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Role of endothelin- and nitric oxide-system in the regulation of optic nerve head blood flow during changes in ocular perfusion pressure

Role of endothelin- and nitric oxide-system in the regulation of optic nerve head blood flow during changes in ocular perfusion pressure

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2005-005896-14-AT
Enrollment
Unknown
Registered
2006-01-16
Start date
2006-02-20
Completion date
Unknown
Last updated
2013-06-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

18 healthy male volunteers Age 18-35 yrs., nonsmokers

Interventions

Product Name: L-NMMA · AcOH/C-020 Pharmaceutical Form: Intravenous infusion INN or Proposed INN: NG-monomethyl-L-arginine Concentration unit: mg/kg milligram(s)/kilogram Concentration type: equal Conc

Sponsors

Department of Clinical Pharmacology
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Men aged between 18 and 35 years, nonsmokers. Body mass index between 15th and 85th percentile (Must et al. 1991) Normal findings in the medical history and physical examination unless the investigator considers an abnormality to be clinically irrelevant. Normal laboratory values unless the investigator considers an abnormality to be clinically irrelevant. Normal ophthalmic findings, ametropy =65 years) F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 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. Symptoms of a clinically relevant illness in the 3 weeks before the first study day. History of hypersensitivity to the trial drug or to drugs with a similar chemical structure. 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.

Design outcomes

Primary

MeasureTime frame
Main Objective: Optic nerve head pressure-flow relationship ;Secondary Objective: ;Primary end point(s):

Countries

Austria

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026