Institut Paoli Calmettes Chronic Lymphatic Leukemia Database

This study is building a clinical database at the Institut Paoli-Calmettes cancer center in France to collect information on patients with chronic lymphocytic leukemia (CLL) — a slow-growing type of blood cancer affecting white blood cells — to improve understanding of how the disease progresses and responds to treatment. **You may be eligible if...** - You have been diagnosed with chronic lymphocytic leukemia (CLL) **You may NOT be eligible if...** - Your diagnosis does not clearly meet standard criteria for CLL; specifically, a Matutes score below 4 suggests a different type of blood cancer and would make you ineligible Talk to your doctor to see if this trial is right for you.