Effects of Iloprost on Hypoxic Pulmonary Vasoconstriction and Exercise Capacity at High Altitude

• Status: Unknown status
• Trial end date: 2008-10-01
• Target enrollment: 0
• Participant gender: Male

Summary

The objective of this study is to determine if single dose administration of inhaled iloprost will reduce pulmonary artery pressure, reduce hypoxic pulmonary vasoconstriction and improve arterial oxygenation at rest and during exercise at high altitude.

• Phase: Phase 1
• Accepts Healthy Volunteers?: Accepts Healthy Volunteers

Details

• Lead Sponsor: VA Loma Linda Health Care System
• Collaborator: Actelion
• Treatments: Iloprost

Criteria

Inclusion Criteria:

1. Age: 18 - 80 years

2. Healthy physically active males or females

3. Have readily measurable tricuspid regurgitation (TR) peak systolic velocity by continuous wave Doppler ultrasound

Exclusion Criteria:

1. Unable to measure TR velocity

2. Known liver disease

3. Pregnancy

4. Nitrates, cyclosporin, glyburide or other medications that in the opinion of the investigators could place subjects at increased risk of complications

5. Any other medical condition that in the opinion of the investigators would place the subject at high risk