Status:

COMPLETED

Renoprotection in Early Diabetic Nephropathy in Pima Indians

Lead Sponsor:

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Conditions:

Diabetic Nephropathy

Eligibility:

All Genders

18-65 years

Phase:

PHASE3

Brief Summary

This investigation is a randomized, double-blinded, placebo-controlled clinical trial in adult diabetic Pima Indians with normal urinary albumin excretion (albumin-to-creatinine ration less than 30 mg...

Detailed Description

This investigation is a randomized, double-blinded, placebo-controlled clinical trial in adult diabetic Pima Indians with normal urinary albumin excretion (albumin-to-creatinine ratio \< 30 mg/g) or m...

Eligibility Criteria

Inclusion

  • INCLUSION CRITERIA:
  • Volunteers from the Gila River Indian Community who meet the eligibility criteria will be invited to participate.
  • To be eligible for participation in the study, subjects must meet the following criteria:
  • Aged 18-65.
  • Diagnosis of type 2 diabetes greater than or equal to 5 years.
  • Serum creatinine concentration less than to 1.4 mg/dl.
  • Serum potassium concentration less than or equal to 5.5 milliequivalents (mEq)/L.
  • At least 2 of 3 weekly screening urinary albumin-to-creatinine ratios less than 300 mg/g. All screening tests are to be within 3 months of enrollment.
  • Willingness, after receiving a thorough explanation of the study, to participate.
  • EXCLUSION CRITERIA:
  • Subjects will be excluded for the following reasons:
  • Clinically significant disorders of the liver, cardiovascular disease, cerebrovascular disease, peripheral vascular disease, pulmonary diseases, renal-urinary disorders, gastrointestinal disorders, or hematocrit levels less than or equal to 30 percent in women or less than or equal to 35 percent in men.
  • Renovascular or malignant hypertension; uncontrolled hypertension despite treatment with three antihypertensive drugs; or hypertension that is being treated with antihypertensive medicines and the primary care physician or the patient refuses to adopt the blood pressure treatment regimen outlined in the study protocol.
  • Hematuria of unknown etiology.
  • Chronic debilitating disorders with or without treatment that would interfere with the assessment of kidney function or that might reduce the chances of survival for a sufficient length of time to evaluate efficacy of treatment.
  • Currently receiving a drug regimen that includes: steroids, immunosuppressants, or investigational new drugs.
  • Pregnancy. Women of childbearing potential must have a negative pregnancy test prior to entry and every three months during the study.
  • Evidence of inability to empty the bladder.
  • Hypersensitivity to angiotensin-converting enzyme inhibitors (ACEi), ARBs, or iodine.
  • Bleeding disorders, since kidney biopsies could not be performed safely in these individuals.
  • Massive obesity with body mass index greater than or equal to 45 kg/m(2).
  • Non-diabetic renal disease.
  • Conditions that are likely to interfere with informed consent or compliance with the protocol.

Exclusion

    Key Trial Info

    Start Date :

    August 1 1995

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    March 1 2014

    Estimated Enrollment :

    170 Patients enrolled

    Trial Details

    Trial ID

    NCT00340678

    Start Date

    August 1 1995

    End Date

    March 1 2014

    Last Update

    March 25 2021

    Active Locations (1)

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    NIDDK, Phoenix

    Phoenix, Arizona, United States, 85014