Real-world experience of Quantiferon-CMV directed prophylaxis in lung transplant recipients. 2022

Bradley J Gardiner, and Sue J Lee, and Allisa N Robertson, and Yvonne Cristiano, and Gregory I Snell, and C Orla Morrissey, and Anton Y Peleg, and Glen P Westall
Department of Infectious Disease, Alfred Health and Central Clinical School, Monash University, Melbourne, Victoria, Australia.

The Quantiferon-Cytomegalovirus (QF-CMV) assay was introduced to predict CMV infection and inform prophylaxis duration in our lung transplant recipients (LTR) from 2012. The aims of this retrospective cohort study were to review our QF-CMV experience, understand factors associated with positive results and further explore its predictive utility. LTR with QF-CMV testing performed at 5 months post-transplant were included. Patients receiving QF-directed prophylaxis (5 or 11 months) were compared to those receiving our prior standard of care (5 months). Outcomes were CMV infection >1,000 IU/mL in blood and/or bronchoalveolar lavage fluid. Factors associated with positive QF-CMV results were identified. Patients were compared based on serostatus, QF-CMV results and prophylaxis duration. Our cohort included 263 LTR (59 D+/R-, 204 R+). QF-directed prophylaxis was used in 195 of 263 (74%) and was associated with reduced CMV infection (84/195, 43% vs 41/68, 60%, p < .001). Patients receiving extended prophylaxis experienced less CMV if negative and/or indeterminate (43% vs 70%, p < .01) or positive (10% vs 51%, p < .01). Only 5 of 59 (8%) D+/R- patients were QF-CMV positive compared to 155 of 204 (76%) R+ patients (adjusted OR 0.03, 0.01-0.07, p < .001). After controlling for prophylaxis duration, only D+/R- serostatus remained independently associated with CMV infection (adjusted HR 4.90, 95% CI 2.68-9.00, p < .0001). QF-CMV results were strongly correlated with serostatus, with D+/R- patients unlikely to test positive while receiving prophylaxis. Extended prophylaxis was associated with delayed onset, reduced frequency and severity of CMV infection across all subgroups. After accounting for serostatus, the incremental predictive value of QF-CMV in this cohort was limited.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D003586 Cytomegalovirus Infections Infection with CYTOMEGALOVIRUS, characterized by enlarged cells bearing intranuclear inclusions. Infection may be in almost any organ, but the salivary glands are the most common site in children, as are the lungs in adults. CMV Inclusion,CMV Inclusions,Congenital CMV Infection,Congenital Cytomegalovirus Infection,Cytomegalic Inclusion Disease,Cytomegalovirus Colitis,Cytomegalovirus Inclusion,Cytomegalovirus Inclusion Disease,Cytomegalovirus Inclusions,Inclusion Disease,Perinatal CMV Infection,Perinatal Cytomegalovirus Infection,Renal Tubular Cytomegalovirus Inclusion,Renal Tubular Cytomegalovirus Inclusions,Salivary Gland Virus Disease,Severe Cytomegalovirus Infection,Severe Cytomegalovirus Infections,Infections, Cytomegalovirus,CMV Infection, Congenital,CMV Infection, Perinatal,Colitis, Cytomegalovirus,Congenital CMV Infections,Congenital Cytomegalovirus Infections,Cytomegalic Inclusion Diseases,Cytomegalovirus Colitides,Cytomegalovirus Inclusion Diseases,Cytomegalovirus Infection,Cytomegalovirus Infection, Congenital,Cytomegalovirus Infection, Perinatal,Cytomegalovirus Infection, Severe,Cytomegalovirus Infections, Severe,Disease, Cytomegalic Inclusion,Disease, Cytomegalovirus Inclusion,Diseases, Cytomegalovirus Inclusion,Inclusion Disease, Cytomegalic,Inclusion Disease, Cytomegalovirus,Inclusion Diseases,Inclusion Diseases, Cytomegalovirus,Inclusion, CMV,Inclusion, Cytomegalovirus,Infection, Congenital CMV,Infection, Congenital Cytomegalovirus,Infection, Cytomegalovirus,Infection, Perinatal CMV,Infection, Perinatal Cytomegalovirus,Infection, Severe Cytomegalovirus,Perinatal CMV Infections,Perinatal Cytomegalovirus Infections
D003587 Cytomegalovirus A genus of the family HERPESVIRIDAE, subfamily BETAHERPESVIRINAE, infecting the salivary glands, liver, spleen, lungs, eyes, and other organs, in which they produce characteristically enlarged cells with intranuclear inclusions. Infection with Cytomegalovirus is also seen as an opportunistic infection in AIDS. Herpesvirus 5, Human,Human Herpesvirus 5,Salivary Gland Viruses,HHV 5,Herpesvirus 5 (beta), Human,Cytomegaloviruses,Salivary Gland Virus,Virus, Salivary Gland,Viruses, Salivary Gland
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077562 Valganciclovir A ganciclovir prodrug and antiviral agent that is used to treat CYTOMEGALOVIRUS RETINITIS in patients with AIDS, and for the prevention of CYTOMEGALOVIRUS INFECTIONS in organ transplant recipients who have received an organ from a CMV-positive donor. Ganciclovir L-valyl Ester,Valcyt,Valcyte,Valganciclovir Hydrochloride,Ganciclovir L valyl Ester
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D066027 Transplant Recipients Individuals receiving tissues or organs transferred from another individual of the same or different species, or from within the same individual. Recipient, Transplant,Recipients, Transplant,Transplant Recipient

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