Fundamental studies on application of carbon nanotubes to oral drug delivery for the treatment of bowl diseases

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Carbon nanotubes are nanometer-sized carbon materials, which are expected to be applicable to drug carriers of drug delivery systems. In mice experiment, orally-administered carbon nanotubes were not absorbed from the gastrointestinal tract, and excreted in feces, suggesting that neither accumulation of orally-administered carbon nanotubes in body nor associated toxicity would be observed. These results indicated that carbon nanotubes could be riskless oral drug carriers in drug therapy of inflammatory bowel diseases.