Clinical trials: Regional Blood Flow
Glaucoma, Open-Angle, Circadian Rhythm
Circadian Variations in Ocular Blood Flow in Glaucomatous and Normal Eyes
After focusing many years only on intraocular pressure (IOP) as the primary risk factor, recently the impact of ocular blood flow is getting more consideration for the pathophysiology of glaucoma.
- Conditions
- Glaucoma, Open-Angle, Circadian Rhythm, Intraocular Pressure, Regional Blood Flow
- Trial name
- NCT00707226
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Normal Human Subjects
Single Photon Emission Computed Tomography of the Normal Human Brain
The objective of the study is to acquire a database of Single Photon Emission Computed Tomographic (SPECT) studies of the brains of normal human subjects in resting and concentrating states.
- Trial name
- NCT01203891
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Amen Clinics, Inc.
Postural Tachycardia Syndrome
Local Vasoconstriction in Postural Tachycardia Syndrome
The investigators study will determine how often blood flow regulation abnormalities and abnormalities of sympathetic regulation produced by nitric oxide, angiotensin-II, and oxidative stress occur in POTS and the mechanism(s) of…
- Trial name
- NCT01210430
- Testing
- Losartan, Ascorbic Acid (Vitamin C), Normal Saline
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Healthy, Mood Disorders
Effects of Drugs on Cerebral Blood Flow in Patients With Mood Disorders
Positron Emission Tomography (PET) is a technique used to investigate the functional activity of the brain. The PET technique allows doctors to study the normal biochemical and metabolic processes of the central nervous system of…
- Trial name
- NCT00001478
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Sickle Cell Anemia
Nitric Oxide to Improve Blood Flow in Sickle Cell Disease
Nitric oxide is important in regulating blood vessel dilation, and consequently, blood flow. This gas is continuously produced by cells that line the blood vessels.
- Trial name
- NCT00009581
- Testing
- L-NMMA, Acetylcholine
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)