Clinical trial Recruiting at 1 site Interventional Ages 18 and up

CAIX-targeted 18F-T2 PET/CT imaging in solid tumors

Official title: Evaluation of Diagnostic Value of 18F-T2 PET/ CT Imaging for Tumors Likely to Express High Levels of CAIX

Run by Peking University First Hospital · NCT07557225 · Data updated 2026-11-12

This study tests a CAIX-specific radioactive tracer to see if PET/CT can help visualize solid tumors and checks safety and radiation exposure in adults with certain cancers.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment200 (estimated)
SponsorPeking University First Hospital
Academic / other
Drugs / interventionsradiation
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedApril 27, 2026
Main results expectedSeptember 2028
Study endsMarch 2029
Registry record updatedMay 14, 2026
Trial IDNCT07557225 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18 years and older with histologically confirmed or suspected tumors including clear cell renal cell cancer, urothelial carcinoma, colorectal, cervical, ovarian, and several other cancers listed in the eligibility criteria.

Probably not a fit

Some participants may not experience a diagnostic benefit from the imaging probe due to tumor biology or CAIX expression levels.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional imaging study evaluates the diagnostic value of the CAIX-targeted probe 18F-T2 for PET/CT imaging in adults with solid tumors, including several gynecologic, urologic, and gastrointestinal cancers. The trial will assess how well 18F-T2 can detect tumors and will also monitor safety, tolerability, and radiation dosimetry. Participants will receive one or more PET/CT scans using the 18F-T2 tracer under controlled conditions, with standard safety monitoring. The study does not specify a control arm and focuses on feasibility and safety signals in a diverse tumor population. Enrollment is limited to adults capable of providing informed consent and meeting specified histological or suspected tumor criteria.

Why it matters

Potential benefit: If successful, the imaging approach could improve tumor visualization and help guide diagnostic or treatment decisions in patients with CAIX-expressing cancers.

How similar studies have gone: Prior studies of targeted PET tracers have shown promise in imaging certain cancers, but 18F-T2 for CAIX is a novel/limited-appearing approach in this specific tumor set.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

All participants must meet the following criteria:

1. Written and voluntarily given Informed Consent.
2. Male or female ≥18 years of age at time of consent.
3. Have the capacity to understand the study and be willing and able to comply with all protocol requirements.
4. Participants with histologically confirmed or suspected tumors of the following types, but not limited to:

Clear Cell Renal Cell Cancer; Urothelial Carcinoma; Colorectal Cancer; Cervical Cancer; Ovarian Cancer; Head and Neck Cancer; Hepatocellular Carcinoma; Cholangiocarcinoma; Non Small Cell Lung Cancer; Small Cell Lung Cancer; Breast Cancer; Pancreatic Cancer; Endometrial Cancer; Von Hippel Lindau Disease.

Exclusion Criteria:

Participants will be excluded from participation in the study if one or more of the following criteria are met:

1. Have any serious non-malignant disease (e.g., psychiatric, infectious, autoimmune or metabolic) that may interfere with the objectives of the study or with the safety or compliance of the participant, as judged by the Investigator.
2. Have a mental impairment that may compromise the ability to give Informed Consent and comply with the requirements of the study.
3. Be a female who is pregnant or breastfeeding.

Where it's running

  • Peking University First Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.