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ABO/Rh Blood Group Phenotypes as Predictor of Treatment Outcomes in Diabetic Kidney Disease

7. srpna 2026 aktualizováno: Mostafa Farouk, Cairo University

ABO/Rh Blood Group Phenotypes as Independent Predictor of Treatment Outcomes in Diabetic Kidney Disease: A 1-Year Prospective Cohort Study

Background and aim: ABO blood groups are biologically plausible modulators of endothelial function, coagulation, and inflammation - pathways central to diabetic kidney disease (DKD). This study evaluates whether ABO/Rh phenotypes associate with differential treatment outcomes in DKD.

Methods: This 1-year prospective cohort study enrolled 161 adults with type 2 diabetes and established DKD (all receiving ACE-I/ARB plus SGLT2 inhibitors) from Cairo University outpatient clinics. eGFR, ACR, HbA1c, lipids, electrolytes, and blood pressure were assessed at baseline and one year. Percent changes in eGFR and ACR were calculated and the Kidney Failure Risk Equation estimated 2- and 5-year risk of progressing to end stage kidney disease. Multivariable linear regression identified independent predictors of renal outcome changes.

Přehled studie

Postavení

Dokončeno

Podmínky

Intervence / Léčba

Typ studie

Pozorovací

Zápis (Aktuální)

161

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní místa

    • KasrAlainy
      • Cairo, KasrAlainy, Egypt, 11562
        • Faculty of Medicine

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

  • Dospělý
  • Starší dospělý

Přijímá zdravé dobrovolníky

Ne

Metoda odběru vzorků

Vzorek nepravděpodobnosti

Studijní populace

evident diabetic kidney disease defined as persistent albuminuria [Albumin/ creatinine ration (ACR) >30 mg/g Creatinine in two measurements with at least a 3-month difference], reduced eGFR (<60 mL/min/1.73 m²), or both and a documented history of type 2 diabetes mellitus for more than five years, as well as diabetic retinopathy classified according to the International Clinical Diabetic Retinopathy Scale of the American Academy of Ophthalmology

Popis

Inclusion Criteria:

  • Adults aged ≥18 years with type 2 DM
  • Evident diabetic kidney disease
  • Recorded ABO blood group phenotypes
  • Receiving Angiotensin converting enzyme inhibitor (ACEI) or angiotensin receptor blockers (ARBs) in addition Sodium-glucose cotransporter 2 inhibitor (SGLT2i) as part of their ongoing therapy prior to enrolment.

Exclusion Criteria:

  • Pre-existed glomerular diseases or any other primary kidney disorder,
  • Active urinary sediment
  • Type 1 diabetes mellitus
  • Gestational diabetes
  • History of kidney transplantation
  • Documented episode of acute kidney injury,
  • Family history of non-diabetic forms of kidney disease
  • >30% declines in eGFR after initiation of RAAS inhibitors

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

Kohorty a intervence

Skupina / kohorta
Intervence / Léčba
A Rh+
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
B Rh -
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
B Rh +
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
O Rh -
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
O Rh +
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
AB Rh -
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c
AB Rh +
ABO Rh subgroup
Random mid stream spot urine samples were collected in sterile containers, and albumin to creatinine ratio (ACR) was measured using the Roche Cobas chemistry analyzer. Albuminuria was categorized according to Kidney Disease Improving Global Outcomes (KDIGO) criteria as A1 (<30 mg/g), A2 (30-300 mg/g), and A3 (>300 mg/g) . The Kidney Failure Risk Equation (KFRE) was applied to estimate the predicted 2 year and 5 year risk of progression to end stage renal disease using baseline eGFR and ACR values . Percent change in both eGFR and ACR was calculated using the formula: ((Post - Pre) / Pre) × 100 . Significant (accelerated) DKD progression was defined as a ≥25% sustained decline in eGFR over 12 months or an annual loss of ≥15 mL/min/1.73 m² , while rapid eGFR decline was defined as a reduction >5 mL/min/1.73 m² per year; end stage renal disease was defined as eGFR <15 mL/min/1.73 m² or initiation of dialysis therapy . Albumin to creatinine ratio (ACR) response was c

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
the progression or therapeutic response of diabetic kidney disease
Časové okno: 12 months
assessed by the magnitude of percentage change in ACR and percentage change in eGFR across ABO blood groups
12 months

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Sponzor

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia (Aktuální)

1. května 2024

Primární dokončení (Aktuální)

30. srpna 2025

Dokončení studie (Aktuální)

28. února 2026

Termíny zápisu do studia

První předloženo

5. srpna 2026

První předloženo, které splnilo kritéria kontroly kvality

7. srpna 2026

První zveřejněno (Aktuální)

11. srpna 2026

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Aktuální)

11. srpna 2026

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

7. srpna 2026

Naposledy ověřeno

1. srpna 2026

Více informací

Termíny související s touto studií

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  • N 379 2025

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