- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02631655
POSitron Emission Imaging Using 18F-FDOPA in Neurooncology (POSEIDON)
Study of the Impact of 18F-FDOPA Positon Emission Tomography on Therapeutic Proposals Made at Neurooncology Multidisciplinary Case Conferences
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Current treatment of high-grade glioma combining surgery, radiotherapy and chemotherapy has enhanced overall survival during the past 10 years, notably thanks to the " Stupp " protocol using Temozolomide. At tumor evaluation and post-treatment follow-up, decisions regarding management (change, discontinuation or continuation of treatment) are discussed during multidisciplinary case conferences (MCC) between neurooncology specialists and are generally based primarily on MRI data. New treatment strategies are more effective on tumor tissue but also affect the adjacent healthy tissue. These phenomena give rise to complex MRI changes which can make it more difficult to perform differential diagnoses between tumor recurrence and treatment sequellae, such as radionecrosis and pseudoprogression. Alternatively, they can conceal effective tumor progression (appearance of pseudoresponse under antiangiogenics). Classical MRI interpretation criteria have evolved to take these phenomena into account (RANO criteria) and are now supplemented by new MRI data (perfusion and diffusion imaging, spectroscopy). Nonetheless, cases involving an uncertain recurrence diagnosis are still frequent. PET imaging has also shown very good results in differential diagnosis between posttreatment changes. Fluorodeoxyglucose-18-F (18FDG) can be used for glioma follow-up (Varrone EJNMMI 2009) but produces false positives during follow-up. In this setting, over-expression of amino acid transporter LAT-1 in brain tumors makes amino acids or marked analogs more suitable for PET imaging of glial tumors. C-11 methionine and 18F-FET can be used, but 18F-FDOPA is currently the only radiopharmaceutical agent to have received marketing authorization in France. Recently, the UCLA group demonstrated that 18F-FDOPA could modify the intended management of 41% of patients with brain tumors . The present projects aims to assess the impact of 18F-FDOPA PET imaging on decisions taken by neurooncology MCCs for the management of patients already treated for high-grade gliomas.
Expected benefits for patients and in terms of Public Health High-grade gliomas are the commonest and most aggressive brain tumors. Current therapy combining several treatments (surgery, radiotherapy, radiosurgery and chemotherapy) has improved overall patient survival during the past 10 years. Nevertheless, tumor recurrence accounts for a median survival of approximately only 15 months.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Nice, France, 06000
- Centre Antoine Lacassagne
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient diagnosed with high-grade glioma
- Patient whose file has been submitted to the neurooncology MCC for follow-up after initial treatment and for whom there is a diagnostic doubt
- Age > 18 years
- Patient has been informed and has signed informed consent for the study
Exclusion Criteria:
- Patient presenting comorbidities or allergies on account of which MRI or 18F-FDOPA PET would be contraindicated.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: device 18FDOPA
impact of device 18F-FDOPA PET on treatment decisions
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Imagery device: impact of 18F-FDOPA PET imaging on treatment decisions for patients with high-grade gliomas with an uncertain diagnosis.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
percentage of modified therapeutic decisions connected to the data supplied by 18F-FDOPA PET
Time Frame: up to 3 years
|
up to 3 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Percentage of variation in the confidence level of diagnosis incorporating 18F-FDOPA PET findings (reduced, unchanged, increased).
Time Frame: up to 3 years
|
up to 3 years
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Jacques DARCOURT, PHD, Centre Antoine Lacassagne
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2014/60
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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