Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Must understand and voluntarily sign an informed consent form.
Must be ≥ 18 years of age at the time of signing the informed consent form.
Must be able to adhere to the study visit schedule and other protocol requirements.
Biopsy-proven T-cell Non-Hodgkin's Lymphoma, either:
* Peripheral T-cell Lymphoma (PTCL) whatever the subtype, or
* Cutaneous T-cell Lymphoma (CTCL), but only the subtype mycosis fungoides.
Relapsed or refractory to previous therapy for T-cell Non-Hodgkin's Lymphoma.
Must have received at least one prior combination chemotherapy regimen. There is no limit on the number of prior therapies.

A Phase II Study of Single-Agent Lenalidomide in Subjects With Relapsed Or Refractory T-Cell Non-Hodgkin's Lymphoma