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Variability in near-infrared spectra of meropenem samples was detected both within and between manufacturing lots. This suggests potential issues with the drug

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Area of Science:

  • Pharmaceutical Science
  • Analytical Chemistry

Background:

  • Meropenem for Injection, USP is a sterile powder for intravenous administration.
  • Ensuring consistent drug quality is critical for patient safety and therapeutic efficacy.

Purpose of the Study:

  • To investigate variability in the near-infrared (NIR) spectra of meropenem samples.
  • To assess potential deviations in the manufacturing process based on spectral data.

Main Methods:

  • Utilized near-infrared spectroscopy to analyze meropenem vials.
  • Employed statistical analysis, including principal component analysis (PCA) and the BEST metric.
  • Assessed inter-lot variability using a spectral library of 90 meropenem vials from 15 lots.

Main Results:

  • Significant variability was observed in NIR spectra, both within individual lots and between different lots.
  • One vial showed a deviation of 12.0 standard deviations (SDs) within a lot.
  • Eight vials exceeded 3 SDs from the library center between lots, with one being 6.1 SDs away.

Conclusions:

  • The detected spectral variability suggests that the meropenem manufacturing process may have operated outside of a state of process control.
  • Further investigation into manufacturing controls is warranted to ensure consistent meropenem quality.