Can a handheld nerve monitor detect early ICU weakness in healthy people and ICU patients
Official title: ICU CONNECT Trial: A MultIcenter Comparison Cohort Trial EvalUating the Correlation Between nOn-iNvasive EMG and iNvasive EMG in Healthy Volunteers and Critically Ill PaTients
Run by Endeavor Health · NCT07699562 · Data updated 2026-11-12
This study tests whether a non-invasive nerve monitor (TetraGraph) can spot early signs of ICU-acquired weakness by comparing its readings with standard nerve tests in healthy volunteers and ICU patients.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years to 90 Years |
| Sex | All |
| Enrollment | 24 (estimated) |
| Sponsor | Endeavor Health Academic / other |
| Locations | 1 site (Evanston, Illinois) |
| Status | Recruiting |
| Started | June 2026 |
| Main results expected | July 2027 |
| Study ends | September 2027 |
| Registry record updated | July 13, 2026 |
| Trial ID | NCT07699562 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults over 18 and under 90 years old, including healthy volunteers and ICU patients (both non-intubated and intubated) with appropriate consent.
✕Probably not a fit
Some ICU patients may not demonstrate detectable signals that correlate with standard tests, limiting benefit for those individuals.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This prospective, parallel-cohort pilot compares a handheld neuromuscular monitor with standard EMG/NCS testing in three groups: healthy volunteers, non-intubated ICU patients, and intubated ICU patients. Each cohort includes 8 participants, for a total of 24 from Endeavor Health, with testing conducted on days 1, 5, and 10. The study uses each participant as their own control to observe changes in muscle response signals. EMG/NCS procedures are performed by a neurologist and are for research purposes only, not routine care. Enrollment of ICU patients occurs within 72 hours of ICU admission, and non-ICU participants are followed for up to 90 days post-discharge for outcome data.
Why it matters
Potential benefit: If successful, the approach could provide an earlier, non-invasive way to detect ICU-acquired weakness and guide timely interventions.
How similar studies have gone: Prior research has explored non-invasive neuromuscular monitoring, but this exact comparative approach with TetraGraph and EMG/NCS in ICU settings is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Cohort 1: Healthy volunteers Inclusion criteria: * Subjects must be \> 18 years old and \< 90 years old. * Subjects must consent to participate. Cohort 2: Non-intubated critically ill patients Inclusion criteria: * Subjects may be male or female. * Subjects must be \> 18 years old and \< 90 years old. * Subjects must have a POA or next of kin who is able to consent (for those in the ICU and who are unable to consent themselves). Cohort 3: Intubated critically ill patients Inclusion criteria: * Subjects may be male or female. * Subjects must be \> 18 years old and \< 90 years old. * Subjects must have a POA or next of kin who is able to consent (for those in the ICU and who are unable to consent themselves). * For the Subjects in the ICU that are intubated, they must be planned to be intubated for at least 24 hours. * Subjects must be intubated for no longer than ≥ 72 hours before enrollment. Exclusion Criteria: * Cohort 1: Healthy volunteers Exclusion criteria: * Subjects with previous paralysis or neuromuscular disease. * Subjects with spinal cord or brain injuries that impact motor function. * Subjects with an allergy to clinical adhesive or hydrogel. Cohort 2: Non-intubated critically ill patients Exclusion criteria: * Subjects with previous paralysis or neuromuscular diseases. * Subjects with previous peripheral nerve injuries to the tested limbs. * Subjects with spinal cord or brain injuries (including stroke) that impact motor function. * Subjects without a POA or next of kin for those patients that are unable to consent themselves. * Subjects with an allergy to clinical adhesive or hydrogel. Cohort 3: Intubated critically ill patients Exclusion criteria: * Subjects with previous paralysis or neuromuscular disease * Subjects with previous peripheral nerve injuries to the tested limbs. * Subjects with spinal cord or brain injuries that impact motor function. * Subjects without a POA or next of kin for those patients that are in the intubated arm. * Subjects with intubations expected to last less than 24 hours. * Subjects who have already been intubated for \> 72 hours. * Subjects with an allergy to clinical adhesive or hydrogel.
Where it's running
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Endeavor Health
Evanston, Illinois, United States Recruiting
Study contacts
- Principal investigator: Cliodhna Ashe, MD — Endeavor Health
- Study coordinator: Jessica Brickner
- Email: jessica.brickner@endeavorhealth.org
- Phone: 847-570-1197
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.