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Related Concept Videos

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Towards a real time release approach for manufacturing tablets using NIR spectroscopy.

Aude Pestieau1, Fabrice Krier1, Grégory Thoorens1

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Summary

Near-infrared spectroscopy (NIRS) effectively predicts paracetamol tablet quality, including content uniformity and hardness. This non-destructive method offers significant benefits for reducing batch release times compared to traditional Pharmacopoeia tests.

Keywords:
Blend uniformityNear-infrared spectroscopyProcess analytical technologyReal time releaseTablet testing

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Area of Science:

  • Pharmaceutical Technology
  • Analytical Chemistry
  • Spectroscopy

Background:

  • Ensuring pharmaceutical tablet quality requires rigorous testing against Pharmacopoeia standards.
  • Traditional methods for tablet quality control are often time-consuming and destructive.
  • Process Analytical Technology (PAT) offers potential for real-time quality assessment.

Purpose of the Study:

  • To evaluate Near-Infrared Spectroscopy (NIRS) as a Process Analytical Tool (PAT) for paracetamol tablet quality control.
  • To assess NIRS for predicting Pharmacopoeia test results (content uniformity, hardness, disintegration, friability).
  • To monitor in-line blend uniformity during tablet manufacturing.

Main Methods:

  • Paracetamol tablets were manufactured using direct compression with varying API concentrations and compaction pressures.
  • Near-infrared (NIR) transmission spectroscopy was employed for analysis.
  • Partial Least Squares (PLS) regression and K-Nearest Neighbors (KNN) algorithms were used for model development.
  • NIRS models were validated against European Pharmacopoeia reference methods.

Main Results:

  • NIRS models successfully predicted paracetamol tablet content uniformity and hardness with validated accuracy.
  • Robust and accurate NIRS models were developed for predicting disintegration time, indicated by low RMSEC and RMSEP values.
  • NIRS, utilizing KNN, effectively classified tablets for friability.
  • NIRS analysis accurately predicted overall tablet conformity.

Conclusions:

  • Near-infrared spectroscopy is a viable, non-destructive tool for real-time assessment of paracetamol tablet quality.
  • Implementing NIRS can significantly reduce batch release times by replacing lengthy Pharmacopoeia tests.
  • NIRS facilitates efficient in-line process monitoring and quality control in pharmaceutical manufacturing.