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- W2283390798 abstract "The present involves enhancement of solubility of cinnarizine through designing stable nanosuspensions with an aim to overcome its erratic bioavailability. Powdered nanosuspensions were obtained through controlled precipitation-ultrasonication followed by freeze drying. The formulations were suitably stabilized with poly vinyl alcohol (PVA). We found out the effects of PVA concentration, time of ultrasonication and solvent-antisolvent ratio on various responses in the fabricated Cinnarizine (CIN) nanosuspension (NCIN) through characterization of particle size and zeta potential determination, Differential Scanning Calorimetry (DSC) and X-ray diffraction (XRD). Percent drug content, drug dissolution and saturation solubility were performed to establish the role of process parameters on them. The best set of parameters to get the least particle diameter of 621.08 nm are 0.2% W/V, 15 minutes and 1:40 for PVA concentration, time of ultrasonication and solventantisolvent ratio respectively. The percent dissolution and saturation solubility of NCIN markedly increased with decrease in particle size as compared to the original CIN powder. DSC study showed that there was no interaction occurred between drug and excipients in the final formulation and XRD studies suggested that there was negligible crystalline change in NCIN compared with CIN raw crystals. The nanosuspensions had shown 99.98% drug release in just three minutes. Hence nanosuspensions of cinnarizine had been formulated successfully with high dissolution velocity to eradicate solubility related bioavailability problem." @default.
- W2283390798 created "2016-06-24" @default.
- W2283390798 creator A5030374653 @default.
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- W2283390798 date "2017-02-13" @default.
- W2283390798 modified "2023-09-23" @default.
- W2283390798 title "FABRICATION OF CINNARIZINE NANOSUSPENSIONS BY ULTRASONICATION TECHNIQUE: A SYSTEMATIC STUDY OF FORMULATION PARAMETERS ON PARTICLE SIZE AND IN-VITRO DISSOLUTION" @default.
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