Stable, compounded bedaquiline suspensions to support practical implementation of pediatric dosing in the field

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Abstract

BACKGROUND: Bedaquiline (BDQ) tablets are indicated as part of a combination regimen for the treatment of multidrug-resistant TB in adults, adolescents and children. A dispersible tablet formulation is now approved but is not currently available in all settings. The aim of this study was to develop stable extemporaneous liquid formulations of BDQ that can be stored at room temperature or 308C for several weeks, to support pragmatic pediatric dosing in the field and reduce wastage. METHODS: BDQ tablets were suspended in simple syrup and a sugar-free vehicle. Each 20 mg/mL formulation was stored at room temperature or 308C for 30 days in amber dispensing bottles. Appearance, BDQ potency, pH and microbial counts were determined on Days 0, 15 and 30. R E S U L T S: The BDQ potency in both formulations remained at 98–101% of the theoretical concentration for 30 days. The appearance, pH and microbial count of sugar-free formulation did not change during the 30-day storage. The simple syrup formulation was stable for 15 days as microbial growth was observed on Day 30. CONCLUSIONS: BDQ may be prepared in syrup or sugar-free suspensions: syrup suspensions can be stored for 15 days at room temperature and 30C, whereas sugar-free suspensions can be stored for 30 days at room temperature and 30C. This information will support practical BDQ dosing for children in the field.

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Taneja, R., Nahata, M. C., Scarim, J., Pande, P. G., Scarim, A., Hoddinott, G., … Hesseling, A. C. (2023). Stable, compounded bedaquiline suspensions to support practical implementation of pediatric dosing in the field. International Journal of Tuberculosis and Lung Disease, 27(3), 189–194. https://doi.org/10.5588/ijtld.22.0440

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