Abstract
The present study is targeted to formulate and prepare effervescent tablets of Glipizide to provide more elegancy, comfortability, and improved pharmacokinetics in diabetic treatment than the conventional dosage. Three formulations (F1, F2, and F3) of the effervescent tablet of Glipizide (5mg) were formulated with different amounts and ratios of excipients. By wet granulation technique, 60 tablets for every formulation were prepared with a weight of 700mg per tablet. Then, the features of both granules and tablets were evaluated by published methods. The angle of repose, Hausner ratio, Carr's index, Loss on drying (LOD), and Moisture Content (MC) used to measure granules property successfully proved right follow ability and compressibility. In contrast, physical and drug content related investigation failed to determine the perfectness of all three formulations. Friability on the formulations was around 0.70%, indicating the expected USP limit of friability (0.5 to 1%). The mean disintegration time of the formulations was from 95s to 105s. The tablet potency assay found 95.20% for F1, 88.80% for F2, and 97.40% for F3. The dissolution pattern of the drug followed a linear relationship with time. After one and a half hours, the highest amount of 59.20% cumulative dissolution was determined for F3 that revealed its strategic improvement of the drug solubility. As Glipizide is a poorly water-soluble drug, the effervescent tablet might mitigate disintegration and dissolution-related limitations and, consequently, enhance the drug's bioavailability.
Highlights
Effervescent tablets offer both qualities of solid and liquid dosage forms
Values of Loss on drying and Moisture content for F3 were smaller than the others in both cases
This study has successfully developed an effervescent tablet of Glipizide 5 mg that can disintegrate within two minutes, highly elegant to the patient with its taste and appearance, and meet other tableting parameters
Summary
Effervescent tablets offer both qualities of solid and liquid dosage forms. The tablets are dispersed and dissolved in water and administrate as a liquid It presents the drug as a palatable liquid form; it retains the advantage of a solid dosage form such as dose accuracy, long stability, and easy portability (Khan et al, 2014; Mohammed et al, 2016). This dosage form is becoming increasingly popular due to the ease of consumption. The preparation procedures should be carried out in a controlled environment for humidity and temperature (Khan et al, 2014; Josep et al, 2011; Osei-Yeboah et al, 2014)
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