Drug Interaction Report

Using lurbinectedin together with telaprevir is not recommended. Combining these medications may increase the blood levels and side effects of lurbinectedin. Contact your doctor if you have concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment to safely use both medications. 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.

Do not consume Seville oranges, grapefruit, grapefruit juice, or any supplements that contain grapefruit extract during treatment with lurbinectedin unless directed otherwise by your doctor. Grapefruit and Seville oranges may increase the blood levels of lurbinectedin. This may increase side effects such as liver problems and impaired bone marrow function resulting in low numbers of different types of blood cells. You may also be more likely to develop anemia, bleeding problems, or infections due to low blood cell counts. Talk to your doctor if you have any questions or concerns. 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.

Food significantly increases the absorption of telaprevir. Within 30 minutes before you take each dose of telaprevir, you should eat a meal or snack containing approximately 20 grams of fat. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication. Examples of some foods that could be taken with telaprevir include: bagel with cream cheese; half cup of nuts; 3 tablespoons of peanut butter; 1 cup of ice cream; 2 ounces of American or cheddar cheese; 2 ounces of potato chips; or half cup of trail mix. Talk to your healthcare provider if you have additional questions about how to take telaprevir.