Calcitriol in the Treatment of Immunoglobulin A (IgA) Nephropathy
IGA Nephropathy
About this trial
This is an interventional treatment trial for IGA Nephropathy focused on measuring glomerulonephritis, proteinuria, chronic kidney diseases
Eligibility Criteria
Inclusion Criteria: aged 18-65 years biopsy-confirmed IgA nephropathy proteinuria > 1 g/day (or proteinuria > 1 g/g-Cr) in 2 consecutive samples within 12 weeks despite ACE inhibitor or angiotensin receptor blocker treatment (ramipril 5 mg daily, lisinopril 10 mg daily, or valsartan 80 mg daily) for at least 3 months estimated glomerular filtration rate 15 to 60 ml/min/1.73m2 corrected serum calcium level M 2.45 mmol/l willingness to give written consent and comply with the study protocol Exclusion Criteria: Pregnancy, lactating or childbearing potential without effective method of birth control Severe gastrointestinal disorders that interfere with their ability to receive or absorb oral medication History of malignancy, including leukemia and lymphoma within the past 2 years Systemic infection requiring therapy at study entry Any other severe coexisting disease such as, but not limited to, chronic liver disease, myocardial infarction, cerebrovascular accident, malignant hypertension History of drug or alcohol abuse within past 2 years Participation in any previous trial on vitamin D analogue Patients receiving treatment of vitamin D and/or its analogue for other medical reasons within the past 3 months Patients receiving treatment of corticosteroid On other investigational drugs within last 30 days History of a psychological illness or condition such as to interfere with the patient's ability to understand the requirement of the study History of non-compliance Known history of sensitivity or allergy to vitamin D analogs
Sites / Locations
- Department of Medicine & Therapeutics, Prince of Wales Hospital