Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers
This study plans to learn more about how asthma develops in early childhood. This will help doctors understand how to provide better asthma treatments to improve children s health.

We are studying how asthma develops in early childhood to help doctors provide better asthma treatments for children. If you decide to participate, your child will complete up to five research visits. There will be one visit per year over 4 years. During the visits your child will do breathing tests, and we will swab their nose using one or two swabs. We will give you a nighttime breathing monitor to measure your child's breathing for two nights while they are sleeping. We may take a blood sample at the first and last visits. You will also be sent a secure link to a survey about your child's health.
MoreChild
Age 18 months to 36 months at first research encounter Child has had at least three separate wheezing episodes
Observational
Childrens Hospital Colorado

Andrew Liu, MD
Protocol Number: 21-3116
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