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A validated stability-indicating RP-HPLC assay method for Amsacrine and its related substances.

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A validated stability-indicating HPLC method quantifies Amsacrine and its impurities. This method is crucial for ensuring Amsacrine

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Area of Science:

  • Analytical Chemistry
  • Pharmaceutical Analysis

Background:

  • Amsacine is an important chemotherapeutic agent.
  • Ensuring the quality and stability of Amsacine is critical for patient safety.
  • Existing analytical methods may not adequately assess Amsacine's stability and impurity profile.

Purpose of the Study:

  • To develop and validate a stability-indicating reversed-phase high-performance liquid chromatography (RP-HPLC) method.
  • To quantitatively determine Amsacine and its related substances, including degradation products and process impurities.
  • To assess the stability of Amsacine under various stress conditions.

Main Methods:

  • Forced degradation studies were conducted on Amsacine bulk samples under ICH-prescribed stress conditions (acid, base, oxidative, thermal, photolytic).
  • A reversed-phase high-performance liquid chromatography method was developed and optimized using an Inertsil ODS column and a specific mobile phase gradient.
  • Method validation was performed according to International Conference on Harmonisation (ICH) guidelines.

Main Results:

  • The developed HPLC method demonstrated good resolution between Amsacine, its impurities, and degradation products.
  • Significant degradation was observed under basic hydrolysis, with slight degradation under oxidative and thermal stress.
  • Mass balance ranged from 99.4% to 99.9%, confirming the method's stability-indicating nature.

Conclusions:

  • The validated stability-indicating HPLC method is suitable for the quantitative determination of Amsacine and its related substances.
  • The method can be effectively used for quality control of Amsacine bulk samples at batch release and during stability studies.
  • This analytical approach ensures the safety and efficacy of Amsacine formulations.