Casopitant mesylate probably adds extra relief from nausea symptoms because it acts on different nerve systems than the standard drugs, Grunberg said.

• 卡索匹坦甲磺酸与标准药物不同，能对其他的神经系统起作用，这可能是它额外地减轻了恶心症状的原因，格伦伯格说。