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Magnetic resonance imaging in breast cancer: results of the COMICE trial
Breast Cancer Research volume 10, Article number: P10 (2008)
The role of the addition of magnetic resonance imaging (MRI) to routine techniques for locoregional staging of primary breast cancer is unclear. The COMICE trial considered whether adding a MRI scan to conventional triple assessment (mammogram, ultrasound and biopsy) assisted locoregional staging, and thereby reduced reoperation rates, for patients with primary breast cancer scheduled for wide local excision.
The primary endpoint of the COMICE trial considered the proportion of patients undergoing a repeat operation or mastectomy at further surgery within 6 months of randomisation, or an avoidable mastectomy at initial surgery (reoperation rate). This was compared using logistic regression adjusting for age, breast density, and surgeon.
Between December 2001 and January 2007, 1,625 patients were randomised to receive MRI (n = 817) or not (n = 808). The reoperation rate within 6 months (primary outcome) was 18.8% (MRI) and 19.3% (no MRI). No significant difference between the arms was detected (odds ratio = 0.96, 95% CI = (0.75, 1.24), P = 0.7691). Secondary endpoints included quality of life, imaging effectiveness and local recurrence.
The results of the COMICE trial indicate no significant benefit in terms of reduction in reoperation rates by the addition of MRI to conventional triple assessment for this patient group. These results have importance from both health economic and patient burden perspectives.
The project was funded by the NIHR Health Technology Assessment (HTA) Programme (Project Number 99/27/05) and will be published in full in a HTA report. The view and opinions expressed therein are those of the authors and do not necessarily reflect those of the Department of Health.
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Turnbull, L. Magnetic resonance imaging in breast cancer: results of the COMICE trial. Breast Cancer Res 10, P10 (2008). https://doi.org/10.1186/bcr2008
- Breast Cancer
- Magnetic Resonance Imaging
- Local Recurrence
- Primary Endpoint
- Secondary Endpoint