Drug General Information (ID: DDIUDJBOMI)
Drug Name			Ondansetron		Drug Info		Dasatinib		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Antiemetics				Antineoplastics
Structure

Mechanism of Ondansetron-Dasatinib Interaction (Severity Level: Moderate)
Increased risk of prolong QT interval Click to Show/Hide Mechanism Graph
Drug Name		Ondansetron				Dasatinib
Mechanism		Prolong QT interval				Prolong QT interval
Key Mechanism Factor 1
		Factor Name		QT interval
		Factor Description		Long QT syndrome is a heart signaling disorder that can cause a fast, chaotic heartbeat (arrhythmia). Many people may not exhibit symptoms, and usually the condition is detected during routine medical tests. In others, the most common symptoms include: sudden fainting, palpitations, dizziness, seizures, sudden death.
Mechanism Description		Increased risk of prolong QT interval by the combination of Ondansetron and Dasatinib

Recommended Action
Management		Caution is recommended if dasatinib is used in combination with cumulative high-dose anthracycline therapy or other drugs that can prolong the QT interval. Patients should be advised to seek prompt medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope.

References
1	Product Information. Sprycel (dasatinib). Bristol-Myers Squibb, Princeton, NJ.