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Original Research

Formulation and pharmacokinetic evaluation of a paclitaxel nanosuspension for intravenous delivery

, , , , &
Pages 1497-1507 | Published online: 13 Jul 2011

Figures & data

Table 1 The influence of different surfactants on the particle size, PI, and zeta potential of paclitaxel nanosuspension

Table 2 The influence of different surfactants on the stability of paclitaxel nanosuspension

Table 3 The influence of combinatorial surfactants on the size, PI, and zeta potential of paclitaxel nanosuspension

Figure 1 The influence of different ratios of poloxamer 188 and PEG-400 on the particle size.

Abbreviation: PEG-400, polyethylene glycol 400.

Figure 1 The influence of different ratios of poloxamer 188 and PEG-400 on the particle size.Abbreviation: PEG-400, polyethylene glycol 400.

Figure 2 The influence of different ratios of surfactant and paclitaxel on the size of nanoparticles.

Figure 2 The influence of different ratios of surfactant and paclitaxel on the size of nanoparticles.

Figure 3 The influence of homogenization pressure and cycle number on the particle size of nanosuspension.

Figure 3 The influence of homogenization pressure and cycle number on the particle size of nanosuspension.

Figure 4 The influence of homogenization pressure and cycle number on the PI of nanoparticles (standard deviation values are not reported).

Abbreviation: PI, polydispersity index.

Figure 4 The influence of homogenization pressure and cycle number on the PI of nanoparticles (standard deviation values are not reported).Abbreviation: PI, polydispersity index.

Figure 5 Transmission electron microscopy of paclitaxel nanosuspension. Magnification: 10,000×.

Figure 5 Transmission electron microscopy of paclitaxel nanosuspension. Magnification: 10,000×.

Figure 6 Differential scanning capacity thermography. (A) Raw material of paclitaxel. (B) Paclitaxel nanosuspension.

Figure 6 Differential scanning capacity thermography. (A) Raw material of paclitaxel. (B) Paclitaxel nanosuspension.

Figure 7 Dissolution profiles of paclitaxel from PTX-NO and PTX-INJ into mice at a dose of 10 mg paclitaxel/kg.

Note: Data are mean ± standard deviation, n = 3.

Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.

Figure 7 Dissolution profiles of paclitaxel from PTX-NO and PTX-INJ into mice at a dose of 10 mg paclitaxel/kg.Note: Data are mean ± standard deviation, n = 3.Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.

Table 4 Pharmacokinetic parameters in rats after intravenous injection of PTX-NO and PTX-INJ (n = 6)

Figure 8 The curves of the mean plasma drug concentration versus time in rats after intravenous injection of PTX-NO and PTX-INJ.

Note: Data are mean ± standard deviation, n = 3.

Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.

Figure 8 The curves of the mean plasma drug concentration versus time in rats after intravenous injection of PTX-NO and PTX-INJ.Note: Data are mean ± standard deviation, n = 3.Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.

Table 5 AUC values in various tissues after intravenous injection of PTX-NO and PTX-INJ into the mice

Figure 9 Tissue distribution curves of PTX-NO and PTX-INJ after 10 mg paclitaxel/kg intravenous injection in mice.

Note: Data are mean ± standard deviation, n = 3.

Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.

Figure 9 Tissue distribution curves of PTX-NO and PTX-INJ after 10 mg paclitaxel/kg intravenous injection in mice.Note: Data are mean ± standard deviation, n = 3.Abbreviations: PTX-INJ, paclitaxel injection; PTX-NO, paclitaxel nanosuspension.