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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05893407
Other study ID # APHP230489
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date July 21, 2023
Est. completion date July 2025

Study information

Verified date July 2023
Source Assistance Publique - Hôpitaux de Paris
Contact Romain BARTHELEMY, MD
Phone +33 (0)1 49 95 85 15
Email romain.barthelemy@aphp.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The objective of the study is to assess brain tissue perfusion by contrast-enhanced ultrasound perfusion imaging (PerCEUS) in acute brain injuries. More precisely, it aims : - to evaluate the heterogeneity of brain perfusion and thus diagnose brain tissue hypoperfusion with contrast-enhanced ultrasound. - to correlate contrast-enhanced ultrasound with perfusion measurements by usual multimodal monitoring.


Description:

The main aim is to evaluate the heterogeneity of brain perfusion, thus diagnosing brain tissue hypoperfusion with PerCEUS, then to correlate it with the usual multimodal monitoring. Earlier after hospitalization in neurointensive care, when the study physician needs to realize a contrast ultrasound imaging and without delaying any emergency procedure, a PerCEUS will be performed in patients with an acute brain injury. After acquisition, data from PerCEUS will be transferred to an external evaluation unit and analysed offline, using commercially available software Qlab (Philips ®). According to the localization of acute brain injuries with magnetic resonance imaging (MRI) and/or computed tomography (CT), several regions-of-interest (ROI, at least three in each area) will be chosen : - Area 1 : in the core of the lesion (supposed non perfused) - Area 2 : just next to the lesion (supposed hypoperfused) - Area 3 : in the saner hemisphere, symmetrically to area 2 each time it's possible (supposed well-perfused). Every parameters of multimodal monitoring used at the moment of PerCEUS will be relieved : - intracranial pressure (ICP), cerebral perfusion pressure (CPP), mean arterial pressure (MAP) - mean flow velocity (MFV) by transcranial doppler (TCD) - regional cerebral oxygen saturation (rSO2) by Near infrared spectroscopy (NIRS) - jugular venous oximetry (SjvO2). The actual PerCEUS measurement takes place at the bedside, is performed by the study physician, and takes about 5 minutes. The trial duration per patient is 30 minutes, ending after 25 minutes of oversight


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date July 2025
Est. primary completion date July 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Age =18 - Intensive care unit admission for acute brain injury - Proven acute brain injury by CT and/or MRI - Requiring a contrast ultrasound imaging - Informed consent of patient or relative Exclusion Criteria: - Pregnancy - Not sufficient temporal window - Contraindications to Sonovue ® : acute coronary syndromes, severe ischemic heart disease (requiring revascularization), pulmonary arterial hypertension > 90 mmHg, right-left shunt, ARDS, dobutamine's use, known allergy or adverse reaction to Sonovue® - Patient on State Medical Assistance

Study Design


Intervention

Diagnostic Test:
Measuring contrast-enhanced ultrasound perfusion with phase inversion harmonic imaging
Contrast-enhanced ultrasound perfusion imaging (PerCEUS) will be performed by a dedicated study team. The transcranial color duplex sonography will be performed with a 1-5 MHz dynamic sector array (S5-1) from a Philips Epiq 7 ultrasound machine (Philips Healthcare, Andover, MA). The field-of-view will be set to an imaging depth of 150 mm in a sector angle of 90°. The imaging plane will be then tilted to the diencephalic, in which the frontal horns of the side ventricles and the third ventricle serve as landmarks and where the anterior and posterior middle cerebral artery (MCA) territory and the basal ganglia (BG) as region of interest could be identified without artefacts from major vessels. High mechanical index bolus imaging will be performed from the sanest side of the head. Data acquisition of 45 seconds will be recorded immediately after the beginning of the contrast ultrasound imaging, using a mechanical index (MI) setting of 1.1 and a frame rate of 33 Hz.

Locations

Country Name City State
France Lariboisière Hospital Paris

Sponsors (1)

Lead Sponsor Collaborator
Assistance Publique - Hôpitaux de Paris

Country where clinical trial is conducted

France, 

References & Publications (5)

Bilotta F, Robba C, Santoro A, Delfini R, Rosa G, Agati L. Contrast-Enhanced Ultrasound Imaging in Detection of Changes in Cerebral Perfusion. Ultrasound Med Biol. 2016 Nov;42(11):2708-2716. doi: 10.1016/j.ultrasmedbio.2016.06.007. Epub 2016 Jul 27. — View Citation

Eyding J, Fung C, Niesen WD, Krogias C. Twenty Years of Cerebral Ultrasound Perfusion Imaging-Is the Best yet to Come? J Clin Med. 2020 Mar 17;9(3):816. doi: 10.3390/jcm9030816. — View Citation

Eyding J, Krogias C, Wilkening W, Postert T. Detection of cerebral perfusion abnormalities in acute stroke using phase inversion harmonic imaging (PIHI): preliminary results. J Neurol Neurosurg Psychiatry. 2004 Jun;75(6):926-9. doi: 10.1136/jnnp.2003.026195. — View Citation

Fung C, Heiland DH, Reitmeir R, Niesen WD, Raabe A, Eyding J, Schnell O, Rolz R, Z Graggen WJ, Beck J. Ultrasound Perfusion Imaging for the Detection of Cerebral Hypoperfusion After Aneurysmal Subarachnoid Hemorrhage. Neurocrit Care. 2022 Aug;37(1):149-159. doi: 10.1007/s12028-022-01460-z. Epub 2022 Feb 24. — View Citation

Vinke EJ, Kortenbout AJ, Eyding J, Slump CH, van der Hoeven JG, de Korte CL, Hoedemaekers CWE. Potential of Contrast-Enhanced Ultrasound as a Bedside Monitoring Technique in Cerebral Perfusion: a Systematic Review. Ultrasound Med Biol. 2017 Dec;43(12):2751-2757. doi: 10.1016/j.ultrasmedbio.2017.08.935. Epub 2017 Sep 28. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Evaluation of the heterogeneity of brain perfusion by time-to-peak (TPI) measurement Comparison between time-to-peak (TPI) intensities measured in ROIs in each area by PerCEUS 30 minutes after PerCEUS
Primary Evaluation of the heterogeneity of brain perfusion by peak-intensities (PI) measurement Comparison between peak-intensities (PI) measured in ROIs in each area by PerCEUS 30 minutes after PerCEUS
Secondary Correlation between PerCEUS parameters and cerebral perfusion as assessed by ICP and MAP Correlations test between TPI/PI and ICP/CPP/MAP 30 minutes after PerCEUS
Secondary Correlation between PerCEUS parameters and cerebral perfusion as assessed by TCD Correlations test between TPI/PI and MFV 30 minutes after PerCEUS
Secondary Correlation between PerCEUS parameters and cerebral perfusion as assessed by NIRS orrelations test between TPI/PI and rSO2 30 minutes after PerCEUS
Secondary Correlation between PerCEUS parameters and cerebral perfusion as assessed by SjvO2 Correlations test between TPI/PI and SjvO2 30 minutes after PerCEUS
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