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Analytical profile of moxidectin.
Atul Awasthi1, Majid Razzak, Raida Al-Kassas
1School of Pharmacy, The University of Auckland, Auckland, New Zealand.
Summary
Moxidectin, a potent antiparasitic drug, undergoes comprehensive analysis of its physicochemical properties, stability, and impurity profiles. This study aids in ensuring drug quality and developing stable formulations for effective parasite control.
Area of Science:
- Pharmaceutical Sciences
- Veterinary Parasitology
Background:
- Moxidectin is a potent endectocide derived from nemadectin, effective against various animal parasites.
- Its novel mode of action targets a broad spectrum of nematode and arthropod pests.
Purpose of the Study:
- To comprehensively describe the physicochemical and pharmaceutical properties of moxidectin.
- To evaluate the stability, impurity profile, and degradation pathways of moxidectin.
- To inform the development of stable and effective moxidectin formulations.
Main Methods:
- Literature review and analysis of physicochemical data.
- Examination of stability, semisynthesis, purification, and formulation aspects.
- Utilized techniques such as Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), and CHN analysis.
- Investigated impurity profiles and degradation pathways.
Main Results:
- Detailed profile of moxidectin's physicochemical and pharmaceutical characteristics.
- Identified that most European Pharmacopeia (EP) impurities do not require stability monitoring.
- Highlighted the need for further impurity characterization and stability-indicating methods.
Conclusions:
- The study provides a comprehensive overview of moxidectin's properties, crucial for quality control.
- Findings suggest that certain impurities in the EP monograph may not necessitate routine stability monitoring.
- Emphasizes the need for advanced methods to distinguish process impurities from degradation products for improved drug safety and formulation development.
