Dissolution-modulating mechanism of pH modifiers in solid dispersion containing weakly acidic or basic drugs with poor water solubility

PHL Tran, TTD Tran, KH Lee, DJ Kim… - Expert opinion on drug …, 2010 - Taylor & Francis
… review: pH-modified solid dispersion, in which pH modifiers are … of the pH the pH modifiers
in the solid dispersion system … , microenvironmental pH, and/or release rate of pH modifiers, …

[HTML][HTML] Improved dissolution of dipyridamole with the combination of pH-modifier and solid dispersion technology

Y Kojo, S Matsunaga, H Suzuki, C Taniguchi… - Chemical and …, 2017 - jstage.jst.go.jp
… In the present study, SD-Eud/DP/TA was developed with the combination of pH-modifier
technology and solid dispersion technology. TA is the most promising pH-modifier among the …

Effect of pH modifiers on the solubility, dissolution rate, and stability of telmisartan solid dispersions produced by hot-melt extrusion technology

A Almotairy, M Almutairi, A Althobaiti, M Alyahya… - … science and technology, 2021 - Elsevier
dispersion formulations with HMPCAS LG as a recrystallization inhibitor carrier, with and
without the incorporation of pH modifiers. … The impact of pH modifiers on the TEL solubility at pH

Microenvironmental pH-modification to improve dissolution behavior and oral absorption for drugs with pH-dependent solubility

C Taniguchi, Y Kawabata, K Wada… - Expert opinion on …, 2014 - Taylor & Francis
… addition of pH-modifier in the amorphous SD formulations could affect the physical stability
of the dispersion, so suitable acid or base should be selected as a potential pH-modifier upon …

Solid dispersion technology as a formulation strategy for the fabrication of modified release dosage forms: A comprehensive review

K Patel, S Shah, J Patel - DARU Journal of Pharmaceutical Sciences, 2022 - Springer
… The shells were not only filled with GLC solid dispersion but also pH modifiers. Unlike IR
formulations, sodium carbonate was selected for dual purpose of osmogent and effervescence …

A novel oil-based suspension of a micro-environmental, pH-modifying solid dispersion for parenteral delivery: Formulation and stability evaluation

S Zhang, Q Wan, X Xu, Y Xing, J Ding, S Yang… - Colloids and surfaces B …, 2019 - Elsevier
… For drugs with pH-dependent solubility, micro-environmental pH-modifying solid dispersion
(… their solubility by adding alkalizers or acidifiers as pH-modifier [11]. However, SD …

Novel formulations of dipyridamole with microenvironmental pH-modifiers for improved dissolution and bioavailability under hypochlorhydria

C Taniguchi, R Inoue, Y Kawabata, K Yamashita… - International journal of …, 2012 - Elsevier
… rate at pH 6.8 than the acid-free DP formulation. These four pH-modifiers were weak acids
… possibility to act as more potent acidic pH-modifiers than these four acids used previously. …

Fabrication and evaluation of pH-modulated solid dispersion for telmisartan by spray-drying technique

N Marasini, TH Tran, BK Poudel, HJ Cho… - International journal of …, 2013 - Elsevier
pH modifiers can be added to manipulate the microenvironmental pH (pH M ) that can alter
the release rate of the pH… increase the solubility by modulating its pH M . With the increase in …

Amorphous solid dispersions of carvedilol along with pHmodifiers improved pharmacokinetic properties under hypochlorhydoria

S Halder, A Tabata, Y Seto, H Sato… - … & Drug Disposition, 2018 - Wiley Online Library
… -modifier in the formulation, leading to pH-independent … solid dispersion (ASD) of CAR
(CAR-ASD) with pH-modifiers for … CAR-ASD formulations with six pH-modifiers were prepared, …

Physicochemical principles of controlled release solid dispersion containing a poorly water-soluble drug

TTD Tran, PHL Tran, J Lim, JB Park, SK Choi… - Therapeutic …, 2010 - Taylor & Francis
… Results: The immediate release solid dispersions containing the pH modifier greatly …
compared with the immediate release solid dispersions. The pH modifier played an important role in …