LONSURF Dosage Calculator

The LONSURF® (trifluridine and tipiracil) tablets Dosage Calculator App offers healthcare professionals a simple way to start patients on the recommended LONSURF dosage (35 mg/m²/dose).

Begin by entering a patient’s height and weight, or body surface area (BSA), and the app will display the patient’s recommended morning and evening doses per the LONSURF Prescribing Information (rounded to the nearest 5 mg). Once calculated, a personalized dosage calendar featuring the recommended starting dose can be emailed directly to the patient through the app.

Calculator features:

• Choose to calculate the recommended starting dose using height and weight (metric or imperial; BSA is calculated using the Dubois formula), or BSA
• An easy-to-follow tutorial outlines the app’s main functions
• Quickly email patients a personalized dosage calendar to help them stay on track with their LONSURF treatment

NOTE: This tool is only intended for use in calculating patients' starting dosage. For directions on appropriate dose modification for adverse event management at cycle start or during a cycle, visit lonsurfhcp.com.

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