Dosage
Your dosage for Imfinzi is based on several factors:
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- your weight
- the type of cancer you’re being treated for
- other medications you take
- your overall health
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Imfinzi is typically given every 2, 3, or 4 weeks. Your doctor will help decide your treatment schedule and dosage based on your weight and overall health:
Small cell lung cancer (SCLC). For SCLC, you’ll receive Imfinzi as follows:
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- If you weigh 30 kilograms (about 66 pounds) or more, you’ll likely receive Imfinzi every 3 weeks with two chemotherapy drugs. These are etoposide and either cisplatin or carboplatin. After that, you’ll receive Imfinzi by itself every 4 weeks.
- If you weigh less than 30 kilograms (kg), you’ll likely receive Imfinzi every 3 weeks with etoposide and either cisplatin or carboplatin. After that, your dose will be lowered, and you’ll receive Imfinzi on its own every 2 weeks.
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Non-small cell lung cancer (NSCLC). For stage 3 NSCLC, you’ll likely receive Imfinzi as follows:
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- If you weigh 30 kg (about 66 pounds) or more, you’ll receive Imfinzi either every 2 or 4 weeks, depending on your dose.
- If you weigh less than 30 kg, you’ll receive your dose every 2 weeks.
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Imfinzi may be used with other drugs to treat your cancer. Your doctor will talk with you about all your medications and what to expect with each of them. For NSCLC, Imfinzi is used on its own. For SCLC, the medication is used with other chemotherapy drugs (etoposide and either cisplatin or carboplatin).