To review the carboplatin dose calculation, which laboratory result must be available?

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Multiple Choice

To review the carboplatin dose calculation, which laboratory result must be available?

Explanation:
Carboplatin dosing hinges on renal function because the Calvert formula uses the glomerular filtration rate to determine the dose: Dose = target AUC × (GFR + 25). The eGFR provides an estimated GFR that you can plug into this equation to tailor the amount of drug to how well the patient’s kidneys can clear it. Without knowing the GFR, you can’t set the correct dose. The other listed labs don’t enter the carboplatin dose calculation. Serum albumin, hematocrit, and alkaline phosphatase reflect nutritional status, red blood cell mass, and liver/bone turnover, respectively, but they don’t influence how the drug is cleared or the Calvert dosing.

Carboplatin dosing hinges on renal function because the Calvert formula uses the glomerular filtration rate to determine the dose: Dose = target AUC × (GFR + 25). The eGFR provides an estimated GFR that you can plug into this equation to tailor the amount of drug to how well the patient’s kidneys can clear it. Without knowing the GFR, you can’t set the correct dose.

The other listed labs don’t enter the carboplatin dose calculation. Serum albumin, hematocrit, and alkaline phosphatase reflect nutritional status, red blood cell mass, and liver/bone turnover, respectively, but they don’t influence how the drug is cleared or the Calvert dosing.

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