The Use of Phospholipids to Make Pharmaceutical Form Line Extensions

This review describes the use of phospholipid excipients to make Pharmaceutical Form (Dosage Form) Line Extensions of existing drugs as part of a Product Life Cycle Management. We provide product examples and development candidates, which show the versatility of phospholipids as key excipients in formulations to develop line extension drug products for any administration route by reformulating existing products. The resulting products enable the application of a drug substance for another administration route or show an increased efficacy and/or reduced toxicity of the formulated drug substances, or enable a more convenient use, through reduction of dosing frequency, or adapt a product for regulatory requirements for specific patient populations. The patents related to the product examples are used to protect the substantially improved products. Parenteral line extensions for lipophilic drugs using non‐toxic phospholipid‐based solubilising formulations are clearly an alternative to products with solubilising synthetic detergents with the risk for allergic and anaphylactic reactions.

Practical Application: This review draws the attention to academic and industrial formulation scientist to consider using phospholipid excipients to reformulate existing products to improve the product properties by an active product life cycle management. Phospholipids are suitable for this purpose because they are biocompatible, biodegradable, non‐toxic, and available at large scale and of pharmaceutical grade. Besides, they are well known to regulatory authorities.

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Article information: van Hoogevest, P., Tiemessen, H., Metselaar, J.M., Drescher, S. and Fahr, A. (2021), The Use of Phospholipids to Make Pharmaceutical Form Line Extensions. Eur. J. Lipid Sci. Technol.. Accepted Author Manuscript 2000297. https://doi.org/10.1002/ejlt.202000297