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1.
Cochrane Database Syst Rev ; 6: CD013414, 2024 Jun 04.
Article in English | MEDLINE | ID: mdl-38837240

ABSTRACT

BACKGROUND: Metformin has been used in the management of diabetes for decades. It is an effective, low-cost intervention with a well-established safety profile. Emerging evidence suggests that metformin targets a number of pathways that lead to chronic kidney damage, and long-term use may, therefore, slow the rate of kidney function decline and chronic kidney disease (CKD) progression. OBJECTIVES: To evaluate the effect of metformin therapy on kidney function decline in patients with CKD with or without diabetes mellitus and assess the safety and dose tolerability in this population. SEARCH METHODS: We searched the Cochrane Kidney and Transplant Register of Studies up to 19 July 2023 with assistance from an Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Registry Platform (ICTRP) Search Portal and ClinicalTrials.gov. SELECTION CRITERIA: We included randomised controlled trials (RCTs) that reported kidney-related outcomes with a minimum duration of 12 months delivery of the metformin intervention and whose eligibility criteria included adult participants with either i) a diagnosis of CKD of any aetiology and/or ii) those with a diagnosis of diabetes mellitus. Comparisons included placebo, no intervention, non-pharmacological interventions, other antidiabetic medications or any other active control. Studies that included patients on any modality of kidney replacement therapy were excluded. DATA COLLECTION AND ANALYSIS: Two authors independently carried out data extraction using a standard data extraction form. The methodological quality of the included studies was assessed using the Cochrane risk of bias tool. Summary estimates of effect were obtained using a random-effects model, and results were expressed as risk ratios (RR) and their 95% confidence intervals (CI) for dichotomous outcomes and mean difference (MD) and 95% CI for continuous outcomes. Confidence in the evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. MAIN RESULTS: This review included 11 studies reporting on 8449 randomised participants. Studies were conducted in patient populations with Autosomal Dominant Polycystic Kidney Disease (ADPKD) (four studies) or diabetes mellitus (seven studies). Six studies compared metformin with no active control, four studies compared metformin with active controls (rosiglitazone, glyburide, pioglitazone, or glipizide), and one study included treatment arms that randomised to either metformin, diet and lifestyle modifications, or other antidiabetic therapies. The risk of bias in included studies varied; two studies were abstract-only publications and were judged to have a high risk of bias in most domains. Other included publications were judged to have a low risk of bias in most domains. Across comparisons, GRADE evaluations for most outcomes were judged as low or very low certainty, except for those relating to side effects, tolerance, and withdrawals, which were judged as moderate certainty. The evidence suggests that compared to placebo, metformin may result in i) a slightly smaller decline in kidney function (3 studies, 505 participants: MD 1.92 mL/min, 95% CI 0.33 to 3.51; I2 = 0%; low certainty), ii) very uncertain effects on the incidence of kidney failure (1 study, 753 participants: RR 1.20, 95% CI 0.17 to 8.49), iii) little or no effect on death (3 studies, 865 participants: RR 1.00, 95% CI 0.76 to 1.32; I2 = 0%; moderate certainty), iv) little or no effect on the incidence of serious adverse events (3 studies, 576 participants: RR 1.15, 95% CI 0.76 to 1.72; I2 = 0%; moderate certainty), and v) likely higher incidence of intolerance leading to study withdrawal than placebo (4 studies, 646 participants: RR 2.19, 95% CI 1.46 to 3.27; I2 = 0%; moderate certainty). The certainty of the evidence for proteinuria was very uncertain. Compared to other active controls (rosiglitazone, glyburide, pioglitazone, or glipizide), metformin i) demonstrated very uncertain effects on kidney function decline, ii) may result in little or no difference in death (3 studies, 5608 participants: RR 0.95 95% CI 0.63 to 1.43; I2 = 0%; low certainty), iii) probably results in little or no difference in intolerance leading to study withdrawal (3 studies, 5593 participants: RR 0.92, 95% CI, 0.79 to 1.08; I2 = 0%; moderate certainty), iv) probably results in little or no difference in the incidence of serious adverse events (2 studies, 5545 participants: RR 1.16, 95% CI 0.79 to 1.71; I2 = 0%; moderate certainty), and v) may increase the urinary albumin-creatinine ratio (2 studies, 3836 participants: MD 14.61, 95% CI 8.17 to 21.05; I2 = 0%; low certainty). No studies reported the incidence of kidney failure. AUTHORS' CONCLUSIONS: This review highlights the lack of RCTs reporting on the effects of metformin on kidney function, particularly in patients with CKD. Future research in this field requires adequately powered RCTs comparing metformin to placebo or standard care in those with CKD. Seven ongoing studies were identified in this review, and future updates, including their findings, may further inform the results of this review.


Subject(s)
Disease Progression , Hypoglycemic Agents , Metformin , Randomized Controlled Trials as Topic , Renal Insufficiency, Chronic , Metformin/therapeutic use , Metformin/adverse effects , Humans , Renal Insufficiency, Chronic/complications , Hypoglycemic Agents/therapeutic use , Hypoglycemic Agents/adverse effects , Glomerular Filtration Rate/drug effects , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Adult , Bias
2.
Cardiovasc Diabetol ; 23(1): 184, 2024 May 29.
Article in English | MEDLINE | ID: mdl-38811998

ABSTRACT

BACKGROUND: Use of sodium-glucose-cotransporter-2 (SGLT2) inhibitors often causes an initial decline in glomerular filtration rate (GFR). This study addresses the question whether the initial decline of renal function with SGLT2 inhibitor treatment is related to vascular changes in the systemic circulation. METHODS: We measured GFR (mGFR) and estimated GFR (eGFR) in 65 patients with type 2 diabetes (T2D) at baseline and after 12 weeks of treatment randomized either to a combination of empagliflozin and linagliptin (SGLT2 inhibitor based treatment group) (n = 34) or metformin and insulin (non-SGLT2 inhibitor based treatment group) (n = 31). mGFR was measured using the gold standard clearance technique by constant infusion of inulin. In addition to blood pressure (BP), we measured pulse wave velocity (PWV) under standardized conditions reflecting vascular compliance of large arteries, as PWV is considered to be one of the most reliable vascular parameter of cardiovascular (CV) prognosis. RESULTS: Both mGFR and eGFR decreased significantly after initiating treatment, but no correlation was found between change in mGFR and change in eGFR in either treatment group (SGLT2 inhibitor based treatment group: r=-0.148, p = 0.404; non-SGLT2 inhibitor based treatment group: r = 0.138, p = 0.460). Noticeably, change in mGFR correlated with change in PWV (r = 0.476, p = 0.005) in the SGLT2 inhibitor based treatment group only and remained significant after adjustment for the change in systolic BP and the change in heart rate (r = 0.422, p = 0.018). No such correlation was observed between the change in eGFR and the change in PWV in either treatment group. CONCLUSIONS: Our main finding is that after initiating a SGLT2 inhibitor based therapy an exaggerated decline in mGFR was related with improved vascular compliance of large arteries reflecting the pharmacologic effects of SGLT2 inhibitor in the renal and systemic vascular bed. Second, in a single patient with T2D, eGFR may not be an appropriate parameter to assess the true change of renal function after receiving SGLT2 inhibitor based therapy. TRIAL REGISTRATION: clinicaltrials.gov (NCT02752113).


Subject(s)
Benzhydryl Compounds , Diabetes Mellitus, Type 2 , Glomerular Filtration Rate , Glucosides , Kidney , Linagliptin , Pulse Wave Analysis , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/adverse effects , Glomerular Filtration Rate/drug effects , Male , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/physiopathology , Diabetes Mellitus, Type 2/diagnosis , Middle Aged , Female , Benzhydryl Compounds/therapeutic use , Benzhydryl Compounds/adverse effects , Aged , Treatment Outcome , Kidney/drug effects , Kidney/physiopathology , Glucosides/therapeutic use , Glucosides/adverse effects , Time Factors , Linagliptin/therapeutic use , Linagliptin/adverse effects , Metformin/therapeutic use , Insulin , Diabetic Nephropathies/physiopathology , Diabetic Nephropathies/diagnosis , Diabetic Nephropathies/drug therapy , Vascular Stiffness/drug effects , Drug Therapy, Combination , Hypoglycemic Agents/therapeutic use , Hypoglycemic Agents/adverse effects , Biomarkers/blood , Clinical Relevance , Sodium-Glucose Transporter 2
3.
Ann Med ; 56(1): 2332956, 2024 Dec.
Article in English | MEDLINE | ID: mdl-38738384

ABSTRACT

PURPOSE: It is unknown whether febuxostat can delay the progression of kidney dysfunction and reduce kidney endpoint events. The aim was to evaluate the renoprotective effect of febuxostat in patients with hyperuricemia or gout by performing a meta-analysis of randomized controlled trials (RCTs). METHODS: MEDLINE, Web of science, EMBASE, ClinicalTrials.gov, and the Cochrane Central Register for Randomized Controlled Trials were searched. The main outcomes included kidney events (serum creatinine doubling or progression to end-stage kidney disease or dialysis). The secondary outcomes were the rate of change in the estimated glomerular filtration rate (eGFR) and changes in the urine protein or urine albumin to creatinine ratio from baseline to the end of follow-up. We used random-effects models to calculate the pooled risk estimates and 95% CIs. RESULTS: A total of 16 RCTs were included in the meta-analysis. In comparison with the control group, the patients who received febuxostat showed a reduced risk of kidney events (RR = 0.56, 95% CI 0.37-0.84, p = 0.006) and a slower decline in eGFR (WMD = 0.90 mL/min/1.73 m2, 95% CI 0.31-1.48, p = 0.003). The pooled results also revealed that febuxostat use reduced the urine albumin to creatinine ratio (SMD = -0.21, 95% CI -0.41 to -0.01, p = 0.042). CONCLUSION: Febuxostat use is associated with a reduced risk of kidney events and a slow decline in eGFR. In addition, the urine albumin to creatinine ratio decreased in febuxostat users. Accordingly, it is an effective drug for delaying the progression of kidney function deterioration in patients with gout.Systematic review registration: PROSPERO CRD42021272591.


Subject(s)
Febuxostat , Glomerular Filtration Rate , Gout Suppressants , Gout , Hyperuricemia , Randomized Controlled Trials as Topic , Humans , Creatinine/urine , Creatinine/blood , Disease Progression , Febuxostat/therapeutic use , Febuxostat/pharmacology , Glomerular Filtration Rate/drug effects , Gout/drug therapy , Gout/complications , Gout Suppressants/therapeutic use , Hyperuricemia/drug therapy , Hyperuricemia/complications , Kidney/physiopathology , Kidney/drug effects , Kidney Failure, Chronic/prevention & control , Kidney Failure, Chronic/complications
4.
Eur Rev Med Pharmacol Sci ; 28(9): 3403-3413, 2024 May.
Article in English | MEDLINE | ID: mdl-38766796

ABSTRACT

OBJECTIVE: Cisplatin is a widely used and potent cytotoxic chemotherapy agent, but its nephrotoxicity is a significant limiting side effect. Various premedication approaches have been implemented to preserve renal function, including magnesium (Mg) preloading. However, the optimal Mg dosage is still unknown. Our study aimed to assess the protective effects of different Mg doses as premedication in cisplatin-based chemoradiotherapy for patients with local/locally advanced cervical and head-neck cancers. PATIENTS AND METHODS: This retrospective, multicenter study involved premedication with saline infusion containing potassium chloride and magnesium sulfate (MgSO4) for all patients before cisplatin treatment. Patients were divided into two groups: 12 mEq MgSO4 (low-dose Mg preload group, low-Mg) and 24 mEq MgSO4 (high-dose Mg preload group, high-Mg). Renal function was evaluated using serum creatinine (sCr, mg/dl) and estimated glomerular filtration rate (eGFR, ml/min). Acute kidney injury (AKI) was defined per the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. Renal outcomes and efficacy were compared between the groups. RESULTS: In the low-Mg group (n = 159), sCr levels were significantly higher compared to baseline, various weeks during treatment, and at the 1st, 3rd, 6th, and 12th months post-treatment (p < 0.001). In the high-Mg group (n = 128), no significant changes were observed during treatment and at 1st, 3rd, and 12th months post-treatment (p > 0.05). A significant reduction in mean sCr level from baseline to 6 months was noted in the high-Mg group (p < 0.001). eGFR values are generally correlated with sCr levels. AKI occurred in 21 (13.2%) and 22 (17.7%) patients in the low-Mg and high-Mg groups, respectively (p = 0.292). There was no difference in progression-free or overall survival between the groups. CONCLUSIONS: We clearly demonstrated that saline hydration with 24 mEql MgSO4 supplementation before cisplatin treatment has a better renal protective effect than 12 mEql MgSO4 without reducing efficacy, especially in patients with local/local advanced cervical and head-neck cancer receiving cisplatin with concurrent radiotherapy.


Subject(s)
Acute Kidney Injury , Cisplatin , Magnesium Sulfate , Cisplatin/adverse effects , Cisplatin/administration & dosage , Humans , Retrospective Studies , Acute Kidney Injury/chemically induced , Acute Kidney Injury/prevention & control , Female , Middle Aged , Magnesium Sulfate/administration & dosage , Magnesium Sulfate/pharmacology , Male , Antineoplastic Agents/adverse effects , Antineoplastic Agents/administration & dosage , Glomerular Filtration Rate/drug effects , Head and Neck Neoplasms/drug therapy , Adult , Magnesium/administration & dosage , Dose-Response Relationship, Drug , Aged
5.
Ecotoxicol Environ Saf ; 278: 116400, 2024 Jun 15.
Article in English | MEDLINE | ID: mdl-38718725

ABSTRACT

Evidence increasingly suggests molybdenum exposure at environmental levels is still associated with adverse human health, emphasizing the necessity to establish a more protective reference dose (RfD). Herein, we conducted a study measuring 15 urinary metals and 30 clinical health indicators in 2267 participants residing near chemical enterprises across 11 Chinese provinces to investigate their relationships. The kidney and cystatin-C emerged as the most sensitive organ and critical effect indicator of molybdenum exposure, respectively. Odds of cystatin-C-defined chronic kidney disease (CKD) in the highest quantile of molybdenum exposure significantly increased by 133.5% (odds ratio [OR]: 2.34, 95% CI: 1.78, 3.11) and 75.8% (OR: 1.76, 95% CI: 1.24, 2.49) before and after adjusting for urinary 14 metals, respectively. Intriguingly, cystatin-C significantly mediated 15.9-89.5% of molybdenum's impacts on liver and lung function, suggesting nephrotoxicity from molybdenum exposure may trigger hepatotoxicity and pulmonary toxicity. We derived a new RfD for molybdenum exposure (0.87 µg/kg-day) based on cystatin-C-defined estimated glomerular filtration rate by employing Bayesian Benchmark Dose modeling analysis. This RfD is significantly lower than current exposure guidance values (5-30 µg/kg-day). Remarkably, >90% of participants exceeded the new RfD, underscoring the significant health impacts of environmental molybdenum exposure on populations in industrial regions of China.


Subject(s)
Molybdenum , Molybdenum/urine , Molybdenum/toxicity , Molybdenum/analysis , Humans , China/epidemiology , Female , Male , Adult , Middle Aged , Environmental Exposure/statistics & numerical data , Environmental Exposure/analysis , Cystatin C , Risk Assessment , Environmental Pollutants/urine , Environmental Pollutants/analysis , Young Adult , Bayes Theorem , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/chemically induced , Aged , Chemical Industry , Kidney/drug effects , Glomerular Filtration Rate/drug effects
6.
Ecotoxicol Environ Saf ; 278: 116424, 2024 Jun 15.
Article in English | MEDLINE | ID: mdl-38723382

ABSTRACT

BACKGROUND: Epidemiological studies have reported associations between heavy metals and renal function. However, longitudinal studies are required to further validate these associations and explore the interactive effects of heavy metals on renal function and their directional influence. METHOD: This study, conducted in Northeast China from 2016 to 2021, included a four-time repeated measures design involving 384 participants (1536 observations). Urinary concentrations of chromium (Cr), cadmium (Cd), manganese (Mn), and lead (Pb) were measured, along with renal biomarkers including urinary microalbumin (umAlb), urinary albumin-to-creatinine ratio (UACR), N-acetyl-ß-D-glucosaminidase (NAG), and ß2-microglobulin (ß2-MG) levels. Estimated glomerular filtration rate (eGFR) was calculated. A Linear Mixed Effects Model (LME) examined the association between individual metal exposure and renal biomarkers. Subsequently, Quantile g-computation and Bayesian Kernel Machine Regression (BKMR) models assessed the overall effects of heavy metal mixtures. Marginal Effect models examined the directional impact of metal interactions in the BKMR on renal function. RESULT: Results indicate significant impacts of individual and combined exposures of Cr, Cd, Pb, and Mn on renal biomarkers. Metal interactions in the BKMR model were observed, with synergistic effects of Cd-Cr on NAG, umAlb, UACR; Cd-Pb on NAG, UACR; Pb-Cr on umAlb, UACR, eGFR-MDRD, eGFR-EPI; and an antagonistic effect of Mn-Pb-Cr on UACR. CONCLUSION: Both individual and combined exposures to heavy metals are associated with renal biomarkers, with significant synergistic interactions leading to renal damage. Our findings elucidate potential interactions among these metals, offering valuable insights into the mechanisms linking multiple metal exposures to renal injury.


Subject(s)
Biomarkers , Metals, Heavy , Metals, Heavy/toxicity , Metals, Heavy/urine , Humans , China/epidemiology , Male , Biomarkers/urine , Female , Longitudinal Studies , Middle Aged , Adult , Environmental Pollutants/toxicity , Glomerular Filtration Rate/drug effects , Environmental Exposure/adverse effects , Kidney/drug effects , Cadmium/toxicity , Cadmium/urine , Acetylglucosaminidase/urine , beta 2-Microglobulin/urine , Environmental Monitoring
7.
Lupus Sci Med ; 11(1)2024 May 28.
Article in English | MEDLINE | ID: mdl-38806217

ABSTRACT

OBJECTIVES: To investigate the effectiveness of belimumab on active lupus nephritis (LN) and explore the predictors, including serological biomarkers, of renal response to belimumab in a real-world setting. METHODS: This multicentre, real-world observational study enrolled patients with active LN receiving intravenous belimumab as an add-on therapy with 24-hour urine protein≥1 g and estimated glomerular filtration rate≥30 mL/min/1.73 m2 at baseline. Complete renal response (CRR), partial renal response (PRR), no renal response (NRR) and primary efficacy renal response (PERR) were evaluated. Multivariable logistic regression was used to identify risk factors for NRR to belimumab at 6 months. RESULTS: Among the 122 patients enrolled, the proportions of patients achieving CRR, PRR, NRR and PERR were 35.9%, 17.1%, 47.0% and 44.4% at 6 months (n=117) and 55.6%, 19.4%, 26.4% and 58.3% at 12 months (n=72), respectively. Proteinuria, daily prednisone dosage and Systemic Lupus Erythematosus Disease Activity Index 2000 scores significantly decreased at 6 and 12 months (p<0.0001). NRR at 6 months (NRR6) was the strongest negative predictor of CRR at 12 months. Baseline anti-dsDNA positivity inversely predicted NRR6 (OR=0.32,95% CI=0.10 to 0.98, p=0.049), while anti-SSA/Ro60 positively predicted NRR6 (OR=3.16, 95% CI=1.14 to 8.74, p=0.027). The combination of anti-SSA/Ro60 and anti-dsDNA serotype quantitatively predicted belimumab renal response. CONCLUSION: The effectiveness of belimumab was reproducible in Chinese patients with active LN. The simple yet interesting serotype predictive model needs further validation and its possible underlying mechanistic relevance deserves further exploration.


Subject(s)
Antibodies, Antinuclear , Antibodies, Monoclonal, Humanized , Glomerular Filtration Rate , Immunosuppressive Agents , Lupus Nephritis , Humans , Lupus Nephritis/drug therapy , Lupus Nephritis/immunology , Female , Male , Antibodies, Monoclonal, Humanized/therapeutic use , Adult , Antibodies, Antinuclear/blood , Immunosuppressive Agents/therapeutic use , Middle Aged , Glomerular Filtration Rate/drug effects , Treatment Outcome , Kidney/physiopathology , Kidney/drug effects , Kidney/immunology , Biomarkers/blood , Young Adult , Proteinuria/drug therapy , DNA
8.
Adv Ther ; 41(6): 2500-2518, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38691316

ABSTRACT

INTRODUCTION: Individuals with chronic hypoparathyroidism managed with conventional therapy (active vitamin D and calcium) have an increased risk for renal dysfunction versus age- and sex-matched controls. Treatments that replace the physiologic effects of parathyroid hormone (PTH) while reducing the need for conventional therapy may help prevent a decline in renal function in this population. This post hoc analysis examined the impact of palopegteriparatide treatment on renal function in adults with chronic hypoparathyroidism. METHODS: PaTHway is a phase 3 trial of palopegteriparatide in adults with chronic hypoparathyroidism that included a randomized, double-blind, placebo-controlled 26-week period followed by an ongoing 156-week open-label extension (OLE) period. Changes in renal function over 52 weeks (26 weeks blinded + 26 weeks OLE) were assessed using estimated glomerular filtration rate (eGFR). A subgroup analysis was performed with participants stratified by baseline eGFR < 60 or ≥ 60 mL/min/1.73 m2. RESULTS: At week 52, over 95% (78/82) of participants remained enrolled in the OLE and of those, 86% maintained normocalcemia and 95% achieved independence from conventional therapy (no active vitamin D and ≤ 600 mg/day of calcium), with none requiring active vitamin D. Treatment with palopegteriparatide over 52 weeks resulted in a mean (SD) increase in eGFR of 9.3 (11.7) mL/min/1.73 m2 from baseline (P < 0.0001) and 43% of participants had an increase ≥ 10 mL/min/1.73 m2. In participants with baseline eGFR < 60 mL/min/1.73 m2, 52 weeks of treatment with palopegteriparatide resulted in a mean (SD) increase of 11.5 (11.3) mL/min/1.73 m2 (P < 0.001). One case of nephrolithiasis was reported for a participant in the placebo group during blinded treatment; none were reported through week 52 with palopegteriparatide. CONCLUSION: In this post hoc analysis of the PaTHway trial, palopegteriparatide treatment was associated with significantly improved eGFR at week 52 in addition to previously reported maintenance and normalization of serum and urine biochemistries. Further investigation of palopegteriparatide for the preservation of renal function in hypoparathyroidism is warranted. TRIAL REGISTRATION: ClinicalTrials.gov NCT04701203.


Chronic hypoparathyroidism is caused by inadequate parathyroid hormone (PTH) levels. Hypoparathyroidism is managed with conventional therapy (active vitamin D and calcium), but over time the disease itself and conventional therapy can increase the risk of medical complications including kidney problems. This study looked at how a new treatment for chronic hypoparathyroidism, palopegteriparatide (approved in the European Union under the brand name YORVIPATH®), affects kidney function in adults in the PaTHway clinical trial. Participants were randomly assigned to receive palopegteriparatide or a placebo injection once daily along with conventional therapy. For both groups, clinicians used a protocol to eliminate conventional therapy while maintaining normal blood calcium levels. After 26 weeks, participants on placebo switched to palopegteriparatide. Ninety-five percent of participants were still enrolled in the PaTHway trial after 52 weeks. Of those, 86% had normal blood calcium levels and 95% did not need conventional therapy (not taking vitamin D and not taking therapeutic doses of calcium [> 600 mg/day]). After 52 weeks of treatment with palopegteriparatide, significant improvements were seen in a measure of kidney function called estimated glomerular filtration rate (eGFR). Improvements in eGFR from the beginning of the trial to week 52 were considered clinically meaningful for over 57% of participants. In participants with impaired kidney function at the beginning of the trial, eGFR improvements were even greater, and 74% of participants had a clinically meaningful improvement. These results suggest that palopegteriparatide treatment may be beneficial for kidney function in adults with chronic hypoparathyroidism, especially those with impaired kidney function.


Subject(s)
Glomerular Filtration Rate , Hypoparathyroidism , Humans , Hypoparathyroidism/drug therapy , Male , Female , Middle Aged , Double-Blind Method , Glomerular Filtration Rate/drug effects , Adult , Parathyroid Hormone/blood , Parathyroid Hormone/therapeutic use , Aged , Chronic Disease , Vitamin D/therapeutic use , Treatment Outcome , Calcium/therapeutic use
9.
BMJ ; 385: e077097, 2024 05 08.
Article in English | MEDLINE | ID: mdl-38719492

ABSTRACT

OBJECTIVE: To compare the effectiveness of three commonly prescribed oral antidiabetic drugs added to metformin for people with type 2 diabetes mellitus requiring second line treatment in routine clinical practice. DESIGN: Cohort study emulating a comparative effectiveness trial (target trial). SETTING: Linked primary care, hospital, and death data in England, 2015-21. PARTICIPANTS: 75 739 adults with type 2 diabetes mellitus who initiated second line oral antidiabetic treatment with a sulfonylurea, DPP-4 inhibitor, or SGLT-2 inhibitor added to metformin. MAIN OUTCOME MEASURES: Primary outcome was absolute change in glycated haemoglobin A1c (HbA1c) between baseline and one year follow-up. Secondary outcomes were change in body mass index (BMI), systolic blood pressure, and estimated glomerular filtration rate (eGFR) at one year and two years, change in HbA1c at two years, and time to ≥40% decline in eGFR, major adverse kidney event, hospital admission for heart failure, major adverse cardiovascular event (MACE), and all cause mortality. Instrumental variable analysis was used to reduce the risk of confounding due to unobserved baseline measures. RESULTS: 75 739 people initiated second line oral antidiabetic treatment with sulfonylureas (n=25 693, 33.9%), DPP-4 inhibitors (n=34 464 ,45.5%), or SGLT-2 inhibitors (n=15 582, 20.6%). SGLT-2 inhibitors were more effective than DPP-4 inhibitors or sulfonylureas in reducing mean HbA1c values between baseline and one year. After the instrumental variable analysis, the mean differences in HbA1c change between baseline and one year were -2.5 mmol/mol (95% confidence interval (CI) -3.7 to -1.3) for SGLT-2 inhibitors versus sulfonylureas and -3.2 mmol/mol (-4.6 to -1.8) for SGLT-2 inhibitors versus DPP-4 inhibitors. SGLT-2 inhibitors were more effective than sulfonylureas or DPP-4 inhibitors in reducing BMI and systolic blood pressure. For some secondary endpoints, evidence for SGLT-2 inhibitors being more effective was lacking-the hazard ratio for MACE, for example, was 0.99 (95% CI 0.61 to 1.62) versus sulfonylureas and 0.91 (0.51 to 1.63) versus DPP-4 inhibitors. SGLT-2 inhibitors had reduced hazards of hospital admission for heart failure compared with DPP-4 inhibitors (0.32, 0.12 to 0.90) and sulfonylureas (0.46, 0.20 to 1.05). The hazard ratio for a ≥40% decline in eGFR indicated a protective effect versus sulfonylureas (0.42, 0.22 to 0.82), with high uncertainty in the estimated hazard ratio versus DPP-4 inhibitors (0.64, 0.29 to 1.43). CONCLUSIONS: This emulation study of a target trial found that SGLT-2 inhibitors were more effective than sulfonylureas or DPP-4 inhibitors in lowering mean HbA1c, BMI, and systolic blood pressure and in reducing the hazards of hospital admission for heart failure (v DPP-4 inhibitors) and kidney disease progression (v sulfonylureas), with no evidence of differences in other clinical endpoints.


Subject(s)
Diabetes Mellitus, Type 2 , Dipeptidyl-Peptidase IV Inhibitors , Glycated Hemoglobin , Hypoglycemic Agents , Metformin , Sodium-Glucose Transporter 2 Inhibitors , Sulfonylurea Compounds , Humans , Diabetes Mellitus, Type 2/drug therapy , Hypoglycemic Agents/therapeutic use , Hypoglycemic Agents/administration & dosage , Male , Female , Middle Aged , Sulfonylurea Compounds/therapeutic use , Sulfonylurea Compounds/administration & dosage , Aged , Metformin/therapeutic use , Metformin/administration & dosage , Glycated Hemoglobin/analysis , Glycated Hemoglobin/metabolism , Dipeptidyl-Peptidase IV Inhibitors/therapeutic use , Dipeptidyl-Peptidase IV Inhibitors/administration & dosage , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/administration & dosage , Administration, Oral , Glomerular Filtration Rate/drug effects , England/epidemiology , Drug Therapy, Combination , Treatment Outcome , Cohort Studies , Comparative Effectiveness Research , Body Mass Index , Blood Pressure/drug effects
10.
Int J Mol Sci ; 25(9)2024 May 01.
Article in English | MEDLINE | ID: mdl-38732178

ABSTRACT

Some of the most common conditions affecting people are kidney diseases. Among them, we distinguish chronic kidney disease and acute kidney injury. Both entities pose serious health risks, so new drugs are still being sought to treat and prevent them. In recent years, such a role has begun to be assigned to sodium-glucose cotransporter-2 (SGLT2) inhibitors. They increase the amount of glucose excreted in the urine. For this reason, they are currently used as a first-line drug in type 2 diabetes mellitus. Due to their demonstrated cardioprotective effect, they are also used in heart failure treatment. As for the renal effects of SGLT2 inhibitors, they reduce intraglomerular pressure and decrease albuminuria. This results in a slower decline in glomelular filtration rate (GFR) in patients with kidney disease. In addition, these drugs have anti-inflammatory and antifibrotic effects. In the following article, we review the evidence for the effectiveness of this group of drugs in kidney disease and their nephroprotective effect. Further research is still needed, but meta-analyses indicate SGLT2 inhibitors' efficacy in kidney disease, especially the one caused by diabetes. Development of new drugs and clinical trials on specific patient subgroups will further refine their nephroprotective effects.


Subject(s)
Diabetes Mellitus, Type 2 , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/pharmacology , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/metabolism , Renal Insufficiency, Chronic/drug therapy , Renal Insufficiency, Chronic/metabolism , Glomerular Filtration Rate/drug effects , Kidney Diseases/drug therapy , Animals
12.
Age Ageing ; 53(5)2024 May 01.
Article in English | MEDLINE | ID: mdl-38770543

ABSTRACT

CONTEXT: Chronic kidney disease (CKD) leads to alterations in fibroblast growth factor 23 (FGF23) and the renal-bone axis. This may be partly driven by altered inflammation and iron status. Vitamin D supplementation may reduce inflammation. OBJECTIVE AND METHODS: Older adults with early CKD (estimated glomerular filtration rate (eGFR) 30-60 ml/min/1.73 m2; CKDG3a/b; n = 35) or normal renal function (eGFR >90 ml/min/1.73 m2; CKDG1; n = 35) received 12,000, 24,000 or 48,000 IU D3/month for 1 year. Markers of the renal-bone axis, inflammation and iron status were investigated pre- and post-supplementation. Predictors of c-terminal and intact FGF23 (cFGF23; iFGF23) were identified by univariate and multivariate regression. RESULTS: Pre-supplementation, comparing CKDG3a/b to CKDG1, plasma cFGF23, iFGF23, PTH, sclerostin and TNFα were significantly higher and Klotho, 1,25-dihydroxyvitamin D and iron were lower. Post-supplementation, only cFGF23, 25(OH)D and IL6 differed between groups. The response to supplementation differed between eGFR groups. Only in the CKDG1 group, phosphate decreased, cFGF23, iFGF23 and procollagen type I N-propeptide increased. In the CKDG3a/b group, TNFα significantly decreased, and iron increased. Plasma 25(OH)D and IL10 increased, and carboxy-terminal collagen crosslinks decreased in both groups. In univariate models cFGF23 and iFGF23 were predicted by eGFR and regulators of calcium and phosphate metabolism at both time points; IL6 predicted cFGF23 (post-supplementation) and iFGF23 (pre-supplementation) in univariate models. Hepcidin predicted post-supplementation cFGF23 in multivariate models with eGFR. CONCLUSION: Alterations in regulators of the renal-bone axis, inflammation and iron status were found in early CKD. The response to vitamin D3 supplementation differed between eGFR groups. Plasma IL6 predicted both cFGF23 and iFGF23 and hepcidin predicted cFGF23.


Subject(s)
Biomarkers , Dietary Supplements , Fibroblast Growth Factor-23 , Fibroblast Growth Factors , Glomerular Filtration Rate , Iron , Kidney , Renal Insufficiency, Chronic , Vitamin D , Humans , Aged , Male , Female , Renal Insufficiency, Chronic/blood , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/drug therapy , Glomerular Filtration Rate/drug effects , Biomarkers/blood , Fibroblast Growth Factors/blood , Iron/blood , Kidney/physiopathology , Kidney/drug effects , Vitamin D/blood , Vitamin D/analogs & derivatives , Aged, 80 and over , Treatment Outcome , Inflammation/blood , Inflammation/drug therapy , Inflammation Mediators/blood , Age Factors , Cholecalciferol/administration & dosage , Cholecalciferol/blood , Time Factors , Bone and Bones/drug effects , Bone and Bones/metabolism
13.
Lipids Health Dis ; 23(1): 157, 2024 May 25.
Article in English | MEDLINE | ID: mdl-38796440

ABSTRACT

AIMS: About 20-40% patients with type 2 diabetes mellitus (T2DM) had an increased risk of developing diabetic nephropathy (DN). Dipeptidyl peptidase-4 inhibitors (DPP-4i) were recommended for treatment of T2DM, while the impact of DPP-4i on renal function remained unclear. This study aimed to explore the effect of DPP-4i on renal parameter of estimated glomerular filtration rate (eGFR) and albumin-to-creatinine ratio (ACR) in T2DM. METHODS: A systematic search was performed across PubMed, Embase and Cochrane Library. A fixed or random-effects model was used for quantitative synthesis according to the heterogeneity, which was assessed with I2 index. Sensitivity analysis and publication bias were performed with standard methods, respectively. RESULTS: A total of 17 randomized controlled trials were identified. Administration of DPP-4i produced no significant effect on eGFR (WMD, -0.92 mL/min/1.73m2, 95% CI, -2.04 to 0.19) in diabetic condition. DPP-4i produced a favorable effect on attenuating ACR (WMD, -2.76 mg/g, 95% CI, -5.23 to -0.29) in patients with T2DM. The pooled estimate was stable based on the sensitivity test. No publication bias was observed according to Begg's and Egger's tests. CONCLUSIONS: Treatment with DPP-4i preserved the renal parameter of eGFR in diabetic condition. Available evidences suggested that administration of DPP-4i produced a favorable effect on attenuating ACR in patients with T2DM. INTERNATIONAL PROSPECTIVE REGISTER FOR SYSTEMATIC REVIEW (PROSPERO) NUMBER: CRD.42020144642.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Dipeptidyl-Peptidase IV Inhibitors , Glomerular Filtration Rate , Kidney , Randomized Controlled Trials as Topic , Humans , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Dipeptidyl-Peptidase IV Inhibitors/therapeutic use , Glomerular Filtration Rate/drug effects , Diabetic Nephropathies/drug therapy , Kidney/drug effects , Kidney/physiopathology , Creatinine/urine , Creatinine/blood
14.
Ren Fail ; 46(1): 2356021, 2024 Dec.
Article in English | MEDLINE | ID: mdl-38785301

ABSTRACT

OBJECTIVE: This study aims to assess the clinical efficacy and safety of CHF-II in combination with RG for treating AKI on CKD (A on C), and to explore potential therapeutic mechanisms through lipidomics analysis. METHODS: 98 patients were enrolled and randomly assigned to the RG or RG + CHF groups. Both groups received RG therapy, with RG + CHF group additionally receiving CHF-II treatment over a duration of two weeks. Evaluation endpoints included changes in renal function, blood lipid profiles, urinary AKI biomarkers, and TCM symptoms before and after treatment. Serum samples were collected for lipid metabolite analysis. RESULTS: The total clinical effective rate in RG + CHF group was 73.5%, and that of RG group was 40.8%. TCM syndrome scores in RG + CHF group showed a more pronounced decrease (p < 0.05). Scr, BUN, and UA levels decreased while eGFR levels increased in both groups (p < 0.05), with a greater magnitude of change observed in the RG + CHF group. Urinary AKI biomarkers decreased more in RG + CHF group (p < 0.05). No serious adverse events occurred during the trial. 58 different lipid metabolites and 48 lipid biomarkers were identified. According to the KEGG database, the possible metabolic pathways involved triglyceride metabolic pathway and fat digestion and absorption metabolic pathways. CONCLUSION: CHF-II effectively alleviated kidney injury and improved TCM syndrome scores in patients with A on C. Lipid differential metabolites could serve as diagnostic indicators for AKI in patients with CKD. The possible metabolic pathways might be implicated in therapeutic action of CHF-II in the prevention and treatment of patients with A on C.


Subject(s)
Acute Kidney Injury , Biomarkers , Drugs, Chinese Herbal , Lipidomics , Renal Insufficiency, Chronic , Humans , Male , Acute Kidney Injury/etiology , Acute Kidney Injury/drug therapy , Female , Middle Aged , Drugs, Chinese Herbal/therapeutic use , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/drug therapy , Aged , Biomarkers/blood , Biomarkers/urine , Adult , Lipids/blood , Glomerular Filtration Rate/drug effects , Treatment Outcome , Medicine, Chinese Traditional/methods
15.
Pharmacogenomics J ; 24(3): 15, 2024 May 20.
Article in English | MEDLINE | ID: mdl-38769303

ABSTRACT

Variant allele at the inosine monophosphate dehydrogenase type 2 polymorphism IMPDH2 3757T>C has been associated with increased enzyme activity and reduced susceptibility to mycophenolic acid (MPA) in vitro. It has been suggested associated with an increased risk of acute rejection in renal transplant recipients on MPA-based immunosuppression, but not unambiguously. We assessed one-year evolution of the estimated glomerular filtration rate (eGFR) in transplanted variant allele carriers and wild-type subjects, while controlling for a number of demographic, pharmacogenetic, (co)morbidity, and treatment baseline and time-varying covariates. The eGFR slopes to day 28 (GMR = 1.01, 95% CI 0.93-1.09), and between days 28 and 365 (GMR = 1.01, 95% CI 0.99-1.02) were practically identical in 52 variant carriers and 202 wild-type controls. The estimates (95%CIs) remained within the limits of ±20% difference even after adjustment for a strong hypothetical effect of unmeasured confounders. Polymorphism IMPDH2 3757T>C does not affect the renal graft function over the 1st year after transplantation.


Subject(s)
Glomerular Filtration Rate , Graft Rejection , IMP Dehydrogenase , Immunosuppressive Agents , Kidney Transplantation , Mycophenolic Acid , Polymorphism, Single Nucleotide , Humans , Kidney Transplantation/adverse effects , IMP Dehydrogenase/genetics , Mycophenolic Acid/therapeutic use , Mycophenolic Acid/adverse effects , Male , Female , Middle Aged , Immunosuppressive Agents/therapeutic use , Immunosuppressive Agents/adverse effects , Glomerular Filtration Rate/drug effects , Adult , Graft Rejection/genetics , Graft Rejection/prevention & control , Graft Rejection/immunology , Polymorphism, Single Nucleotide/genetics , Aged , Immunosuppression Therapy/methods , Immunosuppression Therapy/adverse effects
16.
Diabetes Obes Metab ; 26(7): 2905-2914, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38719436

ABSTRACT

AIM: Sodium-glucose cotransporter 2 (SGLT2) inhibitors often cause a transient decrease in glomerular filtration rate (GFR) shortly after the initiation, referred to as the 'initial drop'. However, the clinical significance of this initial drop in real-world practice remains unclear. MATERIALS AND METHODS: Using the nationwide Japan Chronic Kidney Disease Database, we examined factors that affected the initial drop, in patients with chronic kidney disease (CKD) and type 2 diabetes mellitus (T2DM). We also evaluated the effects of the initial drop on a composite kidney outcome (a decline in GFR of ≥50% or progression to end-stage kidney disease). RESULTS: Data from 2053 patients with CKD and T2DM newly prescribed an SGLT2 inhibitor were analysed. The follow-up period after SGLT2 inhibitor administration was 1015 days (interquartile range: 532, 1678). Multivariate linear regression models revealed that the concomitant use of the renin-angiotensin system inhibitors and diuretics, urinary protein levels ≥2+, and changes in GFR before the initiation of the SGLT2 inhibitor were associated with a larger initial GFR decline (ß = -0.609, p = .039; ß = -2.298, p < .001; ß = -0.936, p = .048; ß = -0.079, p < .001, respectively). Patients in the quartile with the largest initial GFR decline experienced a higher incidence of the subsequent composite kidney outcome than those in the other quartiles (p < .001). CONCLUSIONS: The concomitant use of renin-angiotensin system inhibitors and diuretics, higher urine protein levels and pre-treatment GFR changes were associated with a larger initial GFR decline. Of these factors, the use of a diuretic had the largest effect. Furthermore, patients with CKD and T2DM experiencing an excessive initial GFR drop might be at a higher risk of adverse kidney outcomes.


Subject(s)
Databases, Factual , Diabetes Mellitus, Type 2 , Diabetic Nephropathies , Disease Progression , Glomerular Filtration Rate , Renal Insufficiency, Chronic , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/adverse effects , Glomerular Filtration Rate/drug effects , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/physiopathology , Male , Female , Japan/epidemiology , Renal Insufficiency, Chronic/epidemiology , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/complications , Middle Aged , Aged , Diabetic Nephropathies/epidemiology , Diabetic Nephropathies/physiopathology , Kidney/drug effects , Kidney/physiopathology
17.
Clin Cardiol ; 47(5): e24257, 2024 May.
Article in English | MEDLINE | ID: mdl-38664980

ABSTRACT

BACKGROUND: Rate control is the most commonly employed first-line management strategy for atrial fibrillation (AF) in patients with chronic kidney disease (CKD). Principal agents used to control heart rate (HR) include beta-blockers (BB) and nondihydropyridine calcium channel blockers (ND-CCB). However, there is a paucity of published studies of the differences between those drugs in CKD patients. HYPOTHESIS: The present study aimed to investigate the differences, in terms of hospitalizations due to a poor HR control, in patients with AF under a rate-control strategy according to glomerular filtration rate (GFR). METHODS: The study cohort included 2804 AF patients under rate-control regime (BB or ND-CCB) between January 2014 and April 2020. The end point, determined by competing risk regression, was hospitalizations for AF with rapid ventricular response (RVR), slow ventricular response (SVR), and need for pacemaker. RESULTS: On multivariate analysis, there were no statistical differences between ND-CCB and BB for subjects with GFR > 60 mL/min/1.73 m2 (subdistribution heart rate [sHR] 0.850, 95% confidence interval [CI]: 0.61-1.19; p = .442) and GFR 30-59 mL/min/1.73 m2 (sHR 1.242, 95% CI: 0.80-1.63; p = .333), while in patients with GFR < 30 mL/min/1.73 m2, ND-CCB therapy was associated with increased hospitalizations due to poor HR control (sHR 4.53, 95% CI: 1.19-17.18; p = .026). CONCLUSION: In patients with GFR ≥ 30 mL/min/1.73 m2, the choice of ND-CCB or BB had no impact on hospitalizations due to poor HR control, while in GFR < 30 mL/min/1.73 m2, a possible association was detected. The effects of these drugs on GFR < 30 mL/min/1.73 m2 would require further investigation.


Subject(s)
Adrenergic beta-Antagonists , Atrial Fibrillation , Calcium Channel Blockers , Glomerular Filtration Rate , Heart Rate , Renal Insufficiency, Chronic , Humans , Atrial Fibrillation/drug therapy , Atrial Fibrillation/physiopathology , Female , Male , Calcium Channel Blockers/therapeutic use , Adrenergic beta-Antagonists/therapeutic use , Glomerular Filtration Rate/drug effects , Aged , Heart Rate/drug effects , Renal Insufficiency, Chronic/physiopathology , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/diagnosis , Retrospective Studies , Treatment Outcome , Middle Aged , Hospitalization/statistics & numerical data , Kidney/physiopathology , Risk Factors , Follow-Up Studies
18.
J Agric Food Chem ; 72(17): 9755-9767, 2024 May 01.
Article in English | MEDLINE | ID: mdl-38635872

ABSTRACT

Diabetic nephropathy (DN) is a common microvascular complication of diabetes. Fucoidan, a polysaccharide containing fucose and sulfate group, ameliorates DN. However, the underlying mechanism has not been fully understood. This study aimed to explore the effects and mechanism of fucoidan on DN in high-fat diet-induced diabetic mice. A total of 90 C57BL/6J mice were randomly assigned to six groups (n = 15) as follows: normal control (NC), diabetes mellitus (DM), metformin (MTF), low-dose fucoidan (LFC), medium-dose fucoidan (MFC), and high-dose fucoidan (HFC). A technique based on fluorescein isothiocyanate (FITC-sinistin) elimination kinetics measured percutaneously was applied to determine the glomerular filtration rate (GFR). After 24 weeks, the mice were sacrificed and an early stage DN model was confirmed by GFR hyperfiltration, elevated urinary creatinine, normal urinary albumin, tubulointerstitial fibrosis, and glomerular hypertrophy. Fucoidan significantly improved the GFR hyperfiltration and renal fibrosis. An enriched SCFAs-producing bacteria and increased acetic concentration in cecum contents were found in fucoidan groups, as well as increased renal ATP levels and improved mitochondrial dysfunction. The renal inflammation and fibrosis were ameliorated through inhibiting the MAPKs pathway. In conclusion, fucoidan improved early stage DN targeting the microbiota-mitochondria axis by ameliorating mitochondrial oxidative stress and inhibiting the MAPKs pathway.


Subject(s)
Diabetic Nephropathies , Diet, High-Fat , Gastrointestinal Microbiome , Mice, Inbred C57BL , Mitochondria , Polysaccharides , Animals , Polysaccharides/administration & dosage , Polysaccharides/pharmacology , Polysaccharides/chemistry , Gastrointestinal Microbiome/drug effects , Mice , Diabetic Nephropathies/drug therapy , Diabetic Nephropathies/metabolism , Diabetic Nephropathies/physiopathology , Diet, High-Fat/adverse effects , Male , Mitochondria/drug effects , Mitochondria/metabolism , Humans , Bacteria/classification , Bacteria/isolation & purification , Bacteria/drug effects , Bacteria/genetics , Glomerular Filtration Rate/drug effects , Kidney/drug effects , Kidney/metabolism , Kidney/physiopathology
19.
Clin Nephrol ; 101(6): 308-316, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38577748

ABSTRACT

OBJECTIVE: Tolvaptan is a vasopressin V2 receptor antagonist that is commonly prescribed to alleviate edema associated with renal diseases. However, the clinical benefits of tolvaptan in chronic kidney disease (CKD) remain unclear. This study aimed to evaluate the effectiveness of tolvaptan in managing edema caused by CKD. MATERIALS AND METHODS: The efficacy and treatment regimen of tolvaptan were assessed in a cohort of 96 patients with renal edema and CKD. During the treatment, the patients' creatinine (CR), uric acid (UA), and estimated glomerular filtration rate (eGFR) were monitored as important indicators of kidney function. Coagulation-associated molecules including fibrinogen, D-dimer, and fibrin degradation products (FDPs) were measured. Electrolyte disorders and acute kidney injury were closely monitored. Tolvaptan was administered at a daily dose of 7.5 mg, and 30 mg of edoxaban was administered to manage deep vein thrombosis. RESULTS: During the course of tolvaptan therapy, the eGFR of the patients was not declined. Edema was eliminated in 82.18% of patients. Proteinuria was reduced in the patients (p < 0.05). There were no significant changes in serum sodium levels throughout treatment, and no significant difference was observed in blood volume between the end of treatment and baseline levels. Importantly, acute kidney injury did not occur, and renal edema and deep vein thrombosis were successfully treated. CONCLUSION: As long as a rational treatment regimen is followed, tolvaptan is a safe and effective diuretic for treating edema in CKD, even in the late stages of CKD without reducing residual renal function in the patients.


Subject(s)
Antidiuretic Hormone Receptor Antagonists , Edema , Glomerular Filtration Rate , Renal Insufficiency, Chronic , Tolvaptan , Humans , Tolvaptan/therapeutic use , Male , Female , Antidiuretic Hormone Receptor Antagonists/therapeutic use , Middle Aged , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/drug therapy , Aged , Glomerular Filtration Rate/drug effects , Edema/drug therapy , Edema/etiology , Treatment Outcome , Adult , Creatinine/blood , Benzazepines/therapeutic use
20.
J Am Heart Assoc ; 13(9): e033236, 2024 May 07.
Article in English | MEDLINE | ID: mdl-38686902

ABSTRACT

BACKGROUND: Both high and low levels of serum potassium measurements are linked with a higher risk of adverse clinical events among patients with type 2 diabetes. The study was aimed at evaluating the implications of the various degrees of initial estimated glomerular filtration rate (eGFR) change on subsequent serum potassium homeostasis following sodium-glucose cotransporter-2 inhibitor (SGLT2i) initiation among patients with type 2 diabetes. METHODS AND RESULTS: We used medical data from a multicenter health care provider in Taiwan and recruited 5529 patients with type 2 diabetes with baseline/follow-up eGFR data available after 4 to 12 weeks of SGLT2i treatment from June 1, 2016, to December 31, 2018. SGLT2i treatment was associated with an initial mean (SEM) eGFR decline of -3.5 (0.2) mL/min per 1.73 m2 in overall study participants. A total of 36.7% (n=2028) of patients experienced no eGFR decline, and 57.9% (n=3201) and 5.4% (n=300) of patients experienced an eGFR decline of 0% to 30% and >30%, respectively. Patients with an initial eGFR decline of >30% were associated with higher variability in consequent serum potassium measurement when compared with those without an initial eGFR decline. Participants with a pronounced eGFR decline of >30% were associated with a higher risk of hyperkalemia ≥5.5 (adjusted hazard ratio,4.59 [95% CI, 2.28-9.26]) or use of potassium binder (adjusted hazard ratio, 2.65 [95% CI, 1.78-3.95]) as well as hypokalemia events <3.0 mmol/L (adjusted hazard ratio, 3.21 [95% CI, 1.90-5.42]) or use of potassium supplement (adjusted hazard ratio, 1.87 [95% CI, 1.37-2.56]) following SGLT2i treatment after multivariate adjustment. CONCLUSIONS: Physicians should be aware that the eGFR trough occurs shortly, and consequent serum potassium changes following SGLT2i initiation.


Subject(s)
Diabetes Mellitus, Type 2 , Glomerular Filtration Rate , Potassium , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Sodium-Glucose Transporter 2 Inhibitors/adverse effects , Glomerular Filtration Rate/drug effects , Male , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/blood , Diabetes Mellitus, Type 2/diagnosis , Female , Middle Aged , Potassium/blood , Taiwan/epidemiology , Aged , Risk Factors , Biomarkers/blood , Risk Assessment , Hyperkalemia/chemically induced , Hyperkalemia/blood , Hyperkalemia/epidemiology , Kidney/physiopathology , Kidney/drug effects , Retrospective Studies , Hypokalemia/chemically induced , Hypokalemia/blood , Hypokalemia/epidemiology , Time Factors , Treatment Outcome , Diabetic Nephropathies/blood , Diabetic Nephropathies/diagnosis
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