Trial population
cancer, hematological cancer
CANCER, DISEASES
A total of 136 patients meeting eligibility criteria were randomized (Fig. Group 1 (cancer): patients with pre-existing or concurrent hematological cancer and/or receiving active cancer therapy for any cancer (including chemotherapy, radiotherapy and surgical treatments) within the past 24 monthsGroup 2 (immunosuppression): patients experiencing chronic immunosuppression, either pharmacological or due to underlying diseases not meeting group 1 criteriaGroup 3 (lymphopenia/elevated Group 4 (age >75 years): patients aged >75 years and not meeting group 1, 2 or 3 criteria