Skip to article
Astra

Nephrology

CKD Albuminuria Treatment

Confirm persistent albuminuria with quantitative UACR, stage risk jointly with eGFR, maximize single-agent renin-angiotensin blockade, and layer SGLT2 inhibition and finerenone selectively in type 2 diabetes while monitoring potassium and kidney function.

Clinical question: How should persistent albuminuria in chronic kidney disease be confirmed, risk-stratified, and treated with kidney-protective pharmacotherapy?

First decision

Confirm persistent albuminuria before escalating CKD therapy

A single elevated measurement should trigger confirmation and risk staging, not automatic attribution to diabetic kidney disease.

Order a quantitative spot UACR rather than relying on dipstick protein to establish and follow albuminuria. A first-void morning sample is preferred when feasible because it improves initial assessment; repeat an abnormal UACR, preferably using another first-morning specimen, before using albuminuria to direct long-term treatment. acpjournalsChronic Kidney Disease | Annals of Internal Medicine - ACP JournalsWolters KluwerAlbuminuria in Heart Failure : Cardiology in Review

Assign A1 for UACR <30 mg/g, A2 for 30-299 mg/g, and A3 for ≥300 mg/g. Pair the albuminuria category with eGFR category and CKD cause because albuminuria independently changes kidney and cardiovascular risk even when eGFR is preserved. Wolters KluwerRisk of Hospital Readmission among People with CKD : Clinical Journal of the American Society of NephrologyWolters KluwerAlbuminuria in Heart Failure : Cardiology in ReviewKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...

Screen at least annually with UACR in patients with diabetes, hypertension, cardiovascular disease, or established CKD. An elevated UACR in a patient without an established CKD cause should prompt assessment for an alternative renal diagnosis rather than empiric labeling as diabetic kidney disease. BMJAssessment and management of albuminuria in adults | The BMJ

UACR categories that determine CKD risk classification and treatment intensity. Wolters KluwerRisk of Hospital Readmission among People with CKD : Clinical Journal of the American Society of NephrologyWolters KluwerAlbuminuria in Heart Failure : Cardiology in ReviewKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
Albuminuria categoryUACRActionable interpretation
A1<30 mg/gNormal to mildly increased albuminuria; continue eGFR- and cause-based CKD surveillance. Wolters KluwerRisk of Hospital Readmission among People with CKD : Clinical Journal of the American Society of NephrologyWolters KluwerAlbuminuria in Heart Failure : Cardiology in Review
A230-299 mg/gModerately increased albuminuria; confirm persistence and consider ACE inhibitor or ARB therapy according to diabetes status and CKD stage. Wolters KluwerAlbuminuria in Heart Failure : Cardiology in ReviewKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
A3≥300 mg/gSeverely increased albuminuria; initiate or optimize renin-angiotensin system inhibition when eligible and assess for nephrology referral, especially with hematuria or uncertain cause. BMJAssessment and management of albuminuria in adults | The BMJKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...

Etiology and referral

Identify albuminuria patterns that require nephrology evaluation

Treatment layering is appropriate only after considering whether albuminuria reflects a potentially treatable glomerular process.

Refer to nephrology when albuminuria is accompanied by concern for glomerulonephritis, an unknown etiology, severe albuminuria with hematuria, or a calculated 5-year kidney-failure risk above 3%-5%. Referral is also reasonable at UACR >30 mg/mmol, or at UACR >3 mg/mmol when additional risk factors are present. BMJAssessment and management of albuminuria in adults | The BMJ

Do not assume diabetes explains every case of proteinuric CKD. Primary glomerular disorders, including focal segmental glomerulosclerosis, minimal change disease, IgA nephropathy, and membranous nephropathy, can coexist with diabetes; diabetic nephropathy may be accompanied by another kidney disorder in 5%-15% of cases in some series. asn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology

When the clinical pattern suggests glomerulonephritis or the cause remains unclear, nephrology assessment should determine the need for disease-specific serology, imaging, and kidney biopsy rather than escalating antiproteinuric therapy alone. BMJAssessment and management of albuminuria in adults | The BMJasn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology

Referral triggers for albuminuric CKD. BMJAssessment and management of albuminuria in adults | The BMJasn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology
FindingWhy it changes managementNext step
Unexplained albuminuriaAlternative CKD causes require diagnostic classification before disease-specific treatment. BMJAssessment and management of albuminuria in adults | The BMJRefer to nephrology for etiologic evaluation. BMJAssessment and management of albuminuria in adults | The BMJ
Severe albuminuria plus hematuriaRaises concern for glomerulonephritis or another glomerular disorder. BMJAssessment and management of albuminuria in adults | The BMJPrompt nephrology evaluation; determine need for serologic workup and biopsy. BMJAssessment and management of albuminuria in adults | The BMJasn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology
5-year kidney-failure risk >3%-5%Identifies a risk level for which nephrology referral should be considered. BMJAssessment and management of albuminuria in adults | The BMJRefer or co-manage with nephrology. BMJAssessment and management of albuminuria in adults | The BMJ
Diabetes with atypical renal featuresNon-diabetic renal disease may coexist with diabetic nephropathy. asn-online[PDF] Chronic Kidney Disease (CKD) - American Society of NephrologyAvoid presumptive diabetic kidney disease labeling; pursue nephrology-directed evaluation. asn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology

Foundation therapy

Use ACE inhibitor or ARB therapy at a maximally tolerated dose

Single-agent renin-angiotensin system inhibition is the foundational antiproteinuric strategy for eligible albuminuric CKD.

For CKD without diabetes, KDIGO recommends starting an ACE inhibitor or ARB for G1-G4 CKD with A3 albuminuria and suggests either agent for G1-G4 CKD with A2 albuminuria. For CKD with diabetes, start an ACE inhibitor or ARB for G1-G4 CKD with either A2 or A3 albuminuria. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...

Administer the selected ACE inhibitor or ARB at the highest approved dose the patient tolerates; the evidence base supporting kidney protection used these doses. In patients with diabetes, hypertension, and albuminuria, ACE inhibitor or ARB therapy is first-line antihypertensive therapy, while a dihydropyridine calcium channel blocker or diuretic may be needed alongside it to achieve blood-pressure goals. Kidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidenceKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy

Do not combine an ACE inhibitor with an ARB or a direct renin inhibitor in CKD. Combination therapy increases treatment complexity without guideline support and should not be used to pursue a larger albuminuria reduction. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...

Renin-angiotensin system inhibitor selection by diabetes and albuminuria category. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
Clinical groupAlbuminuria categoryRecommended action
CKD without diabetes, G1-G4A3Start an ACE inhibitor or ARB. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
CKD without diabetes, G1-G4A2Consider starting an ACE inhibitor or ARB. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
CKD with diabetes, G1-G4A2 or A3Start an ACE inhibitor or ARB. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...
Any CKDAny albuminuria categoryAvoid ACE inhibitor plus ARB or either agent plus a direct renin inhibitor. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...

Layered kidney protection

Add an SGLT2 inhibitor for type 2 diabetes and CKD

SGLT2 inhibition is a kidney-protective layer, not merely an albuminuria-lowering intervention.

Use an SGLT2 inhibitor in patients with type 2 diabetes and CKD as part of comprehensive kidney and cardiovascular risk reduction. SGLT2 inhibitors reduce albuminuria, attenuate progressive loss of kidney function, and reduce kidney-failure risk in CKD with type 2 diabetes. Wolters KluwerBaseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of NephrologyKidney InternationalKDIGO 2020 Clinical Practice Guideline for Diabetes Management ...

Assess response with serial UACR and eGFR rather than requiring complete normalization of albuminuria. Albuminuria reduction occurs early after SGLT2 inhibitor initiation and is sustained during longer treatment; persistent albuminuria after initiation represents residual risk and may support consideration of finerenone when the patient meets its selection criteria. Wolters KluwerBaseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of NephrologyKidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidence

Evidence supports an additive biologic rationale for combining an SGLT2 inhibitor with finerenone in appropriate patients receiving renin-angiotensin system blockade, but definitive evidence defining optimal sequencing and the incremental benefit of adding finerenone to both background therapies remains limited. Kidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidenceKidney InternationalKDIGO 2022 Clinical Practice Guideline for Diabetes Management ...PubMedClinical Review - Finerenone (Kerendia) - NCBI Bookshelf

How treatment response informs next pharmacologic layering in type 2 diabetes and CKD. Wolters KluwerBaseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of NephrologyKidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidenceKidney InternationalKDIGO 2022 Clinical Practice Guideline for Diabetes Management ...
Treatment stateInterpretationNext action
Albuminuric CKD without ACE inhibitor or ARBRenin-angiotensin system blockade remains the foundational antiproteinuric treatment when eligible. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...Start and titrate either an ACE inhibitor or ARB; monitor creatinine and potassium. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy
Type 2 diabetes and CKD on ACE inhibitor or ARBSGLT2 inhibitors reduce albuminuria and progressive kidney-function loss. Wolters KluwerBaseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of NephrologyKidney InternationalKDIGO 2020 Clinical Practice Guideline for Diabetes Management ...Add an SGLT2 inhibitor when clinically eligible. Kidney InternationalKDIGO 2020 Clinical Practice Guideline for Diabetes Management ...
Persistent albuminuria on ACE inhibitor or ARB, with or without SGLT2 inhibitorResidual albuminuria identifies ongoing kidney and cardiovascular risk. Kidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidenceKidney InternationalKDIGO 2022 Clinical Practice Guideline for Diabetes Management ...Assess finerenone eligibility, including eGFR and potassium. Kidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidencePubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMC

Residual risk

Select and monitor finerenone in type 2 diabetic CKD

Finerenone is a selective add-on option for albuminuric CKD associated with type 2 diabetes.

Consider finerenone for CKD with type 2 diabetes, persistent albuminuria, eGFR ≥25 mL/min/1.73 m², serum potassium <5.0 mmol/L, and concurrent maximally tolerated ACE inhibitor or ARB therapy. KDIGO identifies finerenone as the nonsteroidal mineralocorticoid receptor antagonist with proven kidney and cardiovascular benefit in this setting. Kidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidenceKidney InternationalKDIGO 2022 Clinical Practice Guideline for Diabetes Management ...PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMC

Start finerenone 20 mg orally once daily when eGFR is >60 mL/min/1.73 m² and 10 mg orally once daily when eGFR is 25-60 mL/min/1.73 m². Measure serum potassium before initiation and at 4 weeks; potassium surveillance is essential because finerenone increases hyperkalemia risk. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy

Finerenone reduced the FIDELIO-DKD composite kidney outcome of kidney failure, sustained ≥40% eGFR decrease, or kidney-related death versus placebo (hazard ratio 0.82, 95% CI 0.73-0.93) and reduced the key cardiovascular composite (hazard ratio 0.86, 95% CI 0.75-0.99). Hyperkalemia-related adverse events were approximately twice as frequent with finerenone as with placebo, reported as 18.3% versus 9.0% in trial data. catalogues ema europa eu[PDF] Observational Study/Post Authorization Safety Study (PASS ...

If hyperkalemia or clinically meaningful eGFR change emerges during therapy, reassess dose and concurrent potassium-raising therapies; in real-world practice, potassium and eGFR changes were documented reasons for finerenone down-titration. PubMedDosing, treatment patterns and safety of finerenone use in routine care: an interim analysis of the prospective, real-world and observational FINE-REAL study - PMC

Finerenone eligibility, initial dosing, and safety checkpoints for CKD associated with type 2 diabetes. PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMCPubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathycatalogues ema europa eu[PDF] Observational Study/Post Authorization Safety Study (PASS ...
Decision pointThreshold or regimenAction
Baseline indicationType 2 diabetes, CKD, albuminuria, maximally tolerated ACE inhibitor or ARB, eGFR ≥25 mL/min/1.73 m², potassium <5.0 mmol/L. PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMCEligible to consider finerenone. PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMC
Initial dose with eGFR >60 mL/min/1.73 m²Finerenone 20 mg orally once daily. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic NephropathyCheck potassium before treatment and after 4 weeks. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy
Initial dose with eGFR 25-60 mL/min/1.73 m²Finerenone 10 mg orally once daily. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic NephropathyCheck potassium before treatment and after 4 weeks. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy
Hyperkalemia riskHyperkalemia-related adverse events: 18.3% with finerenone versus 9.0% with placebo in trial data. catalogues ema europa eu[PDF] Observational Study/Post Authorization Safety Study (PASS ...Reassess dose and ongoing treatment if potassium rises. PubMedDosing, treatment patterns and safety of finerenone use in routine care: an interim analysis of the prospective, real-world and observational FINE-REAL study - PMCcatalogues ema europa eu[PDF] Observational Study/Post Authorization Safety Study (PASS ...

Longitudinal management

Follow UACR, eGFR, and potassium to guide escalation

Albuminuria treatment requires repeated quantitative assessment because risk and medication eligibility evolve with eGFR and potassium.

Trend UACR and eGFR after initiating or intensifying antiproteinuric therapy. A durable reduction in albuminuria after SGLT2 inhibitor initiation is expected, but residual albuminuria should be interpreted as persistent cardiorenal risk rather than treatment failure by itself. Wolters KluwerBaseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of NephrologyKidney InternationalExecutive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidence

At each reassessment, verify that ACE inhibitor or ARB therapy remains at the highest tolerated approved dose, review serum creatinine and potassium, and determine whether the patient has become eligible for or unsafe for finerenone. Kidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMCPubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy

Escalate to nephrology when albuminuria remains unexplained, hematuria accompanies severe albuminuria, the clinical phenotype suggests glomerulonephritis, or 5-year kidney-failure risk exceeds 3%-5%. The goal is to identify disease-specific therapy or biopsy indications before irreversible loss of kidney function. BMJAssessment and management of albuminuria in adults | The BMJasn-online[PDF] Chronic Kidney Disease (CKD) - American Society of Nephrology

Practical monitoring actions after treatment changes for albuminuric CKD. Wolters KluwerAlbuminuria in Heart Failure : Cardiology in ReviewKidney InternationalKDIGO 2024 Clinical Practice Guideline for the Evaluation and ...PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathycatalogues ema europa eu[PDF] Observational Study/Post Authorization Safety Study (PASS ...
Therapy or findingMonitoring testDecision triggered
Abnormal initial UACRRepeat UACR, preferably first-morning void. Wolters KluwerAlbuminuria in Heart Failure : Cardiology in ReviewConfirm persistent albuminuria before chronic treatment decisions. Wolters KluwerAlbuminuria in Heart Failure : Cardiology in Review
ACE inhibitor or ARB useBlood pressure, serum creatinine, serum potassium. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic NephropathyAddress hypotension, creatinine increase, or hyperkalemia with dose reduction or discontinuation if needed. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathy
Finerenone initiationSerum potassium before treatment and at 4 weeks. PubMedProtecting the Kidneys: Update on Therapies to Treat Diabetic NephropathyDo not start if potassium is ≥5.0 mmol/L; reassess therapy if hyperkalemia develops. PubMedThe appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMCPubMedDosing, treatment patterns and safety of finerenone use in routine care: an interim analysis of the prospective, real-world and observational FINE-REAL study - PMC
High-risk clinical patternUACR, eGFR, hematuria assessment, kidney-failure risk estimate. BMJAssessment and management of albuminuria in adults | The BMJRefer to nephrology for unexplained disease, hematuria with severe albuminuria, or 5-year kidney-failure risk >3%-5%. BMJAssessment and management of albuminuria in adults | The BMJ

References

  1. Assessment and management of albuminuria in adults | The BMJwww.bmj.com · www.bmj.com
  2. Characteristics of patients with undiagnosed stage 3 chronic kidney ...www.thelancet.com · www.thelancet.com
  3. Effectiveness of a systematic home-based albuminuria screening ...www.thelancet.com · www.thelancet.com
  4. Chronic kidney disease, complex conditions, and advancing ...www.thelancet.com · www.thelancet.com
  5. a randomised, active-controlled double-blind, phase 2b clinical trialwww.thelancet.com · www.thelancet.com
  6. Chronic Kidney Disease | Annals of Internal Medicine - ACP Journalswww.acpjournals.org · www.acpjournals.org
  7. Evaluation and Management of Chronic Kidney Diseasewww.acpjournals.org · www.acpjournals.org
  8. Population-Wide Screening for Chronic Kidney Disease: A Cost ...www.acpjournals.org · www.acpjournals.org
  9. Risk of Hospital Readmission among People with CKD : Clinical Journal of the American Society of Nephrologyjournals.lww.com · journals.lww.com
  10. Albuminuria in Heart Failure : Cardiology in Reviewjournals.lww.com · journals.lww.com
  11. Baseline, Early Changes, and Residual Albuminuria : Clinical Journal of the American Society of Nephrologyjournals.lww.com · journals.lww.com
  12. Early-Stage Chronic Kidney Disease and Related... : JAMA Network Openjournals.lww.com · journals.lww.com
  13. Executive summary of the KDIGO 2022 Clinical Practice Guideline for Diabetes Management in Chronic Kidney Disease: an update based on rapidly emerging new evidencewww.kidney-international.org · www.kidney-international.org
  14. KDIGO 2022 Clinical Practice Guideline for Diabetes Management ...www.kidney-international.org · www.kidney-international.org
  15. KDIGO 2024 Clinical Practice Guideline for the Evaluation and ...www.kidney-international.org · www.kidney-international.org
  16. KDIGO 2020 Clinical Practice Guideline for Diabetes Management ...www.kidney-international.org · www.kidney-international.org
  17. [PDF] Chronic Kidney Disease (CKD) - American Society of Nephrologywww.asn-online.org · www.asn-online.org
  18. Real-Life Experience on the Effect of SGLT2 Inhibitors vs. Finerenone vs. Combination on Albuminuria in Chronic Kidney Diseasepmc.ncbi.nlm.nih.gov · pmc.ncbi.nlm.nih.gov
  19. Clinical Review - Finerenone (Kerendia) - NCBI Bookshelfwww.ncbi.nlm.nih.gov · www.ncbi.nlm.nih.gov
  20. The appropriateness of finerenone initiation, dosing, and outcomes in diabetic kidney disease: data from real world practice - PMCpmc.ncbi.nlm.nih.gov · pmc.ncbi.nlm.nih.gov
  21. Protecting the Kidneys: Update on Therapies to Treat Diabetic Nephropathypmc.ncbi.nlm.nih.gov · pmc.ncbi.nlm.nih.gov
  22. Dosing, treatment patterns and safety of finerenone use in routine care: an interim analysis of the prospective, real-world and observational FINE-REAL study - PMCpmc.ncbi.nlm.nih.gov · pmc.ncbi.nlm.nih.gov
  23. [PDF] Observational Study/Post Authorization Safety Study (PASS ...catalogues.ema.europa.eu · catalogues.ema.europa.eu
  24. [PDF] Kerendia-5200- II-01-G, INN-finerenone - European Medicines Agencywww.ema.europa.eu · www.ema.europa.eu