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Τρίτη 18 Δεκεμβρίου 2018

Prophylactic effect of scopolamine butylbromide, a competitive antagonist of muscarinic acetylcholine receptor, on irinotecan-related cholinergic syndrome

Abstract

Background/aim

Cholinergic syndrome frequently occurs within the first 24 h after irinotecan injection. We evaluated the prophylactic effect of scopolamine butylbromide on irinotecan-related cholinergic syndrome.

Patients and methods

Fifty-nine patients who received irinotecan-based regimens at our outpatient chemotherapy clinic between April 2013 and May 2014 were enrolled. Patients who developed irinotecan-related cholinergic syndrome were prophylactically administered scopolamine butylbromide at the next scheduled treatment. Risk factors for irinotecan-related cholinergic syndrome were determined using logistic regression analysis.

Results

Irinotecan-related cholinergic syndrome occurred in 50.8% of patients. Scopolamine butylbromide administration significantly reduced the incidence to 3.4% (P < 0.01). The irinotecan dose (≥ 150 mg/m2) was the only risk factor associated with irinotecan-related cholinergic syndrome. The incidence of cholinergic syndrome in patients with this risk factor was 75%.

Conclusion

Scopolamine butylbromide was effective in preventing irinotecan-related cholinergic syndrome. It is recommended for patients receiving ≥ 150 mg/m2 irinotecan who may develop cholinergic syndrome at high frequency.



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