Impact of FDG-PET/CT on Management of Patients with Native Valve Infective Endocarditis

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorMontreal Heart Institute

About this trial

The proposed study is a multicentric prospective observational cohort study of patients with suspected NVE. The study population includes those with Possible IE according to the modified Duke criteria and investigated at one of the 6 participating sites which include 2 cardiac centers, the MHI and the IUCPQ, as well as 4 tertiary care centers, the Jewish General Hospital , the McGill University Health Centre and the CHUS.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

18 years of age or older, capable to provide informed consent;

Referred for a FDG-PET/CT study

Classified as having Possible IE prior to FDG-PET/CT imaging;

Patients must be able to tolerate the physical/logistical requirements of a PET/CT scan.

Disqualifiers

Subjects with prosthetic cardiac valve and/or CIED;

Pregnant or breastfeeding female;

Body mass index > 45 kg/m2.

Trial population

The study population includes those with Possible IE according to the modified Duke criteria and investigated at one of the 5 participating sites

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

97 Participants
are grouped into 1 trial group
Group A: Patients with suspected native valve endocarditis

Trial outcomes

Primary outcomes

1

Proportion of patients with Possible IE that will be appropriately reclassified

Proportion of patients with Possible IE that will be appropriately reclassified as Definite IE by the addition of FDG-PET to the Duke criteria.

Time frame
3 months

Secondary outcomes

1

Sensitivity, specificity, and accuracy of FDG-PET for the detection of NVE

Time frame
3 months
2

Sensitivity, specificity, and accuracy of the Duke criteria with FDG-PET for detection of NVESensitivity, specificity, and accuracy of the Duke criteria with FDG-PET for detection of NVE

Time frame
3 months
3

Sensitivity, specificity, and accuracy of the Duke criteria with FDG-PET but excluding TEE for the detection of NVE

Time frame
3 months
4

Differences in maximal standardized uptake value (SUVmax) between infected and non-infected valves

Time frame
3 months

Other outcomes

1

Correlation between the diagnostic accuracy and available demographic, technical, and clinical factors

Correlation between the diagnostic accuracy (false-negative/false-positive studies versus truenegative/true-positive) and the available demographic and clinical factors (age, sex, duration of antibiotherapy, blood glucose, CRP, history of renal failure, history of malignancy, history of diabetes, chronic liver disease, time since onset of symptoms, and quality of myocardial suppression) as well as camera system (analog vs digital)

Time frame
3 months
2

Difference in the area under the curve (c-statistic) of the Duke criteria with TEE but excluding FDG-PET, with TEE and FDG-PET, and with FDG-PET but excluding TEE

Time frame
3 months
3

Differences in sensitivity, specificity, and accuracy of FDG-PET with and without respiratory and ECG-gated acquisitions

Time frame
3 months

Sponsors and contacts

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