Abstract: The present invention relates to a method for granulating an amphiphilic active ingredient or a pharmaceutically acceptable salt thereof, comprising a step for coating the active ingredient in a polar aprotic solvent in the presence of a polymer binder to obtain a granule.

Abstract: The invention concerns an injectable galenic formulation for use in a diagnosis or a photodynamic therapy and the method for preparing same. The formulation contains: a compound of general formula (I), wherein: R2 represents a H, OH or COOR4 group, where R4 is a hydrogen or an C1-C12 alkyl or a C3-C12 cycloalkyl; R3 represents H, OH or a C1-C12 alkyl or alkoxy; and * represents an asymmetric carbon in the form of an alkali metal salt in an amount not exceeding 10 mg/ml, as photosensitizing agent, and a carrier in aqueous phase containing at least a benzyl alcohol-ethanol mixture or propylene glycol as solubilizing agent for the photosensitizing agent and a surfactant in an amount not exceeding 20 wt. % relative to the total weight of the formulation.