Status:

COMPLETED

Calcitriol in the Treatment of Immunoglobulin A (IgA) Nephropathy

Lead Sponsor:

Chinese University of Hong Kong

Conditions:

IGA Nephropathy

Eligibility:

All Genders

18-65 years

Phase:

PHASE4

Brief Summary

Immunoglobulin A (IgA) nephropathy is the most common type of primary glomerulonephritis in the world. A wealth of literature suggests that vitamin D and its analogs have profound effects on immune sy...

Detailed Description

This is a open-label and single arm study. We plan to recruit 10 patients with biopsy-proven IgA nephropathy will be recruited. Treatment regimen and dosage adjustment At week 0, all patients will r...

Eligibility Criteria

Inclusion

  • 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

  • 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

Key Trial Info

Start Date :

May 1 2006

Trial Type :

INTERVENTIONAL

End Date :

September 1 2007

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT00319761

Start Date

May 1 2006

End Date

September 1 2007

Last Update

January 30 2009

Active Locations (1)

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1

Department of Medicine & Therapeutics, Prince of Wales Hospital

Hong Kong, Hong Kong