期刊
TRANSPLANTATION
卷 75, 期 7, 页码 1012-1019出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.TP.0000057239.32192.B9
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Background. Preemptive therapy of human cytomegalovirus (HCMV) infections has gained popularity in transplantation centers. However, standardized protocols are not available. In particular, whether a qualitative molecular assay for detection of a late (pp67) HCMV mRNA represents a valuable alternative to quantitative antigenemia remains to be defined. Methods. Overall, 82 heart (HTR) and lung (LTR) transplant recipients were randomized into two arms, where therapy was guided by qualitative pp67 mRNA NASBA (40 patients) or quantitative antigenemia (42 patients). In the NASBA arm, both primary and recurrent infections were treated upon first confirmed positive NASBA result. In the antigenemia arm, primary infections were treated upon first confirmed positive result, while recurrent infections were treated upon cutoff of 100 pp65-positive leukocytes. In both arms, therapy was stopped upon virus disappearance. Primary endpoint was duration of therapy. Results. The number of treated/infected patients was significantly higher in the NASBA arm (25/30 vs. 15/39 P=0.015), as was the number of treated/relapsing patients (5/8 vs. 1/11; P=0.040), whereas the number of HCMV-infected/total number of patients was significantly higher in the antigenemia arm (39/42 vs. 30/40 P=0.026). Thus, in the NASBA arm, although the me than duration of therapy was shorter compared to an tigenemia (17 vs. 21 days, P>0.05), the overall number of days of therapy was significantly higher. No patient developed HCMV disease. Conclusion. pp67 mRNA NASBA can safely replace antigenemia, with some apparent advantages (semiautomation and objectivity of test results) and disadvantages (overtreatment of patients and greater duration of overall treatment).
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