Hearing Loss Clinical Trial
Official title:
The International Cohort Study of Children Born to Women Infected With Zika Virus During Pregnancy
The International Cohort Study of Children Born to Women Infected with Zika Virus (ZIKV) During Pregnancy study is a prospective, observational, international cohort study of children previously enrolled in the ZIP study or other ZIP 2.0 Protocol Team approved ZIKV-cohort study that will continue the longitudinal follow-up of children born with documented confirmed or presumptive in-utero ZIKV exposure ("ZIKV-exposed" cohort) and children born without documented confirmed or presumptive in-utero ZIKV exposure, matched by site and birth sex ("ZIKV-unexposed" cohort). Follow-up evaluations and assessments will allow for the determination and comparison of long-term neurodevelopmental outcomes among in utero ZIKV-exposed and ZIKV-unexposed children. Each participant will be followed for about 2 years, beginning at approximately 18 months through 42 months of age.
The International Prospective Observational Cohort Study of Zika in Infants and Pregnancy (ZIP) study has leveraged 10 international sites to follow mother-infant dyads prospectively in pregnancy and postpartum to determine the incidence and outcomes of Zika Virus (ZIKV) infection. The ZIP study has collected demographic, physical, environmental, laboratory, and delivery outcome data in relation to mother-infant pairs with and without ZIKV infection. Infants born to women enrolled in the ZIP study are followed for 1 year and undergo regular physical and neurological assessments to identify clinical or developmental outcomes. The International Cohort Study of Children Born to Women Infected with Zika Virus During Pregnancy (ZIP 2.0) study will enroll children who themselves or whose biological mothers were previously enrolled in the ZIP study and other ZIP 2.0 Protocol Team-approved studies. Assessments include growth, neurodevelopmental, audiologic, ophthalmologic, and other clinical outcomes. Evaluations will occur about every 6 months over about a 2-year period beginning at approximately 18 months of age. Follow-up evaluations and assessments will allow for the determination and comparison of long-term neurodevelopmental outcomes among in utero ZIKV-exposed and ZIKV-unexposed children. After parent(s)/legal guardian(s) permission is obtained for the child's participation in ZIP 2.0, several means to contact them will be requested. Parents will be asked whether or not messages can be left for each of the phone numbers provided and if messages can contain information regarding the nature of the study. We expect to compare approximately 200 children with documented confirmed or presumptive in-utero ZIKV exposure and 200 controls matched by site and birth sex without documented confirmed or presumptive in-utero ZIKV exposure at age approximately 18 months, and at age 42 months. The primary objective is to determine the long-term neurodevelopmental outcomes among children born with documented confirmed or presumptive in-utero ZIKV exposure. The secondary objectives are to compare the long-term effects (e.g., on growth, vision, hearing and neurodevelopment) of in-utero ZIKV-exposure compared to unexposed children. ;
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