A Study of the Antioxidant Probucol Combined With Valsartan in Patients With IgA Nephropathy

August 27, 2013 updated by: Wei Shi, Guangdong Provincial People's Hospital

A Prospective Randomized, Controlled, Double Blinded Trial of the Antioxidant Probucol Combined With Valsartan in Patients With IgA Nephropathy

a statement of the study hypothesis:the effect of valsartan in patients with IgA nephropathy have been proved,and the efficacy of probucol in combination with valsartan is to be proved in patients with IgA nephropathy.

This is a prospective randomized controlled, double blinded pilot study to identify the efficacy of probucol in combination with valsartan in patients with IgA nephropathy. The renal function deterioration will be the primary outcome studied. The expected study duration will be 36 months.

Study Overview

Study Type

Interventional

Enrollment (Actual)

75

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Guangdong
      • Guangzhou, Guangdong, China, 510080
        • Guangdong General Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years to 56 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients who fulfill the clinical and pathological criteria for IgA nephropathy
  • Age: 18-60 years
  • Renal biopsy diagnostic for IgA nephropathy based on immunohistologic staining for IgA that is greater than or equal to staining for IgG and IgM
  • Urinary protein excretion rate is within the range of 1-2.5g/day
  • Serum creatinine <265.2umol/L at the time of randomization

Exclusion Criteria:

  • Patients who refuse to be randomized for treatment
  • Patients who prefer treatment with conventional agents
  • Patients who are pregnant or plan for pregnancy
  • Patients who are pathologically proven severely or diffusely proliferative IgA nephropathy or crescent glomerulonephritis with >= 50% segmental involvement of the glomeruli and should be treated with other agents,such as immunosuppressive agents or steroid
  • Clinical and histologic evidence of:

    • systemic lupus erythematosus
    • Henoch-Schonlein purpura
    • cirrhosis
    • chronic active liver disease
    • hepatitis B
    • hepatitis C
    • severe chronic diarrhea
    • active peptic ulcer disease
    • HIV
    • acute renal failure
    • malignant hypertension
    • severe heart diseases
    • malignant tumor
    • any systemic infection
    • pregnancy
    • Known contraindication to the administration of probucol and valsartan

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: 1
In arm 1,Valsartan(80-160mg/day) is given to patients in combination with Placebo
Placebo
Valsartan (80-160mg/day)
Experimental: 2
Valsartan(80-160mg/day) + Probucol(750mg/day)
Valsartan (80-160mg/day)
Probucol (750mg/day)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
urinary protein loss whithin 24 hours
Time Frame: 2-3years
2-3years

Secondary Outcome Measures

Outcome Measure
Time Frame
renal function(serum Crea or eGFR) deterioration
Time Frame: 2-3years
2-3years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Wei Shi, PhD,MD, Nephrology Dept.,Guangdong General Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

May 1, 2007

Primary Completion (Actual)

January 1, 2013

Study Completion (Actual)

January 1, 2013

Study Registration Dates

First Submitted

January 23, 2007

First Submitted That Met QC Criteria

January 23, 2007

First Posted (Estimate)

January 24, 2007

Study Record Updates

Last Update Posted (Estimate)

August 28, 2013

Last Update Submitted That Met QC Criteria

August 27, 2013

Last Verified

August 1, 2013

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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