- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05593809
Single Photon Emission Computed Tomography/Computed Tomography With Pentavalent 99mTc Dimercaptosuccinic Acid in Patients With Brain Glioma; Correlation With IDH Mutation
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Every year, nearly100,000 people worldwide are diagnosed as having brain gliomas. Although it comprises <1% of all newly diagnosed cancers, brain glioma is associated with substantial mortality and morbidity. Gliomas are intrinsic brain tumors that originate from neuroglial progenitor cells. Conventional therapies, including surgery, chemotherapy, and radiotherapy, have achieved limited improvements in the prognosis of glioma patients.
Radiation therapy to the brain may lead to postradiation injury which typically occurs within the first 3 to 12 months after radiotherapy but it was reported up to several years and even decades later. The clinical picture of radiation necrosis (RN) is variable and may include seizures, headache, personality changes, and neurologic deficits. These symptoms mimic tumor recurrence and differentiation between the two entities clinically or even by conventional radiological modalities is difficult but is necessary because the two conditions have different treatment modalities and prognosis.
SPECT has the advantages of being widely available and not expensive. Multiple SPECT tracers have been explored. Of them Thallium-201 and 99 mTc-MIBI are, possibly, the most extensively discussed. The main disadvantage of 201Tl is the lower spatial resolution, relatively large radiation dose, and the reported high false positive results. Normal uptake of MIBI in the choroid plexus may be confounding for assessing tumors around the ventricles.
Pentavalent 99mTc dimercaptosuccinic acid (99mTc (V) DMSA), is a nonspecific tumor targeting SPECT radiotracer, that has been used for imaging of various tumors including lung and breast carcinoma. However, to date, scarce reports discussed the utility of DMSA-V in patients with glioma.
Isocitrate dehydrogenase (IDH) enzymes, of which there are three isoforms, are essential enzymes that participate in several major metabolic processes, such as the Krebs cycle, glutamine metabolism, lipogenesis and redox regulation.
Major advances in cancer genetics over the past decade have revealed that the genes encoding IDHs are frequently mutated in a variety of human malignancies, including gliomas, acute myeloid leukaemia, cholangiocarcinoma, chondrosarcoma and thyroid carcinoma.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Radwa Elsaady, Bachelor
- Phone Number: +201006414845
- Email: noooor2.2010@gmail.com
Study Contact Backup
- Name: Reham Gaber, master
- Phone Number: +201156138738
- Email: Rehamgaber333@gmail.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients with a pathologically proven glioma. • patients conscious to provide informed consent
Exclusion Criteria:
- Pregnant women.
- severely ill patients and those with disturbed conscious level,
- patients who were judged that they cannot lie down comfortably without movement for at least 20 min
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
degree of 99mTc-DMSA (V) uptake at SPECT/CT
Time Frame: Baseline
|
measured by calculating quantitative index of 99mTc-DMSA (V) uptake at SPECT/CT as a biomarker for IDH mutation expression
|
Baseline
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
IDH mutation
Time Frame: Baseline
|
measured by immunohistochemistry technique using the anti-IDH antibody
|
Baseline
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms, Glandular and Epithelial
- Neoplasms, Neuroepithelial
- Neuroectodermal Tumors
- Neoplasms, Germ Cell and Embryonal
- Neoplasms, Nerve Tissue
- Glioma
- Molecular Mechanisms of Pharmacological Action
- Radiopharmaceuticals
- Technetium Tc 99m Dimercaptosuccinic Acid
Other Study ID Numbers
- DMSAglioma
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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