Simultaneous Estimation of Dolutegravir Sodium, Emtricitabine, and Tenofovir Disoproxil Fumarate by UPLC

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Dr. Mukthinuthalapati Mathrusri Annapurna

Abstract

Introduction: A new reversed-phase ultra-fast liquid chromatography (RP-UPLC) method has been developed
for the simultaneous quantification of Dolutegravir sodium, Emtricitabine, and Tenofovir disoproxil fumarate.
Dolutegravir, Emtricitabine, and Tenofovir disoproxil fumarate are anti-retroviral drugs. Dolutegravir sodium is
an human immunodeficiency virus integrase inhibitor. Emtricitabine and Tenofovir disoproxil fumarate are reverse
transcriptase enzyme inhibitors. Materials and Methods: Shimadzu NexeraX2 Model UPLC system with PDA
detector and Shim-pack C18 column was employed for the chromatographic study. Mobile phase consisting of
0.1% Tri ethyl amine (Adjusted to pH 6.0 with ortho phosphoric acid): Acetonitrile (55: 45) was used with 1.0 mL/
min flow rate and UV detection at 260 nm. Results and Discussion: Beer-Lambert’s law was obeyed over the
concentration range 5–400, 2–150 and 5–500 μg/mL with linear regression equation y = 1211.7× + 506.73 (R²
= 0.9998), y = 3330.4×–1162.3 (R² = 0.9999), and y = 1262.7× + 990.03 (R² = 0.9998) for tenofovir disoproxil
fumarate, dolutegravir sodium, and emtricitabine, respectively, and the method was validated as per ICH guidelines.
The total run time was 5 min. The limit of quantitation values was found to be 1.9113, 4.8752, and 4.7654 μg/mL and
that of the limit of detection values 0.6287, 0.1598, and 0.1568 μg/mL for tenofovir disoproxil fumarate, dolutegravir
sodium, and emtricitabine respectively. The proposed RP-UPLC method is simple, precise, and accurate. This method
can be used for the regular analysis of pharmaceutical dosage forms. Conclusion: The proposed RP-UPLC method
is simple, precise, and accurate. This method can be used for the regular analysis of pharmaceutical dosage forms.

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How to Cite
Annapurna, D. M. M. . (2022). Simultaneous Estimation of Dolutegravir Sodium, Emtricitabine, and Tenofovir Disoproxil Fumarate by UPLC. Asian Journal of Pharmaceutics (AJP), 16(4). Retrieved from http://asiapharmaceutics.info/index.php/ajp/article/view/4623
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ORIGINAL ARTICLES