Combined O-(2-[18F]Fluoroethyl)-L-tyrosine (FET) Positron Emission Tomography (PET) and Simultaneous Magnetic Resonance Imaging (MRI) Follow-up in Re-irradiated Recurrent Glioblastoma Patients
Recruitment status was: Recruiting
|First Submitted Date||April 15, 2012|
|First Posted Date||April 17, 2012|
|Last Update Posted Date||December 18, 2012|
|Start Date||April 2012|
|Primary Completion Date||Not Provided|
|Current Primary Outcome Measures||Not Provided|
|Original Primary Outcome Measures||Not Provided|
|Change History||Complete list of historical versions of study NCT01579253 on ClinicalTrials.gov Archive Site|
|Current Secondary Outcome Measures||Not Provided|
|Original Secondary Outcome Measures||Not Provided|
|Current Other Outcome Measures||Not Provided|
|Original Other Outcome Measures||Not Provided|
|Brief Title||Combined O-(2-[18F]Fluoroethyl)-L-tyrosine (FET) Positron Emission Tomography (PET) and Simultaneous Magnetic Resonance Imaging (MRI) Follow-up in Re-irradiated Recurrent Glioblastoma Patients|
|Official Title||Untersuchungen Zur Verlaufskontrolle Bei Re-Bestrahlung Von Glioblastompatienten Mittels Kombinierter [18F]FET-PET-Kernspintomographie|
|Brief Summary||Patients with recurrent glioblastoma who are planned to receive a second course of radiation are to be included into this monocentric cohort trial. Due to multiple pre-treatments simultaneous combined positron emission tomography (PET) with O-(2-[18F]fluoroethyl)-l-tyrosine (FET) as well as magnetic resonance imaging (MRI) is used for treatment planning and follow-up imaging as it allows for a better distinction between treatment-related changes and viable tumor tissue.|
For glioblastoma (GBM) patients it has been proven that a [18F]FET-PET scan is very helpful especially in target volume definition and after the treatment, in turn, the combination of MRI and [18F]FET-PET is diagnostically most useful to distinguish between radiation necrosis and a real progressive disease.
The response to therapy is based on the newly formulated Revised Assessment in Neuro-Oncology (RANO) criteria. Kinetic and static [18F]FET-PET scans are useful to supplement this modality and its own prognostic value concerning relapsing patients will be examined.
The special feature of this study is the use of both modalities in parallel, allowing simultaneous acquisition of morphological changes, functional and molecular imaging.
Secondary methodological issues are dealt with, such as the relationship between contrast uptake, perfusion and [18F]FET uptake. In this regard, the hybrid imaging may serve for hypothesis generation, as in parallel in a unique way of contrast enhancement and tracer kinetics can be investigated (simultaneous contrast-enhanced analysis and tracer application).
In particular, FET kinetics are examined in more detail (for example, differences between increasing and decreasing kinetics) to find ways of how to use certain MRI sequences for better visualization of viable tumor tissue and vice versa .
|Study Design||Observational Model: Cohort
Time Perspective: Prospective
|Target Follow-Up Duration||Not Provided|
|Sampling Method||Non-Probability Sample|
|Study Population||Patients with recurrent glioblastoma who are planned to receive a re-irradiation|
|Study Groups/Cohorts||Not Provided|
|Publications *||Not Provided|
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
|Recruitment Status||Unknown status|
|Completion Date||Not Provided|
|Primary Completion Date||Not Provided|
|Ages||18 Years to 75 Years (Adult, Senior)|
|Accepts Healthy Volunteers||No|
|Contacts||Contact information is only displayed when the study is recruiting subjects|
|Listed Location Countries||Germany|
|Removed Location Countries|
|Other Study ID Numbers||361-11|
|Has Data Monitoring Committee||No|
|U.S. FDA-regulated Product||Not Provided|
|IPD Sharing Statement||Not Provided|
|Responsible Party||Dr. med. Dipl.-Phys. Maximilian Niyazi, Ludwig-Maximilians - University of Munich|
|Study Sponsor||Ludwig-Maximilians - University of Munich|
|PRS Account||Ludwig-Maximilians - University of Munich|
|Verification Date||December 2012|