Wenderoth, Lind & Ponack, L.L.P.
Dissolution liquid for drug in iontophoresis
 A drug held or supported by an interface comprising a porous matrix is dissolved with a drug dissolution liquid containing a humectant, and the drug is transdermally delivered by iontophoresis. The humectant includes e.g. glycerin and other polyhydric alcohols, sugar alcohols, proline and other amino acids and acidic mucopolysaccharides. The concentration of the humectant may be about 1 to 50% by weight, and the concentration of proline or other amino acid or its salt may be about 1 to 30% by weight. The drug includes (1) a physiologically active peptide or protein with a molecular weight of 100 to 30,000 or (2) a nonpeptide physiologically active compound with a molecular weight of 100 to 1,000. 
Hisamitsu Pharmaceutical Co., Inc.
A
A61N
inventional
Yukihiro Katsumi Yasuyuki
Matsumoto Iga Suzuki