Blood pressure pills may change brain blood flow in seniors
NCT ID NCT06287580
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how blood pressure medications affect brain blood flow and the nervous system in older adults with high blood pressure. Researchers gave 27 participants either a drug or a placebo for 1-2 weeks and measured brain blood flow, cognitive function, and nerve activity. The goal was to learn if monitoring brain blood flow could help manage blood pressure treatment better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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27 people
The number who actually took part.
- Started
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Aug 2024
- Finished
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Feb 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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60 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Older men and women with prehypertension or mild-to-moderate essential hypertension (clinic systolic blood pressure 120-169 and/or diastolic blood pressure 80-109 mmHg). Exclusion Criteria: * Any evidence of cardiovascular or pulmonary disease by medical history or by physical examination * Severe hypertension (systolic BP ≥170 and/or diastolic BP ≥110 mmHg; for safety reasons) or secondary hypertension * Being on ≥3 antihypertensive agents * Chronic kidney disease (an estimated glomerular filtration rate \>45 mL/min) or renal failure * Diabetes mellitus (fasting glucose ≥126 mg/dL or 2-hour oral glucose tolerance test, glucose level ≥200 mg/dL) or other systemic illness * Any history of substance abuse (other than tobacco) * Current cigarette smokers * History of gouty arthritis * Taking hormonal replacement therapy * Endurance-trained athletes * Diagnosed Alzheimer's disease and related dementias
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Institute for Exercise and Environmental Medicine
Dallas, Texas, 75231, United States
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Other studies related to the condition(s) this trial covers.
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