Stroke Clinical Trial - Clinical & Laboratory Biomarkers in Patients With

Status Recruiting

Clinical Trial Summary

Aim of the present study is to investigate molecular and clinical markers in patients with atherosclerotic carotid stenosis (ACAS) in the ischemic stroke acute phase.

Clinical Trial Description

Background: Laboratory biomarkers of atherosclerosis can be valuable in decision about operative treatment in patients with mild to severe atherosclerotic carotid stenosis (ACAS) and high stroke risk. However nowadays there are no established instruments for personalized atherothrombotic stroke diagnostics. Aim of the present study was to access atherosclerosis biomarkers serum levels in patients with ACAS during the ischemic stroke/ transient ischemic attack (TIA) acute phase.

Main objective of the study To explore informative biomarkers to determine the risk of stroke in patients with significant ACAS.

Secondary objectives

1. To investigate the association between the degree of neurological and cognitive deficits , the features of the disease , the severity of brain lesions according to neuroimaging data with the concentration of lipoprotein -associated phospholipase A2 (LP-PL-A2), high sensitive C- reactive protein (hsCRP) , pregnancy-associated plasma protein A (PAPP-A), asymmetric dimethylarginine (ADMA), lipoprotein (a) in patients with atherothrombotic stroke.

2. To find the most valuable laboratory biomarkers of atherosclerosis , to compare them with clinical and objective data to make decision about inclusion of these biomarkers in routine practice as a screening test of atherosclerotic plaque instability and for stroke risk prediction and in decision about operative treatment in patients with ACAS.

Design and Methods A single-blind cross-sectional trial was performed to investigate laboratory biomarkers of atherosclerosis in patients with atherosclerotic stenosis of the internal carotid artery 50-99 % , and in healthy volunteers. Randomizing and blinding technique: laboratory scientist and statistician do not have information about the belonging of biomaterials patient to any of the groups studied .

Examination of patients includes history taking, neurological examination, duplex ultrasound, mini mental score examination (MMSE), enzyme-linked immunosorbent assay (ELISA) performed atherosclerosis biomarkers serum level measurement (LP-PL-A2, PAPP-A, ADMA, hsCRP and blood lipid profile). ;

Study Design

Observational Model: Cohort, Time Perspective: Cross-Sectional

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02450721
Study type	Observational
Source	St. Petersburg State Pavlov Medical University
Contact	Elena V. Melnikova, Ph.D.
Phone	+79117431508
Email	melnikovae2002@gmail.com
Status	Recruiting
Phase	N/A
Start date	January 2011
Completion date	January 2018

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Clinical and Laboratory Biomarkers in Patients With Atherothrombotic Stroke — CLAST

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms