Using 68Ga-grazytracer PET imaging to evaluate immunotherapy in lung cancer

The Application Value of 68Ga-grazytracer PET in Immunotherapy for Stage III Non-small-cell Lung Cancer: a Prospective, Observationa Trial

Ruijin Hospital · NCT06623487

This study is testing if a special type of PET imaging can help doctors see how well immunotherapy is working for patients with stage III non-small cell lung cancer.

Quick facts

Study typeObservational
Enrollment30 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorRuijin Hospital (other)
Drugs / interventionsimmunotherapy
Locations1 site (Shanghai, Shanghai Municipality)
Trial IDNCT06623487 on ClinicalTrials.gov

What this trial studies

This study focuses on patients with stage III non-small cell lung cancer (NSCLC) who are undergoing neoadjuvant immunotherapy. It aims to utilize 68Ga-grazytracer PET imaging to non-invasively detect the presence of CD8+ T cells in tumor lesions, which may provide insights into the treatment's efficacy. By monitoring these immune responses, the study seeks to enhance clinical decision-making regarding patient management and treatment strategies. The observational nature of the study allows for real-world data collection without altering patient treatment protocols.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18-75 with stage III NSCLC who require neoadjuvant immunotherapy.

Not a fit: Patients with serious comorbidities or those who are pregnant or nursing may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to improved monitoring of immunotherapy effectiveness, potentially enhancing patient outcomes in NSCLC.

How similar studies have performed: While the use of PET imaging in cancer treatment monitoring is established, the specific application of 68Ga-grazytracer PET in this context is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients with stage III NSCLC, after assessment according to clinical guidelines, require neoadjuvant immunotherapy;
2. Fully-informed written consent obtained from patients;
3. Patient ability to comply with protocol requirements;
4. Age 18-75 years;
5. Life expectancy of at least 6 months.

Exclusion Criteria:

1. Patients with serious diseases that the investigator deems unsuitable for participation in the clinical study. Such as severe cardiopulmonary insufficiency, severe bone marrow suppression, severe hepatic or renal insufficiency, etc;
2. Intestinal perforation, complete intestinal obstruction;
3. Patients with uncontrolled diabetes mellitus or a fasting blood glucose value of ≥11 mmol/L on the day of the test;
4. Pregnant women and women who are potentially pregnant, as well as nursing mothers;
5. Patients with poor compliance.

Where this trial is running

Shanghai, Shanghai Municipality

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.

View on ClinicalTrials.gov →

Conditions: Carcinoma, Non-Small-Cell Lung, PET / CT, Neoadjuvant Immunotherapy

Last reviewed 2026-05-15 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.