Evaluation of fast disintegrating lansoprazole tablet in human subjects.

Abstract:

:Fast disintegrating lansoprazole tablet (LFDT) has been developed as a multiple unit formulation and evaluated using human subjects as compared to the conventional lansoprazole (LPZ) capsule containing enteric coated granules. Twelve healthy male volunteers, who were confirmed as extensive metabolizers (EMs) based on the plasma levels of LPZ sulphone metabolite, were enrolled into the study and genotype of CYP2C19 was confirmed. They kept 30 mg LFDT in their mouths for 2 min and the saliva was recovered without swallow. Eight subjects did not show LPZ in their serum after intake. Although LPZ was detected in 4 subjects' serum, their concentrations were less than 5 ng/mL. LPZ was thought to be not absorbed from the oral cavity. LFDT was orally administered to 12 healthy male EMs at two doses, 15 mg and 30 mg, and serum LPZ concentrations were measured. The mean C(max) and AUC(0-24) were 474.1+/-254.0 ng/mL and 1105.3+/-1101.4 ng.h/mL (15 mg) and 992.8+/-384.3 ng/mL and 2216.5+/-1270.1 ng.h/mL (30 mg). By comparing to that obtained after oral administration of the same doses of LPZ capsule, serum LPZ concentration vs. time curve was almost the same level, i.e., C(max) and AUC(0-24) did not have significant differences. From these results, LFDT has been shown to be equivalent to LPZ capsule and will show the same acid suppressing effects in the clinical situation.

authors

Iwasaki K,Yoshikawa Y,Shibata N,Takada K,Sakurai Y,Takagi N,Irie S,Nakamura K

doi

10.2133/dmpk.19.227

subject

Has Abstract

pub_date

2004-06-01 00:00:00

pages

227-35

issue

3

eissn

1347-4367

issn

1880-0920

pii

JST.JSTAGE/dmpk/19.227

journal_volume

19

pub_type

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