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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

A feasibility study of the efficacy and tolerability of the combination of Exemestane with the COX-2 inhibitor Celecoxib in post-menopausal patients with advanced breast cancer.

BACKGROUND: This was a feasibility study of the combination of Exemestane and the cyclooxygenase-2 ( COX-2) inhibitor Celecoxib in advanced breast cancer. PATIENTS AND METHODS: Post-menopausal women with histologically proven, hormone receptor positive, advanced breast cancer who had progressive disease, normal blood counts, liver and renal function were eligible. Exemestane was given at a dose of 25mg daily and Celecoxib at a dose of 400mg bd. Responses were assessed according to RECIST criteria and toxicity was accessed according to CTC. The primary end-point was the percentage of patients who had neither discontinued therapy nor progressed at 6 months ('treatment successes'). RESULTS: Fifty-three eligible patients were enrolled. Of 30 patients with target lesions, 4 (13%) had a complete response (CR), 12 (40%) a partial response (PR) and 5 (17%) stable disease (SD). The best response in 18 of the 23 patients with no target lesions at baseline was stable disease. The clinical benefit (CR, PR+SD) for the whole group was therefore 39/53 (74%). The 'treatment success' rate was 60%. There were two non-malignant deaths which may have been associated with treatment. CONCLUSION: The combination of Exemestane and Celecoxib shows promising activity and tolerability and these results support the use of this combination in phase III clinical trials of short duration treatments.[1]


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