Table 1 CCD was used to optimize the PD-NLCs.

From: Design, development, and preclinical evaluation of pirfenidone-loaded nanostructured lipid carriers for pulmonary delivery

Parameter

Low (-1)

Medium (0)

High (+ 1)

Independent variables

 X1 (% w/v)

6

8

10

 X2 (% w/v)

0.5

0.75

1.5

 X3 (min)

10

20

30

Dependent variables

 Y1 (nm)

159.8 ± 3.46

520.6 ± 11.29

 Y2 (%)

40.5 ± 3.1

81.4 ± 7.1

 Zeta potential

-11.6 ± 0.26

-32.5 ± 0.64

 Drug Loading

6.59 ± 0.9

15.62 ± 0.9

 PDI

0.13 ± 0.03

0.42 ± 0.61