18F-Fluoroazomycin Arabinoside PET-CT in Diagnosing Solid Tumors in Patients

April 10, 2026 updated by: M.D. Anderson Cancer Center

Test-Retest of (18)F-Fluoroazomycin Arabinoside ([18F]FAZA) PET-CT of Solid Tumors

This early phase I trial studies how well 18F-fluoroazomycin arabinoside positron emission tomography (PET)-computed tomography (CT) works in diagnosing solid tumors. Using 18F-fluoroazomycin arabinoside with PET-CT may help doctors plan better treatment for patients with solid tumors. 18F-fluoroazomycin arabinoside may help to show how much oxygen is present in a tumor during a PET-CT scan.

Study Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Detailed Description

PRIMARY OBJECTIVES:

I. To evaluate the feasibility of PET-CT using 18F-fluoroazomycin arabinoside ([18F]FAZA) and to determine the optimal imaging time to detect hypoxia in solid tumors.

SECONDARY OBJECTIVES:

I. To determine the variability of imaging findings from repeated [18F]FAZA PET-CT studies over >= 24 hours up to 10 days.

II. To confirm the safety of [18F]FAZA administered during PET-CT imaging of hypoxia of solid tumors.

OUTLINE: Patients are assigned to 1 of 2 groups.

GROUP A: Patients receive 18F-fluoroazomycin arabinoside intravenously (IV) and after 60 minutes undergo 5 PET-CT scans at 60, 90, 120, 150, and 180 minutes on days 1 and 2.

GROUP B: Patients receive 18F-fluoroazomycin arabinoside IV and after 60 minutes undergo 5 or less PET-CT scans on day 1 and 5 or less PET-CT scans >= 24 hours later up to 10 days.

After completion of study treatment, patients are followed up at 24 hours and at 30 days.

Study Type

Interventional

Enrollment (Estimated)

25

Phase

  • Phase 1

Contacts and Locations

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

Study Locations

  • United States
    • Texas
      • Houston, Texas, United States, 77030
        • M D Anderson Cancer Center

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Patients with histopathologic diagnosis of a solid tumor. All solid tumors will be considered, but patients with breast, pancreas, and colorectal masses will be prioritized.
  • Patient must have a solid tumor with a short-axis greater than or equal to 1 cm (by CT, magnetic resonance imaging [MRI], ultrasonography or mammography) to allow reliable PET imaging.
  • A patient who has not received systemic or loco-regional treatment of the tumor within the last month.
  • Ability of the subject, or the legally authorized representative (LAR) if the patient is deemed by the treating physician to be cognitively impaired or questionably impaired in such a way that the ability of the patient to give informed consent is questionable, to understand, and the willingness to sign, a written informed consent.
  • Patients who are not expected to receive cancer therapy before imaging sessions are completed.

Exclusion Criteria:

  • Pregnant or lactating women: pregnant women are excluded from this study because the effects of [18F] FAZA in pregnancy are not known. A urine or serum pregnancy test will be performed before accrual after informed consent is obtained.
  • Lactation should be suspended for at least two days following the administration of [18F] FAZA to the mother, because of the unknown but potential risk for adverse events in nursing infants secondary to administration of the radionuclide to a lactating woman.
  • Subjects with contraindications to the use of [18F] FAZA including confirmed allergy.
  • Patients with a body weight of 400 pounds or more, or a body mass index (BMI) which precludes their entry into the bore of the PET/CT scanner, because the findings will probably be compromised in image quality with CT, PET/CT and MRI.
  • Any additional medical condition, serious concurrent illness, or other extenuating circumstance that, in the opinion of the investigator may significantly interfere with study compliance.

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

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Group A (18F-fluoroazomycin arabinoside, PET-CT scans)
Patients receive 18F-fluoroazomycin arabinoside IV and after 60 minutes undergo 5 PET-CT scans at 60, 90, 120, 150, and 180 minutes on days 1 and 2.
Procedure: Computed Tomography
Undergo PET-CT scan
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computerized Axial Tomography
  • tomography
  • computerized tomography
  • CT SCAN
Procedure: Positron Emission Tomography
Undergo PET-CT scan
Other Names:
  • Medical Imaging, Positron Emission Tomography
  • PET
  • PET Scan
  • Positron Emission Tomography Scan
  • Positron-Emission Tomography
  • proton magnetic resonance spectroscopic imaging
Radiation: Fluorine F 18-fluoroazomycin Arabinoside
Given IV
Other Names:
  • 18F-FAZA
  • 18F-Fluoroazomycin Arabinoside
  • FAZA F-18
  • FLUOROAZOMYCIN ARABINOSIDE F-18
Experimental: Group B (18F-fluoroazomycin arabinoside, PET-CT scans)
Patients receive 18F-fluoroazomycin arabinoside IV and after 60 minutes undergo 5 or less PET-CT scans on day 1 and 5 or less PET-CT scans >= 24 hours later up to 10 days.
Procedure: Computed Tomography
Undergo PET-CT scan
Other Names:
  • CT
  • CAT
  • CAT Scan
  • Computerized Axial Tomography
  • tomography
  • computerized tomography
  • CT SCAN
Procedure: Positron Emission Tomography
Undergo PET-CT scan
Other Names:
  • Medical Imaging, Positron Emission Tomography
  • PET
  • PET Scan
  • Positron Emission Tomography Scan
  • Positron-Emission Tomography
  • proton magnetic resonance spectroscopic imaging
Radiation: Fluorine F 18-fluoroazomycin Arabinoside
Given IV
Other Names:
  • 18F-FAZA
  • 18F-Fluoroazomycin Arabinoside
  • FAZA F-18
  • FLUOROAZOMYCIN ARABINOSIDE F-18

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Relative change of imaging parameters (tumor volume, standardized uptake value [SUV], tumor to muscle ratio [TMR], hypoxic tumor volume [HTV1, HTV2], and total lesion hypoxia [TLH1, TLH2])
Time Frame: Baseline up to 30 days
Summary statistics of tumor volume, SUV, TMR, HTV1, HTV2, TLH1, TLH2, and their changes from baseline to later time point will be provided in mean, standard deviation, and range by time point. Lin's concordance correlation coefficient for these parameters will be calculated and MDC95 will also be calculated for 2 hour timepoint or other time points. Other statistical analyses will be carried out as appropriate.
Baseline up to 30 days
Incidence of adverse events per Common Terminology Criteria for Adverse Events version 4.03
Time Frame: Up to 30 days
Adverse events and vital signs will be monitored and described with descriptive statistics.
Up to 30 days

Collaborators and Investigators

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

Sponsor

M.D. Anderson Cancer Center

Collaborators

National Cancer Institute (NCI)

Investigators

  • Principal Investigator: Franklin C Wong, M.D. Anderson Cancer Center

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

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)

September 22, 2017

Primary Completion (Estimated)

April 30, 2027

Study Completion (Estimated)

April 30, 2027

Study Registration Dates

First Submitted

May 24, 2017

First Submitted That Met QC Criteria

May 25, 2017

First Posted (Actual)

May 30, 2017

Study Record Updates

Last Update Posted (Actual)

April 15, 2026

Last Update Submitted That Met QC Criteria

April 10, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2016-0847 (Other Identifier: M D Anderson Cancer Center)
  • NCI-2018-01196 (Registry Identifier: CTRP (Clinical Trial Reporting Program))

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

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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