- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT02017522
Non-Invasive Characterization in Cardiac Sarcoidosis
Studieöversikt
Detaljerad beskrivning
Studietyp
Inskrivning (Faktisk)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
-
-
Michigan
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Ann Arbor, Michigan, Förenta staterna, 48109
- University of Michigan Hospital
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- 18 years of age or older
- must have undergone a cardiac positron emission tomography (PET) scan using 18F-fluorodeoxyglucose (FDG) for clinical reasons (i.e. referred by your doctor) within the preceding 30 days which showed evidence of active inflammation in your heart.
Exclusion Criteria:
- If you have two copies of a genetic variation called rs6971 which will prevent this tracer from generating high-quality images you may not participate. If you consent, a blood sample will be drawn to check whether you have this genetic variation.
- Pregnancy or breastfeeding. If you are female and still experience menstrual periods, you must be willing to use contraception until your participation in the study is complete.
- Allergy or intolerance to contrast dye containing gadolinium
- Claustrophobia which would prevent you from completing an approximately one hour MRI scan
- Inability to lie flat with your arms by your head
- Abnormal kidney function (estimated GFR(glomerular filtration rate) <60 ml/min/1.73 m2)
- Implanted pacemaker, defibrillator or other medical devices which are not safe for 3 Tesla MRI
- Metal in the eyes or shrapnel in the body
If you are clinically unstable you may not participate in this study. For example, if you have potentially life threatening abnormal heart rhythms which are not controlled by medication or other treatments, you cannot participate. Also, if you need medications to increase your blood pressure or cardiac function due to weak heart muscle, you cannot participate.
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Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Grundläggande vetenskap
- Tilldelning: N/A
- Interventionsmodell: Enskild gruppuppgift
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
|
Experimentell: 11C-PBR PET
Subjects will have a blood sample drawn to evaluate the presence of a specific genetic variation which would prevent the new type of imaging test we are evaluating from working and we will test the inflammatory cells in the blood for the same purpose. All participants who proceed will have to return on at least one additional day to undergo a positron emission tomography (PET) scan similar to the scan your doctor ordered. we will use 11C-PBR28 as the radiotracer. This study will evaluate whether 11C-PBR28 can show areas of inflammation due to cardiac sarcoidosis. On either the same day or a different day, you will also undergo a cardiac MRI. |
Subjects will have a positron emission tomography (PET) CT scan using 11C-PBR28 as a radiotracer. This study will evaluate inflammation due to cardiac sarcoidosis. The CT scan will improve the images. The total scan time will be about 30 minutes. There will also be some time required for prep, such as inserting an intravenous (IV) catheter in an arm or forearm. Including prep time, the scan will take approximately two hours. Subjects will also undergo a cardiac MRI. Cardiac MRI uses strong magnetic fields to make pictures of the heart. We will use gadolinium containing contrast material, given through an intravenous (IV) catheter to highlight areas of scar in your heart which may be due to cardiac sarcoidosis. This scan will take about 60 minutes. |
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Ratio of 11C-PBR28 in the Myocardium
Tidsram: 1 hour scan
|
The primary outcome of this study will be the ratio of 11C-PBR28 PET activity in myocardial regions with inflammation indicated by FDG PET and/or edema indicated by increased T2 signal with cardiac MRI compared to the 11C-PBR28 PET activity in myocardial segments which appear normal on FDG PET and cardiac MRI.
The primary outcome is thus the intensity of uptake in abnormal regions as a percentage of the intensity of uptake in normal segments.
|
1 hour scan
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
The Ratio of 11C-PBR28 PET Activity in Cardiac Regions With Fibrosis
Tidsram: 1 hour scan
|
As a secondary outcome of this study we will evaluate the ratio of 11C-PBR28 PET activity in regions with fibrosis indicated by decreased myocardial perfusion on 82Rb PET and/or late gadolinium enhancement on cardiac MRI without imaging signs of active inflammation compared to 11C-PBR28 PET activity in myocardial segments which appear normal on 82Rb PET, FDG PET and cardiac MRI. This outcome will thus be expressed by 11C-PBR28 PET uptake in fibrotic regions as a percentage of uptake in normal segments We will also evaluate the concordance between extracardiac activity seen in 11C-PBR28 and FDG PET, and when available, histopathology of contemporaneous biopsy specimens. |
1 hour scan
|
Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: Venkatesh L. Murthy, M.D., University of Michigan
Studieavstämningsdatum
Studera stora datum
Studiestart (Faktisk)
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- HUM00079881
Plan för individuella deltagardata (IPD)
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