High rate of secondary viral and bacterial infections in patients undergoing allogeneic bone marrow mini-transplantation
Adult
Immunosuppression Therapy
Male
Transplantation Chimera
Transplantation Conditioning
Graft vs Host Disease
Middle Aged
3. Good health
03 medical and health sciences
0302 clinical medicine
Neoplasms
Cytomegalovirus Infections
Humans
Female
Gram-Negative Bacterial Infections
Gram-Positive Bacterial Infections
Bone Marrow Transplantation
DOI:
10.1038/sj.bmt.1702509
Publication Date:
2002-09-04T15:45:47Z
AUTHORS (13)
ABSTRACT
New approaches using nonmyeloablative-conditioning regimens have been developed to cause minimal procedure-related toxicity. Such novel therapeutic options are being explored with good preliminary results concerning feasibility and engraftment. However many aspects remain under-evaluated, and few data are available about viral and nonviral infections after these highly immunosuppressive regimens. We present our preliminary data on 21 patients receiving a highly immunosuppressive conditioning strategy, focusing on early infectious complications. Early viral infections before day 45, especially CMV, occurred at a high rate (65%). Furthermore, 33% of patients presented with late bacterial infections (predominately gram negative) although they were not neutropenic compared to conventional conditioning regimens. Although there is presently real interest in these new conditioning regimens which result in reduced immediate transplant-related mortality, it is important that investigators be aware of these pitfalls which may secondarily increase transplant toxicity. Further studies are needed to confirm these findings.
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