Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up
Recruiting
Observational Study
Asthma
Pulmonary Function
Wheezing
In Utero Nicotine
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 6 – 16
- Sex
- Any
- Study type
- Observational
- Participants needed
- 225 (estimated)
- Sponsor
- Oregon Health and Science University · Other
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About This Trial
The overall aims of this protocol are to determine whether prenatal supplementation with vitamin C to pregnant smokers can improve pulmonary function at 10 years of age in their offspring. This is an additional continuation of the Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) trial, to follow the offspring through 10 years of age. The hypothesis for this pro…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Women and their offspring randomized to vitamin C versus placebo during pregnancy as well as pregnant nonsmokers and their offspring enrolled as the reference group in the original VCSIP study
Exclusion Criteria:
* participants who specifically withdraw consent
Contacts