Dose range by body weight

6. Patient-based Dose 6.2) Body Weight 6.2.1) Body weight General

6.2.1.1) Drug dose based on body weight Easy 1


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The usual dose of a antineoplastic drug for adult over 25 y of age is 11 to 61 mg/kg of body weight. What would be the usual range for a adult weighting 157 lb?


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lb equals 780 mg - 4300 mg kg


  • Simple DA method for 11 mg drug
`(11 \quad mg)/(1\quad kg) × 157 \quad lb × (0.454\quad kg)/(1\quad lb)` = 784.058 mg


  • Simple DA method for 61 mg drug
`(61 \quad mg)/(1\quad kg) × 157 \quad lb × (0.454\quad kg)/(1\quad lb)` = 4347.958 mg


Therefore, range is from 784.058 mg to 4347.958 mg actually, literatures round these numbers and express as 780 mg to 4300 mg

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