Status:

RECRUITING

A Study That Collects Participant Data and Biospecimens to Analyze Pathogenic Exosomes That Mediate Increased Vascular Dementia Risk in Individuals With Herpes Zoster.

Lead Sponsor:

Center for Clinical Studies, Texas

Collaborating Sponsors:

National Institute on Aging (NIA)

Conditions:

Herpes Zoster (HZ)

Vascular Dementia

Eligibility:

All Genders

18+ years

Brief Summary

The purpose of this observational research study is to study if patients with herpes zoster, also known as Shingles, have a higher risk of vascular dysfunction (problems with blood vessels, including ...

Detailed Description

Vascular dementia: Vascular dementia is the second most common form of dementia after Alzheimer's disease and is characterized broadly as a loss of blood supply to the brain and compromised blood-brai...

Eligibility Criteria

Inclusion

  • At the Screening Visit (Visit 1/Day 1), all participants must meet all the following criteria in order to be considered for participation in the study:
  • Be a male or female ≥ 18 years of age.
  • Present to clinic for routine dermatologic evaluation with or without rash.
  • Are willing and able to complete study visits and procedures, and able to effectively communicate with the investigator and other study personnel.
  • Have adequate venous access and are willing to undergo venipuncture for blood draws.
  • Able to provide written informed consent prior to any study procedures. Additional inclusion criteria for Herpes zoster (HZ) participants,
  • Present with acute, vesicle-stage HZ that has not been treated with antiviral therapies
  • Are willing and have reliable transportation to complete additional follow-up visits at 7 days, 1 month, 3 months, 6 months, and 12 months after initial visit for acute HZ.

Exclusion

  • At the Screening Visit (Visit 1/Day 1), participants meeting any of the following criteria will be excluded from participation in the study:
  • Female individuals who are pregnant or breast-feeding.
  • Receiving systemic or topical antivirals for varicella zoster virus (VZV).
  • Sensitivity or allergy to systemic or topical antiviral medications for HZ.
  • History of diagnosed HZ within the last 8 years.
  • Received a HZ vaccine (e.g., Zostavax®/Shingrix®) within the last 8 years.
  • Received any vaccinations within the last 3 months.
  • Currently taking immunosuppressive therapies, including medications and radiation.
  • Currently taking any anticoagulants.
  • History of any coagulation disorder(s).
  • History of end-stage renal disease or uremia.
  • History of end-stage liver disease.
  • History of HIV.
  • Have had a COVID-19 infection in last 3 months.
  • Any history of non-skin cancers within the last 3 months.
  • History of serious infection requiring hospitalization in the last 3 months.
  • Prior history of cardiovascular accident or myocardial infarction within the last 12 months.
  • Prior cerebrovascular accident in the past 12 months.

Key Trial Info

Start Date :

February 13 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

August 1 2030

Estimated Enrollment :

375 Patients enrolled

Trial Details

Trial ID

NCT06903078

Start Date

February 13 2025

End Date

August 1 2030

Last Update

December 11 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Center for Clinical Studies, LTD. LLP

Houston, Texas, United States, 77004

2

Center for Clinical Studies, LTD. LLP

Webster, Texas, United States, 77598