Prognostic Accuracy of ST2 Dynamics in Ischemic Stroke Outcome — ST2ROKE  

Ischemic Stroke Clinical Trial

Official title: Prognostic Accuracy of Suppression of Tumorigenicity 2 Dynamics in Ischemic Stroke Outcome

Status Completed

Clinical Trial Summary

Early outcome prediction after ischemic stroke (IS) is of great importance. Prognosis is usually based on clinical variables and neuroradiological findings while serum biomarkers may contribute to prognostic accuracy. Inflammatory biomarker Suppression of Tumorigenicity 2 (ST2) has been shown as promising in IMU outcome predicting. The relationship between ST2 serum values and IS severity is not fully clarified. The proposed hypothesis is that earlier releasing and higher ST2 serum concentrations will be associated with a worse IS outcome. In this prospective and observational study 20 patients with IS will be included and followed. The primary outcome is functional outcome according to the modified Ranking scale at 90 days. In case of hypothesis confirmation, theoretical contribution will be in a better understanding of pathophysiological changes in acute phase of IS, while the clinical purpose is to improve the prognostic procedure.

Clinical Trial Description

The following data will be collected for all participants: 1. concentration of ST2 biochemical markers, 2. concentration of routine biochemical and hematological tests, 3. prognostic indices of PNI and GPS, 3. sex, 4. age, 5. body weight, 6. body visa, 7. body mass index (BMI), 8. NIHSS, 9. volume of brain infarction, 10. exact time of onset of symptoms, 11. smoking, 12. excessive alcohol drinking, 13. drug abuse, 14. arterial hypertension, 16. atrial fibrillation, 17. presence of cardiac valve, 18. dyslipidemia, 19. diabetes, 20. coronary disease, 21. liver dysfunction, 22. renal dysfunction, 23. peripheral arterial disease, 24. pre-existing stroke / transient ischemic attack, 25. positive family history, 26. complication of IS, 27. etiology of IS according to TOAST (criteria Trial of Org 10172 in Acute Stroke Treatment) criteria, 28. localization of MU according to OCSP (Oxfordshire Community Stroke Project) projects. Procedures: Laboratory parameters will be measured at seven time points, monitored once daily for six consecutive days, and will include: complete blood count, glucose concentration, sodium, urea, creatinine, C - reactive protein, total and direct bilirubin, total cholesterol, triglyceride, LDL-cholesterol, HDL-cholesterol, urate, total protein, albumin, eGFR (estimated glomerular filtration rate) and alanine aminotransferase enzyme activities, aspartate aminotransferase and gamma-glutamyl transpeptidase. The prognostic indices of PNI (formula that includes albumin and leukocyte count) and GPS (formula that includes CRP and albumin) will be calculated. The size of the IS will be analyzed on the basis of computed tomography (CT) of the brain and CT of the brain volumetry according to Pullicino formulas, in patients who will undergo brain CT initially and at least 20-24 hours apart. The IS classification will enforce the use of the TOAST and OCSP criteria. The severity of IS will be clinically assessed using the NIHSS scale at hospital admissions and during each subsequent point in the study timeline. Stroke outcomes will be assessed using mRS on day 6 and day 90 (+/- 7 days) with a comparison of disability on the same rating scale before hospitalization. Sampling will be done during regular business hours and on duty (0-24 hours). Blood will be drawn by the nurse / technician from the ante-cubital vein according to EFML-COABIOCLI guidelines. From the remaining blood samples routinely taken as part of the patient's regular treatment, concentrations of biochemical markers will be determined. In addition, at those time points (up to 6) at which blood is not excluded during laboratory processing for laboratory testing, this will be done for the purposes of this research. The maximum amount of additionally excluded blood for the purposes of this study will therefore be 48 mL. Analysis of routine laboratory parameters will be performed immediately after sampling. Part of the serum will be stored at -20 ° C for subsequent analysis of the concentration of the biochemical marker ST2. Laboratory parameters will be determined by the enzyme linked immunosorbent assay method on an automatic analyzer. ;

Related Conditions & MeSH terms

• Cerebral Infarction
• Ischemia
• Ischemic Stroke
• Stroke

• NCT number: NCT04607031
• Study type: Observational
• Source: General Hospital Sveti Duh
• Status: Completed
• Start date: September 10, 2019
• Completion date: March 31, 2021