NCT06707727

Brief Summary

The goal of this observational study is to learn about the characteristics and prognostic outcomes of diaphragmatic ultrasound in myasthenia gravis. The main question it aims to answer is: Does diaphragmatic ultrasound predict prognosis of myasthenia gravis in six months? Participants diagnosed as myasthenia gravis will take the diaphragm ultrasound examinations.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
1mo left

Started Jul 2024

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress93%
Jul 2024Jun 2026

Study Start

First participant enrolled

July 1, 2024

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

November 25, 2024

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 27, 2024

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Expected
Last Updated

November 27, 2024

Status Verified

November 1, 2024

Enrollment Period

1.5 years

First QC Date

November 25, 2024

Last Update Submit

November 25, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • QMG changes

    6 months

Secondary Outcomes (2)

  • Changes in medication type or dose

    6 months

  • respiratory infection

    6 months

Study Arms (2)

myasthenia gravis

controls

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients who seek treatment at the First Affiliated Hospital of Chongqing Medical University and have fluctuating skeletal muscle weakness and at least one of the following three conditions will be included: positive reaction to cholinesterase inhibitors; Serum positive antibodies against acetylcholine receptors, muscle specific kinases, or lipoprotein related proteins; Repeated electrical stimulation examination showed a decrease in wave amplitude.

You may qualify if:

  • : Patients who seek treatment at the First Affiliated Hospital of Chongqing Medical University and have fluctuating skeletal muscle weakness and at least one of the following three conditions will be included: positive reaction to cholinesterase inhibitors
  • : Serum positive antibodies against acetylcholine receptors, muscle specific kinases, or lipoprotein related proteins
  • : Repeated electrical stimulation examination showed a decrease in wave amplitude.

You may not qualify if:

  • : Patients with lung disease or heart failure, or a history of non-invasive ventilator or tracheotomy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Chongqing Medical University

Chongqing, Chongqing Municipality, 400016, China

Location

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
6 Months
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof.Fei Xiao

Study Record Dates

First Submitted

November 25, 2024

First Posted

November 27, 2024

Study Start

July 1, 2024

Primary Completion

December 31, 2025

Study Completion (Estimated)

June 30, 2026

Last Updated

November 27, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will share

Locations