Amorphous solid dispersions (ASDs) are frequently employed to improve the bioavailability of poorly soluble molecules by enhancing the rate and extent of dissolution in the drug product development process. These systems comprise an amorphous active pharmaceutical ingredient stabilized by a polymer matrix to provide enhanced stability.

Amorphous products, particularly ASDs, are currently the most emerging area in the pharmaceutical field. This strategic approach presents a huge impact and advantageous features concerning the overall improvement of drug product performance in clinical settings, which ultimately leads to drug product approval by leading regulatory agencies into the market.

In this patent by Biophore India Pharmaceuticals Pvt. Ltd. the combination of cyclodextrin and amorphous solid dispersion is discussed.

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Espacenet – A NOVEL PROCESS FOR THE PREPARATION OF AMORPHOUS SOLID DISPERSION OF 1-{3-[3-(4-CHLOROPHENYL) PROPOXY] PROPYL} PIPERIDINE, HYDROCHLORIDE WITH HYDROXYPROPYL BETA-CYCLODEXTRIN (HPβCD)