A new MS compatible HPLC-UV method for Teicoplanin drug substance and related impurities, part 1: Development and validation studies
2019
Abstract Teicoplanin is a glycopeptide antibiotic prepared by fermentation from cultures of Actinoplanes teichomyceticus , used as drug of last resort for the treatment of bacterial infections in humans. This study, which is the first in a series of two parts, describes the development of a LC method for the separation of Teicoplanin drug substance and its related impurities compatible with MS detection. The separation conditions for Teicoplanin were set on a LiChrospher 100 RP-18 column under gradient elution with a mobile phase composed of ammonium formate 25 mM at pH 6.00 and ACN. The new method was shown equivalent in terms of selectivity to the one reported in the European Pharmacopoeia Teicoplanin monograph, and was validated according to ICH Q2 R1 guidelines for the drug substance assay. The new method offers similar performance to the compendial one but has the advantage of being fully compatible with MS and it can be proposed as a useful tool also for controlling the quality of Teicoplanin fermentation batches and the occurrence of potential impurities.
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