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A review of twin screw wet granulation mechanisms in relation to granule attributes

By Zhang, Yi; Liu, Tongzhou; Kashani-Rahimi, Shahab; Zhang, Feng

Published on

Abstract

Due to the trend of continuous pharmaceutical manufacturing, twin screw wet granulation (TSWG), a continuous process, has gained increased Research Article interest as a potential substitution of traditional batch granulation processes. Despite the complex nature of TSWG, its mechanisms have been gradually unveiled with the aid of innovative Research Article strategies. This review synthesizes these recent findings to provide a comprehensive and mechanistic understanding of TSWG. We explain the impact of screw profiles (i.e. conveying, kneading, turbine mixing, and screw mixing elements) and process conditions (i.e. screw speed, feed rate, and liquid-to-solid ratio) on TSWG mixing performance and granule growth along the barrel, both of which ultimately affect critical granule attributes such as content uniformity, size distribution, strength, and compaction properties.

Journal

Drug Development and Industrial Pharmacy. Volume 47, 3, 2021, 349-360

DOI

10.1080/03639045.2021.1879844

Type of publication

Peer-reviewed journal

Affiliations

  • University of Texas at Austin

Article Classification

Review article

Classification Areas

  • Oral solid dose

Tags