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Table 2 Formulation variables of controlled porosity osmotic pump tablet

From: Development and evaluation of controlled porosity osmotic pump for Nifedipine and Metoprolol combination

Coating

components

Formulation code

 

CF1

CF2

CF3

CF4

CF5

CF6

CF7

CFW

CA (% w/v)

4

4

4

4

4

4

4

4

PVP (% w/w of CA)

30

40

50

-

-

-

 

0

PEG 400 (% w/w of CA)

-

-

-

40

 

40

40

-

HPMC (% w/w of CA)

-

-

-

-

40

-

-

-

Thickness (%)

8

8

8

8

8

12

15

8

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Lipids in Health and Disease

ISSN: 1476-511X