• William Beck, Sofiane Kabiche, Issa-Bella Balde, Sandra Carret, Jean-Eudes Fontan, Salvatore Cisternino, and Joël Schlatter.
• Service Pharmacie, Hôpital Jean Verdier-AP-HP, Hôpitaux universitaires de Paris-Seine-Saint-Denis, Avenue du 14 juillet, 93140 Bondy, France.
• J Clin Anesth. 2016 Dec 1; 35: 551-559.

Study ObjectiveTo assess the stability of pharmaceutical suxamethonium (succinylcholine) solution for injection by validated stability-indicating chromatographic method in vials stored at room temperature.MethodsThe chromatographic assay was achieved by using a detector wavelength set at 218 nm, a C18 column, and an isocratic mobile phase (100% of water) at a flow rate of 0.6 mL/min for 5 minutes. The method was validated according to the International Conference on Harmonization guidelines with respect to the stability-indicating capacity of the method including linearity, limits of detection and quantitation, precision, accuracy, system suitability, robustness, and forced degradations.ResultsLinearity was achieved in the concentration range of 5 to 40 mg/mL with a correlation coefficient higher than 0.999. The limits of detection and quantification were 0.8 and 0.9 mg/mL, respectively. The percentage relative standard deviation for intraday (1.3-1.7) and interday (0.1-2.0) precision was found to be less than 2.1%. Accuracy was assessed by the recovery test of suxamethonium from solution for injection (99.5%-101.2%).ConclusionStorage of suxamethonium solution for injection vials at ambient temperature (22°C-26°C) for 17 days demonstrated that at least 95% of original suxamethonium concentration remained stable.Copyright © 2016 Elsevier Inc. All rights reserved.

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