Application of Polymer Combinations in Extended Release Hydrophilic Matrices

Ali Nokhodchi, Dasha Palmer, Kofi Asare-Addo, Marina Levina, Ali Rajabi-Siahboomi

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

6 Citations (Scopus)


Extended release (ER) oral dosage forms provide a number of therapeutic benefits (i.e. improved efficacy, reduced frequency of administration and better patient compliance) and retain market share. Due to the costs involved in discovering, developing, testing their safety and getting approval for new polymeric materials, a new focus has been directed towards the investigation of the use of pharmaceutically approved polymer blends as matrix formers. Combining polymers of different chemistries or viscosities has been studied extensively as a means of achieving and optimising extended drug release from hydrophilic matrices. The present chapter will discuss the potential use of binary blends of various polymers to achieve the desirable release profiles.
Original languageEnglish
Title of host publicationHandbook of Polymers for Pharmaceutical Technologies
Subtitle of host publicationVolume 1 Structure and Chemistry
EditorsVijay Kumar Thakur, Manju Kumari Thakur
Number of pages27
ISBN (Print)9781119041344
Publication statusPublished - Aug 2015


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