Clincosm LogoSign in Get a demo

Biomarkers for the Progression of IgA Nephropathy

Sponsor
Istanbul University (Other)
Overall Status
Completed
CT.gov ID
NCT02529722
Collaborator
(none)
120
Enrollment
1
Location
39
Duration (Months)
3.1
Patients Per Site Per Month

Study Details

Study Description

Brief Summary

IgA nephropathy (IgAN) is the most prevalent primary glomerular disease worldwide and an important cause of end stage renal disease. IgAN has an incidence of 8-25 new cases/year/per million age-related population in adults and 3-5/new cases/year/per million age-related population in children and progresses to need of renal replacement treatment in 5-15% at 10 years and in about 20% at 20 years. The variability of the clinical course anticipates different treatment options. There is an absolute need of validated biomarkers to predict risk of progression and indication for treatment at early stages, when lesions can be reversible. This study aimed to evaluate IgAN progression and its histological and clinical correlates.

Condition or Disease Intervention/Treatment Phase

    Detailed Description

    IgA nephropathy is the most prevalent primary glomerular disease worldwide and an important cause of end stage renal disease. Clinical course varies from long term stable renal functions with minimal proteinuria and microscopic hematuria to rapidly progressive glomerulonephritis with crescents on renal biopsy which progresses to end stage renal disease in a very short time.

    In current practice the diagnosis is made with renal biopsy. A less invasive procedure for diagnosis is not present and no serum biomarkers for clinical follow-up, treatment response and prognosis are available. For that reason follow-up of the disease is enabled with indirect markers of renal function like proteinuria, serum creatinine and glomerular filtration rate. These markers are not specific for IgA nephropathy. The lack of disease specific markers hinders the standardization of patient follow-up and treatment. Development of specific and sensitive, repeatable, histopathological and clinical markers for diagnosis, follow up and treatment response in IgA nephropathy the most prevalent primary glomerular disease affecting many patients worldwide will offer prospects of diagnosis and improved prognostication.

    Study Design

    Study Type:
    Observational [Patient Registry]
    Actual Enrollment :
    120 participants
    Observational Model:
    Cohort
    Time Perspective:
    Cross-Sectional
    Official Title:
    Histological and Clinical Biomarkers to Predict the Progression of IgA Nephropathy
    Study Start Date :
    Jan 1, 2012
    Actual Primary Completion Date :
    Jan 1, 2015
    Actual Study Completion Date :
    Apr 1, 2015

    Outcome Measures

    Primary Outcome Measures

    1. Progression to end stage renal disease or two-fold increase in serum creatinine level as compared to baseline [36 months]

    Secondary Outcome Measures

    1. Resistance of proteinuria [36 months]

      Resistance of proteinuria defined as no improvement in the daily proteinuria levels or >1 g/24 hr proteinuria

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    16 Years to 75 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:

    • Patients with biopsy-proven IgA nephropathy (defined by standard criteria)

    • Patients at all ages will be included regardless of treatment given

    • A renal biopsy available for reviewing must include 8 or more glomeruli.

    • At least 3 measurements of blood pressure, serum creatinine and proteinuria have to be performed.

    • The first measurement should be within 3 months of the date of renal biopsy and the last at the end of the follow-up.

    • Patients must comply with the following criteria

    1. have a follow-up longer than 1 year

    2. or having progressed to end-stage renal disease regardless of the duration of follow-up.

    • Patients who have received antihypertensive or immunosuppressive medication will be included as well.
    Exclusion Criteria:

    • Diabetes at the time of first kidney biopsy.

    • Solid organ (other than kidney) or bone marrow transplant at the time of biopsy.

    • Other pre-existing parenchymal kidney disease on first kidney biopsy, determined by the pathology examination.

    • Diagnosis of any of the following diseases from the time of biopsy to the time of enrollment: Systemic lupus erythematosus, HIV infection, active malignancy, except for non-melanoma skin cancer, active hepatitis B or C infection, defined as positive viral load

    • Patients with life expectancy < 6 months

    • Patients who are unwilling or unable to consent.

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Division of Nephrology, Istanbul Faculty of Medicine, Istanbul University Istanbul Turkey 34093

    Sponsors and Collaborators

    • Istanbul University

    Investigators

    • Principal Investigator: Yasar Caliskan, MD, Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Yasar Caliskan, Associate Professor of Medicine, Istanbul University
    ClinicalTrials.gov Identifier:
    NCT02529722
    Other Study ID Numbers:
    • 2907
    First Posted:
    Aug 20, 2015
    Last Update Posted:
    Aug 20, 2015
    Last Verified:
    Aug 1, 2015
    Additional relevant MeSH terms:
    Kidney Diseases
    Glomerulonephritis, IGA

    Study Results

    No Results Posted as of Aug 20, 2015