Abstract: Provided are a pharmaceutical composition for hemostasis in the gastrointestinal tract and a pharmaceutical composition for wound healing in the gastrointestinal tract. The pharmaceutical compositions, according to one embodiment, may comprise: a first component comprising a water-soluble copolymer attachable to gastrointestinal mucosal tissue; a second component comprising a moisture-absorbing material; and thrombin.

Abstract: Disclosed is a drug delivery carrier for sustained release of medicinal protein. The drug delivery carrier has an effect of efficiently loading medicinal proteins that are positively charged at a pH value of an isoelectric point or less of the medicinal proteins, based on electrostatic attraction. In addition, the drug delivery carrier releases medicinal proteins under human physiological conditions (pH 7.4, 37° C.) based on electrostatic repulsion and more specifically, has an effect of sustainedly releasing medicinal proteins for a long time between heat-sensitive polymer layers condensed due to body temperature.