- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT02383628
Endoscopic Perfusion Utilizing ICG Fluorescence Technology (ICG)
Studieöversikt
Status
Betingelser
Detaljerad beskrivning
Over the past decade, a technique widely used by ophthalmologists to assess retinal blood flow, near-infrared ICG angiography, has been applied to neurosurgical patients undergoing a wide variety of cerebrovascular procedures. This technique offers the advantage of real-time visualization of cerebral blood flow through the operating microscope at the time the procedure is being performed. Indocyanine green is an ideal agent for imaging vessels as it is tightly bound to plasma albumin, has a short half-life, and maintains an acceptable safety profile. Furthermore, the excitation and emission profiles for ICG lie in the near-infrared wavelengths, which allow penetration and imaging of vessels below a few millimeters of tissue.
Patients with either an aneurysm, compressive syndromes or pituitary and intracranial tumor will be enrolled in the study. By taking advantage of the natural fluorescence of indocyanine green (ICG) within the red spectrum and applying a light filter to the endoscope eyepiece and camera it will show as to whether this technique provides adequate visual information to differentiate perfusion in tumor and surrounding structures and to evaluate normal vessels for aneurysm and compressive syndromes procedures.
Studietyp
Inskrivning (Faktisk)
Kontakter och platser
Studieorter
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Pennsylvania
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Pittsburgh, Pennsylvania, Förenta staterna, 15213
- University of Pittsburgh Medical Center
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- Patient population would include those patients with pituitary tumors, intracranial tumors, aneurysms, and normal tissue adjacent to tumors to clarify normal from abnormal. Also, patients with compressive syndromes to ensure patency of normal vessels. This would be all patients undergoing endoscopic surgery, both endonasal and open (retromastoid or transcranial).
Exclusion Criteria:
- Less than 18 years of age
- Iodine allergy
- Shellfish allergy
- Contrast allergy
- Previous anaphylactic reaction to ICG
- Pregnant
- Anyone with any evidence of renal or hepatic dysfunction
Studieplan
Hur är studien utformad?
Designdetaljer
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Efficacy as measured by observation
Tidsram: up to 52 weeks
|
compare efficacy of tissue perfusion with and without ICG Dye and light filter
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up to 52 weeks
|
Samarbetspartners och utredare
Sponsor
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Andra studie-ID-nummer
- PRO13110107
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