| abstract |
Provided is a sodium taurocholate cotransporting polypeptide (NTCP) inhibitor which comprises a cyclic peptide having an Xw1-W-Xw2-W structure (Xw1 and Xw2 are each independently T, S, I, L, or V, or N-alkyl amino acids thereof) or a P-Xp1-Xp2-H structure (Xp1 is an optional amino acid, and Xp2 is I, L, or V, or N-alkyl amino acids thereof), or a pharmaceutically acceptable salt thereof. |