Sympathetic Regulation of Large Artery Stiffness in Humans With ISH
Public ClinicalTrials.gov record NCT04423627. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Sympathetic Regulation of Large Artery Stiffness in Humans With Age-Related Isolated Systolic Hypertension
Study identification
- NCT ID
- NCT04423627
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Early Phase 1
- Lead sponsor
- University of Iowa
- Other
- Enrollment
- 100 participants
Conditions and interventions
Conditions
Interventions
- Clonidine Drug
- Hydrochlorothiazide Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 60 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 2021
- Primary completion
- Jul 30, 2025
- Completion
- Jul 30, 2025
- Last update posted
- Aug 7, 2025
2021 – 2025
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Amy Stroud | Iowa City | Iowa | 52240 | — |
| University of Iowa | Iowa City | Iowa | 52242 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04423627, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 7, 2025 · Synced May 17, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04423627 live on ClinicalTrials.gov.