Imaging T-cell activation in advanced lung cancer

Imaging of T-cell Activation With [18F]F-AraG in Advanced Non Small Cell Lung Cancer (NSCLC) Patients Undergoing PD-1/PD-L1 Directed Therapy

Phase 2 Interventional CellSight Technologies, Inc. · NCT04726215

This study is testing if a special type of imaging can help track how well immunotherapy is working in people with advanced lung cancer.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexAll
SponsorCellSight Technologies, Inc. Industry-sponsored
Drugs / interventionsimmunotherapy
Locations3 sites (Palo Alto, California and 2 other locations)
Trial IDNCT04726215 on ClinicalTrials.gov

What this trial studies

This pilot study evaluates the immunological response to checkpoint inhibitor therapy in patients with advanced non-small cell lung cancer (NSCLC) using [18F]F AraG PET imaging. Approximately 50 patients will undergo two PET/CT scans with [18F]F AraG at different time points: one before treatment and one shortly after receiving immunotherapy. The study aims to quantify changes in [18F]F AraG PET signal and correlate these changes with radiographic responses to treatment.

Who should consider this trial

Good fit: Ideal candidates are patients with histologically confirmed advanced NSCLC who are scheduled to receive immunotherapy.

Not a fit: Patients with serious comorbidities, pregnant or nursing women, and those with severe claustrophobia may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of immune responses in lung cancer patients undergoing immunotherapy, potentially leading to improved treatment strategies.

How similar studies have performed: Other studies using PET imaging to evaluate immunotherapy responses have shown promise, suggesting this approach may yield valuable insights.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients with a histologically confirmed NSCLC and planned to undergo immunotherapy as monotherapy or as combination therapy with concurrent as treatment for advanced/metastatic disease.
2. RECIST measurable disease.
3. ECOG performance status of 0, 1 or 2.
4. Life expectancy \>/= 6 months at enrollment.

Exclusion Criteria:

1. Serious comorbidities that in the opinion of the investigator/sponsor could compromise protocol objectives.
2. Pregnant women or nursing mothers.
3. Patients with severe claustrophobia.

Where this trial is running

Palo Alto, California and 2 other locations

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 Non Small Cell Lung Cancer
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.