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The Efficacy of Empagliflozin on Kidney Functions in Lupus Nephritis Population

14. juli 2026 oppdatert av: Ahmed Yehia Ismail

Does The Positive Reno-Protective Effect Of Sodium Glucose Co-Transporter 2 Inhibitors Extend To Lupus Nephritis Population?

Systemic lupus erythematosis (SLE) is a chronic, most probably auto-immune multisystem disease marked by relapsing-remitting course and the formation of a range of autoantibodies. SLE patients present with serious renal (lupus nephritis (LN)), cardiopulmonary, or nervous manifestation. LN occurs in 40%-70% of SLE cases during the first 10 years of disease and is marked by the presence of proteinuria (hallmark).

A novel class of medications had been extracted from phlorizin and indicated for the treatment of type 2 diabetes (T2D), referred to as Sodium glucose cotransporter 2 (SGLT-2) inhibitors. They act by decreasing glucose reabsorption in the proximal renal tubules (SGLT2). Previous studies proved that SGLT2 inhibitors resulted in decreased postprandial hyperglycemia, enhanced glycemic control, reduced body weight and blood pressure, and albuminuria in those with T2D. Large placebo-controlled trials such as Empagliflozin-Kidney (EMPA-Kidney) and Dapagliflozin in Patients with Chronic Kidney Disease (DAPA-CKD) trial demonstrated the efficacy of empagliflozin and dapagliflozin, respectively, in patients with chronic kidney disease (CKD) regardless the diabetic cause of CKD, compared to placebo. EMPA-Kidney with median 2.0 years of follow-up reported that empagliflozin (EMPA) significantly (P<0.001) lowered (13.1%) the risk of progression of kidney disease and death from cardiovascular causes than placebo (16.9%). Together with, DAPA-CKD trial reported that the risk of a composite of a sustained decline in the estimated GFR of at least 50% was significantly (P<0.001) lower in the DAPA group (9.2%) compared to placebo group (14.5%) over a median of 2.4 years of follow-up. However, such studies excluded lupus nephritis population from clinical trials.

Consequently, an experimental study is conducted to test the hypothesis that SGLT2 inhibitor EMPA is superior to placebo in improving proteinuria and estimated glomerular filtration rate (eGFR) in a group of patients with established LN already receiving the usual standard care and treatment.

The trial participants compatabile with the elgibility criteria will be randomly assigned to two groups. One group will take Empagliflozin 25 mg tablet each day along with the standard care therapy. The other group will take a matching placebo besides the usual standard care therapy during the clinical trial period.

Study outcomes will be measured three times, one before starting the medical study, the second and third will be 6 and 12 weeks after starting the clinical study, respectively. After that, the statistical siginficance of values between both groups will be reported to test the credibilty of the hypothesis.

The study is primarily designed to evaluate the reno-protective effect of EMPA on kidney function, in terms of urinary protein-creatinine ratio (uPCR)and eGFR.

Empagliflozin efficacy testing in lupus nephritis population (EMPA-LN) is a prospective, randomized, triple-blinded, parallel-group, placebo controlled phase 4 trial recruiting 66 subjects. A 10% drop-out rate is anticipated based on the clinical opinion of the care provider. The study will be conducted in accordance with the declaration of Helsinki. An ethical approval will be provided from an ethics committee.

Studieoversikt

Studietype

Intervensjonell

Registrering (Antatt)

66

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

      • Banī Suwayf, Egypt
        • Rekruttering
        • Beni-suef university Hospital
        • Ta kontakt med:
        • Underetterforsker:
          • Seif

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Adults (≥ 18 years) with established biopsy-proven LN of active III, IV, overlapping III/IV, or overlapping III/V classes.
  • eGFR ≥ 30 ml.min1.1.73m-2,
  • Urinary protein creatinine ratio (uPCR) > 1000 mg/g.

Exclusion Criteria:

  • Subjects with serious hypersensitivity (angioedema and/or anaphylaxis) to EMPA.
  • eGFR < 30 ml.min-1.1.73m-2.
  • uPCR < 1000 mg/g.
  • Type 1 or 2 diabetes.
  • Aterial fibrillation.
  • Hepatic impairment [defined as alanine transaminase or aspartate transaminase >3 times the upper limit of normal (ULN) or total bilirubin >2 times the ULN at the time of enrolment].
  • Any condition outside the renal and cardiovascular study area with a life expectancy of < 6 months based on care provider's clinical judgment.
  • Those who enrolled in an experimental study in the previous 6 months.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Placebo komparator: Placebo én gang daglig
The placebo includes a matching tablet similar to empagliflozin tablet in shape, color, and size. Each participant randomly assigned to the Placebo group will administer one tablet each day along with the usual standard medical therapy within the clinical study period
Andre navn:
  • Matchende placebo
  • inactive gredient
Eksperimentell: Empagliflozin 25 mg once daily
The intervention includes empagliflozin 25 mg tablet once daily, empagliflozin is a sodium glucose cotransporter-2 inhibitor (SGLT2I) medication that provides a glycemic control, furthermore, it is reported its antiproteinuric effect and improving the kidney function. Each participant randomly assigned to the interventional group will administer one tablet each day provided with the usual standard care therapy within the clinical study period.
Andre navn:
  • EMPA
  • SGLT2Is

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Urinary protein-creatinine ratio (UPCR)
Tidsramme: From recruitment (week 0) to the end of treatment (week 12)
The difference in change in UPCR from baseline to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between both the placebo and EMPA groups.
From recruitment (week 0) to the end of treatment (week 12)
Estimated glomerular filtration rate (eGFR)
Tidsramme: From recruitment (week 0) to the end of treatment (week 12)
The difference in change in eGFR from baseline to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between both the placebo and EMPA groups.
From recruitment (week 0) to the end of treatment (week 12)

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
The tolerance and safety
Tidsramme: From enrollment (week 0) to 4 weeks following the end of the treatment (week 12)
The relative risk of adverse events reported between both treatment groups at 4 weeks following the end of the treatment (3 months).
From enrollment (week 0) to 4 weeks following the end of the treatment (week 12)
Fasting plasma glucose (FBG)
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in FBG to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between study groups.
From enrollment (week 0) to the end of treatment (week 12)
Systolic (SBP) and diastolic (DBP) blood pressure
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in systolic (SBP) and diastolic blood pressure (DBP) to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between study groups.
From enrollment (week 0) to the end of treatment (week 12)
Hemoglobin (Hb) level
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in Hb level to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between study groups.
From enrollment (week 0) to the end of treatment (week 12)
Hematocrit level
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in hematocrit level to the first follow-up (1.5 months) and to the end of the treatment period (3 months) between study groups.
From enrollment (week 0) to the end of treatment (week 12)
Glycated hemoglobin (HbA1c)
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in HbA1c to the end of the treatment period (3 months) between study groups
From enrollment (week 0) to the end of treatment (week 12)
Adverse events and safety
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The proportion of adverse events reported in EMPA and placebo groups throughout the research study (3 months).
From enrollment (week 0) to the end of treatment (week 12)
Partial response
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
Proportion of subjects that reach partial renal response in terms of UPCR (defined as ≥ 50% decline in UPCR from baseline value to ˂ 3000 mg/g of creatinine from a 24-h urine collection)
From enrollment (week 0) to the end of treatment (week 12)
Body weight
Tidsramme: From enrollment (week 0) to the end of treatment (week 12)
The difference in change from baseline in body weight to 1st follow-up (1.5 months) and to the end of the treatment period (3 months) between study groups.
From enrollment (week 0) to the end of treatment (week 12)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

22. januar 2024

Primær fullføring (Antatt)

30. desember 2026

Studiet fullført (Antatt)

30. desember 2026

Datoer for studieregistrering

Først innsendt

8. juli 2026

Først innsendt som oppfylte QC-kriteriene

8. juli 2026

Først lagt ut (Faktiske)

14. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

15. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

14. juli 2026

Sist bekreftet

1. november 2025

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

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UBESLUTTE

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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