Toyohiro Sawada

Influence of water soluble fillers in hydroxypropylmethylcellulose matrices on in vitro and in vivo drug release

Kazuhiro Sako, Toyohiro Sawada, Hiroshi Nakashima et al. · Journal of Controlled Release · 2002 · 95 citations

Pharmacy, Bioengineering, Pharmaceutics +16

Extended release of a large amount of highly water-soluble diltiazem hydrochloride by utilizing counter polymer in polyethylene oxides (PEO)/polyethylene glycol (PEG) matrix tablets

Hiroyuki Kojima, Keiichi Yoshihara, Toyohiro Sawada et al. · European Journal of Pharmaceutics and Biopharmaceutics · 2008 · 81 citations

Pharmacy, Pharmaceutics, Pharmacology +15

Scintigraphic Evaluation of a Novel Colon-Targeted Delivery System (CODES™) in Healthy Volunteers

Masataka Katsuma, Shunsuke Watanabe, Shigeo Takemura et al. · Journal of Pharmaceutical Sciences · 2004 · 72 citations

Pharmacy, Biomedical Sciences, Pharmaceutics +13

Role of Paracellular Pathway in Nonelectrolyte Permeation Across Rat Colon Epithelium Enhanced by Sodium Caprate and Sodium Caprylate

Toyohiro Sawada, Takahiro Ogawa, Mikio Tomita et al. · Pharmaceutical Research · 1991 · 64 citations

Pharmacy, Biophysics, Intracellular Transport +14

Relationship Between Gelation Rate of Controlled-release Acetaminophen Tablets Containing Polyethylene Oxide and Colonic Drug Release in Dogs

Kazuhiro Sako, Hiroshi Nakashima, Toyohiro Sawada et al. · Pharmaceutical Research · 1996 · 53 citations

Pharmacy, Pharmaceutics, Pharmacology +17