What is the best way to take erlotinib?

The recommended taking time of erlotinib is a fixed time every day to ensure the stability of blood concentration. According to the patient's condition and the doctor's recommendation, there are generally two specifications to choose from, namely 100mg and 150mg. For patients with pancreatic cancer, the recommended dose is generally 100 mg; for patients with non-small cell lung cancer, the recommended dose is 150 mg. It is important that these doses be taken once daily.

Erlotinib must be taken on an empty stomach to ensure optimal absorption and efficacy of the drug. Fasting is defined as one hour before or two hours after eating. This is because food will affect the absorption of erlotinib. Foods with different fat content may cause different amounts of the drug to be absorbed into the blood, thus affecting efficacy and toxicity. Therefore, in order to reduce this effect and ensure stable absorption of the drug, patients should choose to take it on an empty stomach.

Patients should continue taking erlotinib until disease progression or intolerable toxicity occurs. During the period of medication, patients should receive regular examinations and evaluations from their doctors to monitor the efficacy and safety of the medication. If any discomfort or abnormal reaction occurs, you should report it to your doctor in time.

Erlotinib must be used under the guidance of a physician experienced in the use of this type of drug. Before starting treatment, patients should undergo an EGFR genetic testing method approved by the National Medical Products Administration to ensure the presence of EGFR sensitive mutations. For certain circumstances (such as patients with brain metastases and EGFR gene-mutated NSCLC), erlotinib can be used in combination with other drugs (such as bevacizumab). If a patient misses a dose, it should not be taken within 12 hours of the next dose.