Abstract
The present research aimed to develop & Evaluation of Lamivudine Nanosuspension. Lamivudine is a potent in vitro inhibitor of human immune deficiency virus belongs to the category of anti-retroviral drugs. The formulated Nanosuspension was subjected to various evaluation parameters like particle size, polydispersity index, zeta potential, drug content, viscosity, saturation solubility studies, In vitro release, treatment of kinetic data, and stability studies. The polydispersity ranged from 0.218 PDI to 0.331 PDI and zeta potential ranged from -1.60 mV to -4.79 mV are the important evaluation parameters are responsible for the stability of nanosuspensions. The Polydispersity index presents the quantity of particle size distribution ranges from 452.4 nm to 532.2 nm. In this result, LNSF4 shows spectacular drug content range of 86±1.8% to 97±2.5% it is the maximum drug content. The Brook field viscometer to determine the viscosity of Lamivudine Nano suspension of different formulations was found to be 44.4±2.1 cps to 87.7±1.4 cps. The general Nanosuspension formulations LNSF4 shows 98.64 % better controlled released in comparison with abundant formulation. In all the cases the best-fit model encounter uoto be peppas with ‘n’ value between 0.768 to 0.917. The ‘n’ value of formulation LNSF4 was 0.876 and suggesting so the drug was released by Zero-order kinetics. Acceleration stability studies intermediate storage condition has been changed from 30°C ± 2°C and 60% RH ± 5% Relative Humidity. After a 90 days study it revolves that there’s no change in Drug content, In vitro drug release, and particle size.
 Keywords: Lamivudine, Nanosuspension, Saturation solubility, Scanning Electron Microscopy, Stability study.
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