Tokyo University of Science Educational Foundation Administrative Organization

Kowa Company Limited

Kimiko Makino

Toshio Inagi

Makoto Kanebako

Keishiro Tomoda

Hiroshi Terada

Masakazu Toi

Takehisa Nakajima

The present invention is to provide means to treat breast cancer and/or mastitis by topically administering a non-steroidal antiinflammatory analgetic agent and/or an anticancer agent and allowing them efficiently to arrive into the mammary gland. The present invention provides an iontophoretic preparation for treating breast cancer and/or mastitis which contains a non-steroidal antiinflammatory analgetic agent and/or an anticancer agent as an active ingredient and has a donor to be applied on a nipple part for topical administration of the active ingredient from the nipple part to the mammary gland by application of electric potential.

Iontophoretic preparation for treatment of breast cancer and/or mastitis

Nanocomposite particles having good solubility and redispersibility in water are provided. The nanocomposite particles include a sugar material and nanoparticles containing a drug to be delivered and a biodegradable polymer, the sugar material being disaccharide, and a mass ratio of the nanoparticles to the disaccharide being within the range of from 40:60 to 60:40.

Nanocomposite particles

Growing community of inventors

Bunkyo-ku, Japan

Kimiko Makino