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Sound waves aimed at liver and nerves could tame diabetes

NCT ID NCT05354947

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early study tests whether delivering focused ultrasound pulses to the liver and a nearby nerve bundle can improve blood sugar control in people with type 2 diabetes. Thirty adults on stable oral diabetes medications will receive the ultrasound treatment. The main goal is to check for side effects like liver enzyme changes, but researchers will also monitor blood sugar levels to see if the approach shows promise.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
focused pulsed ultrasound delivered via a GE LOGIQ E10 machine
What this could lead to
If it works, this could point toward a non-drug, non-invasive way to help manage blood sugar in type 2 diabetes.
What could go wrong
This is a very early, small pilot study (30 people) focused on safety, not effectiveness. It may not show any meaningful blood sugar improvement, and there is a risk of liver enzyme elevation or low blood sugar.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2022

Expected to finish

May 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male or female subjects with a diagnosis of type 2 diabetes ≥ 3 months. 2. Age ≥ 21 and ≤ 75 years. 3. Currently on a stable treatment regimen of oral anti-diabetic drugs and not currently prescribed for medication escalation. Oral anti-diabetic drugs are limited to one or more of the following: * Metformin * Sulfonylureas * Meglitinides * Thiazolidinediones 4. HbA1c \> 7.0% and \< 10% by local laboratory analysis. 5. Body Mass Index (BMI) ≥ 18 to ≤ 40.0 kg/m2. 6. Considered generally healthy upon completion of medical history, physical examination and biochemical investigations as judged by the Principal Investigator. 7. Female subjects must be non-pregnant and non-lactating and have a negative serum pregnancy test at screening and before the ultrasound session. 8. Ability to provide written informed consent. Exclusion Criteria: 1. History or current diagnosis with T1DM or T2DM subjects on insulin, DPP-4 inhibitors, GLP agonists. 2. A subject who is already indicated for medication escalation of their current diabetic therapy. 3. A subject who has manifestations of advanced complications from poorly controlled or longstanding diabetes such as diabetic retinopathy, diabetic neuropathy and cardiovascular complications including, but not limited to coronary artery disease, peripheral vascular disease, or cerebrovascular disease such as transient ischemic attack \[TIA\], cerebral infarct, or cerebral hemorrhage. 4. History or current diagnosis of cardiac dysrhythmias or heart disease, defined as symptomatic heart failure (New York Heart Association class III or IV), myocardial infarction, unstable angina requiring medication. 5. Invasive cardiovascular procedure, such as coronary artery bypass graft surgery (CABG), or angioplasty/percutaneous coronary intervention (PCI) within 6 months of screening. 6. History of recurrent severe hypoglycemia (more than 1 event ≤ 6 month) 7. Subjects with clinically active malignancy 8. History of renal disease or abnormal kidney function tests at Screening (glomerular filtration rate \[GFR\] \< 60 mL/min/1.73m2 as estimated using the MDRD equation). 9. History or active hepatic disease or clinically significant abnormal hepatic function tests at Screening suggestive of hepatic impairment (e.g., ALT and/or AST \>2 x ULN, GGT \>2 x ULN, total bilirubin \> 1 x ULN). 10. Subjects with a history or presence of any psychiatric disorder that, in the opinion of the Principal Investigator, might confound the results of the trial or pose additional risk in administering the investigational product to the subject. 11. Personal or family history of hypercoagulability or thromboembolic disease, including deep vein thrombosis and/or pulmonary embolism (PE) 12. History of surgical treatment for obesity (bariatric surgery, gastric banding, etc.) or any other gastrointestinal surgery (including appendectomy, cholecystectomy), any malabsorption disorder, severe gastroparesis, any GI procedure for weight loss (including LAP-BAND®), as well as clinically significant gastrointestinal disorders (e.g. peptic ulcers, severe GERD) at Screening. 13. History of any major surgery within 3 months prior to screening. 14. Any nerve stimulation study or implanted stimulator, including previously or currently implanted vagus nerve stimulator, previously or currently implanted spinal cord stimulator, other implanted electronic medical device, such as implanted pacemaker or cardioverter/ defibrillator (AICD) or history of seizures. 15. Participation in an investigational study within 30 days prior to dosing or 5 half-lives within the last dose of the investigational product given during the investigational study, whichever is longer. 16. Current use of any drugs (other than current treatment for diabetes mellitus) that are known to interfere with glucose or insulin metabolism as stated below in table prohibited medication. 17. Thyroid hormone use is not allowed unless medication is given on a stable dose for at least 3 months prior to screening. 18. Subject is unable to tolerate adhesive tape or has any unresolved adverse skin reaction in the area of the glucose sensor placement. 19. Implanted pacemaker or cardioverter/defibrillator (AICD). 20. History of any active infection, incl. COVID19 (as ruled out by negative PCR test), except mild viral disease, such as common cold, within 30 days prior to screening. 21. Known history or positive test for hepatitis B surface antigen (HBsAg), hepatitis C antibody (HCV Ab), human immunodeficiency virus type 1 (HIV-1) or type 2 (HIV-2). 22. History of any recent traumatic injury, including intracerebral hemorrhage and visceral injury. 23. Donation or loss of \> 500 mL of blood or blood product within 2 months prior to screening. 24. Mental incapacity, unwillingness or language barriers precluding adequate understanding and to follow verbal commands during the ultrasound session or cooperation. 25. An abdominal ultrasound scan or exam within 1 month prior to screening and/or any pre-planned ultrasound examinations during the study, or the need to participate in any unplanned outside ultrasound procedures during study. 26. Use of the agents listed in Prohibited Medications Table below (prescription or nonprescription) is prohibited until completion of all study activities. 27. Identification of risk of hypoglycemia or severely uncontrolled diabetes in screening visit metabolic assessments (CGM, OGTT, and fasting blood draws)

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Yale-New Haven Hospital

    RECRUITING

    New Haven, Connecticut, 06510, United States

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