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Risk assessment of visible tablet surface defects by sticking/picking during tableting
  • Current research projects
    • Laser diffraction for particle size determination of Inhalanda and other fine aerosols (VENHALER)
    • Influence of compaction kinetics on material deformation and product properties
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    • Model-based analysis of process chains for the manufacturing of solid pharmaceuticals using agent-based simulation
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    • Risk assessment of visible tablet surface defects by sticking/picking during tableting
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Risk assessment of visible tablet surface defects by sticking/picking during tableting

Risk assessment of visible tablet surface defects by sticking/picking during tableting

Funded by: F. Hoffmann-La Roche Ltd

Contact person: Hasti Ghanadimaragheh

Summary of the overall Project:

Tablet surface defects, such as sticking and picking, result in significant challenges in pharmaceutical manufacturing. Sticking occurs when small amounts of formulation adhere to the tablet punches during compression. Picking, a specific form of sticking, takes place when material sticks in the embossed area of punches. These tablet surface defects not only compromise aesthetic quality, potentially undermining patient confidence, but also lead to dosage variability, excessive material waste, and unplanned process down-times for cleaning.
Numerous factors including punch geometry and coating, environmental conditions, material properties, and process parameters can influence sticking/picking phenomena during tableting. Whitin this project, a phase-appropriate risk assessment methodology will be developed to predict the risk for sticking/picking in tableting processes along the product development life cycle.

Goals and tasks at iPAT:

  • Development of an experimental set-up and methodology to quantify sticking/picking applying a Compaction Simulator
  • Systematic parameter studies
  • Numerical modeling for a quantitative understanding of stress distribution
  • Transferability studies to rotary presses
  • Establishment of phase-appropriate risk assessments of sticking/picking in drug product development
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