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A UPLC method development and validation study of Upadacitinib and its impurities in extended – release oral tablet dosage forms - 30/08/24

Une étude de développement et de validation de la méthode UPLC de dosage de l’Upadacitinib etd e ses impuretés dans des formes posologiques de comprimés oraux à libération prolongée

Doi : 10.1016/j.pharma.2024.03.007 
Rajya Lakshmi Nimmagadda, Sowjanya Gummadi
 GITAM School of Pharmacy, GITAM (Deemed to be University), Rushikonda, Visakhapatnam 530045, Andhra Pradesh, India 

Corresponding author.

Graphical abstract

Graphical abstract for the proposed method.

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Highlights

An isocratic UPLC-PDA method was developed for Upadacitinib and its impurities 1 and 2 using BEH C18 (50×2.1mm, 1.7μ) column, acetonitrile: methanol: 0.1% v/v trifluoro acetic acid (50:20:30 v/v/v) mobile phase at 0.2mL/min flow rate maintaining a run time of 5.5min at 231.2nm.
Validation done for the optimized method showed that all the parameters complied with the acceptance criteria of the international council for harmonization Q2 guidelines.
Stress testing confirmed that the method was stability – indicating having negligible % degradation occurred in acid, alkali, oxidation, and thermal conditions. Degradants were not developed in the case of hydrolysis and photolytic conditions.

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Summary

Objective

The primary objective was to develop a concomitant isocratic ultra-performance liquid chromatographic photo-diode array detection method to estimate Upadacitinib and its process-related impurities: impurity-1 and impurity-2. Further validation was conducted and studied for possible degradants under stress environments.

Materials and methods

All the chemicals and reagents used were of HPLC (acetonitrile, methanol) and analytical grade (trifluoro acetic acid). The ultra-performance liquid chromatography (Agilent 1290 Infinity II LC system) consists of a quaternary pump, a BEH C18 (50×2.1mm, 1.7μ) column, and photo-diode array detector. The method was developed with acetonitrile: methanol: 0.1% v/v trifluoro acetic acid (50:20:30 v/v/v) mobile phase at 0.2mL/min flow rate within a run time of 5.5min The detection was carried at 231.2nm.

Results

The respective retention times achieved were 2.289min (Upadacitinib), 0.972min (Upadacitinib impurity-1), and 3.508min (Upadacitinib impurity-2). The optimized method was validated further, and the linearity range was best fit at 15.0–180.0μg/mL for Upadacitinib and 1.0–12.0μg/mL for both Upadacitinib impurity-1 and 2 respectively. The detection and quantification limits were 4.50μg/mL, 15.00μg/mL (Upadacitinib) and 0.30μg/mL, 1.0μg/mL (Upadacitinib impurity-1 and 2).

Conclusion

A fast, isocratic, specific, and reproducible ultra-performance liquid chromatographic method was developed and validated for various parameters according to the ICH Q2 (R1) guidelines studies. Stress studies were conducted exposing the sample dilution to various treatments (acid, alkali, peroxide, HPLC water, heat, and UV light). The degradants were well-separated apart from the peaks of the active substance. The stability indicating nature was observed during the degradation. The optimized method can be applied for the separation and estimation of Upadacitinib and its process-related impurities in pharma sector in tablet dosage forms.

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Résumé

Objectif

L’objectif principal était de développer une méthode de détection concomitante par chromatographie liquide ultra-performante par réseau de photodiodes isocratiques pour estimer l’Upadacitinib et ses impuretés liées au processus: impureté-1 et impureté-2. Une validation plus approfondie a été menée et étudiée pour d’éventuels dégradants dans des conditions de stress.

Matériels et méthodes

Tous les produits chimiques et réactifs utilisés étaient de qualité HPLC (acétonitrile, méthanol) et analytique (acide trifluoroacétique). La chromatographie liquide ultra-performante (système LC Agilent 1290 Infinity II) se compose d’une pompe quaternaire, d’une colonne BEH C18 (50×2,1mm, 1,7μ) et d’un détecteur à barette de photodiodes. La méthode a été développée avec de l’acétonitrile: méthanol: 0,1 % v/v d’acide trifluoroacétique (50:20:30 v/v/v) en phase mobile à 0,2mL/min débit sur une durée de fonctionnement de 5,5min. La détection a été réalisée à 231,2nm.

Résultats

Les temps de rétention respectifs obtenus étaient de 2,289min (Upadacitinib), 0,972min (impureté Upadacitinib-1) et 3,508min (impureté Upadacitinib-2). La méthode optimisée a été validée davantage et la plage de linéarité a été respectée de 15,0μg/mL à 180,0μg/mL pour l’Upadacitinib et de 1,0 à 12,0μg/mL pour les impuretés Upadacitinib-1 et 2 respectivement. Les limites de détection et de quantification étaient de 4,50μg/mL, 15,00μg/mL (Upadacitinib) et 0,30μg/mL, 1,0μg/mL (Upadacitinib impureté 1 et 2).

Conclusion

Une méthode de chromatographie liquide ultra-performante rapide, isocratique, spécifique et reproductible a été développée et validée pour divers paramètres selon les études des lignes directrices ICH Q2 (R1). Des études de dégradation forcée ont été menées en exposant la dilution de l’échantillon à divers traitements (acide, alcali, peroxyde, eau HPLC, chaleur et lumière UV). Les produits de dégradation étaient bien séparés des pics de substance active. La stabilité indiquant la nature a été observée lors de la dégradation. La méthode optimisée peut être appliquée pour la séparation et l’estimation de l’Upadacitinib en présence de ses impuretés liées au processus dans le secteur pharmaceutique sous forme de comprimés.

Il testo completo di questo articolo è disponibile in PDF.

Keywords : Concomitant, Isocratic, Ultra-performance liquid chromatographic, Upadacitinib, Process-related impurities, Photo-diode array detector, Degradants

Mots clés : Chromatographie liquide ultra-performante concomitante, Isocratique, Upadacitinib, Impuretés liées au procédé, Détecteur à réseau de photodiodes, Dégradants


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