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In the realm of solid dosage forms, HPMC acts as a crucial component in controlled-release matrices. Tablets containing HPMC can be engineered to release active pharmaceutical ingredients gradually over an extended period, maintaining therapeutic levels of medication in the body and reducing the need for frequent dosing. The rate of drug release from these matrices is influenced by factors such as HPMC viscosity grade, the ratio of hydroxypropyl to methyl substitution, and the manufacturing process.

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cellulose


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