Venetoclax and Dexamethasone for Newly Diagnosed Light-Chain Amyloidosis with Translocation (11;14)

Inclusion Criteria: * Biopsy proved treatment-naïve AL amyloidosis * Fluorescence in situ hybridization (FISH) t(11;14) ≥ 10% * dFLC \> 50mg/L Exclusion Criteria: * Co-morbidity of uncontrolled infection * Co-morbidity of other active malignancy * Co-diagnosis of multiple myeloma or waldenstrom macroglobulinemia * Co-morbidity of grade 2 Mobitz II or grade 3 atrioventricular block (expect for those with implanted pacemaker) * Co-morbidity of sustained or recurrent nonsustained ventricular tachycardia * Seropositive for human immunodeficiency virus * Hepatitis B virus (HBV)-DNA \> 1000 copies/mL * Seropositive for hepatitis C (except in the setting of a sustained virologic response) * Systemic treatment with moderate or strong cytochrome P450 3A （CYP3A） inducers, moderate or strong CYP3A inhibitors within 7 days prior to the first dose of study drug * Neutrophil \<1×10E9/L，hemoglobin \< 8g/dL，or platelet \< 100×10E9/L. * Severely compromised hepatic or renal function: alanine transaminase (ALT) or aspertate aminotransferase (AST) \> 2.5 × upper limit of normal (ULN), total bilirubin \> 3 × ULN，eGFR \< 15 mL/min, or receiving renal replacement therapy