PET imaging of STING expression in cancer patients

[68Ga]Ga-Sa-DABI-4 PET Imaging of Stimulator of Interferon Gene Expression in Cancer Patients

Early Phase 1 Interventional First Affiliated Hospital of Chongqing Medical University · NCT06419361

This study is testing a new imaging agent to see if it can safely help doctors visualize a specific protein in tumors of adults with cancer, which may improve cancer treatment.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorFirst Affiliated Hospital of Chongqing Medical University Academic / other
Locations1 site (Chongqing, Chongqing Municipality)
Trial IDNCT06419361 on ClinicalTrials.gov

What this trial studies

This study investigates the safety and effectiveness of a novel 68Ga-labeled agonist, [68Ga]Ga-Sa-DABI-4, for noninvasive positron emission tomography (PET) imaging of the stimulator of interferon gene (STING) expression in tumors. By monitoring STING expression, the study aims to enhance the understanding of STING therapy in cancer treatment. Participants will include adults with suspected or diagnosed malignant diseases, and the study will assess the biodistribution of the imaging agent in the tumor microenvironment.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with suspected or newly diagnosed malignant diseases.

Not a fit: Patients with non-malignant diseases or those who are pregnant will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the monitoring and treatment of cancer by providing a new method for imaging STING expression.

How similar studies have performed: While the specific approach of using [68Ga]Ga-Sa-DABI-4 for PET imaging of STING expression is novel, similar imaging techniques have shown promise in other cancer studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. At least 18 years of age.
2. Signed informed consent.
3. Patients with suspected or newly diagnosed or previously malignant disease.

Exclusion Criteria:

1. Patients with non-malignant disease.
2. Patients with pregnancy.
3. The inability or unwillingness of the research participant, parent or legal representative to provide written informed consent.
4. Known or expected hypersensitivity to \[68Ga\]Ga-Sa-DABI-4 or any of its components.
5. Any serious medical condition or extenuating circumstance which the investigator feels may interfere with the procedures or evaluations of the study.

Where this trial is running

Chongqing, Chongqing Municipality

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 Stimulator of Interferon GeneCancerPositron Emission Tomography
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.