AL Amyloidosis
Conditions
Keywords
Amyloidosis, Prognosis, [18F]Florbetaben
Brief summary
This will be a systematic, combined, prospective assessment of the novel echographic, CMR, and PET imaging tools in newly-diagnosed patients with cardiac AL amyloidosis at baseline and after treatment.
Interventions
Patients will undergo on the same day: * 18F-florbetaben PET-CT scans. The dose to be injected intravenously (6 second/mL) will be 370 MBq (for a 70 Kg patient); * standard assessment of clonal and organ disease; * echocardiography; * cardiac magnetic resonance. All the patients will undergo those evaluations at baseline and 6 months after treatment initiation.
Sponsors
Study design
Eligibility
Inclusion criteria
* age more than 18; * histological diagnosis of AL amyloidosis; * measurable cardiac involvement as per current response criteria (i.e. NT-proBNP \>650 ng/L); * measurable hematologic disease (dFLC \>20 mg/L); * adequate renal function (eGFR \>30 mL/min) in order to be safely administered gadolinium; * absence of atrial fibrillation with uncontrolled heart rate; * absence of implantable cardiac devices; * absence of pulmonary amyloidosis histologically documented; * plan to start anti-plasma cell chemotherapy; * plan to assess response at the Pavia center after 6 months; * have given written informed consent to participate.
Exclusion criteria
* non-AL amyloidosis; * NYHA class IV; * PS-ECOG \>3; * severe allergy to paramagnetic tracer; * severe claustrophobia; * pregnant or nursing women;
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Evaluation of the prognostic relevance of advanced imaging variables. | 12 months after diagnosis | \- for CMR: T1, T2, ECV, indexed volumes, mass, ejection fraction (EF); |
| Evaluation of advanced imaging variables in response assessment. | 6 months after initiation of chemotherapy targeting the amyloid plasma cell clone | The same variables considered at baseline will be measured 6 months after initiation of chemotherapy targeting the amyloid plasma cell clone. Changes in these variables compared to baseline will be considered. |
Countries
Italy