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L-Arginine Supplementation and Exercise; L-Arginine Supplementation and Renal Function
This study has been completed.
First Received: September 13, 2005   Last Updated: November 28, 2007   History of Changes
Sponsored by: University Hospital, Strasbourg, France
Information provided by: University Hospital, Strasbourg, France
ClinicalTrials.gov Identifier: NCT00213915
  Purpose
  • exercise capacities are still altered after heart transplantation partly due to peripheral endothelial dysfunction
  • cyclosporin-induced renal dysfunction may be due to renal endothelial dysfunction and can be reversed in an animal model by L-arginine supplementation
  • to determine the potential beneficial effect of L-arginine supplementation on exercise capacity and renal function of heart transplant recipients

Condition Intervention Phase
Heart Transplantation
Drug: 12 g of L-arginine glutamate during 6 weeks twice a day
Phase IV

MedlinePlus related topics: Dietary Supplements Exercise and Physical Fitness Heart Transplantation
Drug Information available for: Arginine Arginine hydrochloride Arginine glutamate
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Efficacy Study
Official Title: Effects of Oral Chronic L-Arginine Supplementation on Exercise and Renal Function of Heart Transplant Recipients

Further study details as provided by University Hospital, Strasbourg, France:

Primary Outcome Measures:
  • Maximal and sub maximal exercise capacity at the end of the 6 weeks L-arginine supplementation. Renal function at the end of the 6 weeks

Secondary Outcome Measures:
  • No secondary effects

Estimated Enrollment: 30
Study Start Date: February 2004
Estimated Study Completion Date: December 2004
  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Male (> 18 years old) stable heart transplant recipient for at least 6 weeks
  • Stable treatment for at least 3 months
  • Sedentary people

Exclusion Criteria:

  • Unstable cardiac pathology
  • Obesity (IMC > 40)
  • Participation in another study in the last month
  • Chronic renal failure (creatinine clearance < 20 ml/min)
  • Renal transplantation
  • Diabetes
  • Impossibility to practice exercise test
  • Nitrate therapy
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00213915

Locations
France
Service des Explorations Fonctionnelles Respiratoires et de l'Exercice
STRASBOURG, France, 67091
Service de Chirurgie Vasculaire
STRASBOURG, France, 67091
Institut de Physiologie
STRASBOURG, France, 67091
Sponsors and Collaborators
University Hospital, Strasbourg, France
Investigators
Principal Investigator: Stephane DOUTRELEAU, MD Service de Physiologie et d'Explorations Fonctionnelles
  More Information

No publications provided

Study ID Numbers: 3031
Study First Received: September 13, 2005
Last Updated: November 28, 2007
ClinicalTrials.gov Identifier: NCT00213915     History of Changes
Health Authority: France: Afssaps - French Health Products Safety Agency

Keywords provided by University Hospital, Strasbourg, France:
L-arginine
exercise capacity
renal function
nitric oxide
exercise capacity using a maximal exercise test
urinary elimination of a saline load using blood and urinary samples

Study placed in the following topic categories:
Nitric Oxide

ClinicalTrials.gov processed this record on May 07, 2009