Smart sensors could revolutionize MG monitoring
NCT ID NCT07226830
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether wearable sensors and smartphone apps can accurately track symptoms of generalized myasthenia gravis (gMG) in 25 people starting treatment with VYVGART. Participants wear sensors to measure activity, speech, and fatigue over 16 weeks. The goal is to see if digital tools can replace some clinic visits for monitoring disease changes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could show that wearable sensors reliably monitor MG symptoms at home, potentially improving remote care and reducing clinic visits.
- What could go wrong
- This is a small, early observational study (25 people) focused on feasibility, not treatment effectiveness. Results may not apply to all MG patients.
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.
- Participants
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About 25 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Individuals with gMG with MGFA severity class IIa/b, IIIa/b or IVa/b who are initiating treatment with VYVGART® or VYVGART Hytrulo®
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Diagnosis of autoimmune MG with or without history of thymoma * MGFA severity class IIa/b, IIIa/b or IVa/b at the screening visit * Diagnosed gMG through one or more of the following: * Positive acetylcholine receptor antibody (AChR Ab) test, or * Abnormal neuromuscular transmission demonstrated by single-fiber electromyography (SFEMG) or repetitive nerve stimulation (RNS), or * Documented positive response to standard MG therapies (e.g., AChE inhibitors, IVIG/PLEX, FcRn antagonists or C5 inhibitors) * Currently initiating treatment with VYVGART® or VYVGART Hytrulo® * Physically and cognitively able to provide informed consent and adhere to the study procedures, as determined by the investigator. * Ambulatory, defined as the ability to walk at least 10 meters independently, with or without the use of an assistive device. * Speaks and reads English fluently Exclusion Criteria: * Inability to perform essential activities of daily living required for independent living, such as dressing, bathing, toileting, or eating without assistance. * Presence of neurological or orthopedic conditions unrelated to MG that, in the investigator's judgment, significantly impair gait or daily functioning. * Any clinically significant medical, laboratory, or psychiatric condition that, in the opinion of the investigator, could interfere with study participation or data integrity. * Current residence in a long-term care or institutional facility (e.g., nursing home, skilled nursing facility), receipt of hospice care, or incarceration. * MGFA severity classification of Class I or Class V (myasthenic crisis). Pregnant or breastfeeding women. * Concurrent participation in another interventional clinical trial (participation in observational studies, biomarker studies, or registries is permitted).
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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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Massachusetts General Hospital, Neuromuscular Diagnostic Center
Boston, Massachusetts, 02114, United States
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