In Vitro System to Evaluate Oral Absorption of Poorly Water-Soluble Drugs: Simultaneous Analysis on Dissolution and Permeation of Drugs

M Kataoka, Y Masaoka, Y Yamazaki, T Sakane… - Pharmaceutical …, 2003 - Springer
Purpose. The aim of the present work was to develop a new in vitro system to evaluate oral
absorption of poorly water-soluble drugs by utilizing Caco-2 monolayers. Methods. Caco-2 …

Site of drug absorption after oral administration: assessment of membrane permeability and luminal concentration of drugs in each segment of gastrointestinal tract

Y Masaoka, Y Tanaka, M Kataoka, S Sakuma… - European journal of …, 2006 - Elsevier
This study was conducted to assess the site of drug absorption in the gastrointestinal (GI)
tract after oral administration. Drug permeability to different regions of rat intestine, jejunum, …

Optimized conditions for prediction of intestinal drug permeability using Caco-2 cells

S Yamashita, T Furubayashi, M Kataoka… - European journal of …, 2000 - Elsevier
The effects of various experimental conditions on in vitro drug permeability to Caco-2 monolayers
were investigated to determine the optimized conditions for the prediction of intestinal …

Effect of food intake on the oral absorption of poorly water-soluble drugs: in vitro assessment of drug dissolution and permeation assay system

M Kataoka, Y Masaoka, S Sakuma… - Journal of pharmaceutical …, 2006 - Elsevier
The aim of the present work was to establish appropriate conditions for the dissolution/permeation
system (D/P system) to estimate the effect of food intake on oral drug absorption. The …

Coaxial electrospray formulations for improving oral absorption of a poorly water-soluble drug

…, M Yamamoto, Y Masaoka, M Kataoka… - Molecular …, 2011 - ACS Publications
Development of oral dosage forms containing poorly water-soluble drugs is a major challenge
in the pharmaceutical industry. This paper describes the use of coaxial electrospray …

Mechanisms of membrane transport of poorly soluble drugs: role of micelles in oral absorption processes

K Yano, Y Masaoka, M Kataoka, S Sakuma… - Journal of …, 2010 - Elsevier
Micelles formed in the GI tract by bile acid and lecithin play an important role in oral absorption
of poorly soluble drugs. In this situation, the drug molecules are present in equilibrium …

Application of dissolution/permeation system for evaluation of formulation effect on oral absorption of poorly water-soluble drugs in drug development

M Kataoka, K Sugano, C da Costa Mathews… - Pharmaceutical …, 2012 - Springer
Purpose The aim of the present study is to evaluate the formulation effect on the oral
absorption of poorly water-soluble drugs using a dissolution/permeation system (D/P system). …

Prediction of food effect by bile micelles on oral drug absorption considering free fraction in intestinal fluid

K Sugano, M Kataoka, C da Costa Mathews… - European journal of …, 2010 - Elsevier
The purpose of the present study was to derive a theoretical framework for prediction of the
food effects by interactions with bile micelles on oral drug absorption. The effect of bile …

IVIVC in oral absorption for fenofibrate immediate release tablets using a dissolution/permeation system

P Buch, P Langguth, M Kataoka, S Yamashita - Journal of pharmaceutical …, 2009 - Elsevier
The usefulness of a dissolution/permeation (D/P) system to predict the in vivo performance
of solid dosage forms containing the poorly soluble drug, fenofibrate, was studied. …

Photochemical conversion of methane

K Ogura, M Kataoka - Journal of molecular catalysis, 1988 - Elsevier
Methane was converted by the photochemical reaction with water vapor at temperatures lower
than 100 C and at atmospheric pressure. The activation of the conversion of methane was …