This is a multi-center, prospective, observational, US-based drug study. All consecutive Mycosis Fungoides Cutaneous T-cell Lymphoma (MF-CTCL) patients being treated with Valchlor will be invited to enroll in this study.Patients will undergo clinical assessments and receive standard medical care, as determined by the patients' physician, in the real world setting. With the exception of protocol-required patient completed questionnaires for symptoms and QOL, there are no specific or mandated clinical assessments to be performed. Patients will be followed prospectively for a maximum of 2 years
The Valchlor PROVe study is a multi-center, prospective, observational, US-based drug study that longitudinally follows patients with Mycosis Fungoides Cutaneous T-cell Lymphoma (MF-CTCL) who are receiving therapy with Valchlor. Patients will be followed prospectively for a maximum of 2 years from the date of signed informed consent (enrollment) until end of study. Continuation in the study is not contingent on continuation of Valchlor.