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NCT00067899 · ClinicalTrials.gov registry record · Phase 2
Oxidative Stress and Vitamin E Requirements
A Phase 2 study of Smoking, sponsored by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
- Completed
- Registry status
- Phase 2
- Development phase
- 99
- Enrollment target
- 1
- Study location
NCT00067899: Completed Phase 2 study of Smoking, sponsored by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
NCT00067899 is a Phase 2 study of Smoking that has completed, run by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). The registered enrollment target is 99 participants, below the 454-participant average among 123 other Smoking trials with a reported enrollment target (78% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00067899, a Phase 2 study of Smoking, has completed, sponsored by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 99 participants
- Enrollment target
- 1
- Study location
Study Summary
The purpose of this study is to determine if oxidative stress derived from cigarette smoking increases vitamin E requirements. The study will also assess the role of vitamin C in modulating vitamin E requirements. Vitamin E requirements will be assessed by measuring vitamin E in plasma as well as by measuring the excreted vitamin E metabolite in the urine.
Conditions Studied
Interventions
- DRUG Vitamin E with and without Vitamin C
Study Locations (1)
Oregon
- Linus Pauling Institute - Oregon State University - Corvallis
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 99 participants |
| Start Date | 2000-09 |
| Est. Completion | 2005-12 |
| Phase | Phase 2 |
What the finished NCT00067899 record still lists
NCT00067899 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 99 participants, a relatively small participant target, below the 454-participant average among 123 other Smoking trials with a reported enrollment target (78% lower).
The record links to 1 condition, with Smoking appearing as the primary indexed condition, and to 1 intervention - of which Vitamin E with and without Vitamin C is the first listed.
NCT00067899 reports a single indexed study location in Oregon.
Frequently Asked Questions
What is clinical trial NCT00067899 about?
NCT00067899 is a clinical study titled "Oxidative Stress and Vitamin E Requirements". The purpose of this study is to determine if oxidative stress derived from cigarette smoking increases vitamin E requirements. The study will also assess the role of vitamin C in modulating vitamin E requirements. Vitamin E requirements will be assessed by measuring vitamin E in plasma as well as by...
What is the current status of trial NCT00067899?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 99 participants. The study started on 2000-09. Estimated completion is 2005-12.
What conditions does trial NCT00067899 study?
This clinical trial studies the following conditions: Smoking.
What interventions are being tested in trial NCT00067899?
The interventions under investigation include: Vitamin E with and without Vitamin C (DRUG).
Who is sponsoring clinical trial NCT00067899?
This trial is sponsored by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), which has 490 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00067899 being conducted?
This trial has 1 study location across Oregon. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Smoking
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00067899's enrollment target sits among peer trials
99 77th of 123 higher than 46 of 123 other Smoking trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Smoking 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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