Hydroxypropyl
methylcellulose (HPMC-4000cps, fixed amount), various contents of calcium
hydroxide, stearyl alcohol, magnesium stearate, different drug: PVP ratios and
altered tablet hardness were used to design floating tablet formulation capable
to deliver glibenclamide in a sustained manner.
Both full
factorial and Box-Wilson designs, in consecutive manner, were used to investigate
for the influences of these formulation variables on the developed dosage
form performance and drug release.
Tablet hardness
has revealed an influential effect on tablet onset of floating, and drug
release was shown to be more evident in the initial phase (p<0.05).
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