| NCT Number | NCT01821456 |
| Lead Sponsor | University Hospital of Cologne |
| Conditions | Hematological Malignancies, Cancer, Chemotherapy, Neutropenia, Immunosuppression |
| Enrollment | 100,000 participants |
| Start Date | 1995-01 |
| Primary Completion | 2050-12 (estimated) |
| Study Completion | 2050-12 (estimated) |
| Updated on ClinicalTrials.gov | 2013-04-01 |