Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

≥ 18 years old.
Diagnosed with relapsed or refractory mantle cell lymphoma verified by a tissue biopsy.
Treated with monotherapy or combination of lenalidomide.
Not candidate for any of the therapeutic options approved until that date for this disease.
Not candidate or unable to be included in any clinical trial due to availability or geographical difficulty.
Registered in the RRMCL spanish program.

ECOG \> 2.
Patients with uncontrolled comorbidities.
Blastoid variant.
Central nervous system tumor infiltration.
HIV, HBV and/or HCV active infection.
Radiotherapy concomitant treatment or that have received radiotherapy in the previous 30 days to the beginning of the first cycle of lenalidomide.
Diagnosed with other active solid tumor except for basal cell carcinoma skin cancer.
Patients that haven´t completed at least one complete cycle of the treatment.

Lenalidomide Observational Study in Patients With Mantle Lymphoma in Relapse/Refraction. Spanish Programme RRMCL Results.