Status:

COMPLETED

Autoregulation of Glomerular Filtration Rate in Patients With Type 1 Diabetes During Spironolactone Therapy

Lead Sponsor:

Steno Diabetes Center Copenhagen

Conditions:

Hypertension

Eligibility:

All Genders

18-70 years

Phase:

PHASE4

Brief Summary

To evaluate the impact of spironolactone treatment on renal autoregulation in hypertensive type 1 diabetic patients.

Detailed Description

Double-masked, randomized, crossover trial. In random order, patients will be treated with spironolactone 25 mg o.d. and matched placebo for 28 days. On the last day of treatment, GFR will be determi...

Eligibility Criteria

Inclusion

  • Type 1 diabetes
  • Age between 18 and 70 years
  • Blood pressure ≥ 135 mm Hg systolic and/or ≥ 85 mm Hg diastolic or ongoing antihypertensive treatment
  • Informed consent

Exclusion

  • Diabetic nephropathy
  • Other known kidney or renal tract disease
  • Malignant hypertension
  • Blood pressure \> 170/105 at baseline or during AHT wash-out period
  • Plasma potassium \> 4.7 mmol/l
  • Elevated plasma creatinine (\>88 µmol/l for women and \>100 µmol/l for men)
  • Symptoms of Ischemic heart disease within 3 months prior to study start
  • Previous cerebrovascular event (apoplexy, TCI)
  • Abuse of medicine or alcohol
  • Pregnancy or breastfeeding
  • Woman of child-bearing age who are not using adequate contraception
  • ASA treatment \> 1g/day or regular use of NSAIDs
  • Known allergy to or side-effects of spironolactone
  • Inability to understand patient information

Key Trial Info

Start Date :

June 1 2006

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 1 2007

Estimated Enrollment :

17 Patients enrolled

Trial Details

Trial ID

NCT00335413

Start Date

June 1 2006

End Date

April 1 2007

Last Update

June 5 2008

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