Details of Drug-Drug Interaction
| Drug General Information (ID: DDIB6FNQ1E) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drug Name | Ranitidine (bismuth citrate) | Drug Info | Pexidartinib | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Antiulcer Agents | Multikinase Inhibitors | |||||||
| Structure | |||||||||
| Mechanism of Ranitidine (bismuth citrate)-Pexidartinib Interaction (Severity Level: Moderate) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Altered gastric pH Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Ranitidine (bismuth citrate) | Pexidartinib | |||||||
| Mechanism | Gastric alkalinizer | Gastric pH sensitive | |||||||
| 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 |
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| Recommended Action | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Management | If acid-suppression therapy is required, pexidartinib should be administered at least 2 hours before or 10 hours after taking an H2-receptor antagonist or 2 hours before or 2 hours after taking a locally-acting antacid. Concomitant use of pexidartinib with proton pump inhibitors should be avoided. | ||||||||
| References | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Product Information. Turalio (pexidartinib). Daiichi Sankyo, Inc., Parsippany, NJ. | ||||||||||||||||||

