# Circulating Tumor DNA Methylation Test to Differentiate Benign and Malignant Pulmonary Nodules

> **NCT03181490** · — · COMPLETED · sponsor: **The First Affiliated Hospital of Guangzhou Medical University** · enrollment: 1490 (actual)

## Conditions studied

- Pulmonary Nodule, Solitary

## Interventions

- **DIAGNOSTIC_TEST:** Circulating Tumor DNA Methylation Test

## Key facts

- **NCT ID:** NCT03181490
- **Lead sponsor:** The First Affiliated Hospital of Guangzhou Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-06-08
- **Primary completion:** 2019-02-28
- **Final completion:** 2019-05-31
- **Target enrollment:** 1490 (ACTUAL)
- **Last updated:** 2020-04-02

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03181490

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03181490, "Circulating Tumor DNA Methylation Test to Differentiate Benign and Malignant Pulmonary Nodules". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT03181490. Licensed CC0.

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