Medications used in chronic kidney disease
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Commonly Used Medications in Chronic Kidney Disease (CKD)
Patients with chronic kidney disease often require multiple medications to manage both the disease itself and its many complications. Commonly used drug classes include adrenal glucocorticoids, immunosuppressants, diuretics, inhibitors of the renin-angiotensin-aldosterone system (RAAS), anticoagulants, antibacterial agents, and sometimes traditional medicines. Because the kidneys are responsible for excreting many drugs, dosing adjustments are frequently necessary to avoid drug accumulation and side effects in CKD patients .
Polypharmacy and Medication Burden in CKD
Polypharmacy—defined as the use of five or more medications daily—is extremely common among CKD patients, with prevalence rates reaching up to 80–95% depending on disease stage and whether the patient is on kidney replacement therapy. The most frequently used medications include β-blockers, angiotensin-converting enzyme inhibitors, statins, and proton pump inhibitors (PPIs). The high medication burden is largely due to the presence of multiple comorbidities such as diabetes, cardiovascular disease, and hypertension 47. Older age, diabetes, and cardiovascular disease further increase the risk of polypharmacy 47.
Nephrotoxic and Potentially Inappropriate Medications
A significant concern in CKD management is the use of nephrotoxic or potentially inappropriate medications (PIMs), which can worsen kidney function or cause other adverse effects. Common nephrotoxic drugs include non-steroidal anti-inflammatory drugs (NSAIDs), certain antivirals, immunosuppressants, bisphosphonates, and some antibiotics. NSAIDs, in particular, are frequently prescribed—even by clinicians who did not diagnose the CKD—raising the risk of kidney injury 3510. Awareness of CKD by both patients and providers is associated with lower use of nephrotoxic medications, but overall, up to 20% of CKD patients still receive at least one nephrotoxic drug annually 3510.
Medication Safety and Dose Adjustments
Many drugs require dose adjustments in CKD to prevent toxicity. For example, metformin and sulfonylureas are used less frequently in advanced CKD due to the risk of lactic acidosis and hypoglycemia, respectively. Some newer medications, such as Tenofovir alafenamide (TAF) and Tenofovir amibufenamide (TMF), have safer profiles for the kidneys compared to older drugs like Tenofovir disoproxil fumarate (TDF). Other drugs, such as remdesivir and molnupiravir, have specific recommendations or restrictions based on the degree of renal impairment 23.
Advances and Novel Therapies in CKD
Recent advances in CKD pharmacotherapy include the use of sodium-glucose cotransporter 2 (SGLT2) inhibitors, which have shown promise in slowing CKD progression and protecting heart and kidney function. Newer non-steroidal mineralocorticoid receptor antagonists, such as finerenone, offer benefits with fewer side effects like hyperkalemia. Other investigational drugs and therapeutic strategies, including autologous cell therapy and agents targeting inflammation and fibrosis, are being explored to further slow CKD progression 689.
The Importance of Medication Management and Provider Awareness
Effective medication management in CKD is critical to avoid drug-induced harm, reduce polypharmacy, and prevent the use of nephrotoxic or inappropriate medications. Provider awareness of a patient’s CKD status significantly reduces the risk of harmful prescriptions. Strategies to improve medication safety include regular medication reviews, patient education, and better communication between healthcare providers 3510.
Conclusion
Managing medications in chronic kidney disease is complex due to altered drug handling, high rates of polypharmacy, and the risk of nephrotoxicity. Careful selection, dosing, and monitoring of medications—along with increased provider awareness—are essential to optimize outcomes and minimize harm in this vulnerable population 1234+6 MORE.
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