• Sneh Priya Department of Pharmaceutics, NGSM Institute of Pharmaceutical Sciences, Nitte University, Deralakatte, Mangalore 575018
  • Marina Koland Nitte University
  • Suchetha Kumari N Nitte University


Ropinirole hydrochloride, Solid lipid nanoparticles, Double emulsion method


Objective: The aim of the present study was to formulate and evaluate the Solid Lipid Nanoparticles (SLNs) of Ropinirole Hydrochloride (ROP).

Methods: ROP-loaded SLNs were prepared by a double emulsion method using glyceryl monostearate (GMS) as lipid and soya lecithin as a stabilizer. All formulated ROP-loaded SLNs were characterized for its particle size and size distribution, zeta potential, % Entrapment Efficiency (EE) and drug loading. The formulations were optimized in terms of GMS to soya lecithin ratio and sonication time of primary emulsion. Shape and surface morphology of the optimized formulation was studied using optical microscopy and scanning electron microscopy. In vitro and ex vivo Study of optimized formulation was also performed and compared with a pure drug solution.

Results: The particle size and polydispersity index (PDI), zeta potential and EE of optimized formulation were found to be 320±5.15 nm, 0.260±0.012,-37.9±1.43, 56.13±2.33% respectively. In vitro and ex vivo permeation study revealed that percentage cumulative drug release of optimized formulation was found to be 58.45±1.75% and 53.75±1.34 % respectively in 24 h and more than 90% drug release from pure drug solution was found to be within 6 h. Drug release from the formulation is sustained as compared to the plain drug solution which release 97.74 % (in vitro) and 88.15 % (ex vivo) of the drug within 6 h.

Conclusion: From the results, it concludes that drug released from SLNs follows sustained release pattern and it will enhance the overall activity of the drug.



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How to Cite

Priya, S., M. Koland, and S. K. N. “FORMULATION AND CHARACTERIZATION OF ROPINIROLE HYDROCHLORIDE LOADED SOLID LIPID NANOPARTICLES”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 9, Sept. 2015, pp. 85-89,



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