Design of experiments and white analytical chemistry-driven green and sensitive spectrofluorimetric estimation of pregabalin in its pharmaceutical dosage forms and spiked human plasma
Pintu Prajapati, Veera Shakar Pulusu, Shailesh Shah
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引用次数: 0
Abstract
Background
Pregabalin (PGB) is a medication with anticonvulsant, analgesic and anxiolytic properties, employed in the treatment of epilepsy, neuropathic pain, fibromyalgia, restless leg syndrome, opioid withdrawal syndrome and generalized anxiety disorder. Several spectrofluorimetric techniques have been documented for the determination of PGB in pharmaceutical dosage forms. However, these published methods typically involve the use of expensive and toxic organic solvents and reagents, as well as high reaction temperatures for PGB analysis. These components pose risks to aquatic life and the environment, making them less environmentally friendly and user-friendly. A recent advancement in analytical chemistry has introduced a white analytical approach, providing an economical, eco-friendly and user-friendly method for the development of analytical procedures.
Objectives
Therefore, a green and sensitive spectrofluorimetric determination of PGB, guided by white analytical chemistry principles, has been conducted utilizing distilled water as an environmentally friendly solvent.
Methods
The establishment of the spectrofluorimetric method involved employing the design of experiments approach to ensure a robust, precise and accurate estimation of PGB. Response surface analysis and optimization of critical procedural variables and responses were carried out using the central composite design. The validation of the developed method adhered to the guidelines outlined in ICH (International Council for Harmonization) Q2 (R1) and M10.
Results
The established spectrofluorimetric method was utilized to determine the PGB content in commercially available formulations and human plasma samples spiked with PGB. The obtained results were in accordance with the labeled claim of PGB in the formulations. The recovery of PGB in the spiked human plasma samples ranged from 85 to 90% of the spiked amount.
Conclusions
The greenness profiles of the published and suggested spectrofluorimetric methods for PGB estimation were evaluated and compared using the AGREE calculator, GAPI software and ESA tool. The suggested method demonstrated sensitivity, robustness, environmental friendliness and user-friendliness.
期刊介绍:
Future Journal of Pharmaceutical Sciences (FJPS) is the official journal of the Future University in Egypt. It is a peer-reviewed, open access journal which publishes original research articles, review articles and case studies on all aspects of pharmaceutical sciences and technologies, pharmacy practice and related clinical aspects, and pharmacy education. The journal publishes articles covering developments in drug absorption and metabolism, pharmacokinetics and dynamics, drug delivery systems, drug targeting and nano-technology. It also covers development of new systems, methods and techniques in pharmacy education and practice. The scope of the journal also extends to cover advancements in toxicology, cell and molecular biology, biomedical research, clinical and pharmaceutical microbiology, pharmaceutical biotechnology, medicinal chemistry, phytochemistry and nutraceuticals.