Scott M. Palmer, MD, MHS; Ajit P. Limaye, MD; Missy Banks, BS; Dianne Gallup, MS; Jeffrey Chapman, MD; E. Clinton Lawrence, MD; Jordan Dunitz, MD; Aaron Milstone, MD; John Reynolds, MD; Gordon L. Yung, MD; Kevin M. Chan, MD; Robert Aris, MD; Edward Garrity, MD; Vincent Valentine, MD; Jonathan McCall, BA; Shein-Chung Chow, PhD; Robert Duane Davis, MD; Robin Avery, MD
Cytomegalovirus (CMV) is the most prevalent opportunistic infection after lung transplantation. Current strategies do not prevent CMV in most at-risk patients.
To determine whether extending prophylaxis with oral valganciclovir from the standard 3 months to 12 months after lung transplantation is efficacious.
Randomized, clinical trial. Patients were randomly assigned by a central automated system to treatment or placebo. Patients and investigators were blinded to treatment status. (ClinicalTrials.gov registration number: NCT00227370)
Multicenter trial involving 11 U.S. lung transplant centers.
136 lung transplant recipients who completed 3 months of valganciclovir prophylaxis.
9 additional months of oral valganciclovir (n = 70) or placebo (n = 66).
The primary end point was freedom from CMV disease (syndrome or tissue-invasive) on an intention-to-treat basis 300 days after randomization. Secondary end points were CMV disease severity, CMV infection, acute rejection, opportunistic infections, ganciclovir resistance, and safety.
CMV disease occurred in 32% of the short-course group versus 4% of the extended-course group (P < 0.001). Significant reductions were observed with CMV infection (64% vs. 10%; P < 0.001) and disease severity (110 000 vs. 3200 copies/mL, P = 0.009) with extended treatment. Rates of acute rejection, opportunistic infections, adverse events, CMV UL97 ganciclovir-resistance mutations, and laboratory abnormalities were similar between groups. During the 6 months after study completion, a low incidence of CMV disease was observed in both groups.
Longer-term effects of extended prophylaxis were not assessed.
In adult lung transplant recipients who have received 3 months of valganciclovir, extending prophylaxis by an additional 9 months significantly reduces CMV infection, disease, and disease severity without increased ganciclovir resistance or toxicity. A beneficial effect with regard to prevention of CMV disease seems to extend at least through 18 months after transplantation.
Palmer SM, Limaye AP, Banks M, et al. Extended Valganciclovir Prophylaxis to Prevent Cytomegalovirus After Lung Transplantation: A Randomized, Controlled Trial. Ann Intern Med. 2010;152:761–769. doi: https://doi.org/10.7326/0003-4819-152-12-201006150-00003
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Published: Ann Intern Med. 2010;152(12):761-769.
Hematology/Oncology, Infectious Disease, Prevention/Screening, Pulmonary/Critical Care.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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