18F-PBR06/Total Body PET Imaging in Patients With STEMI

Status Recruiting

Clinical Trial Summary

The study will use 18F-PBR06/uExplorer to study the activation of macrophages and systemic perfusion in patients with ST-segment elevation myocardial infarction (STEMI) or stable angina (SA). Participants will receive the total-body PET/CT scan on the seventh day (Day 7, D7) and D180 of enrolment.

Clinical Trial Description

The aim of our study is to explore the activation of macrophages in patients with ST-segment elevation myocardial infarction (STEMI) or stable angina (SA) using the 18 kDa translocator protein (TSPO) radioligand 18F N-fluoroacetyl-N-(2,5-dimethoxybenzyl)-2-phenoxyaniline (18F-PBR06) in combination with the world's first commercially available total-body PET/CT (uExplorer). The investigators expect to enroll 10 patients diagnosed with STEMI and 10 patients with SA who receive coronary angiography (CAG) and the percutaneous coronary intervention (PCI), and 5-10 healthy individuals diagnosed with SA but presenting negative CAG at Renji Hospital, Shanghai. The activation of macrophages (TSPO uptake) and blood perfusion in different organs will be studied using 18F-PBR06/uExplorer. With written consent from eligible participants, the investigators will review past medical records and document the medical history for each participant. Patients will undergo PCI on the day of enrolment (12 hours within the symptom onset for STEMI patients). Screen procedures will be performed at the seventh day of enrolment (Day 7, D7) and Day 180 (D180). Participants will receive one dose of the non-therapeutic administration of the radioactive TSPO tracer 18F-PBR06 and receive a whole-body scan by uExplorer. TSPO uptake and blood flow in the heart, kidney, liver, brain, and lung will be recorded. All participants will be followed for 1 year after enrolment. Blood samples will be collected and echocardiography will be performed at D7 and D180. Major adverse cardiovascular events (MACE) will be recorded throughout the follow-up. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05269446
Study type	Observational
Source	RenJi Hospital
Contact	Zhiguo Zou, MD, PhD
Phone	+86 13524596108
Email	zouzhiguo@renji.com
Status	Recruiting
Phase
Start date	July 8, 2022
Completion date	December 31, 2024

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.