- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04271436
Immune Checkpoint Blockade Therapy Using 18F-FLT PET/CT
February 28, 2024 updated by: Washington University School of Medicine
Early Assessment of Response to Immune Checkpoint Blockade Therapy Using 18F-FLT PET/CT
In the current study, advanced positron emission tomography/computed tomography (PET/CT) and positron emission tomography/magnetic resonance (PET/MR) imaging methods will be used to validate the hypothesis that participants receiving immune checkpoint blockade (ICB) therapy, who ultimately achieve clinical benefit, will show an increase, or "FLARE", in tumor FLT and/or FDG uptake from baseline, as seen after cycle#1 of treatment, and that after 2 cycles of treatment responders will have a decline in FLT and FDG uptake, in comparison to the participants classified as "non-responders".
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
30
Phase
- Phase 2
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
- Name: Richard L Wahl, M.D.
- Phone Number: 314-362-7100
- Email: rwahl@wustl.edu
Study Locations
-
-
Missouri
-
Saint Louis, Missouri, United States, 63110
- Recruiting
- Washington University School of Medicine
-
Sub-Investigator:
- Farrokh Dehdashti, M.D.
-
Contact:
- Richard L Wahl, M.D.
- Phone Number: 314-362-7100
- Email: rwahl@wustl.edu
-
Principal Investigator:
- Richard L Wahl, M.D.
-
-
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 must have histologically or cytologically confirmed diagnosis of cancer.
- Patients who are planned to receive checkpoint blockade therapy, per referring oncologist.
- Life expectancy ≥ 6 months and < 5 years.
- Disease that is measurable per RECIST 1.1.
- Age ≥18 years.
- Ability and willingness to provide informed consent
- Women of child-bearing potential must have a negative urinary or serum pregnancy test within 7 days of each imaging time point.
Exclusion Criteria:
- Patient receiving other investigational radiotracers within 14 days prior to FLT and FDG imaging time points.
- Patients receiving ICB in combination with chemotherapy.
- Immunosuppressive therapy including systemic corticosteroids except for maintenance dosing for adrenal insufficiency. Patients requiring immunosuppressive therapy during the study will no longer be eligible.
- Known additional malignancy that is progressing or requires active treatment with the exceptions of basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or in situ cervical cancer that has undergone potentially curative therapy.
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, autoimmune diseases, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
- Patients with a pacemaker, stainless steel aneurysm clip or any other magnetic resonance (MR) contraindicated implant or foreign body would warrant exclusion from this study. Pacemakers may be reprogrammed or turned off by the strong MRI magnetic field. Radio-frequency (RF) fields in MR can also cause severe heating of pacemaker lead tips. Steel aneurysm clips are prone to torque in the strong MR field which can displace the clips and may damage the vessel, resulting in hemorrhage, and/or death.
- Pregnant women are excluded from this study
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: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PET/CT + PET/MR
-Eligible patients will have imaging assessments (as part of the study) performed at three time-points: pre-treatment, following cycle 1 of treatment, and following cycle 2 of treatment.
Baseline FDG PET/CT will be a standard-of-care procedure.
If possible, PET/CT imaging will be performed, followed immediately by PET/MR imaging during each imaging session.
At minimum, PET/MR should be obtained at least once during each time-point (i.e.
either during the FDG or FLT procedure).
FDG imaging and FLT imaging should be performed at least 24 hours apart and no more than 7 days apart.
|
A single dose of 10 mCi FDG will be given by bolus injection approximately 60 minutes prior to the first planned imaging procedure.
. A single dose of 10 mCi FLT will be given by bolus injection approximately 80 minutes prior to the first planned imaging procedure.
MR imaging will be performed on a Siemens Biograph mMR or an MRI scanner, if the PET/MR is unavailable.
-Radiopharmaceutical
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in FLT uptake
Time Frame: Between pre-treatment PET/CT imaging and end of cycle 1 PET/CT imaging (estimated to be 1 month)
|
|
Between pre-treatment PET/CT imaging and end of cycle 1 PET/CT imaging (estimated to be 1 month)
|
Change in FLT uptake
Time Frame: Between pre-treatment PET/CT imaging and end of cycle 2 PET/CT imaging (estimated to be 2 months)
|
|
Between pre-treatment PET/CT imaging and end of cycle 2 PET/CT imaging (estimated to be 2 months)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in FDG uptake
Time Frame: Between pre-treatment PET/CT imaging and end of cycle 1 PET/CT imaging (estimated to be 1 month)
|
|
Between pre-treatment PET/CT imaging and end of cycle 1 PET/CT imaging (estimated to be 1 month)
|
Change in FDG uptake
Time Frame: Between pre-treatment PET/CT imaging and end of cycle 2 PET/CT imaging (estimated to be 2 months)
|
|
Between pre-treatment PET/CT imaging and end of cycle 2 PET/CT imaging (estimated to be 2 months)
|
Change in apparent diffusion coefficient (ADC) on diffusion-weighted MRI (DW-MRI)
Time Frame: From baseline to the end of second cycle of treatment (estimated to be 2 months)
|
From baseline to the end of second cycle of treatment (estimated to be 2 months)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Richard L Wahl, M.D., Washington University School of Medicine
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.
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)
April 22, 2021
Primary Completion (Estimated)
January 31, 2025
Study Completion (Estimated)
January 31, 2025
Study Registration Dates
First Submitted
February 12, 2020
First Submitted That Met QC Criteria
February 12, 2020
First Posted (Actual)
February 17, 2020
Study Record Updates
Last Update Posted (Actual)
March 1, 2024
Last Update Submitted That Met QC Criteria
February 28, 2024
Last Verified
February 1, 2024
More Information
Terms related to this study
Other Study ID Numbers
- 201909060
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
Data may be shared with other researchers.
The researchers may be doing research at Washington University, at other research centers and institutions, or industry sponsors of research.
Data may also be shared with large data repositories.
The researchers may be doing research in areas similar to this research or in other unrelated areas.
IPD Sharing Time Frame
Beginning 3 months and ending 10 years following article publication.
IPD Sharing Access Criteria
Proposals should be submitted directly to rwahl@wustl.edu.
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- ICF
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
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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