# Biomarkers in Patients With Respiratory Tract Dysplasia or Lung Cancer, Head and Neck Cancer, or Aerodigestive Tract Cancer and in Normal Volunteers

> **NCT00900419** · — · RECRUITING · sponsor: **University of Colorado, Denver** · enrollment: 700 (estimated)

## Conditions studied

- Esophageal Cancer
- Head and Neck Cancer
- Lung Cancer
- Precancerous Condition

## Interventions

- **OTHER:** immunohistochemistry staining method
- **OTHER:** laboratory biomarker analysis
- **OTHER:** sputum cytology
- **PROCEDURE:** biopsy

## Key facts

- **NCT ID:** NCT00900419
- **Lead sponsor:** University of Colorado, Denver
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2001-05-03
- **Primary completion:** 2027-09-30
- **Final completion:** 2027-09-30
- **Target enrollment:** 700 (ESTIMATED)
- **Last updated:** 2025-09-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00900419

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00900419, "Biomarkers in Patients With Respiratory Tract Dysplasia or Lung Cancer, Head and Neck Cancer, or Aerodigestive Tract Cancer and in Normal Volunteers". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00900419. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*