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Recruiting NCT03671889

NCT03671889 ExAblate Blood-Brain Barrier (BBB) Disruption for the Treatment of Alzheimer's Disease

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Clinical Trial Summary
NCT ID NCT03671889
Status Recruiting
Phase
Sponsor InSightec
Condition Alzheimer Disease
Study Type INTERVENTIONAL
Enrollment 50 participants
Start Date 2018-09-28
Primary Completion 2028-01

Eligibility & Interventions

Sex All sexes
Min Age 50 Years
Max Age 85 Years
Study Type INTERVENTIONAL
Interventions
Blood Brain Barrier (BBB) Disruption

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 50 participants in total. It began in 2018-09-28 with a primary completion date of 2028-01.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of this study is to evaluate the safety and efficacy of the ExAblate Model 4000 Type 2.0 System as a tool to disrupt the blood-brain barrier (BBB) in patients with probable Alzheimer's Disease (AD).

Eligibility Criteria

Inclusion Criteria: 1. Male or Female between 50-85 years of age 2. Probable Alzheimer's Disease (AD) 3. If taking concurrent Alzheimer's medication, has been on the medication for at least 2 months with a stable dose for at least 3 months 4. Able to communicate sensations during the ExAblate MRgFUS procedure 5. Ambulatory Exclusion Criteria: 1. MRI Findings 2. Presence of unknown or MR unsafe devices anywhere in the body 3. Significant cardiac disease or unstable hemodynamic status 4. Relative contraindications to ultrasound contrast agent or PET amyloid tracer 5. History of a bleeding disorder 6. History of liver disease 7. Known cerebral or systemic vasculopathy 8. Significant depression and at potential risk of suicide 9. Any contraindications to MRI scanning 10. Any contraindication to lumbar puncture for collection of cerebral spinal fluid 11. Untreated, uncontrolled sleep apnea 12. History of seizure disorder or epilepsy 13. Severely Impaired renal function 14. Currently in a clinical trial involving an investigational product or non-approved use of a drug or device or in any other type of medical research 15. Chronic pulmonary disorders 16. Positive human immunodeficiency virus (HIV) 17. Known apolipoprotein E allele (ApoE4) homozygosity

Frequently Asked Questions

Who can join the NCT03671889 clinical trial?

This trial is open to participants of all sexes, aged 50 Years or older, up to 85 Years, studying Alzheimer Disease. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT03671889 currently recruiting?

Yes, NCT03671889 is actively recruiting participants. Visit ClinicalTrials.gov or contact InSightec to inquire about joining.

Where is the NCT03671889 trial being conducted?

This trial is being conducted at Delray Beach, United States, Fort Lauderdale, United States, Gainesville, United States, Miami, United States and 6 additional locations.

Who is sponsoring the NCT03671889 clinical trial?

NCT03671889 is sponsored by InSightec. The trial plans to enroll 50 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology