Drug General Information (ID: DDI56TWFEK)
Drug Name			Ceritinib		Drug Info		Relugolix		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Multikinase Inhibitors				Gonadotropin-Releasing Hormone Antagonists
Structure

Mechanism of Ceritinib-Relugolix Interaction (Severity Level: Major)
Increased risk of prolong QT interval Click to Show/Hide Mechanism Graph
Drug Name		Ceritinib				Relugolix
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 Ceritinib and Relugolix

Recommended Action
Management		Caution is recommended if ceritinib is used in combination with other drugs that can prolong the QT interval. ECG and serum electrolytes, including potassium, magnesium and calcium, should be monitored before starting ceritinib therapy and periodically during treatment.

References
1	Canadian Pharmacists Association.
2	Cerner Multum, Inc. "Australian Product Information.".
3	Cerner Multum, Inc. "UK Summary of Product Characteristics.".
4	Product Information. Zykadia (ceritinib). Novartis Pharmaceuticals, East Hanover, NJ.