NIH-funded research NIH-funded research

Ultrasound-triggered ketamine delivery to a brain region to treat chronic pain

Official title: Clinical Translation of Ultrasonic Ketamine Uncaging for Non-Opioid Therapy of Chronic Pain

Funded at Stanford University · NIH-11540446 · Data updated 2026-11-12

A Stanford team is testing a new way to give ketamine exactly where it’s needed in the brain to relieve chronic pain without opioids.

More Chronic Pain research and trials

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionStanford University
NIH-funded
Lab location1 site (Stanford, United States)
Project startMay 16, 2026
Project endDecember 31, 2026
Funding year2026
Award (this year)$409,088
NIH project number3UG3NS115637-04S2
Project IDNIH-11540446 on NIH RePORTER

Who could benefit from this research

Could help

Adults with chronic pain who are candidates for brain-targeted or non-opioid pain therapies and can undergo brain imaging.

Less likely to help

Patients without chronic pain or those unable to undergo ultrasound-targeted brain procedures may not benefit.

What this research studies

This project aims to translate a groundbreaking ultrasound-triggered drug release approach to treat chronic pain by delivering ketamine directly to the anterior cingulate cortex. By using ultrasound to uncage ketamine from safe nanocarriers, the method targets a key brain region involved in pain, potentially reducing systemic side effects. If successful, this could provide a non-opioid option with a more predictable dose response and the possibility of personalized treatment guided by brain imaging.

Why it matters

Potential benefit: If successful, patients with chronic pain could receive effective, non-opioid relief with fewer side effects and better targeting.

How similar studies have gone: Preclinical data support targeted ultrasound-triggered drug release; human translation is in early stages.

Where this research is happening

  • Stanford University
    Stanford, United States
    Active

Researchers

  • Principal investigator: Airan, Raag D — Stanford University
  • Study coordinator: Airan, Raag D

Related research

Other NIH-funded projects on the same topics.

  • Ultrasound-triggered ketamine release to target brain pain circuits

    Using focused ultrasound to release tiny amounts of ketamine directly in a specific brain area to relieve long-term chronic pain without opioids for people with persistent pain.

    NIH research Stanford University · Stanford, United States · NIH-11379707

  • Using ultrasound to activate ketamine for treating chronic pain without opioids

    This study is looking at a new way to help people with chronic pain by using sound waves to activate ketamine in the brain, aiming to ease the emotional struggles that come with pain and improve overall treatment, which could also help those dealing with opioid use issues.

    NIH research Stanford University · Stanford, United States · NIH-11090278

  • Using sound waves to deliver non-opioid pain relief for chronic pain

    This research explores a new way to deliver a non-opioid medication, ketamine, directly to a specific brain area using ultrasound to help people with chronic pain.

    NIH research Stanford University · Stanford, United States · NIH-10899406

  • Motor cortex tricks to ease chronic pain

    A study in rodents and people tests whether non-invasive brain stimulation of the motor cortex can reduce chronic pain and how best to target it.

    NIH research Weill Medical Coll of Cornell Univ · New York, United States · NIH-11621209

  • Human pain center study to map normal and migraine-trigeminal neurons

    A large NIH-funded project will map and study the human trigeminal neurons involved in migraines to understand what changes in these cells during headache conditions.

    NIH research University of Pennsylvania · Philadelphia, United States · NIH-11615140

  • Understanding human pain neurons to improve migraine care

    Researchers are studying human pain-sensing neurons to uncover what makes migraine start and persist, with the goal of better treatments for people who experience migraines.

    NIH research University of Pennsylvania · Philadelphia, United States · NIH-11615139

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.