Evidence map›Paper›PMID 31668690›Full record

ArticleUltrasound in medicine & biology2020

A Clinical System for Non-invasive Blood-Brain Barrier Opening Using a Neuronavigation-Guided Single-Element Focused Ultrasound Transducer.

Antonios N Pouliopoulos, Shih-Ying Wu, Mark T Burgess, Maria Eleni Karakatsani, Hermes A S Kamimura, Elisa E Konofagou

Registry-linked trialOpen access · greenAbstract read
In one paragraph

Article in Ultrasound in medicine & biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04118764 (Neuronavigation-guided Focused Ultrasound-induced Blood-brain Barrier Opening in Alzheimer's Disease Patients), which is not on this map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
6.0field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04118764 nacompletednot on this map

Neuronavigation-guided Focused Ultrasound-induced Blood-brain Barrier Opening in Alzheimer's Disease Patients

TypeinterventionalSponsorColumbia UniversityRan2020 to 2022Enrolled6ConditionsAlzheimer DiseaseArmsNeuronavigation-guided single-element focused ultrasound transducer, Definity, Magnetic Resonance Imaging (MRI) with or without gadolinium contrast agents, Positron Emission Tomography (PET), Amyvid
3 · Its place in the literature

Who cites it

63 citing papers in PubMed, 135 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Review
  5. Focused ultrasound for brain metastases.Neuro-oncology advances · 2026
    Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. SCOUT: Skull-Corrected Optimization for Ultrasound Transducers.Bioengineering (Basel, Switzerland) · 2024
    Article
  16. Feasibility of Hologram-Assisted Bilateral Blood-Brain Barrier Opening in Non-Human Primates.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2024
    Article
  17. Design and Validation of a Patient-Specific Stereotactic Frame for Transcranial Ultrasound Therapy.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2024
    Article
  18. Article
  19. Article
  20. Article

3 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Antonios N PouliopoulosDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA.
Shih-Ying WuDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA.
Mark T BurgessDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA.
Maria Eleni KarakatsaniDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA.
Hermes A S KamimuraDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA.
Elisa E KonofagouDepartment of Biomedical Engineering, Columbia University, New York City, New York, USA; Department of Radiology, Columbia University, New York City, New York, USA. Electronic address: ek2191@columbia.edu.
Columbia University · US

Funding

Assessment of Ultrsound-facilitated Neurotherapeutics in Alzheimer's DiseaseR01AG038961 · NIA · COLUMBIA UNIV NEW YORK MORNINGSIDE · PI KONOFAGOU, ELISA E. · 2011 to 2020
$5.1M
Optimization of ultrasound-facilitated blood-brain barrier openingR01EB009041 · NIBIB · COLUMBIA UNIV NEW YORK MORNINGSIDE · PI KONOFAGOU, ELISA E. · 2008 to 2017
$4.4M
NIA NIH HHS R01 AG038961NIBIB NIH HHS R01 EB009041
6 · The paper itself

Abstract

Focused ultrasound (FUS)-mediated blood-brain barrier (BBB) opening is currently being investigated in clinical trials. Here, we describe a portable clinical system with a therapeutic transducer suitable for humans, which eliminates the need for in-line magnetic resonance imaging (MRI) guidance. A neuronavigation-guided 0.25-MHz single-element FUS transducer was developed for non-invasive clinical BBB opening. Numerical simulations and experiments were performed to determine the characteristics of the FUS beam within a human skull. We also validated the feasibility of BBB opening obtained with this system in two non-human primates using U.S. Food and Drug Administration (FDA)-approved treatment parameters. Ultrasound propagation through a human skull fragment caused 44.4 ± 1% pressure attenuation at a normal incidence angle, while the focal size decreased by 3.3 ± 1.4% and 3.9 ± 1.8% along the lateral and axial dimension, respectively. Measured lateral and axial shifts were 0.5 ± 0.4 mm and 2.1 ± 1.1 mm, while simulated shifts were 0.1 ± 0.2 mm and 6.1 ± 2.4 mm, respectively. A 1.5-MHz passive cavitation detector transcranially detected cavitation signals of Definity microbubbles flowing through a vessel-mimicking phantom. T

Indexed as

TransducersAnimalsBlood-Brain BarrierEquipment DesignHumansNeuronavigationPrimatesUltrasonographyBlood–brain barrierClinical systemDrug deliveryFocused ultrasound

Identifiers

PMID31668690
PMCPMC6879801
OpenAlexW2981777948

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.