Drug General Information (ID: DDIGRMBU5W)
Drug Name			Vismodegib		Drug Info		Magnesium carbonate		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Antineoplastics/Hedgehog Pathway Inhibitors				Antacids
Structure

Mechanism of Vismodegib-Magnesium carbonate Interaction (Severity Level: Minor)
Altered gastric pH Click to Show/Hide Mechanism Graph
Drug Name		Vismodegib				Magnesium carbonate
Mechanism		Gastric pH sensitive				Gastric alkalinizer
Key Mechanism Factor 1
		Factor Name		Gastric pH
		Factor Description		The normal pH range of gastric acid is between 1.5 and 3.5 and is highly acidic, consisting mainly of hydrochloric acid. Changes in the pH of the stomach can alter the absorption of drugs.
Mechanism Description		Decreased absorption of Vismodegib due to altered gastric pH caused by Magnesium carbonate

References
1	Cerner Multum, Inc. "Australian Product Information.".
2	Cerner Multum, Inc. "UK Summary of Product Characteristics.".
3	Product Information. Erivedge (vismodegib). Genentech, South San Francisco, CA.