Cerebrovascular Reactivity Assessed With fNIRS as a Biomarker of TCVI After Acute Traumatic Brain Injury in Military
Public ClinicalTrials.gov record NCT04058132. 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
Cerebrovascular Reactivity (CVR) Assessed With Functional Near Infrared Spectroscopy (fNIRS) as a Biomarker of Traumatic Cerebrovascular Injury (TCVI) Measured Longitudinally After Acute TBI in Military Personnel
Study identification
- NCT ID
- NCT04058132
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Uniformed Services University of the Health Sciences
- Federal
- Enrollment
- 1 participant
Conditions and interventions
Conditions
Interventions
- Sildenafil Citrate 50Mg Tab Drug
- functional Near-infrared Spectroscopy (fNIRS) Device
- Carbon Dioxide (CO2) 5% Other
- Neuropsychological Assessments Other
- Gadolinium contrast infusion Drug
- Blood sample collection for research purposes Procedure
- Structural brain Magnetic Resonance Imaging (MRI Other
Drug · Device · Other + 1 more
Eligibility (public fields only)
- Age range
- 18 Years to 55 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
- Aug 8, 2019
- Primary completion
- Feb 29, 2020
- Completion
- Feb 29, 2020
- Last update posted
- Feb 27, 2024
2019 – 2020
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Walter Reed National Military Medical Center | Bethesda | Maryland | 20889 | — |
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 NCT04058132, 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 Feb 27, 2024 · Synced Jun 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04058132 live on ClinicalTrials.gov.