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Background Higher temperatures are associated with higher rates of hospital admissions for nephrolithiasis and acute kidney injury. Occupational heat stress is also a risk factor for kidney dysfunction in resource-poor settings. It is unclear whether ambient heat exposure is associated with loss of kidney function in patients with established chronic kidney disease. We assessed the association between heat index and change in estimated glomerular filtration rate (eGFR) in participants from the DAPA-CKD trial in a post-hoc analysis. Methods DAPA-CKD was a randomised controlled trial of oral dapagliflozin 10 mg once daily or placebo that enrolled participants aged 18 years or older, with or without type 2 diabetes, with a urinary albumin-to-creatinine ratio of 200–5000 mg/g, and an eGFR of 25–75 mL/min per 1·73 m2. In this post-hoc analysis, we explored the association between time-varying daily centre-level heat index (ERA5 dataset) and individual-level change in eGFR in trial participants using linear mixed effect models and case-time series. The DAPA-CKD trial is registered with ClinicalTrials.gov, NCT03036150. Findings Climate and eGFR data were available for 4017 (93·3%) of 4304 participants in 21 countries (mean age: 61·9 years; mean eGFR: 43·3 mL per 1·73 m2; median 28 months follow-up). Across centres, a heat index of more than 30°C occurred on a median of 0·6% of days. In adjusted linear mixed effect models, within each 120-day window, each 30 days’ heat index of more than 30°C was associated with a –0·6% (95% CI –0·9% to –0·3%) change in eGFR. Similar estimates were obtained using case-time series. Additional analyses over longer time-windows showed associations consistent with haemodynamic or seasonal variability, or both, but overall estimates corresponded to an additional 3·7 mL per 1·73 m2 (95% CI 0·1 to 7·0) loss of eGFR per year in a patient with an eGFR of 45 mL per 1·73 m2 located in a very hot versus a temperate environ, Background: Higher temperatures are associated with higher rates of hospital admissions for nephrolithiasis and acute kidney injury. Occupational heat stress is also a risk factor for kidney dysfunction in resource-poor settings. It is unclear whether ambient heat exposure is associated with loss of kidney function in patients with established chronic kidney disease. We assessed the association between heat index and change in estimated glomerular filtration rate (eGFR) in participants from the DAPA-CKD trial in a post-hoc analysis. Methods: DAPA-CKD was a randomised controlled trial of oral dapagliflozin 10 mg once daily or placebo that enrolled participants aged 18 years or older, with or without type 2 diabetes, with a urinary albumin-to-creatinine ratio of 200–5000 mg/g, and an eGFR of 25–75 mL/min per 1·73 m2. In this post-hoc analysis, we explored the association between time-varying daily centre-level heat index (ERA5 dataset) and individual-level change in eGFR in trial participants using linear mixed effect models and case-time series. The DAPA-CKD trial is registered with ClinicalTrials.gov, NCT03036150. Findings: Climate and eGFR data were available for 4017 (93·3%) of 4304 participants in 21 countries (mean age: 61·9 years; mean eGFR: 43·3 mL per 1·73 m2; median 28 months follow-up). Across centres, a heat index of more than 30°C occurred on a median of 0·6% of days. In adjusted linear mixed effect models, within each 120-day window, each 30 days’ heat index of more than 30°C was associated with a –0·6% (95% CI –0·9% to –0·3%) change in eGFR. Similar estimates were obtained using case-time series. Additional analyses over longer time-windows showed associations consistent with haemodynamic or seasonal variability, or both, but overall estimates corresponded to an additional 3·7 mL per 1·73 m2 (95% CI 0·1 to 7·0) loss of eGFR per year in a patient with an eGFR of 45 mL per 1·73 m2 located in a very hot versus

BACKGROUND: The Dapagliflozin and Prevention of Adverse Outcomes in CKD (DAPA-CKD) trial enrolled patients with estimated glomerular filtration rate 25-75 mL/min/1.73 m2 and urine albumin-to-creatinine ratio >200 mg/g. The Dapagliflozin Effect on CardiovascuLAR Events-Thrombolysis in Myocardial Infarction 58 (DECLARE-TIMI 58) trial enrolled patients with type 2 diabetes, a higher range of kidney function and no albuminuria criterion. The study objective was to estimate the cost-effectiveness of dapagliflozin in a broad chronic kidney disease population based on these two trials in the UK, Spain, Italy and Japan.METHODS: We adapted a published Markov model based on the DAPA-CKD trial but to a broader population, irrespective of urine albumin-to-creatinine ratio, using patient-level data from the DAPA-CKD and DECLARE-TIMI 58 trials. We sourced cost and utility inputs from literature and the DAPA-CKD trial. The analysis considered healthcare system perspectives over a lifetime horizon.RESULTS: Treatment with dapagliflozin was predicted to attenuate disease progression and extend projected life expectancy by 0.64 years (12.5 versus 11.9 years, undiscounted) in the UK, with similar estimates in other settings. Clinical benefits translated to mean quality-adjusted life year (QALY; discounted) gains between 0.45 and 0.68 years across countries. Incremental cost-effectiveness ratios in the UK, Spain, Italy and Japan ($10 676/QALY, $14 479/QALY, $7771/QALY and $13 723/QALY, respectively) were cost-effective at country-specific willingness-to-pay thresholds. Subgroup analyses suggest dapagliflozin is cost-effective irrespective of urinary albumin-to-creatine ratio and type 2 diabetes status.CONCLUSION: Treatment with dapagliflozin may be cost-effective for patients across a wider spectrum of estimated glomerular filtration rates and albuminuria than previously demonstrated, with or without type 2 diabetes, in the UK, Spanish, Italian and Japanese he

BACKGROUND AND AIMS: Sodium-glucose cotransporter 2 inhibitors decrease blood pressure in patients with type 2 diabetes, but the consistency and magnitude of blood pressure lowering with dapagliflozin in patients with chronic kidney disease (CKD) is unknown. We conducted a prespecified analysis of the DAPA-CKD trial to investigate the effect of dapagliflozin on systolic blood pressure (SBP) in patients with CKD, with and without type 2 diabetes.METHODS: A total of 4304 adults with baseline estimated glomerular filtration rate (eGFR) 25-75 mL/min/1.73m 2 and urinary albumin-to-creatinine ratio (UACR) 200-5000 mg/g were randomized to either dapagliflozin 10 mg or placebo once daily; median follow-up was 2.4 years. The primary endpoint was a composite of sustained ≥50% eGFR decline, end-stage kidney disease, or death from a kidney or cardiovascular cause. Change in SBP was a prespecified outcome. RESULTS: Baseline mean (SD) SBP was 137.1 mmHg (17.4). By Week 2, dapagliflozin compared to placebo reduced SBP by 3.6 mmHg (95% CI 2.8-4.4 mmHg), an effect maintained over the duration of the trial (2.9 mmHg, 2.3-3.6 mmHg). Time-averaged reductions in SBP were 3.2 mmHg (2.5-4.0 mmHg) in patients with diabetes and 2.3 mmHg (1.2-3.4 mmHg) in patients without diabetes. The time-averaged effect of dapagliflozin on diastolic blood pressure (DBP) was 1.0 mmHg (0.6-1.4 mmHg); 0.8 mmHg (0.4-1.3 mmHg) in patients with diabetes and 1.4 mmHg (0.7-2.1 mmHg) in patients without diabetes. Benefits of dapagliflozin on the primary composite and secondary endpoints were evident across the spectrum of baseline SBP and DBP.CONCLUSION: In patients with CKD and albuminuria, randomization to dapagliflozin was associated with modest reductions in systolic and diastolic BP.

BACKGROUND: The sodium-glucose cotransporter type 2 inhibitor dapagliflozin reduces the risk of progressive kidney disease and cardiovascular events in patients with chronic kidney disease, with and without type 2 diabetes. Whether its effects are uniform across the spectrum of age and among men and women is unknown.OBJECTIVE: We performed a pre-specified analysis in DAPA-CKD to evaluate efficacy and safety of dapagliflozin according to baseline age and sex.DESIGN: Prospective randomized placebo-controlled trial.PARTICIPANTS: A total of 4304 adults with chronic kidney disease (estimated glomerular filtration rate (eGFR) 25-75 mL/min/1.73 m 2; urinary albumin-to-creatinine ratio 200-5000 mg/g) with and without type 2 diabetes. INTERVENTION: Dapagliflozin 10 mg versus placebo once daily.MAIN MEASURES: Primary endpoint was a composite of ≥ 50% sustained eGFR decline, end-stage kidney disease, and kidney or cardiovascular death. Secondary endpoints included kidney composite endpoint (same as primary composite endpoint but without cardiovascular death), cardiovascular composite endpoint (hospitalized heart failure or cardiovascular death), and all-cause mortality.KEY RESULTS: Median follow-up was 2.4 years. Absolute risks of cardiovascular composite endpoint and all-cause mortality were higher in older patients. Absolute risk of kidney composite endpoint was highest in patients < 50 years (10.7 and 6.2 per 100 patient-years in the placebo and dapagliflozin groups, respectively) and lowest in patients ≥ 80 years (3.0 and 1.2 per 100 patient-years in the placebo and dapagliflozin groups, respectively). There was no evidence of heterogeneity of the effects of dapagliflozin on the primary or secondary endpoints based on age or sex. Neither age nor sex modified the effects of dapagliflozin on total or chronic eGFR slope.CONCLUSIONS: Dapagliflozin reduced the risks of mortality, cardiovascular events, and CKD progression i

Background: A sizeable proportion of patients with chronic kidney disease (CKD) are reported to be frail. Here we examined the safety andefficacy of dapagliflozin in patients with CKD by frailty level.Methods: Adults with CKD, with/without type 2 diabetes, with an estimated glomerular filtration rate (eGFR) of 25–75 mL/min/1.73 m2 , andurinary albumin-to-creatinine ratio 200–5 000 mg/g were randomized to dapagliflozin (10 mg/day) or placebo. The primary endpoint was a com-posite of sustained ≥50% eGFR decline, end-stage kidney disease (ESKD), or death from kidney or cardiovascular (CV) causes.Results: Frailty index (FI), assessed by Rockwood cumulative deficit approach, was calculable in 4 303/4 304 (99.9%) patients: 1 162 (27.0%)in not-to-mildly frail (FI ≤0.210), 1 642 (38.2%) in moderately frail (FI 0.211–0.310), and 1 499 (34.8%) in severely frail categories (FI >0.311).Dapagliflozin reduced the risk of the primary composite endpoint across all FI categories (hazard ratios [95% confidence interval {CI}]: 0.50[0.33–0.76], 0.62 [0.45–0.85], and 0.64 [0.49–-0.83], respectively; p-interaction = 0.67). Results were similar for secondary outcomes includ-ing kidney composite outcome (sustained ≥50% eGFR decline, ESKD or death from kidney cause; p-interaction = 0.44), CV endpoint (heartfailure hospitalization or CV death; p-interaction = 0.63), and all-cause mortality (p-interaction p = .42). Results were consistent when usingFI as a continuous variable. Occurrence of serious adverse events was numerically lower in patients receiving dapagliflozin versus placeboin all FI categories (16.9% vs 20.1%, 26.3% vs 30.7%, and 42.9% vs 47.8%, in not-to-mildly, moderately, and severely frail categories,respectively).Conclusions: The relative benefit of dapagliflozin for all outcomes was consistent across all frailty categories, with no difference in associatedsafety., BACKGROUND: A sizeable proportion of patients with chronic kidney disease (CKD) are reported to be frail. Here we examined the safety and efficacy of dapagliflozin in patients with CKD by frailty level.METHODS: Adults with CKD, with/without type 2 diabetes, with estimated glomerular filtration rate (eGFR) 25-75 mL/min/1.73m 2 and urinary albumin-to-creatinine ratio 200-5000 mg/g were randomized to dapagliflozin (10 mg/day) or placebo. The primary endpoint was composite of sustained ≥50% eGFR decline, end-stage kidney disease (ESKD) or death from kidney or cardiovascular (CV) causes.RESULTS: Frailty index (FI), assessed by Rockwood cumulative deficit approach, was calculable in 4303/4304 (99.9%) patients: 1162 (27.0%) in not-to-mildly frail(FI≤0.210), 1642 (38.2%) in moderately frail(FI 0.211-0.310), and 1499 (34.8%) in severely frail categories (FI>0.311). Dapagliflozin reduced the risk of the primary composite endpoint across all FI categories (hazard ratios [95% CI]: 0.50 [0.33-0.76], 0.62 [0.45-0.85], and 0.64 [0.49-0.83], respectively (P-interaction =0.67). Results were similar for secondary outcomes including kidney composite outcome (sustained ≥50% eGFR decline, ESKD or death from kidney cause; P-interaction=0.44), CV endpoint (heart failure hospitalization or CV death; P-interaction=0.63), and all-cause mortality (P-interaction p=0.42). Results were consistent when using FI as a continuous variable. Occurrence of serious adverse events was numerically lower in patients receiving dapagliflozin vs. placebo in all FI categories (16.9% vs. 20.1%, 26.3% vs. 30.7%, and 42.9% vs 47.8%, in not-to-mildly, moderately and severely frail categories, respectively).CONCLUSIONS: The relative benefit of dapagliflozin for all outcomes was consistent across all frailty categories, with no difference in associated safety.

Background The Dapagliflozin and Prevention of Adverse Outcomes in Chronic Kidney Disease (DAPA-CKD) trial assessed dapagliflozin versus placebo, in addition to standard therapy, in patients with chronic kidney disease (CKD) and albuminuria, and was terminated prematurely due to overwhelming efficacy. The study objective was to model the long-term clinical outcomes of DAPA-CKD beyond the trial follow-up. Methods A Markov model extrapolated event incidence per 1000 patients and CKD progression rates for patients receiving dapagliflozin or placebo over a 10-year time horizon. We derived treatment-specific CKD stage transition matrices using DAPA-CKD trial data. We extrapolated relevant efficacy endpoints using parametric survival equations for all-cause mortality and generalized estimating equations for recurrent events. Results When extrapolated over a 10-year period, patients randomized to dapagliflozin spent more time in CKD stages 1-3 and less in stages 4-5 than placebo [0.65 (95% CrI 0.41, 0.90) and -0.23 (95% CrI -0.45, 0.00) years per patient, respectively]. Dapagliflozin prevented an estimated 83 deaths and 51 patients initiating kidney replacement therapy per 1000 patients over 10 years. Predicted rates of hospitalized heart failure and abrupt declines in kidney function were reduced (19 and 39 estimated events per 1000 patients, respectively). Conclusions Adding dapagliflozin to standard therapeutic management of CKD is expected to have long-term cardiorenal benefit beyond what has been demonstrated in the DAPA-CKD trial, with patients predicted to live longer with fewer complications.

OBJECTIVE To determine whether the benefits of dapagliflozin in patients with type 2 diabetes and chronic kidney disease (CKD) in the Dapagliflozin And Prevention of Adverse Outcomes in CKD trial (DAPA-CKD) varied by background glucose-lowering therapy (GLT). RESEARCH DESIGN AND METHODS We randomized 4,304 adults (including 2,906 with type 2 diabetes) with a baseline estimated glomerular filtration rate (eGFR) 25–75 mL/min/1.73 m2 and uri-nary albumin-to-creatinine ratio of 200–5,000 mg/g to dapagliflozin 10 mg or placebo once daily (NCT03036150). The primary end point was a composite of ‡50% eGFR decline, end-stage kidney disease, and kidney or cardiovascular cause of death. Secondary end points included a kidney composite end point (primary composite end point without cardiovascular death), a cardiovascular composite end point (hospitalized heart failure or cardiovascular death), and all-cause mor-tality. In this prespecified analysis, we investigated the effects of dapagliflozin on these and other outcomes according to baseline GLT class or number of GLTs. RESULTS The effects of dapagliflozin on the primary composite outcome were consistent across GLT classes and according to the number of GLTs (all interaction P > 0.08). Similarly, we found consistent benefit of dapagliflozin compared with placebo on the secondary end points regardless of background GLT class or number of GLTs. The same applied to the rate of decline in the eGFR rate and safety end points. Dapagliflozin reduced the initiation of insulin therapy during follow-up compared with placebo (hazard ratio 0.72; 95% CI 0.54–0.96; P = 0.025). CONCLUSIONS Dapagliflozin reduced kidney and cardiovascular events in patients with type 2 diabetes and CKD across baseline GLT class or classes in combination.

BACKGROUND: Acute hospitalizations are common in patients with chronic kidney disease (CKD) and often lead to decreases in health-related quality of life and increased care costs. OBJECTIVE: To determine the effects of dapagliflozin on first hospitalizations and all (first and subsequent) hospitalizations and to explore effects on cause-specific hospitalizations. DESIGN: Post hoc analysis of a randomized, double-blind, placebo-controlled clinical trial. (ClinicalTrials.gov: NCT03036150). SETTING: 386 ambulatory practice sites in 21 countries from 2 February 2017 through 12 June 2020. PARTICIPANTS: Adults with an estimated glomerular filtration rate of 25 to 75 mL/min/1.73 m2 and a urinary albumin-creatinine ratio of 200 to 5000 mg/g, with and without type 2 diabetes. INTERVENTION: Dapagliflozin, 10 mg once daily, or matching placebo (1:1 ratio). MEASUREMENTS: The effects of dapagliflozin on first hospitalizations for any cause, all hospitalizations, and cause-specific (first and recurrent) hospitalizations were determined. The reported system organ class was used to evaluate reasons for admission. Hospitalizations were analyzed using Cox proportional hazards regression models (first hospitalization), the Lin-Wei-Yang-Ying method (all hospitalizations or death), and negative binomial models (cause-specific hospitalizations). RESULTS: The study included 4304 patients (mean age, 61.8 years; 33.1% women). During a median follow-up of 2.4 years, 2072 hospitalizations were reported among 1224 (28.4%) participants. Compared with placebo, dapagliflozin reduced risk for a first hospitalization (hazard ratio, 0.84 [95% CI, 0.75 to 0.94]) and all hospitalizations or death (rate ratio, 0.79 [CI, 0.70 to 0.89]). There was no evidence that the effects of dapagliflozin on first and all hospitalizations varied by baseline presence of type 2 diabetes (P for interaction = 0.60 for each). Compared with placebo, dapagliflozin reduced the rate of admissions due to cardiac disorders

BackgroundIn the DAPA-CKD (Dapagliflozin in Patients with Chronic Kidney Disease) trial, dapagliflozin improved kidney and cardiovascular outcomes in patients with chronic kidney disease (CKD) with or without type 2 diabetes (T2D). In this post hoc analysis of DAPA-CKD, we assessed the effects of dapagliflozin on the correction and prevention of anemia.MethodsThe DAPA-CKD trial randomized patients (1:1) with an estimated glomerular filtration rate of 25 to 75 ml/min/1.73 m2 and a urinary albumin-to-creatinine ratio of 200 to 5000 mg/g to receive dapagliflozin 10 mg or placebo daily. Hematocrit was measured at baseline, 2 weeks, 2 and 4 months, and every 4 months thereafter. Anemia was defined as hematocrit less than 39% in men and less than 36% in women. Correction and incidence of anemia were defined as two consecutive measurements above or below these thresholds relative to baseline, respectively, during follow-up. We classified anemia-related adverse events using data from site investigator reports.ResultsMean age of the 4304 participants was 61.8 years, and 67.5% had T2D. Among the 4292 (99.7%) participants with baseline hematocrit data, 1716 (40.0%) had anemia. Over the 2.4-year median follow-up, patients assigned to dapagliflozin had an increase in hematocrit of 2.3 percentage points (95% confidence interval [CI], 2.1 to 2.5) greater than those assigned to placebo. Among patients with anemia at baseline, anemia was corrected in 443 (53.3%) patients randomized to receive dapagliflozin and 247 (29.4%) patients randomized to receive placebo (hazard ratio, 2.29; 95% CI, 1.96 to 2.68). Among patients without anemia at baseline, 10.4% of patients assigned to dapagliflozin developed incident anemia compared with 23.7% in the placebo group (hazard ratio, 0.39; 95% CI, 0.31 to 0.48). Anemia-related adverse events occurred in 2.2% of patients assigned to dapagliflozin compared with 3.8% assigned to placebo. Effects of dapagliflozin on the correction and prevention of an, DAPA and Anemia in Patients with CKDThis post hoc analysis of the DAPA-CKD (Dapagliflozin in Patients with Chronic Kidney Disease) trial assessed the impact of dapagliflozin treatment on the correction and prevention of anemia. Results over a 2.4-year median follow-up show that dapagliflozin is associated with increase in hematocrit, correction of anemia, and reduced risk of incident anemia in patients with CKD with or without type 2 diabetes.

Rationale & Objective In FIDELITY, finerenone improved cardiorenal outcomes in patients with chronic kidney disease (CKD) and type 2 diabetes. This analysis explores the efficacy and safety of finerenone in Hispanic patients. Study Design Post hoc analysis of the FIDELITY prespecified pooled analysis of the FIDELIO-DKD and FIGARO-DKD randomized control trials. Setting & Participants Patients with type 2 diabetes and CKD (urinary albumin-to-creatinine ratio [UACR] of ≥30 to <300 mg/g and estimated glomerular filtration rate [eGFR] of ≥25-≤90 mL/min/1.73 m2, or UACR of ≥300 to ≤5,000 and eGFR of ≥25 mL/min/1.73 m2) on optimized renin–angiotensin system blockade. Intervention Finerenone or placebo. Outcomes Cardiovascular composite (cardiovascular death, nonfatal myocardial infarction, nonfatal stroke, or hospitalization for heart failure); kidney composite (kidney failure, sustained ≥57% eGFR decline, or renal death); change in UACR. Results Of 13,026 patients, 2,099 (16.1%) self-identified as Hispanic. Median follow-up was 3.0 years. The cardiovascular composite outcome occurred in 10.0% of Hispanic patients receiving Finerenone and in 12.3% of Hispanic patients receiving placebo (HR, 0.80; 95% CI, 0.62-1.04). This was consistent with non-Hispanic patients (HR, 0.87; 95% CI, 0.79-0.97; Pinteraction= 0.59). The kidney composite outcome occurred in 6.5% and 6.6% of Hispanic patients with finerenone and placebo, respectively (HR, 0.94; 95% CI, 0.67-1.33). The risk reduction was consistent with that observed in non-Hispanic patients (HR, 0.75; 95% CI, 0.64-0.87; Pinteraction= 0.22). Finerenone reduced UACR by 32% at month 4 in both Hispanic and non-Hispanic patients versus placebo (P < 0.001 for both patient groups). The safety profile of finerenone and incidence of hyperkalemia was similar between Hispanic and non-Hispanic patient groups. Limitations Small sample size, short, Rationale & Objective: In FIDELITY, finerenone improved cardiorenal outcomes in patients with chronic kidney disease (CKD) and type 2 diabetes. This analysis explores the efficacy and safety of finerenone in Hispanic patients. Study Design: Post hoc analysis of the FIDELITY prespecified pooled analysis of the FIDELIO-DKD and FIGARO-DKD randomized control trials. Setting & Participants: Patients with type 2 diabetes and CKD (urinary albumin-to-creatinine ratio [UACR] of ≥30 to <300 mg/g and estimated glomerular filtration rate [eGFR] of ≥25-≤90 mL/min/1.73 m2, or UACR of ≥300 to ≤5,000 and eGFR of ≥25 mL/min/1.73 m2) on optimized renin–angiotensin system blockade. Intervention: Finerenone or placebo. Outcomes: Cardiovascular composite (cardiovascular death, nonfatal myocardial infarction, nonfatal stroke, or hospitalization for heart failure); kidney composite (kidney failure, sustained ≥57% eGFR decline, or renal death); change in UACR. Results: Of 13,026 patients, 2,099 (16.1%) self-identified as Hispanic. Median follow-up was 3.0 years. The cardiovascular composite outcome occurred in 10.0% of Hispanic patients receiving Finerenone and in 12.3% of Hispanic patients receiving placebo (HR, 0.80; 95% CI, 0.62-1.04). This was consistent with non-Hispanic patients (HR, 0.87; 95% CI, 0.79-0.97; Pinteraction= 0.59). The kidney composite outcome occurred in 6.5% and 6.6% of Hispanic patients with finerenone and placebo, respectively (HR, 0.94; 95% CI, 0.67-1.33). The risk reduction was consistent with that observed in non-Hispanic patients (HR, 0.75; 95% CI, 0.64-0.87; Pinteraction= 0.22). Finerenone reduced UACR by 32% at month 4 in both Hispanic and non-Hispanic patients versus placebo (P < 0.001 for both patient groups). The safety profile of finerenone and incidence of hyperkalemia was similar between Hispanic and non-Hispanic patient groups. Limitations: Small sample size, short follow-up time, and lower tr

Significance Statement Angiotensin-converting enzyme (ACE) inhibitors and angiotensin receptor blockers (ARBs) are foundational therapy for CKD but are underused, in part because they are frequently withheld and not restarted due to hyperkalemia, AKI, or hospitalization. Consequently, ensuring persistent use of ACE inhibitors and ARBs in CKD has long been a major clinical priority. In this joint analysis of the CREDENCE and DAPA-CKD trials, the relative risk of discontinuation of ACE inhibitors and ARBs was reduced by 15% in patients randomized to sodium–glucose cotransporter 2 (SGLT2) inhibitors. This effect was more pronounced in patients with urine albumin:creatinine ratio ≥1000 mg/g, for whom the absolute benefits of these medications are the greatest. These findings indicate that SGLT2 inhibitors may enable better use of ACE inhibitors and ARBs in patients with CKD. Background Strategies to enable persistent use of renin–angiotensin system (RAS) blockade to improve outcomes in CKD have long been sought. The effect of SGLT2 inhibitors on discontinuation of RAS blockade has yet to be evaluated. Methods We conducted a joint analysis of canagliflozin and renal events in diabetes with established nephropathy clinical evaluation (CREDENCE) and dapagliflozin and prevention of adverse outcomes in CKD (DAPA-CKD), two randomized, double-blind, placebo-controlled, event-driven trials of SGLT2 inhibitors in patients with albuminuric CKD. The main outcome was time to incident temporary or permanent discontinuation of RAS blockade, defined as interruption of an ACE inhibitor or ARB for at least 4 weeks or complete cessation during the double-blind on-treatment period. Cox regression analyses were used to estimate the treatment effects from each trial. Hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) were pooled with fixed effects meta-analysis to obtain summary treatment effects, overall and across key subgroups., Background Strategies to enable persistent use of renin–angiotensin system (RAS) blockade to improve outcomes in CKD have long been sought. The effect of SGLT2 inhibitors on discontinuation of RAS blockade has yet to be evaluated. Methods We conducted a joint analysis of canagliflozin and renal events in diabetes with established nephropathy clinical evaluation (CREDENCE) and dapagliflozin and prevention of adverse outcomes in CKD (DAPA-CKD), two randomized, double-blind, placebo-controlled, event-driven trials of SGLT2 inhibitors in patients with albuminuric CKD. The main outcome was time to incident temporary or permanent discontinuation of RAS blockade, defined as interruption of an ACE inhibitor or ARB for at least 4 weeks or complete cessation during the double-blind on-treatment period. Cox regression analyses were used to estimate the treatment effects from each trial. Hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) were pooled with fixed effects meta-analysis to obtain summary treatment effects, overall and across key subgroups. Results During median follow-up of 2.2 years across both trials, 740 of 8483 (8.7%) patients discontinued RAS blockade. The relative risk for discontinuation of RAS blockade was 15% lower in patients randomized to receiving SGLT2 inhibitors (HR, 0.85; 95% CI, 0.74 to 0.99), with consistent effects across trials (P-heterogeneity 5 0.92). The relative effect on RAS blockade discontinuation was more pronounced among patients with baseline urinary albumin:creatinine ratio $1000 mg/g (pooled HR, 0.77; 95% CI, 0.63 to 0.94; P-heterogeneity 5 0.009). Conclusions In patients with albuminuric CKD with and without type 2 diabetes, SGLT2 inhibitors facilitate the use of RAS blockade.