Examining the link between residual tumor and outcomes after targeted therapy in lung cancer

Association Between Residual Viable Tumor and Prognosis After Neoadjuvant Targeted Therapy in EGFR-Mutated Non-small Cell Lung Cancer

Observational Guangdong Provincial People's Hospital · NCT06771960

This study looks at how leftover tumor tissue after treatment affects survival in patients with a specific type of lung cancer who have received targeted therapy.

Quick facts

Study typeObservational
Enrollment120 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorGuangdong Provincial People's Hospital Academic / other
Drugs / interventionschemotherapy, immunotherapy
Locations1 site (Guangzhou, Guangdong)
Trial IDNCT06771960 on ClinicalTrials.gov

What this trial studies

This observational study investigates the relationship between residual viable tumor (RVT) and survival outcomes in patients with EGFR-mutated non-small cell lung cancer (NSCLC) who have undergone neoadjuvant targeted therapy. By analyzing data from patients treated at Guangdong Provincial People's Hospital, the study aims to clarify the prognostic significance of RVT in predicting disease-free and event-free survival. The findings could enhance understanding of RVT as a biomarker, potentially guiding postoperative management and risk stratification for patients. This retrospective analysis focuses on the importance of pathological evaluation of RVT to improve treatment strategies.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18-80 with pathologically diagnosed EGFR-mutated NSCLC who have received neoadjuvant targeted therapy and are scheduled for definitive surgery.

Not a fit: Patients with a history of prior chemotherapy, immunotherapy, or radiotherapy, or those with other malignancies or lung surgeries may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide critical insights into the prognostic value of RVT, helping to optimize treatment plans for lung cancer patients.

How similar studies have performed: While the prognostic role of RVT in lung cancer has been explored, this specific association in the context of neoadjuvant targeted therapy for EGFR-mutated NSCLC is novel and not extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18-80 years old;
* Pathologically diagnosed EGFR-mutated non-small cell lung cancer (NSCLC);
* Treated with neoadjuvant targeted therapy;
* Undergoing definitive surgery.

Exclusion Criteria:

* A history of prior chemotherapy, immunotherapy, or radiotherapy.
* A history of malignancy or lung surgery;
* Missing key data.

Where this trial is running

Guangzhou, Guangdong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Lung Cancerlung cancerNeoadjuvant targeted therapyresidual viable tumorprognosisEGFR-Mutated
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.