Cancer Institute A national cancer institute
designated cancer center

Diagnosis and Treatment of Chronic Lymphocytic Leukemia (CLL)

Chronic lymphocytic leukemia (CLL) is a cancer of the blood in which too many lymphocytes, a type of white blood cell, are produced by the bone marrow and by organs of the lymph system.

Normally, the lymphocytes fight infection by making antibodies that attack harmful elements. But, in CLL, the cells are immature and overabundant. They crowd out other blood cells, and may collect in the blood, bone marrow, and lymph tissue.

CLL is the second most common type of leukemia in adults, after AML. It often occurs during or after middle age; it rarely occurs in children.

Stanford Expertise

Patients with leukemia are evaluated and treated in Stanford's Hematology and Bone Marrow Transplant clinics by a team of world-renowned faculty. We offer state-of-the-art chemotherapy protocols for leukemia and Stanford hematologists have helped develop the National Comprehensive Cancer Network (NCCN) guidelines for the management of hematologic malignancies. Our goal is to improve the survival and quality of life of patients.

Treatment With Chemotherapy & Radiation

Your exact treatment plan will depend on the specifics of your disease. Cancer Center physicians have access to the most advanced radiation treatments, and chemotherapy combinations which are delivered in our new state-of-the-art infusion center.

Blood  and Bone Marrow Transplantation

Blood and Bone Marrow Transplantation (BMT) is a treatment option for a variety of malignant and non-malignant diseases. The Blood and Bone Marrow Transplant Program at Stanford is committed to outstanding clinical care and research.  This commitment, in conjunction with the numerous research resources and comprehensive support services offered at Stanford, assures the best possible outcome for our patients and their families. 

Clinical Trials

Cancer Center physicians are active in developing and testing new therapies for the treatment of CLL, including:

When appropriate, patients are invited to participate in studies to investigate the newest treatments as well as large-scale clinical trials for more established treatments.

Stanford Medicine Resources:

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