期刊
DRUG DELIVERY
卷 22, 期 6, 页码 765-784出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/10717544.2014.900154
关键词
Bioavailability; formulation by design; nanomedicine; SEDDS; self-emulsifying
资金
- University Grant Commission (UGC)
- All India Council of Technical Education (AICTE), New Delhi
Of late, solid self-nanoemulsifying drug delivery systems (5-5NEDDS) have been extensively sought-after owing to their superior portability, drug loading, stability and patient compliance. The current studies, therefore, entail systematic development, optimization and evaluation (in vitro, in situ and in vivo) of the solid formulations of (SNEDDS) lovastatin employing rational quality by design (QbD)-based approach of formulation by design (FbD). The patient-centric quality target product profile (QTPP) and critical quality attributes (CQAs) were earmarked. Preformulation studies along with initial risk assessment facilitated the selection of lipid (i.e. Capmul MCM), surfactant (i.e. Nikkol HCO-50) and co-surfactant (i.e. Lutrol F127) as CMAs for formulation of S-SNEDDS. A face-centered cubic design (FCCD) was employed for optimization using Nikkol-HCO50 (X1) and Lutrol-F127 (X2), evaluating CQAs like globule size, liquefaction time, emulsification time, MDT, dissolution efficiency and permeation parameter. The design space was generated using apt mathematical models, and the optimum formulation was located, followed by validation of the FbD methodology. In situ SPIP and in vivo pharmacodynamic studies on the optimized formulation carried out in unisex Wistar rats, corroborated superior drug absorption and enhanced pharmacodynamic potential in regulating serum lipid levels. In a nutshell, the present studies report successful QbD-oriented development of novel oral 5-5NEDDS of lovastatin with distinctly improved biopharmaceutical performance.
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