CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 242 enrolled
Drug / intervention
No active interventionother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03203603
NCT03203603N/ACompleted
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Vitamin C to Decrease the Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP): Follow-up of a Randomized Trial

Oregon Health and Science University·observational·Posted Jun 29, 2017·Updated Mar 25, 2025

In Brief

An observational study evaluating No active intervention for Asthma and 3 related conditions. Completed, enrolled 242 participants across 2 sites.

Detailed Summary

The overall aims of this protocol are to determine whether prenatal supplementation with vitamin C to pregnant smokers can improve pulmonary function and decrease wheeze at 5 years of age in their offspring. This is a continuation of the VCSIP trial, to follow the offspring through 5 years of age. The hypothesis for this protocol is an extension of the VCSIP trial that supplemental vitamin C in pregnant smokers can significantly improve their children's PFTs and decrease the incidence of wheeze.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsAsthma, Pulmonary Function, Wheezing, In Utero Nicotine
CountriesUnited States
CollaboratorsIndiana University, National Institutes of Health (NIH)

Timeline

N/ACompletedFinished
2017201820192020202120222023202420252026
First PostedJun 29, 2017
Enrollment StartMar 27, 2017
Primary CompletionDec 31, 2021
Study CompletionDec 31, 2024
TodayJul 2, 2026
Enrollment to primary: 4.8 yearsPosted 9.0 years ago

Interventions

No active interventionother

This is a follow-up of a randomized trial. No active intervention is being given in the follow-up.