In situ intestinal permeability and in vivo oral bioavailability of celecoxib in supersaturating self-emulsifying drug delivery system
- Authors
- Song, Woo Heon; Yeom, Dong Woo; Lee, Dong Hoon; Lee, Kyung Min; Yoo, Hyun Joon; Chae, Bo Ram; Song, Seh Hyon; Choi, Young Wook
- Issue Date
- May-2014
- Publisher
- PHARMACEUTICAL SOC KOREA
- Keywords
- Celecoxib; SEDDS; Supersaturation; Soluplus; Intestinal permeability; Bioavailability
- Citation
- ARCHIVES OF PHARMACAL RESEARCH, v.37, no.5, pp 626 - 635
- Pages
- 10
- Journal Title
- ARCHIVES OF PHARMACAL RESEARCH
- Volume
- 37
- Number
- 5
- Start Page
- 626
- End Page
- 635
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/12271
- DOI
- 10.1007/s12272-013-0202-7
- ISSN
- 0253-6269
1976-3786
- Abstract
- In order to characterize the in situ intestinal permeability and in vivo oral bioavailability of celecoxib (CXB), a poorly water-soluble cyclooxygenase (COX)-2 inhibitor, various formulations including the self-emulsifying drug delivery system (SEDDS) and supersaturating SEDDS (S-SEDDS) were compared. The S-SEDDS formulation was obtained by adding Soluplus as a precipitation inhibitor to SEDDS, composed of Capryol 90 as oil, Tween 20 as surfactant, and Tetraglycol as cosurfactant (1:4.5:4.5 in volume ratio). An in situ single pass intestinal perfusion study in rats was performed with CXB-dissolved solutions at a concentration of 40 mu g/mL. The effective permeability (P-eff) of CXB in the control solution (2.5 v/v% Tween 20-containing PBS) was 6.39 x 10(-5) cm/s. The P-eff value was significantly increased (P < 0.05) by the lipid-based formulation, yielding 1.5- and 2.9-fold increases for the SEDDS and S-SEDDS solutions, respectively, compared to the control solution. After oral administration of various formulations to rats at the equivalent dose of 100 mg/kg of CXB, the plasma drug level was measured by LC-MS/MS. The relative bioavailabilities of SEDDS and S-SEDDS were 263 and 355 %, respectively, compared to the CXB suspension as a reference. In particular, S-SEDDS revealed the highest C-max and the smallest T-max, indicating rapid and enhanced absorption with this formulation. This study illustrates the potential use of the S-SEDDS formulation in the oral delivery of poorly water-soluble compounds.
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