NICLOSAMIDE FORMULATIONS FOR USE AS CONTRACEPTIVE

    公开(公告)号:WO2021168328A1

    公开(公告)日:2021-08-26

    申请号:PCT/US2021/018880

    申请日:2021-02-19

    Abstract: A formulation comprising an amount of niclosamide and one or more of a humectant, a lubricant, a solvent, an osmolality modulator, a pH modulator, a viscosity modulator, a preservative, or combinations thereof. Said formulation for use in promoting contraception, comprising administering an effective amount of the formulation to the subject, wherein, upon contacting a sperm cell, the formulation inhibits or decreases one or more of sperm motility, sperm viability, and sperm metabolism, thereby decreasing the probability of conception. A method of making said formulation, comprising: a) combining niclosamide with PEG-400 in a first vessel to form a solution; b) combining benzoic acid and/or benzyl alcohol with the solution of (a); c) combining water, sodium chloride, citric acid, lactic acid, potassium tartrate and carbopol 980 in a separate vessel to form an aqeous fraction; d) combining the aqueous fraction of (c) with the PEG fraction of (b); e) adding sodium hydroxide to the mixture of (d) to adjust the pH; f) optionally adding water to the mixture of (e); and g) mixing the mixture of (e) or (f) till a homogenous mixture is obtained.

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