| abstract |
The present invention provides an antitumor agent comprising a combination of an HSP90 inhibitor targeting the heat shock protein HSP90, which is greatly involved in the survival of cancer cells, and another antitumor agent. As an HSP90 inhibitor, the following general formula (1) [Wherein X represents an alkyl group, an alkynyl group, or a halogen atom, Y represents a sulfur atom or an oxygen atom, m represents an integer of 0 to 4, and A represents an amino group having a substituent.] An antitumor agent comprising a combination of A) and an antitumor platinum complex (B). [Selection figure] None |