In CKD, which statement best describes statin dosing?

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In CKD, how statins are dosed depends on how each statin is cleared from the body. Not all statins are affected equally by reduced kidney function. Some are primarily cleared by the liver and can often be used at standard doses, but others rely more on renal clearance and may accumulate as eGFR falls. This means dose adjustments or closer monitoring are appropriate for those renally cleared statins to reduce the risk of adverse effects, such as myopathy.

The best overall statement reflects this nuance: some statins do require dose adjustments when kidney function is reduced, and clinicians should monitor for muscle toxicity. It’s not accurate to say all statins need adjustments, nor that CKD has no impact on statin metabolism. It’s also not universally true that concentrations of both rosuvastatin and atorvastatin rise in severe CKD—rosuvastatin can accumulate with severe CKD due to renal clearance, while atorvastatin’s exposure is less consistently affected.