Clinical trial Recruiting at 1 site Observational Ages 50 to 80

Exploring VISTA Levels in Patients with Vascular Cognitive Impairment

Official title: Study On the Expression Level and Clinical Significance of VISTA in Patients With Vascular Cognitive Impairment

Run by First Affiliated Hospital of Harbin Medical University · NCT06342661 · Data updated 2026-11-12

This study is testing how levels of a protein called VISTA in the blood and spinal fluid relate to cognitive problems in people with heart and blood vessel issues over several years.

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Quick facts

Study typeObservational
Ages50 Years to 80 Years
SexAll
Enrollment400 (estimated)
SponsorFirst Affiliated Hospital of Harbin Medical University
Academic / other
Locations1 site (Harbin, Heilongjiang)
StatusRecruiting
StartedMarch 1, 2023
Main results expectedNovember 2028
Study endsNovember 2028
Registry record updatedApril 2, 2024
Trial IDNCT06342661 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with vascular cognitive impairment and those without cognitive impairment but with cardiovascular risk factors.

Probably not a fit

Patients with autoimmune diseases, blood disorders, or recent acute inflammatory diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study investigates the expression levels of the immune checkpoint VISTA in the blood and cerebrospinal fluid of patients with cardiovascular risk factors. It aims to correlate these levels with various risk factors such as hypertension and diabetes, as well as immune-inflammatory factors like IL1 and TNFα. The study includes a follow-up of patients over 3 to 5 years to track changes in VISTA levels and their relationship with cognitive impairment. The research is conducted at the First Hospital of Harbin Medical University.

Why it matters

Potential benefit: If successful, this study could enhance understanding of the role of VISTA in vascular cognitive impairment, potentially leading to new therapeutic strategies.

How similar studies have gone: While studies on immune checkpoints in neurological conditions exist, this specific focus on VISTA in vascular cognitive impairment is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. The study included 100 subjects, including 50 patients with VCI and 50 normal controls. The diagnosis of VCI was based on the diagnostic criteria for psychiatric disorders in the fifth revised edition of the "Diagnostic and Statistical Manual of Mental Disorders" of the American Psychiatric Association;
2. All relevant examination and cognitive testing work in this study obtained informed consent from the subjects and their families.

Exclusion Criteria:

1\. In line with the exclusion criteria for VCI diagnosis in the "Chinese guidelines for the treatment of vascular cognitive impairment 2019"; complicated with autoimmune diseases, blood diseases, malignant tumors, heart, liver, and kidney dysfunction, infectious diseases, family genetic diseases, recent acute or chronic inflammatory diseases, myocardial infarction, etc.; taking antibiotics, steroids, immunosuppressants before the trial; having a history of cranial trauma or surgery.

Where it's running

  • First Affiliated Hospital of Harbin Medical University
    Harbin, Heilongjiang, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.