뇌졸중 후 심장 염증의 MR 증거 (MIRACLE)
뇌졸중 후 심장 염증의 자기 공명 영상 증거
The present study is an investigator initiated, single-centre, prospective, proof-of-concept cohort study aiming to enroll 44 patients with acute middle cerebral artery (MCA) ischemic stroke, involving the right (n=22) and left (n=22) MCA territories and 24 control patients with acute focal neurological symptoms but no evidence of acute brain infarct on DWI-MRI.
연구 개요
상태
상세 설명
The present study is an investigator-initiated, single-center, prospective cohort study. The study aims to enroll 44 patients with acute/subacute middle cerebral artery (MCA) ischemic stroke. The investigators will compare inflammatory markers among 44 patients with MCA ischemic stroke within 10 days post-stroke vs. 60±15 days post-stroke. Other measures to be determined at both time points include B-Type Natriuretic Peptide and systemic inflammatory markers.
연구 유형
등록 (추정된)
연락처 및 위치
연구 연락처
- 이름: Diana Ayan, MSc
- 전화번호: 35826 +1 519.685.8500
- 이메일: diana.ayan@lhsc.on.ca
연구 연락처 백업
- 이름: Jennifer Moussa
- 전화번호: 33110 +1 519.685.8500
- 이메일: jennifer.moussa@lhsc.on.ca
연구 장소
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Ontario
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London, Ontario, 캐나다, N6A 5A5
- 모병
- Heart & Brain Lab, Western University
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수석 연구원:
- Luciano Sposato, MD, MBA
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연락하다:
- Jennifer Moussa
- 전화번호: 33110 +1(519) 685-8500
- 이메일: jennifer.moussa@lhsc.on.ca
-
연락하다:
- Diana Ayan, MSc
- 전화번호: 35826 +1(519) 685-8500
- 이메일: diana.ayan@lhsc.on.ca
-
-
참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
The investigators will include 44 patients with right (n=22) and left (n=22) MCA ischemic stroke. The investigators aim to include at least 50% of female patients. The investigators will include 24 participants in a control group. Participants in the control group will be patients presenting with acute stroke symptoms but no evidence of acute brain infarction on DWI-MRI imaging. Participants will be divided by sex: the investigators aim to enroll 12 female and 12 male participants. The investigators will aim to enroll participants within the same age range as the stroke participants.
설명
Inclusion Criteria:
• Acute ischemic stroke in the right or left MCA territory. Acute ischemic stroke is defined as acute onset focal symptoms matching an acute brain infarct documented on Head computed tomography or diffusion-weighted imaging (DWI) MRI of the brain showing restricted diffusion.
Exclusion Criteria:
- History of known atrial fibrillation, prior myocardial infarction, coronary artery disease, heart failure, prior cardiovascular surgery or percutaneous intervention.
- Previous stroke (occurred within 3 months before the index event)
- Impaired renal function defined as a creatinine clearance <97 mL/min in men or <88 mL/min in women, according to the Cockcroft formula.
- hs-TnT >100 on routine acute stroke baseline bloodwork upon admission.
- Clinically or neurologically unstable patients as per the treating physician.
- Ongoing infection or recent infection within the previous 3 months
- Surgery within 3 months before the stroke
- Concurrent and active inflammatory conditions (connective tissue diseases, rheumatological disease, etc.) or use of anti-inflammatory medications
- Pregnancy, Stage IV renal insufficiency, eGFR <30, and any other contraindications to the use of gadolinium.
- Stroke with symptomatic hemorrhagic transformation
- Subjects will be excluded if they fail the LHSC standard MRI screening questionnaire (cardiac pacemakers/wires, aneurysm clips, shunt/surgical clips, shrapnel/bullets, dentures or metal braces, intra-uterine devices, heart valves, ear implants, prostheses, medication patches such as Nicoderm, Habitrol, or Transderm-Nitro, claustrophobia, history of a head or eye injury involving metal fragments.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 관찰 모델: COHORT
- 시간 관점: PROSPECTIVE
코호트 및 개입
그룹/코호트 |
개입 / 치료 |
|---|---|
|
Cases (Ischemic stroke): Left and right middle cerebral artery ischemic stroke
Patients presenting with acute onset focal neurological deficits and DWI-MRI evidence of an acute brain infarct of the left or right middle cerebral artery ischemic stroke. |
Cardiac magnetic resonance imaging (MRI) with a protocol designed to measure myocardial inflammation and fibrosis. Measurement of B Natriuretic Peptide on patients' blood samples at 10 and 60+/-15 days. Measurement of a panel of 92 systemic inflammatory markers on patients' blood samples at 10 and 60+/-15 days. |
|
Controls (TIA): Patients with acute focal neurological symptoms without brain infarct on MRI.
Patients presenting with acute onset focal neurological deficits presumed to be of vascular origin, WITHOUT DWI-MRI evidence of an acute brain infarct. |
Cardiac magnetic resonance imaging (MRI) with a protocol designed to measure myocardial inflammation and fibrosis. Measurement of B Natriuretic Peptide on patients' blood samples at 10 and 60+/-15 days. Measurement of a panel of 92 systemic inflammatory markers on patients' blood samples at 10 and 60+/-15 days. |
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
The severity of left ventricular myocardial inflammation on cardiac MRI within 10 days post-stroke
기간: Within 10 days of stroke onset
|
Proportion of left ventricular myocardium showing inflammatory changes on gadolinium-enhanced cardiac MRI |
Within 10 days of stroke onset
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|
The extent of left ventricular fibrosis measured on gadolinium-enhanced cardiac MRI within 10 days of stroke onset
기간: Within 10 days of stroke onset
|
Proportion of left ventricular myocardium showing fibrosis on gadolinium-enhanced cardiac MRI |
Within 10 days of stroke onset
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Changes in left ventricular inflammation measured on gadolinium-enhanced cardiac MRI at 10 and 60±15 days post-stroke
기간: At 60±15 days compared to first 10 days
|
Quantification of left ventricular inflammation measured on gadolinium-enhanced cardiac MRI |
At 60±15 days compared to first 10 days
|
|
Change in B-Type Natriuretic Peptide (NT-proBNP) levels in the second measurement performed at 60±15 days post-stroke relative to the plasma sample drawn within 10 days.
기간: At 60±15 days compared to first 10 days
|
Change in levels of NT-proBNP between 10 and 60±15 days post-stroke |
At 60±15 days compared to first 10 days
|
|
Change in systemic inflammatory markers between 10 and 60±15 days post-stroke
기간: At 60±15 days compared to first 10 days
|
High-performance protein biomarker panel for following 92 inflammatory biomarkers in pg/mL ADA; ARTN; AXIN1; NGF; CCL13; CCL19; CCL2; CCL20; CCL23; CCL25; CCL28; CCL3; CCL4; CCL7; CCL8; CXCL10; CXCL11; CXCL5; CXCL6; CXCL9; CDCP1; CASP8; CST5; DNER; CCL11; EIF4EBP1; FGF19; FGF21; FGF23; FGF5; FLT3LG; CX3CL1; GDNF; CXCL1; HGF; IFNG; IL1A; IL10; IL10RA; IL10RB; IL12B; IL13; IL15RA; IL17A; IL17C; IL18; IL18R1; IL2; IL2RB; IL20; IL20RA; IL22RA1; IL24; IL33; IL4; IL5; IL6; IL7; CXCL8; MMP1; KITLG; LIF; LIFR; LTA; CSF1; SIRT2; CD244;NTF3;NRTN;OSM;CD274;S100A12;TGFA;STAMBP;SLAMF1;MMP10;SULT1A1;CD6;CD5;CD8A;TSLP;TGFB1;TNF;TNFSF10;TNFSF11;TNFSF12;TNFSF14;TNFRSF11B;CD40;TNFRSF9;PLAU;VEGFA |
At 60±15 days compared to first 10 days
|
|
Changes in left atrial inflammation measured on gadolinium-enhanced cardiac MRI at 10 and 60±15 days post-stroke
기간: At 60±15 days compared to first 10 days
|
Quantification of left atrial inflammation measured on gadolinium-enhanced cardiac MRI |
At 60±15 days compared to first 10 days
|
|
Changes in left atrial fibrosis measured on gadolinium-enhanced cardiac MRI at 10 and 60±15 days post-stroke
기간: At 60±15 days compared to first 10 days
|
Quantification of left atrial fibrosis measured on gadolinium-enhanced cardiac MRI |
At 60±15 days compared to first 10 days
|
공동 작업자 및 조사자
수사관
- 수석 연구원: Luciano Sposato, MD, London Health Sciences Center, Western University
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
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