Status:

COMPLETED

Role of Nitric Oxide in Optic Nerve Head Blood Flow Regulation During Isometric Exercise in Healthy Humans

Lead Sponsor:

Medical University of Vienna

Conditions:

Healthy

Eligibility:

All Genders

18-35 years

Phase:

NA

Brief Summary

Autoregulation is defined as the ability of a vascular bed to adapt its vascular resistance to changes in perfusion pressure. In the eye, several studies have reported that retinal blood flow is autor...

Eligibility Criteria

Inclusion

  • Men and women aged between 18 and 35 years, nonsmokers
  • Men and women will be included in equal parts
  • Normal findings in the medical history and physical examination unless the investigator considers an abnormality to be clinically irrelevant
  • Normal findings in the laboratory testings unless the investigator considers an abnormality to be clinically irrelevant
  • Normal ophthalmic findings, ametropia less than 3 diopters

Exclusion

  • Regular use of medication, abuse of alcoholic beverages, participation in a clinical trial in the 3 weeks preceding the study
  • Treatment in the previous 3 weeks with any drug (except intake of oral contraceptives)
  • Symptoms of a clinically relevant illness in the 3 weeks before the first study day
  • History or presence of gastrointestinal, liver or kidney disease, or other conditions known to interfere with distribution, metabolism or excretion of study drugs
  • Blood donation during the previous 3 weeks
  • Pregnancy

Key Trial Info

Start Date :

September 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 1 2012

Estimated Enrollment :

18 Patients enrolled

Trial Details

Trial ID

NCT00806741

Start Date

September 1 2009

End Date

September 1 2012

Last Update

November 30 2012

Active Locations (1)

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Department of Clinical Pharmacology, Medical University of Vienna

Vienna, Austria, 1090