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Prediction of tablet weight variability in continuous manufacturing.
Sonia M Razavi1, James Scicolone1, Ronald D Snee2
1Engineering Research Center for Structured Organic Particulate Systems (C-SOPS), Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA.
Predict tablet weight variability in direct compaction continuous manufacturing. Key material attributes like cohesion, bulk density, and particle size significantly impact tablet weight consistency.
Area of Science:
- Pharmaceutical Technology
- Chemical Engineering
- Materials Science
Background:
- Tablet weight variability is a critical quality attribute in pharmaceutical manufacturing.
- Direct compaction continuous manufacturing offers efficiency but requires robust process control.
- Predictive models are needed to ensure formulation suitability for continuous manufacturing.
Purpose of the Study:
- To develop a predictive method for tablet weight variability.
- To identify key material attributes influencing tablet weight variability.
- To assess formulation suitability for direct compaction continuous manufacturing.
Main Methods:
- Preparation of diverse powder blends with varying material properties.
- Statistical analysis to identify significant factors affecting tablet weight variability.
- Development and validation of a response surface model.
Main Results:
- Cohesion, bulk density, and particle size were identified as the most significant material attributes.
- These attributes sufficiently explained tablet weight variability within the studied design space.
- A validated response surface model demonstrated predictive capability.
Conclusions:
- A formulation-independent model can predict tablet weight variability.
- Key material attributes are crucial for successful direct compaction continuous manufacturing.
- The model can be expanded to incorporate additional blend properties and processing parameters.
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