title: The risk of early and late CMV DNAemia associated with Campath use in stem cell transplant recipients.
abstract: The risks associated with in vivo and ex vivo use of Campath-1H and -1G in a cohort of 206 stem cell transplant recipients for human CMV (HCMV) DNAemia have been quantified. DNAemia showed a biphasic incidence pattern with an inflexion at day 60. The first phase had a linear risk rate for HCMV DNAemia of 0.3% per day, whereas the second phase had a substantially lower risk rate of 0.058% per day. In multivariable analyses, risk factors for early DNAemia were HCMV serostatus, radiotherapy-based conditioning and CD34 stem cell dose, with the use of in vivo Campath-1H having the most significant risk (hazards ratio=3.68; 95% CI=2.02-6.72; P<0.001). Ex vivo use of Campath was not associated with an increased risk for HCMV DNAemia. Patients receiving either in vivo Campath-1H or -1G experienced HCMV DNAemia earlier (27 and 33 days, respectively) compared with patients receiving no Campath (time to DNAemia, 51 days; P=0.0006). Multivariable analysis of risk factors for HCMV DNAemia occurring beyond 100 days after transplant were older age, acute GVHD>grade II and a lower CD34 stem cell dose, whereas Campath-1H use was not associated with late HCMV DNAemia.
authors: Department of Infection, Centre for Virology, UCL, London, UK.
authors: H C
authors: HC
authors: Buyck
authors: H G F
authors: HG
authors: Prentice
authors: P D
authors: PD
authors: Griffiths
authors: V C
authors: VC
authors: Emery
mesh_terms: D000293:Adolescent; D000328:Adult; D000074323:Alemtuzumab; D000911:Antibodies, Monoclonal / Q000009:adverse effects*; D061067:Antibodies, Monoclonal, Humanized; D000912:Antibodies, Neoplasm / Q000009:adverse effects*; D000970:Antineoplastic Agents; D002648:Child; D002675:Child, Preschool; D015331:Cohort Studies; D003587:Cytomegalovirus / Q000302:isolation & purification*; D003586:Cytomegalovirus Infections / Q000139:chemically induced*; D004279:DNA, Viral / Q000097:blood*; D005260:Female; D018380:Hematopoietic Stem Cell Transplantation / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D066298:In Vitro Techniques; D008875:Middle Aged; D015999:Multivariate Analysis; D012189:Retrospective Studies; D012306:Risk; D012307:Risk Factors; D013997:Time Factors; D055815:Young Adult
chemical_list: D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D000912:Antibodies, Neoplasm; D000970:Antineoplastic Agents; D004279:DNA, Viral; D000074323:Alemtuzumab