Benefits of Individual Physical Activity Intervention on Health-related Quality of Life in Participants With Chronic Lymphocytic Leukemia

Inclusion Criteria: * Participants newly treated with ibrutinib for first line or relapsed CLL (treatment is being initiated or has been initiated within the last 8 days as a maximum) * Participants agreed to follow the individual physical activity intervention (IPAI) * Participants using or having access to a compatible and appropriate electronic device such as smartphone, laptop or tablet * Participants with Internet access at home and email address * Participants agreed to wear a connected watch 24 hours a day for all the duration of the study Exclusion Criteria: * Pregnant participants or planning to become pregnant while enrolled in this study * Participants with inability or deemed unsafe to practice physical activity * Participants who have received an investigational drug (including investigational vaccines) or used an invasive investigational medical device within 90 days before the inclusion visit * Participants who are currently involved in an interventional study * Participants with probable difficulties in using the digital tool autonomously