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Recurrent Wheezing clinical trials

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NCT ID: NCT01545245 Completed - Atopic Asthma Clinical Trials

Effects of Preventive Treatment for Respiratory Syncytial (RS) Virus Infection During Infancy on Later Atopic Asthma in Preterm Infants

Start date: July 2010
Phase: N/A
Study type: Observational

The primary objective of the study is to determine whether the incidence of atopic asthma after three years old may be suppressed in the children who were born as preterm infants and prophylactically treated with palivizumab for respiratory syncytial (RS) virus infections during the infancy. The secondary objective is to determine whether the incidence of recurrent wheezing after three years old may be suppressed in the children who were born as preterm infants and prophylactically treated with palivizumab for RS virus infections during the infancy.

NCT ID: NCT01072552 Completed - Asthma Clinical Trials

Effect of Palivizumab on Later Recurrent Wheezing in Preterm Infants

Start date: March 2008
Phase: N/A
Study type: Observational

The hypothesis of the present study is that the prophylaxis with palivizumab to prevent the severe RS virus infection during the infancy among preterm infants may reduce the risk of subsequent recurrent wheezing in childhood. The infants born between July 1st and December 31st in 2007 with the gestational age between 33 and 35 weeks were enrolled into the study at the end of RS virus infection season, April 2008. The infants were unintentionally divided into two groups, either palivizumab treated or untreated group at the enrollment, because the timing for palivizumab prophylaxis were already ended. The study infants will be followed up until the age of 3 with recording the incidence of either parent reported or physician diagnosed recurrent wheezing. The difference of the incidence of the recurrent wheezing between the groups will be analyzed with Kaplan-Meier method.