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Non Invasive Assessment of Subclinical Atherosclerosis and Cardiovascular Risk Using TYG Index in Lupus Nephritis
Non Invasive Assessment of Subclinical Atherosclerosis in Relation to Triglyceride-Glucose (TyG) Index and Cardiovascular Risk in Lupus Nephritis a Single Center study_Assuit University
Systemic lupus erythematosus (SLE) is a chronic, multisystem autoimmune disease characterized by loss of immune tolerance, autoantibody production, immune complex deposition, and complement activation, resulting in widespread inflammation and organ damage. Renal involvement, known as lupus nephritis (LN), occurs in approximately 40-60% of SLE patients and represents one of the most severe disease manifestations, significantly contributing to morbidity and mortality.Lupus nephritis arises from immune complex deposition in glomerular and tubulointerstitial structures, causing inflammatory and proliferative lesions that can progress to chronic kidney disease or end-stage renal disease. The ISN/RPS classification provides a standardized histopathological framework essential for prognosis and guiding treatment decisions.
In addition to renal complications, patients with SLE and LN are at substantially increased risk of premature cardiovascular disease, which cannot be fully explained by traditional cardiovascular risk factors.Persistent systemic inflammation, endothelial dysfunction, dyslipidemia, and insulin resistance accelerate atherosclerosis in these patients. Subclinical vascular changes, including increased carotid intima-media thickness (CIMT) and carotid plaque formation, often precede overt cardiovascular events, underscoring the importance of early cardiovascular risk assessment The triglyceride-glucose (TyG) index is a validated surrogate marker of insulin resistance, correlating with endothelial dysfunction, subclinical atherosclerosis, and increased CIMT Elevated TyG index may therefore serve as a simple, non-invasive tool for early cardiovascular risk stratification in patients with lupus nephritis
Studie Overzicht
Toestand
Gedetailleerde beschrijving
the study is asingle center observational study will be conducted at Assiut University Hospital,Internal medicine departement, ,Rheumatology and Renal unit(inpatient,_outpatient clinics) including :Full history taking and thorough clinical examination including:
- Demographic Information: Collect data on age, gender, duration of illness, and relevant medical history.
- Body Mass Index (BMI)
- smoking status and Medications history as (corticosteroids, immunosuppressants and anti lipidemic drugs to be excluded)
- Clinical Assessment: patients diagnosed as SLE according to 2019 EULAR/ACR classification criteria. and lupus nephritis (LN) , classified according to the 2018 ISN/RPS classification of lupus nephritis.and Assessment of SLE disease activity according to SLEADI-2K score.
- Laboratory Tests:
- Combelete blood count (CBC)
- Lipid profile ( fasting TGS ,total cholesterol, LDL, HDL, VLDL)
- Fasting blood glucose (mg/Dl)
- Kidney function test (Serum Creatinine ,blood urea nitrogen)
- eGFR
- CRP
- Erthrocyte sedimentation rate (ESR)
- Autoantibody Profiles: ANA, anti-dsDNA
- Complement Levels: C3, C4
- Urinary protein excretion (24-hour urinary protein )
- Homocysteine
- Serum uric acid
Renal biobsy
- Indices calculation:
- Triglyceride-Glucose (TyG) Index
- The CRP_TYG index _- Carotid Ultrasonography
Studietype
Inschrijving (Geschat)
Contacten en locaties
Studiecontact
- Naam: nada abdelsalam nada abdelsalam hassan, MSc
- Telefoonnummer: +20 01003562354
- E-mail: nada011450@med.aun.edu.eg
Studie Locaties
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Assuit
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Asyut, Assuit, Egypte
- Assuit university hospitals
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Contact:
- Nada Abdelsalam, MSc
- Telefoonnummer: +20 01003562354
- E-mail: nada011450@med.aun.edu.eg
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- Adults aged ≥18 years
Diagnosis of SLE according to the 2019 ACR/EULAR classification criteria for systemic lupus erythematosus.
- Lupus nephritis , classified according to the 2018 ISN/RPS classification of lupus nephritis.
Exclusion Criteria:
- Established cardiovascular disease (MI, stroke, PAD)
- Diabetes mellitus
- Hypertension
- Patient with CKD
- infections
- other autoimmune diseases
- Pregnancy
- Malignancy
- chronic liver disease
- Dyslipidemia
- Obesity
- Patients on lipid lowering therapy
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Cohorten en interventies
Groep / Cohort |
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SLE without nephritis
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SLE with nephritis
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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1.Determining whether TyG index independently predicts subclinical atherosclerosis after adjusting for traditional risk factors in patients of systemic lupus erythematosus (SLE) with or without lupus nephritis(LN).
Tijdsspanne: baseline (at enrollment)
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baseline (at enrollment)
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
- Urogenitale ziekten
- Mannelijke urogenitale ziekten
- Nier Ziekten
- Urologische ziekten
- Vrouwelijke urogenitale ziekten
- Vrouwelijke urogenitale ziekten en zwangerschapscomplicaties
- Bindweefselziekten
- Auto-immuunziekten
- Ziekten van het immuunsysteem
- Glomerulonefritis
- Lupus erythematosus, systemisch
- Nefritis
- Huid- en bindweefselaandoeningen
- Lupus-nefritis
Andere studie-ID-nummers
- TYG index and CVS risks in LN
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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