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Select patients for treatment of locally advanced or metastatic NSCLC with LUMAKRAS based on the presence of KRAS G12C mutation in tumor or plasma specimens [see Pharmacology: Pharmacodynamics: Clinical Studies under Actions]. If no mutation is detected in a plasma specimen, test tumor tissue.
Recommended Dosage and Administration: The recommended dosage of LUMAKRAS is 960 mg (eight 120 mg tablets) orally once daily until disease progression or unacceptable toxicity.
Take LUMAKRAS at the same time each day with or without food [see Pharmacology: Pharmacokinetics under Actions]. Swallow tablets whole. Do not chew, crush or split tablets. If a dose of LUMAKRAS is missed by more than 6 hours, take the next dose as prescribed the next day. Do not take 2 doses at the same time to make up for the missed dose.
If vomiting occurs after taking LUMAKRAS, do not take an additional dose. Take the next dose as prescribed the next day.
Administration to Patients Who Have Difficulty Swallowing Solids: Disperse tablets in 120 mL (4 ounces) of non-carbonated, room-temperature water without crushing. No other liquids should be used. Stir until tablets are dispersed into small pieces (the tablets will not completely dissolve) and drink immediately or within 2 hours. The appearance of the mixture may range from pale yellow to bright yellow.
Swallow the tablet dispersion. Do not chew pieces of the tablet. Rinse the container with an additional 120 mL (4 ounces) of water and drink. If the mixture is not consumed immediately, stir the mixture again to ensure that tablets are dispersed.
Dosage Modifications for Adverse Reactions: LUMAKRAS dose reduction levels are summarized in Table 2. Dosage modifications for adverse reactions are provided in Table 3.
If adverse reactions occur, a maximum of two dose reductions are permitted. Discontinue LUMAKRAS if patients are unable to tolerate the minimum dose of 240 mg once daily. (See Tables 2 and 3.)
Click on icon to see table/diagram/image
Click on icon to see table/diagram/imageCoadministration of LUMAKRAS with Acid-Reducing Agents: Avoid coadministration of proton pump inhibitors (PPIs) and H2 receptor antagonists with LUMAKRAS. If treatment with an acid-reducing agent cannot be avoided, take LUMAKRAS 4 hours before or 10 hours after administration of a local antacid [see Interactions and Pharmacology: Pharmacokinetics under Actions].
