Amino Acid Transporter System PET/CT Imaging in AATS-Related Diseases

January 23, 2026 updated by: Shaobo Yao, PhD, Tianjin Medical University
To evaluate the potential usefulness of 11C/18F-MET/FET positron emission tomography/ computed tomography (PET/CT) for the diagnosis of primary and metastatic lesions in various amino acid transporter system (AATS)-related disease patients.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

Subjects with various AATS-related disease (Primary Hyperparathyroidism, Glioma, et al) patients underwent 11C/18F-MET/FET PET/CT either for an initial assessment or for recurrence detection. Lesions uptake was quantified by the maximum standard uptake value (SUVmax). The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of 11C/18F-MET/FET were calculated.

Study Type

Observational

Enrollment (Estimated)

500

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • China
    • Anhui
      • Hefei, Anhui, China, 230000
        • Recruiting
        • The First Affiliated Hospital of University of Science and Technology of China
        • Contact:
    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, China, 300052
        • Recruiting
        • Tianjin Medical University General Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

  1. adult patients (aged 18 years or order);
  2. patients with suspected or newly diagnosed or previously treated malignant tumors (supporting evidence may include MRI, CT, tumor markers and pathology report);
  3. patients who had scheduled AATS PET/CT scan;
  4. patients who were able to provide informed consent (signed by participant, parent or legal representative) and assent according to the guidelines of the Clinical Research Ethics Committee.

Description

Inclusion Criteria:

  1. adult patients (aged 18 years or order);
  2. patients with suspected or newly diagnosed or previously treated malignant tumors (supporting evidence may include MRI, CT, tumor markers and pathology report);
  3. patients who had scheduled AATS PET/CT scan;
  4. patients who were able to provide informed consent (signed by participant, parent or legal representative) and assent according to the guidelines of the Clinical Research Ethics Committee.

Exclusion Criteria:

  1. patients with non-malignant lesions;
  2. patients with pregnancy;
  3. the inability or unwillingness of the research participant, parent or legal representative to provide written informed consent.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Single Group Assignment
Each subject receive a single intravenous injection of 11C/18F-MET/FET, and undergo PET/CT imaging within the specificed time.
Diagnostic test: 11C/18F-MET/FET
Each subject receive a single intravenous injection of 11C/18F-MET/FET, and undergo PET/CT imaging within the specificed time

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Standardized uptake value (SUV)
Time Frame: 30 days
Standardized uptake value (SUV) of AATS for each target lesion of subject or suspected primary tumor or/and metastasis.
30 days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Diagnostic efficacy
Time Frame: 30 days
The sensitivity, specificity and accuracy of AATS PET/CT were calculated.
30 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Tianjin Medical University

Collaborators

Tianjin Medical University General Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 29, 2013

Primary Completion (Estimated)

August 29, 2033

Study Completion (Estimated)

August 29, 2033

Study Registration Dates

First Submitted

January 23, 2026

First Submitted That Met QC Criteria

January 23, 2026

First Posted (Actual)

January 30, 2026

Study Record Updates

Last Update Posted (Actual)

January 30, 2026

Last Update Submitted That Met QC Criteria

January 23, 2026

Last Verified

January 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • TJMUGH-14

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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