Systematic development of a high dosage formulation to enable direct compression of a poorly flowing API: A case study.

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ID: 2738
2019
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Ranked #103 of 245 articles by views in International journal of pharmaceutics

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Abstract
In this work, the transfer of oral solid dosage forms, currently manufactured via wet granulation, to a continuous direct compression process was considered. Two main challenges were addressed: (1) a poorly flowing API (Canagliflozin) and (2) high drug loading (51 wt%). A scientific approach was utilised for formulation development, targeting flow and compaction behaviour suitable for manufacturing scale. This was achieved through systematic screening of excipients to identify feasible formulations. Targeted design of experiments based on factors such as formulation mixture and processing parameters were utilised to investigate key responses for tablet properties, flow and compaction behaviour. Flow behaviour was primarily evaluated from percentage compressibility and shear cell testing on a powder flow rheometer (FT4). The compaction behaviour was studied using a compaction simulator (Gamlen). The relationships between tablet porosity, tensile strength and compaction pressure were used to evaluate tabletability, compactibility and compressibility to assess scale-up. The success of this design procedure is illustrated by scaling up from the compaction simulator to a Riva Piccola rotary tablet press, while maintaining critical quality attributes (CQAs). Compactibility was identified as a suitable scale-up relationship. The developed procedure should allow accelerated development of formulations for continuous direct compression.
Reference Key
schaller2019systematicinternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Schaller, Barbara E;Moroney, Kevin M;Castro-Dominguez, Bernardo;Cronin, Patrick;Belen-Girona, Jorge;Ruane, Patrick;Croker, Denise M;Walker, Gavin M;
Journal International journal of pharmaceutics
Year 2019
DOI
S0378-5173(19)30438-7
URL
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