Drug Interactions between mavorixafor and pexidartinib

You may experience reduced absorption of pexidartinib in the presence of food. Pexidartinib should be taken on an empty stomach at least 1 hour before or 2 hours after food. This will make it easier for your body to absorb the medication. Also, while taking pexidartinib, you should avoid grapefruits and grapefruit juice. Grapefruit and grapefruit juice can raise the levels of pexidartinib in your body and lead to potentially dangerous adverse effects. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Mavorixafor should be taken on an empty stomach after an overnight fast, 30 minutes before food. Do not consume grapefruit products during treatment with mavorixafor unless otherwise directed by your doctor. Grapefruit juice can increase the blood levels and adverse effects of mavorixafor, increasing the risk of experiencing a change in the electrical activity of your heart called QT prolongation, which can result in irregular heartbeats that can be life-threatening. You should seek immediate medical attention if you experience an irregular heartbeat or feel dizzy, lightheaded, or faint during treatment. Speak with your doctor or healthcare provider if you have any questions. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.