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Confocal Laser Endomicroscopy for Brain Tumors

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
Kiungo kimehifadhiwa kwenye clipboard
HaliKuachishwa
Wadhamini
Hospices Civils de Lyon

Maneno muhimu

Kikemikali

Confocal Laser Endomicroscopy (CLE) could be a useful tool for real-time diagnosis of brain lesions (initial diagnosis or follow-up post resection to check for residual dysplasia) and real-time assessment of resections margins during surgery. Probe-based CLE using the CELLVIZIO® has never been used for glioma surgical guided resection. Before assessing the potential of this technique in improving surgical resection outcome, a feasability study has to be performed.

Tarehe

Imethibitishwa Mwisho: 10/31/2015
Iliyowasilishwa Kwanza: 09/11/2014
Uandikishaji uliokadiriwa Uliwasilishwa: 09/14/2014
Iliyotumwa Kwanza: 09/15/2014
Sasisho la Mwisho Liliwasilishwa: 11/24/2015
Sasisho la Mwisho Lilichapishwa: 11/25/2015
Tarehe halisi ya kuanza kwa masomo: 08/31/2014
Tarehe ya Kukamilisha Msingi iliyokadiriwa: 09/30/2014
Tarehe ya Kukamilisha Utafiti: 12/31/2014

Hali au ugonjwa

Low Grade Glioma (LGG), High Grade Glioma (HGG)

Uingiliaji / matibabu

Procedure: surgical removal of the tumors+stereotaxic biopsy

Awamu

Awamu 1

Vikundi vya Arm

MkonoUingiliaji / matibabu
Experimental: surgical removal of the tumors+stereotaxic biopsy
Procedure: surgical removal of the tumors+stereotaxic biopsy
The CELLVIZIO® system (Mauna Kea technology) will be used for confocal endomicroscopy during a surgical procedure (either open surgical approach or stereotaxic biopsy). The probe dedicated to the CELLVIZIO® system will be positioned against the surface of the brain, sequences will be acquired, and finally compared with anatomapathology exams. Two specific medications will be used as contrast agent in the study: Fluorescein FAURE 500mg/5mL IV with a maximum of two doses per patient OR 5 amino-levulinic hydrochloride (GLIOLAN, MEDAC) orally at the dose of 20mg/kg of body weight.

Vigezo vya Kustahiki

Zama zinazostahiki Kujifunza 18 Years Kwa 18 Years
Jinsia Inastahiki KujifunzaAll
Hupokea Wajitolea wa AfyaNdio
Vigezo

Inclusion Criteria:

- Patients older than 18 years old

- Clinical signs and history of the disease in favor of a HGG, LGG

- MRI study in favor of a HGG, LGG, meningioma or brain metastasis

- Affiliated to or beneficiary of a social security system (or equivalent).

- Patients who have provided written informed consent for the study

Exclusion Criteria:

- - Allergy to fluorescein

- Previous life-threatening allergic reactions and known hypersensitivity

- Pregnant or lactating or not using effective contraception;

- Restricted renal function define by a creatinine clearance < 30ml/min

- Patients under a beta-blockers treatment

- Contraindication to do an MRI (pace-maker)

- Contraindication to the use of 5-ALA : known hypersensibility to 5-ALA or to porphyrin, acute or chronic porphyria

- Minor or adult ward of court (under guardianship or trusteeship)

- No affiliation to a social security system (or equivalent).

- Patients who express opposition to participation in the study.

Matokeo

Hatua za Matokeo ya Msingi

1. To demonstrate the technical feasibility of endomicroscopic imaging during brain tumors (gliomas) removal with an open approach (classic neurosurgical procedures) and biopsies. [End of the surgical procedure]

The technical feasibility will be assessed by the capacity of the CELLVIZIO® system to provide microscopic images of healthy tissue and lesions suspected with malignancy and to match those images with classical histologies.

Hatua za Matokeo ya Sekondari

1. To demonstrate the safety of endomicroscopic imaging during brain tumors (gliomas, meningiomas, metastasis) removal with an open approach (classic neurosurgical procedures) and biopsies. [14 days after inclusion]

Safety will be assessed by the number, type and severity of recorded adverse events.

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