VALIDATION OF THE SPECTROPHOTOMETRIC METHOD FOR COMPARATIVE EXTRACTION IN STUDYING THE DELIVERY OF TICAGRELOR VIA NASOGASTRAL TUBES in vitro
DOI:
https://doi.org/10.11603/2312-0967.2025.4.15683Keywords:
Keywords: ticagrelor, tablets, UV-spectrophotometry, validation, nasogastral tubeAbstract
The aim of the work. Validation of the spectrophotometric method for quantitative determination of ticagrelor, for studying the completeness of the degree of extraction, of the finished medicinal product Ticagrelor, film-coated tablets,
90 mg, according to the criteria specificity, accuracy, precision, linearity in the studied concentration range in accordance with the requirements of the State Pharmacopoeia of Ukraine. Monitoring the completeness of extraction of the generic and reference drug after delivery via a nasogastric tube to study bioequivalence.
Materials and methods. The study material is the study drug Ticagrelor film-coated tablets, 90 mg (manufacturer - SLC "INTERCHEM", Ukraine), the reference drug is BRILINTA, film-coated tablets, 90 mg (manufacturer - AstraZeneca AB). Working reference standard (WRS) of ticagrelor according to SP 007-090/RSS-08.1 (manufacturer - SLC "INTERCHEM", Ukraine).
pH meter SevenEasy (Mettler Toledo, China), electronic laboratory balance AUX220 (SHIMADZU, Japan), magnetic stirrer ARE (VELP Scientifica, Italy), spectrophotometer UV-2401 PC (Shimadzu), measuring laboratory glassware class A. Oral syringe - three-component disposable sterile polypropylene, nasogastric tube - polyvinyl chloride material, tube size – 8 French; internal diameter - 2.7 mm; length 1200 mm.
Results and discussion. To develop and validate a method for quantitative determination of ticagrelor, to study the completeness of the degree of extraction, the finished drug Ticagrelor, film-coated tablets, 90 mg, a band in the absorption electronic spectrum in the region from 210 nm to 400 nm at a wavelength of 300 nm was selected. The validation of the method was carried out according to the criteria of specificity, accuracy, precision, linearity in the studied concentration range in accordance with the requirements of the State Pharmacopoeia of Ukraine. The range of its application is within 80 - 120%. The method is specific and is characterized by proper accuracy and precision, as well as linear dependence in the studied concentration range, which allows it to be used to study the completeness of the degree of extraction of the drug when passing through a nasogastric tube. The enteral administration of the generic and reference drug was monitored to study bioequivalence.
Conclusions. A simple and rapid spectrophotometric method for the quantitative determination of ticagrelor was validated in the work. It was proven that the method is specific and characterized by proper accuracy and precision, as well as linear dependence in the studied concentration range, which allows it to be used to study the completeness of the degree of extraction of the drug when passing through an NG tube.
It was found that the generic and reference drugs are equivalent in terms of variability of the degree of extraction when delivered through an NG tube (more than 94% of ticagrelor is extracted after suspension in water and administration through an NG tube with a diameter of 8 French), and the risk of tube blockage or obstruction is low, as almost all suspended drug particles passed through the NG tube after drug delivery
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