Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00493831 · ClinicalTrials.gov registry record · NA
Analysis of Lipid Biomarkers of Exposure and Host Response
A NA study, sponsored by University of Nebraska.
- Terminated
- Registry status
- NA
- Development phase
- 24
- Enrollment target
NCT00493831: Clinical Trial NA study, sponsored by University of Nebraska.
NCT00493831 is a NA study that was terminated before completion, run by University of Nebraska. The registered enrollment target is 24 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00493831, a NA study, was terminated before completion, sponsored by University of Nebraska.
- TERMINATED
- Registry status
- NA
- Development phase
- 24 participants
- Enrollment target
Study Summary
The purpose of this prospective, open-label, clinical trial is to establish the feasibility and validity of exhaled breath condensate (EBC) biomarkers for use in studies designed to evaluate harm reduction strategies of smoking. This will be accomplished by measuring selected markers in EBC believed related to the pathogenesis of lung disease before and after a smoking cessation intervention.
Primary Outcome
No data were collected
Interventions
- DRUG nicotine polacrilex, transdermal system or inhaler
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 24 participants |
| Start Date | 2005-08-23 |
| Est. Completion | 2007-09-09 |
| Phase | NA |
Why NCT00493831 stopped before completion
NCT00493831 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 24 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 1 intervention - of which nicotine polacrilex, transdermal system or inhaler is the first listed.
NCT00493831 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00493831 about?
NCT00493831 is a clinical study titled "Analysis of Lipid Biomarkers of Exposure and Host Response". The purpose of this prospective, open-label, clinical trial is to establish the feasibility and validity of exhaled breath condensate (EBC) biomarkers for use in studies designed to evaluate harm reduction strategies of smoking. This will be accomplished by measuring selected markers in EBC believed...
What is the current status of trial NCT00493831?
This trial is currently terminated. It is a NA study. The enrollment target is 24 participants. The study started on 2005-08-23. Estimated completion is 2007-09-09.
What interventions are being tested in trial NCT00493831?
The interventions under investigation include: nicotine polacrilex, transdermal system or inhaler (DRUG).
Who is sponsoring clinical trial NCT00493831?
This trial is sponsored by University of Nebraska, which has 407 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00493831's enrollment target sits among peer trials
24 1736th of 2000 higher than 246 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT02331979 · 24 participants · NA
Improving Bladder Function in SCI by Neuromodulation
- NCT03096197 · 24 participants · NA
Exoskeleton and Spinal Cord Stimulation for SCI
- NCT03223922 · 24 participants · NA
Neurocognitive Functioning With Genu-Sparing Whole Brain Radiation Therapy for Brain Metastases
- NCT03326921 · 24 participants · Phase 1
HA-1 T TCR T Cell Immunotherapy for the Treatment of Patients With Relapsed or Refractory Acute Leukemia After Donor Stem Cell Transplant
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI