Toolkit/Low-Intensity Focused Ultrasound Stimulation

Low-Intensity Focused Ultrasound Stimulation

Also known as: LIFU

Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Low-Intensity Focused Ultrasound Stimulation (LIFU) is a noninvasive and nondestructive neuromodulatory method with growing evidence for the safe and effective treatment of chronic pain.

Usefulness & Problems

No literature-backed usefulness or problem-fit explainer has been materialized for this record yet.

Published Workflows

Objective: Systematically assess the current state of spinal-region low-intensity focused ultrasound for neuropathic pain-related applications.

Why it works: The review narrows the literature to studies most relevant to spinal-region, non-destructive focused ultrasound neuromodulation for neuropathic pain by applying explicit inclusion and exclusion criteria after a multi-database search.

systematic literature searchtitle and abstract screeninginclusion and exclusion filteringcitation matching

Stages

  1. 1.
    multi-database literature search(in_silico_filter)

    This stage establishes the candidate evidence pool before applying narrower eligibility criteria.

    Selection: Search PubMed, Web of Science, Scopus, and citation matching for studies relevant to spinal-region LIFU through December 17, 2024.

  2. 2.
    eligibility screening by inclusion and exclusion criteria(decision_gate)

    This stage narrows the search results to the specific evidence class the review aims to summarize.

    Selection: Include English-language, non-tissue-damaging ultrasound neuromodulation studies with intervention over the spinal cord region and relation to neuropathic pain.

  3. 3.
    title and abstract screening to final included set(hit_picking)

    This stage produces the final set of studies summarized in the scoping review.

    Selection: Retain studies meeting the review's screening criteria after title and abstract review.

Steps

  1. 1.
    search bibliographic databases and citation links

    Assemble a broad candidate set of studies on spinal-region LIFU.

    Coverage must be established before relevance filtering can be applied.

  2. 2.
    apply inclusion criteria for spinal-region non-destructive neuromodulation studies

    Retain studies directly relevant to the review question.

    After broad retrieval, the review narrows to studies matching the intended intervention class, anatomical region, and disease relevance.

  3. 3.
    exclude off-scope ultrasound and non-primary experimental formats

    Remove studies that would confound the review's focus on focused, non-destructive, in vivo spinal-region neuromodulation.

    Counterselection follows inclusion logic to prevent broader ultrasound modalities or non-comparable evidence types from entering the final synthesis.

  4. 4.
    screen titles and abstracts to identify included studies

    Produce the final included study set for synthesis.

    This is the final narrowing step described in the abstract after search and eligibility logic.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A delivery strategy grouped with the mechanism branch because it determines how a system is instantiated and deployed in context.

Target processes

recombinationselection

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1evidence gapsupports2025Source 1needs review

The review found limited animal studies and no completed human clinical trials analyzing the effect of LIFU on spinal neural tissue.

There are limited animal studies and no completed human clinical trials that analyze the effect of LIFU on spinal neural tissue.
Claim 2evidence gapsupports2025Source 1needs review

The review highlights wide variation in sonication parameters, inconsistent treatment effects, and unexplored mechanisms of action as major reasons further efficacy and safety studies are needed.

Our review highlights the need for further study in the efficacy and safety of LIFU applied to the spinal region of animals and humans, given the wide variation in sonication parameters, inconsistent treatment effects, and unexplored mechanisms of action.
Claim 3evidence gapsupports2025Source 1needs review

The review states that no study has yet optimized ultrasound parameters for the spine region or thoroughly correlated spinal targets with desired outcomes.

Further, there has not been a study that aims to optimize ultrasound parameters in the spine region or a thorough investigation correlating targets in the spinal regions to the desired outcome.
Claim 4review summarymixed2025Source 1needs review

Across the reviewed animal studies, spinal-region LIFU was reported to reduce allodynic response and suppress movement disorders such as spasticity and tremor, although results varied by target site and ultrasound parameters.

While results varied with different target sites and ultrasound parameters, LIFU was found to reduce allodynic response and suppress movement disorders such as spasticity and tremor.
Claim 5review summarysupports2025Source 1needs review

This scoping review identified 15 included studies of spinal-region low-intensity focused ultrasound, and all were animal-model studies.

Preliminarily, title and abstract screening identified 15 studies, all using animal models.

Approval Evidence

1 source5 linked approval claimsfirst-pass slug low-intensity-focused-ultrasound-stimulation
Low-Intensity Focused Ultrasound Stimulation (LIFU) is a noninvasive and nondestructive neuromodulatory method with growing evidence for the safe and effective treatment of chronic pain.

Source:

evidence gapsupports

The review found limited animal studies and no completed human clinical trials analyzing the effect of LIFU on spinal neural tissue.

There are limited animal studies and no completed human clinical trials that analyze the effect of LIFU on spinal neural tissue.

Source:

evidence gapsupports

The review highlights wide variation in sonication parameters, inconsistent treatment effects, and unexplored mechanisms of action as major reasons further efficacy and safety studies are needed.

Our review highlights the need for further study in the efficacy and safety of LIFU applied to the spinal region of animals and humans, given the wide variation in sonication parameters, inconsistent treatment effects, and unexplored mechanisms of action.

Source:

evidence gapsupports

The review states that no study has yet optimized ultrasound parameters for the spine region or thoroughly correlated spinal targets with desired outcomes.

Further, there has not been a study that aims to optimize ultrasound parameters in the spine region or a thorough investigation correlating targets in the spinal regions to the desired outcome.

Source:

review summarymixed

Across the reviewed animal studies, spinal-region LIFU was reported to reduce allodynic response and suppress movement disorders such as spasticity and tremor, although results varied by target site and ultrasound parameters.

While results varied with different target sites and ultrasound parameters, LIFU was found to reduce allodynic response and suppress movement disorders such as spasticity and tremor.

Source:

review summarysupports

This scoping review identified 15 included studies of spinal-region low-intensity focused ultrasound, and all were animal-model studies.

Preliminarily, title and abstract screening identified 15 studies, all using animal models.

Source:

Comparisons

No literature-backed comparison notes have been materialized for this record yet.

Ranked Citations

  1. 1.

    Seeded from load plan for claim cl1. Extracted from this source document.