The Use of Focused Ultrasound and DCE K-trans Imaging to Evaluate Permeability of the Blood-Brain Barrier
1 other identifier
interventional
15
1 country
1
Brief Summary
The limitation of treating intrinsic brain pathologies has been circumvented with neurosurgical techniques; however, less invasive approaches may be desirable particularly for widespread or multifocal disease and when long term and repetitive administration is required. This study seeks to investigate the efficacy of focused ultrasound. Patients with either low grade gliomas or neurodegenerative dementias will be evaluated for study candidacy. There are no immediate benefits for patients who choose to participate; however, the information gained from this study will contribute to the research base and help patients in similar situations in the future.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jun 2021
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 19, 2019
CompletedFirst Posted
Study publicly available on registry
August 21, 2019
CompletedStudy Start
First participant enrolled
June 11, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 18, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
January 20, 2027
ExpectedMarch 24, 2023
March 1, 2023
4.9 years
August 19, 2019
March 22, 2023
Conditions
Outcome Measures
Primary Outcomes (2)
Adverse Event (AE) & Serious Adverse Event (SAE) Reporting
Per protocol, any suspected adverse events possibly related to the study protocol (e.g., itching, dizziness, headache, or neurological problems) will be tracked and monitored. In the event of a high-grade or serious adverse event, such event will be reported immediately and the study will be discontinued.
24 hours
functional Magnetic Resonance Imaging (fMRI)
Some functional neuroimaging scans (e.g., high resolution T1-weighted images; Arterial Spin Labeling \[ASL\]; Dynamic Contrast Enhanced \[DCE\] perfusion sequences; post-contrast T1-weighted images, Susceptibility Weighted Imaging \[SWI\], T2 weighted imaging, and T2 Flair) will be used to evaluate longitudinal changes in perfusion as an efficacy measure. The scans will be acquired within one hour before and after the study procedures of focused transcranial ultrasound and infusion of definity microbubbles. Voxel-based comparisons showing perfusion values relative to the acquired data range will be used for quantification and comparison of baseline and post-procedure scans.
3 hours
Study Arms (1)
Focused Ultrasound
EXPERIMENTALThe ultrasound treatment will last either 1 hour or 20 minutes total time for the DWL device or Brainsonix Focused Ultrasound Device, respectively.
Interventions
With focused ultrasound, there is an expected accentuation of local perfusion and potential temporary opening of the blood brain barrier with the aim is to provide better delivery of therapeutic agents including medication, particulates and cellular elements for treatment of neoplastic, inflammatory and degenerative brain diseases. The present study seeks to investigate differences in perfusion between areas treated and untreated by this modality in order to further explore its use in clinical application for the treatment of brain disease.
Eligibility Criteria
You may qualify if:
- Subjects undergoing routine, repetitive MRI scanning for monitoring low grade gliomas
- or older
You may not qualify if:
- Cognitive decline with mild cognitive impairment (Clinical Dementia Rating stage 0.5) through moderate dementia CDR stages 1 and 2
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Neurological Associates of West LA
Santa Monica, California, 90403, United States
Related Publications (11)
McDannold N, Vykhodtseva N, Hynynen K. Targeted disruption of the blood-brain barrier with focused ultrasound: association with cavitation activity. Phys Med Biol. 2006 Feb 21;51(4):793-807. doi: 10.1088/0031-9155/51/4/003. Epub 2006 Jan 25.
PMID: 16467579BACKGROUNDMcDannold N, Vykhodtseva N, Hynynen K. Use of ultrasound pulses combined with Definity for targeted blood-brain barrier disruption: a feasibility study. Ultrasound Med Biol. 2007 Apr;33(4):584-90. doi: 10.1016/j.ultrasmedbio.2006.10.004.
PMID: 17337109BACKGROUNDHynynen K, McDannold N, Vykhodtseva N, Jolesz FA. Noninvasive MR imaging-guided focal opening of the blood-brain barrier in rabbits. Radiology. 2001 Sep;220(3):640-6. doi: 10.1148/radiol.2202001804.
PMID: 11526261BACKGROUNDHynynen K, McDannold N, Sheikov NA, Jolesz FA, Vykhodtseva N. Local and reversible blood-brain barrier disruption by noninvasive focused ultrasound at frequencies suitable for trans-skull sonications. Neuroimage. 2005 Jan 1;24(1):12-20. doi: 10.1016/j.neuroimage.2004.06.046.
PMID: 15588592BACKGROUNDHynynen K, McDannold N, Vykhodtseva N, Raymond S, Weissleder R, Jolesz FA, Sheikov N. Focal disruption of the blood-brain barrier due to 260-kHz ultrasound bursts: a method for molecular imaging and targeted drug delivery. J Neurosurg. 2006 Sep;105(3):445-54. doi: 10.3171/jns.2006.105.3.445.
PMID: 16961141BACKGROUNDTreat LH, McDannold N, Vykhodtseva N, Zhang Y, Tam K, Hynynen K. Targeted delivery of doxorubicin to the rat brain at therapeutic levels using MRI-guided focused ultrasound. Int J Cancer. 2007 Aug 15;121(4):901-7. doi: 10.1002/ijc.22732.
PMID: 17437269BACKGROUNDSchlachetzki F, Holscher T, Koch HJ, Draganski B, May A, Schuierer G, Bogdahn U. Observation on the integrity of the blood-brain barrier after microbubble destruction by diagnostic transcranial color-coded sonography. J Ultrasound Med. 2002 Apr;21(4):419-29. doi: 10.7863/jum.2002.21.4.419.
PMID: 11934099BACKGROUNDYoshikawa K, Davies A. Safety of ProHance in special populations. Eur Radiol. 1997;7 Suppl 5:246-50. doi: 10.1007/pl00006901.
PMID: 9370552BACKGROUNDSemelka RC, Ramalho J, Vakharia A, AlObaidy M, Burke LM, Jay M, Ramalho M. Gadolinium deposition disease: Initial description of a disease that has been around for a while. Magn Reson Imaging. 2016 Dec;34(10):1383-1390. doi: 10.1016/j.mri.2016.07.016. Epub 2016 Aug 13.
PMID: 27530966BACKGROUNDTodd DJ, Kay J. Gadolinium-Induced Fibrosis. Annu Rev Med. 2016;67:273-91. doi: 10.1146/annurev-med-063014-124936.
PMID: 26768242BACKGROUNDMcDannold N, Vykhodtseva N, Raymond S, Jolesz FA, Hynynen K. MRI-guided targeted blood-brain barrier disruption with focused ultrasound: histological findings in rabbits. Ultrasound Med Biol. 2005 Nov;31(11):1527-37. doi: 10.1016/j.ultrasmedbio.2005.07.010.
PMID: 16286030RESULT
Study Officials
- PRINCIPAL INVESTIGATOR
Sheldon Jordan, M.D.
Neurologist, NAOWLA
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 19, 2019
First Posted
August 21, 2019
Study Start
June 11, 2021
Primary Completion
April 18, 2026
Study Completion (Estimated)
January 20, 2027
Last Updated
March 24, 2023
Record last verified: 2023-03