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NCT01723696 · ClinicalTrials.gov registry record · Phase 2

Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function

A Phase 2 study, sponsored by Oregon Health and Science University.

Completed
Registry status
Phase 2
Development phase
252
Enrollment target

NCT01723696: Completed Phase 2 study, sponsored by Oregon Health and Science University.

NCT01723696 is a Phase 2 study that has completed, run by Oregon Health and Science University. The registered enrollment target is 252 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (89% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01723696, a Phase 2 study, has completed, sponsored by Oregon Health and Science University.

COMPLETED
Registry status
Phase 2
Development phase
252 participants
Enrollment target

Study Summary

Vitamin C supplementation (500 mg per day) given to pregnant women who can not quit smoking will improve the pulmonary function tests in their offspring measured at 3 months of age.

Primary Outcome

The primary outcome was the comparison of infant FEFs at 3 months of age obtained using the raised volume rapid thoracic compression (RVRTC) technique in offspring of pregnant smokers randomized to vitamin C versus placebo. The specific primary outcome parameter was the measurement of FEF at 75% of the expired volume (FEF75)

Interventions

  • DIETARY_SUPPLEMENT Vitamin C +prenatal vitamin
  • DIETARY_SUPPLEMENT Placebo tablet+prenatal vitamin

Trial Details

FieldValue
Enrollment Target 252 participants
Start Date 2012-12
Est. Completion 2017-12
Phase Phase 2

What the finished NCT01723696 record still lists

NCT01723696 is an interventional study that assigns participants to a tested intervention. The registered 252 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (89% higher).

The record links to 0 conditions, and to 2 interventions - of which Vitamin C +prenatal vitamin is the first listed.

NCT01723696 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01723696 about?

NCT01723696 is a clinical study titled "Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function". Vitamin C supplementation (500 mg per day) given to pregnant women who can not quit smoking will improve the pulmonary function tests in their offspring measured at 3 months of age.

What is the current status of trial NCT01723696?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 252 participants. The study started on 2012-12. Estimated completion is 2017-12.

What interventions are being tested in trial NCT01723696?

The interventions under investigation include: Vitamin C +prenatal vitamin (DIETARY_SUPPLEMENT), Placebo tablet+prenatal vitamin (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT01723696?

This trial is sponsored by Oregon Health and Science University, which has 546 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01723696's enrollment target sits among peer trials

252 220th of 2000 higher than 1,779 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01723696, the US trial registry maintained by the National Library of Medicine. NCT01723696 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.