{"doc_desc":{"title":"Congenital and postnatal CMV infection in the era of WHO PMTCT Option B+ in rural South Africa","idno":"DDI.AHRI.CMV.2022.v2","producers":[{"name":"Africa Health Research Institute","abbreviation":"AHRI","affiliation":"","role":""}]},"study_desc":{"title_statement":{"idno":"AHRI.CMV.2022.v2","title":"Congenital and postnatal CMV infection in the era of WHO PMTCT Option B+ in rural South Africa"},"authoring_entity":[{"name":"Prof Deenan Pillay","affiliation":"Africa Health Research Institute (AHRI)"},{"name":"Suresh B. Boppana","affiliation":"University of Alabama, USA"},{"name":"Karen Fowler","affiliation":"University of Alabama, USA"},{"name":"Prakash Jeena","affiliation":"UKZN, South Africa"},{"name":"Benn Sartorius","affiliation":"UKZN, South Africa"},{"name":"Nigel Klein","affiliation":"AHRI, South Africa"},{"name":"Olivier Koole","affiliation":"AHRI, South Africa"}],"oth_id":[{"name":"Osee Behuhuma","affiliation":"Africa Health Research Institute (AHRI)","email":"","role":"Clinical oversight"},{"name":"Anita Edwards","affiliation":"Africa Health Research Institute (AHRI)","email":"","role":"Audiological testing consulting"},{"name":"Theresa Smit","affiliation":"Africa Health Research Institute (AHRI)","email":"","role":"Lab oversight"}],"production_statement":{"producers":[{"name":"Africa Health Research Institute","affiliation":"","role":""}],"funding_agencies":[{"name":"National Institutes of Health, USA","abbreviation":"NIH","role":"Funder"}],"grant_no":"1R21HD083011-01"},"version_statement":{"version":"V2.0.0"},"study_info":{"keywords":[{"keyword":"1.4 Congenital CMV infection, postnatal CMV infection, HIV exposed infants","vocab":"Africa Health Research Institute","uri":"www.ahri.org"}],"topics":[{"topic":"MeSH subject headings Clinical; congenital CMV (cCMV)","vocab":"Africa Health Research Institute","uri":"AHRI"}],"abstract":"Over a period of 2 years we screened 2,616 newborns at Hlabisa Hospital, using saliva swabs (for CMV PCR) to identify 100 infants with congenital CMV infection. Infants with clinically apparent or symptomatic congenital CMV infection at birth were referred for further clinical management including potential antiviral therapy. Infants without clinical findings at birth (asymptomatic congenital CMV infection) were followed to monitor hearing function and growth development. Outcomes included anthropometric measures, development milestones, and hearing assessment, which were assessed at Hlabisa Hospital at 3-months intervals during the first 1 year (primary outcome). \n\nWe also followed up 300 infants presenting for postnatal follow-up at Somkhele Clinic with absence of CMV infection at birth for a year (at 6, 14 weeks, 6 months and 1 year), to determine the occurrence, risk factors and outcomes of postnatal CMV infection. \n\nThe study provides reliable data of the birth prevalence of congenital CMV infection in HIV-exposed and HIV-unexposed new-borns. In addition, the project will yield preliminary estimates on the frequency and timing of acquisition of postnatal CMV infection during infancy and begin to examine the impact of CMV infection acquired in infancy on childhood morbidity. Exploring the impact of HIV infection on CMV infection of infants and CMV-associated hearing loss as well as overall childhood morbidity will inform the relevance of CMV infections in populations with high maternal HIV prevalence, as well as the importance of developing strategies to prevent or reduce the disease burden associated with CMV infection.\n\n Purpose of the Study\n \nThe purpose of this study is to determine the prevalence, risk factors and outcomes of congenital and postnatal CMV infection among infants born in a public sector hospital in rural KwaZulu-Natal between 2016 and 2018. \nWe hypothesize that maternal HIV infection increases the risk of intrauterine CMV transmission and predisposes CMV-infected infants to adverse outcomes even in the era of option B+. \n\nStudy specific objectives: \n\u00b7 To determine the birth and postnatal prevalence of congenital CMV infection among HIV-exposed and HIV-unexposed new-borns. \n\u00b7 To examine whether maternal HIV infection or other maternal factors predict in utero CMV transmission.\n\u00b7 To determine the prevalence of new-born CMV disease and CMV-associated sequelae in HIV-exposed and unexposed new-borns.\n\u00b7 To examine the timing of postnatal CMV acquisition in HIV-exposed and unexposed new-borns.\n\u00b7 To explore the predictors of early (CMV negative at birth and positive at six or 14 weeks) versus delayed postnatal CMV infection (CMV negative at birth, six and 14 weeks, and positive at one year).\n\u00b7 To assess the impact of CMV infection (both congenital and postnatal) on growth, neuro and immunological development, and overall childhood morbidity and mortality at two years of age.\n\u00b7 To describe whole genome sequences from KwaZulu-Natal isolates and to look for an association between viral genetics and/or tissue compartmentalization, and congenital CMV disease, and CMV viral load.","coll_dates":[{"start":"2016-01-04","end":"2019-12-04","cycle":""}],"nation":[{"name":"South Africa","abbreviation":"ZA"}],"geog_coverage":"Demographic surveillance area of the Africa Health Research Institute; KwaZulu-Natal, uMkhanyakude district.","analysis_unit":"Single specimen; study participant","universe":"From 2016 to 2019 we screened 2,616 new-borns at Hlabisa Hospital, using saliva swabs (for CMV PCR) to identify 100 infants with congenital CMV infection. Infants with clinically apparent or symptomatic congenital CMV infection at birth were referred for further clinical management including potential antiviral therapy. Infants without clinical findings at birth (asymptomatic congenital CMV infection) were followed to monitor hearing function and growth development.","data_kind":"The type of data included in the file (The following data sources used): Chart records (mother medical chart, infant medical chart for health histort and health card for anthropometry). Interviews. Biological/laboratory tests; and Clinical tests - audiometry (tympanometry followed by Otoaccoustic Emissions (OAE) testing for screening, infants with failed OAE will be referred for diagnostic testing - Auditory evoked Brainstem Responses (ABR) at Albert Luthuli Central Hospital. This study draws on quantitative data sources. Most exposure and all outcome data will be measured using objective instruments."},"method":{"data_collection":{"sampling_procedure":"Approximately 4800 new-borns at Hlabisa Hospital expected to be screened, using saliva swabs (for CMV PCR) to identify approximately 100 infants with congenital CMV infection. Infants with clinically apparent or symptomatic congenital CMV infection at birth who were referred for further clinical management including potential antiviral therapy. Infants without clinical findings at birth (asymptomatic congenital CMV infection) were followed to monitor hearing and growth and development."}},"data_access":{"dataset_use":{"cit_req":"Pillay, D., Boppana, S., Fowler, K., Jeena, P., Sartorius, B., Klein, N., & Koole, O. R. (2022). Congenital and postnatal CMV infection in the era of WHO PMTCT Option B+ in rural South Africa [Data set]. Africa Health Research Institute. https://doi.org/10.23664/AHRI.CMV.2022","conditions":"The representative of the Receiving Organization agrees to comply with the following conditions:\n\n1. Access to the restricted data will be limited to the Lead Researcher and other members of the research team listed in this request.\n2. Copies of the restricted data or any data created on the basis of the original data will not be copied or made available to anyone other than those mentioned in this Data Access Agreement, unless formally authorized by the Data Archive.\n3. The data will only be processed for the stated statistical and research purpose. They will be used for solely for reporting of aggregated information, and not for investigation of specific individuals or organizations. Data will not in any way be used for any administrative, proprietary or law enforcement purposes. \n4. 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