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RecruitingNCT05502523Updated Jan 23, 2026

The Impact of Surgical Technique on Circulating Tumor DNA in Stage I-III Non-Small Cell Lung Cancer

An interventional study of Pulmonary Artery-First Surgical Technique and Biospecimen Collection in Lung Non-Small Cell Carcinoma, Stage I Lung Cancer AJCC v8 and Stage II Lung Cancer AJCC v8, sponsored by Thomas Jefferson University. Recruiting at 4 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-01-23.

Sponsored by Thomas Jefferson University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Started Aug 2022; still recruiting 4 years 1 month later.
Phase
Not applicable
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

This clinical trial compares the effect of pulmonary vein-first surgical technique to pulmonary artery-first surgical technique in decreasing circulating tumor cell deoxyribonucleic acid (ctDNA) in patients with stage I-III non-small cell lung cancer. Pulmonary vein first and pulmonary artery first surgical techniques are standard surgical techniques for the division of the blood vessels during lung resection surgery. Pulmonary vein-first surgical technique may reduce the risk of shedding tumor cells during surgery and influence long term overall survival.

Read the detailed description

PRIMARY OBJECTIVE:

I. To determine the association between sequence of surgical resection and postoperative ctDNA levels at specified time points.

SECONDARY OBJECTIVE:

I. To determine the associated between sequence of surgical resection and postoperative ctDNA level and clinical oncologic outcomes.

II. To assess disease-free survival and the role of circulating tumor DNA in disease recurrence in patients with resectable non-small cell lung cancer.

OUTLINE: Patients are randomized to 1 of 2 groups.

GROUP I: Patients undergo pulmonary vein first approach surgical procedure on day of surgery.

GROUP II: Patients undergo pulmonary artery first approach surgical procedure on day of surgery.

After completion of surgery, patients are followed up at day 1, day 7, days 7-28, 4 months, every 6 months for 2 years, then every 6 months for up to 5 years

02

Conditions studied

  • Lung Non-Small Cell Carcinoma
  • Stage I Lung Cancer AJCC v8
  • Stage II Lung Cancer AJCC v8
  • Stage III Lung Cancer AJCC v8
03

In context

Carcinoma, Non-Small-Cell Lung

6,488 studies on the registry are indexed under Carcinoma, Non-Small-Cell Lung; 1,632 are open to participants now.

This study's planned enrollment of 100 is above the median of 62 across 5,213 interventional studies indexed under Carcinoma, Non-Small-Cell Lung.

Browse Carcinoma, Non-Small-Cell Lung studies →

Lead sponsor

Thomas Jefferson University is the lead sponsor of 384 studies on the registry; 71 are open to participants now.

Of its 44 completed or terminated interventional studies of FDA-regulated products, 20 (45%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Any patients 18 years of age or older with confirmed or suspected early-stage (stage I-III) NSCLC
  • Eligible and scheduled for surgical anatomic lung resection (e.g. lobectomy or segmentectomy) as routine clinical care for their disease

Exclusion criteria

Exclusion Criteria:

  • Previous cancer diagnosis within 5 years (except ductal carcinoma in situ [DCIS] of the breast, superficial bladder cancer, non-melanoma skin primary, other malignancy that does not require treatment).
  • Preoperative chemotherapy, immunotherapy, or radiation therapy
  • Receipt of perioperative blood transfusion
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
100 participants (estimated)

Study arms

  • Active comparator
    Group I (pulmonary vein first approach procedure)

    Patients undergo pulmonary vein first approach surgical procedure on day of surgery.

    Procedure: Pulmonary Artery-First Surgical Technique

  • Active comparator
    Group II (pulmonary artery first surgical procedure)

    Patients undergo pulmonary artery first approach surgical procedure on day of surgery.

    Procedure: Biospecimen Collection

Interventions

  • ProcedurePulmonary Artery-First Surgical Technique

    Undergo pulmonary artery first surgical technique

    Also known as: Artery-First Technique, A-First Technique, Lung Cancer Artery-First Surgical Technique, Artery-First Surgical Technique, Artery-First Ligation

  • ProcedureBiospecimen Collection

    Correlative studies

    Also known as: Biological Sample Collection, Biospecimen Collected, Specimen Collection

06

What researchers measure

Primary outcomes

  1. Circulating tumor deoxyribonucleic acid (ctDNA) status

    Stratified by surgical vascular division technique. A peripheral blood sample will be taken at the time of surgery to determine baseline ctDNA status. Following surgical resection a blood sample will be taken at specified time points (postoperative day 2; postoperative day 14) to determine ctDNA levels compared to baseline. The difference in the proportion of patients who have positive ctDNA status between those undergoing division/ligation in a "pulmonary-vein first" technique compared to a "pulmonary-artery first" technique will be estimated. The risk difference will be estimated along with a 95% confidence interval.

    Time frame: At postoperative day 2

  2. Circulating tumor deoxyribonucleic acid (ctDNA) status

    Stratified by surgical vascular division technique. A peripheral blood sample will be taken at the time of surgery to determine baseline ctDNA status. Following surgical resection a blood sample will be taken at specified time points (postoperative day 2; postoperative day 14) to determine ctDNA levels compared to baseline. The difference in the proportion of patients who have positive ctDNA status between those undergoing division/ligation in a "pulmonary-vein first" technique compared to a "pulmonary-artery first" technique will be estimated. The risk difference will be estimated along with a 95% confidence interval.

    Time frame: At postoperative day 14

Secondary outcomes

  1. Disease free survival rate

    The distribution of survival outcomes will be estimated using the Kaplan-Meier method, stratified by ctDNA status at 2 days and 2 weeks. Key statistics (median survival, 1- and 2-year survival) will be estimated from the curve along with 95% confidence intervals. We will also use a Cox proportional hazard regression model, stratified by stage in the analyses, to estimate the hazard ratio along with a 95% confidence interval.

    Time frame: Up to 5 years

  2. Overall survival rate

    The distribution of survival outcomes will be estimated using the Kaplan-Meier method, stratified by ctDNA status at 2 days and 2 weeks. Key statistics (median survival, 1- and 2-year survival) will be estimated from the curve along with 95% confidence intervals. We will also use a Cox proportional hazard regression model, stratified by stage in the analyses, to estimate the hazard ratio along with a 95% confidence interval.

    Time frame: Up to 5 years

07

Study locations

4 of 4 sites recruiting
  • Abington Memorial Hospital
    Abington, Pennsylvania 19001, United States
    Recruiting
  • Jefferson Health Northeast
    Philadelphia, Pennsylvania 19107, United States
    • Joanne Anderson · Contact · 215-866-8690
    Recruiting
  • Thomas Jefferson University Hospital
    Philadelphia, Pennsylvania 19107, United States
    Recruiting
  • Asplundh Cancer Pavilion at Jefferson Health
    Willow Grove, Pennsylvania 19090, United States
    • John Jacob, MD · Contact · 215-481-4000
    Recruiting
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 23, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05502523
Lead sponsor
Thomas Jefferson University
Responsible party
Sponsor
First posted
Aug 16, 2022
Start date
Aug 31, 2022
Primary completion
Jan 1, 2027 (estimated)
Completion
Jan 1, 2029 (estimated)
Last update
Jan 23, 2026

Study contacts

Tyler Grenda, MD
Contact
Tyler.grenda@jefferson.edu
215-955-5562
Tyler Grenda, MD
principal investigator · TJU

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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