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A phase II trial of cyclophosphamide, lenalidomide and dexamethasone in previously treated patients with AL amyloidosis.


ABSTRACT: Immune-modulatory drugs are active in immunoglobulin light-chain amyloidosis and the addition of alkylating agents can potentiate their action. In this phase II prospective trial we used cyclophosphamide, lenalidomide and dexamethasone in the treatment of 21 patients who were refractory (n=13, 62%) or relapsed (n=8, 38%) after prior treatment including melphalan in all cases, bortezomib in 4 and thalidomide in 6. Median number of cycles administered was 4 (range 2-9 cycles). Severe adverse events were observed in 57% of patients, most common being neutropenia (29%). The hematologic response rate was 62%, with one complete response and 5 very good partial responses. Overall median survival was three years. The achievement of CR/VGPR was associated with a significant survival advantage. The combination of cyclophosphamide, lenalidomide and dexamethasone is an effective treatment for relapsed/refractory AL amyloidosis, and good quality hematologic response should be the aim of treatment in this setting. (clinicaltrials.gov identifier: NCT00607581).

SUBMITTER: Palladini G 

PROVIDER: S-EPMC3659931 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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A phase II trial of cyclophosphamide, lenalidomide and dexamethasone in previously treated patients with AL amyloidosis.

Palladini Giovanni G   Russo Paola P   Milani Paolo P   Foli Andrea A   Lavatelli Francesca F   Nuvolone Mario M   Perlini Stefano S   Merlini Giampaolo G  

Haematologica 20120914 3


Immune-modulatory drugs are active in immunoglobulin light-chain amyloidosis and the addition of alkylating agents can potentiate their action. In this phase II prospective trial we used cyclophosphamide, lenalidomide and dexamethasone in the treatment of 21 patients who were refractory (n=13, 62%) or relapsed (n=8, 38%) after prior treatment including melphalan in all cases, bortezomib in 4 and thalidomide in 6. Median number of cycles administered was 4 (range 2-9 cycles). Severe adverse event  ...[more]

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