Long-term efficacy and safety of 12 months of valganciclovir prophylaxis compared with 3 months after lung transplantation: A single-center, long-term follow-up analysis from a randomized, controlled cytomegalovirus prevention trial
Background The optimal approach to cytomegalovirus (CMV) prevention after lung transplantation is controversial. We recently completed a prospective, randomized, placebo-controlled study of CMV prevention in lung transplantation that demonstrated the short-term efficacy and safety of extending valga...
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Veröffentlicht in: | The Journal of heart and lung transplantation 2011-09, Vol.30 (9), p.990-996 |
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Sprache: | eng |
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Zusammenfassung: | Background The optimal approach to cytomegalovirus (CMV) prevention after lung transplantation is controversial. We recently completed a prospective, randomized, placebo-controlled study of CMV prevention in lung transplantation that demonstrated the short-term efficacy and safety of extending valganciclovir prophylaxis to 12 months vs 3 months of therapy. In the current analysis, we monitored a single-center subset of patients enrolled in the CMV prevention trial to determine if extended prophylaxis conferred a sustained long-term benefit and to assess its hematologic safety. Methods The sub-analysis included 38 randomized patients from Duke University Medical Center. All patients underwent consistent serial serum CMV monitoring and surveillance bronchoscopies. CMV was defined by viremia (≥ 500 CMV DNA copies/ml) or pneumonitis. The safety assessment included a review of all complete blood counts obtained from transplant onward. Results During a mean follow-up of 3.9 years in each group, extended-course compared with short-course prophylaxis provided a sustained protective benefit with a lifetime CMV incidence of 12% vs 55%, respectively (hazard ratio, 0.13; 95% confidence interval, 0.03–0.61; p = 0.009), an effect that persisted after adjustment for clinical risk factors. Patients in each group underwent a comparable number of peripheral blood draws and bronchoscopies. Post-transplant white blood cell, neutrophil, and platelet counts were similar between each treatment group during the course of follow-up. Conclusion Extending valganciclovir prophylaxis to 12 months provides a durable long-term CMV protective benefit compared with short-course therapy, without increasing adverse hematologic effects. |
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ISSN: | 1053-2498 1557-3117 |
DOI: | 10.1016/j.healun.2011.02.017 |