What should I pay attention to in terms of diet with avatrombopag?

Avatrombopag is an oral thrombopoietin receptor agonist, mainly used to treat thrombocytopenia caused by chronic liver disease or immune thrombocytopenia (ITP). It reduces the risk of bleeding by stimulating megakaryocytes in the bone marrow to produce platelets. Compared with traditional platelet-stimulating drugs, avatrombopag has the advantages of oral convenience, no need to take it on an empty stomach, and less impact on food. However, there are still some dietary precautions that can help improve drug efficacy and reduce side effects.

First, the absorption of avatrombopag is not affected by food, and patients can take it before or after meals, unlike some targeted drugs that require fasting or avoiding high-fat foods. This feature provides convenience for patients' daily medication. However, in order to avoid stomach upset, it is recommended to take it after meals, especially for patients with weak gastrointestinal function. In addition, there is no need to specifically limit fat intake, but you should maintain a balanced diet and avoid overeating and high-sugar and high-salt diets.

Secondly, although food will not significantly affect the pharmacokinetics of avatrombopag, patients should still try to avoid taking supplements or antacids containing large amounts of iron, calcium, magnesium, and aluminum, such as certain calcium tablets or multivitamins, while taking the drug. Because these metal ions may affect the absorption efficiency of avatrombopag by binding to the drug, thereby reducing the therapeutic effect. If it must be used, it should be staggered by at least 4 hours with the taking of avatrombopag.
Third, patients with chronic liver disease should avoid high protein, high cholesterol, and high fat intake in their diet while taking avatrombopag, so as not to increase the metabolic burden on the liver. At the same time, abstinence from alcohol is a principle that must be observed. Alcohol is not only directly toxic to the liver, but may also increase the risk of bleeding. Consuming more foods rich in vitamins C, K and iron (such as green leafy vegetables, red dates, animal liver, etc.) can help platelet function and blood health.
Finally, it is recommended that patients maintain good eating habits and work and rest patterns during treatment, and avoid spicy, cold, and unclean foods to reduce the chance of gastrointestinal side effects. At the same time, patients at risk of bleeding should avoid ingesting foods or drugs that may aggravate bleeding tendencies (such as ginseng, ginkgo, fish oil, etc.). If gastrointestinal reactions such as obvious loss of appetite, diarrhea, nausea, etc. occur, timely feedback should be reported to the doctor to determine whether it is related to diet or drug adverse reactions, and the medication plan or diet structure should be adjusted in a timely manner.
Reference: https://go.drugbank.com/drugs/DB11995