CRT for all patients with stage II/III tumors from a guideline to an option.

PMID:
21692046
DOI:
10.1002/cncr.25842
[Indexed for MEDLINE]
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