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    Suppositories

    BASF offers a variety of matrix builders, solvents and emulsifiers suitable for suppositories.

    Suppositories are an excellent dosage form for rectal and vaginal applications. Some of the advantages of suppositories include:

    • The API can be rapidly absorbed through colonic or vaginal mucosal membranes
    • The API is not exposed to digestive system or hepatic metabolism.

    Important characteristics for suppositories include (1) hardness (for proper handling and delivery), (2) shape (for comfortable insertion and retention), (3) solubilization of drug in suppository matrix, and (4) rapid melting after application.

    Suppositories can be formed from waxy matter, structured glycerine or poloxamer-based mixtures. The composition is tuned so that the suppository is solid at ambient temperature but rapidly melts at body temperature. Emulsifiers may be used to increase the solubility of the API in the suppository mass and also accelerate the dispersal of the API after the suppository melts.

    Benefits
    Broad range of matrix builders, solubilizers and emulsifiers for suppositories
    Extensive expertise and understanding of topical products
    Meets the highest regulatory and quality requirements

    Functional excipients for suppositories include:

    Solvents

    Suppositories are composed of a balance of solid, higher melting point material combined with lower melting point fluids. The solvents may be hydrophilic (e.g. polyethylene glycols, propylene glycol, etc.) or hydrophobic (e.g. medium chain triglycerides, etc.)

     

    Matrix builders

    These excipients help forming the solid structure in suppositories, and which will melt at body temperature. In hydrophilic suppositories this may be poloxamers or higher melting point polyethylene glycols (i.e. Kollisolv® PEG 1450 or Kollisolv® PEG 8000). In hydrophobic suppositories this may be fatty acids or fatty alcohols and/or blends of these.

    Emulsifiers

    These excipients can aid in the dispersal of suppository solids and oils after the suppository melts and disassembles in the application site.



     

    Learn more about our solutions for suppository formulations

    Product Overview

    Focusing on your needs with platform solutions

    This brochure also features BASF's portfolio for suppositories and Skin Delivery. It presents an overview of our leading-edge products, grouped in the following platforms: Instant and Modified Release, Solubilization, Skin Delivery, and Softgels.

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    Looking for application guides, technical and scientific posters, brochures or technical information? Visit our Download Center.

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