Evaluation of sham non-invasive ventilation for randomized, controlled trials in ALS.
Kirsten L Gruis, Devin L Brown, Kevin J Weatherwax...
https://pubmed.ncbi.nlm.nih.gov/16753973/Actively Recruiting
Led by University of Pennsylvania · Updated on 2026-06-26
48
Participants Needed
3
Research Sites
N/A
Total Duration
Amyotrophic lateral sclerosis ALS is a progressive disease that weakens muscles and often leads to breathing problems, which is the leading cause of death in ALS. This research evaluates the timing and method of starting non-invasive ventilation NIV to assist breathing, as current guidelines vary and are not based on large studies. The study aims to explore early use of NIV in ALS patients before insurance criteria for coverage are met, using a new prediction tool to identify those at high risk of respiratory problems within six months. Participants will be randomly assigned to start early NIV or receive usual care, with the early NIV group receiving ventilation support earlier than current U.S. guidelines suggest. The study will collect data on feasibility, symptoms, carbon dioxide levels, and survival outcomes over about one year. The intervention involves using a ventilation device through a mask to help patients breathe and reduce carbon dioxide in the blood, potentially improving survival. Throughout the study, participants will undergo assessments including quality of life questionnaires, sleepiness scales, breathing function tests, and monitoring of NIV use and hospitalizations. The research team will measure the time to first NIV use, carbon dioxide levels, breathing symptoms, and survival without tracheostomy. Data collected will help plan a larger trial and understand which patients are likely to benefit from early NIV and use it consistently over time.
CONDITIONS
A Clinical Trial of Early Ventilation in Amyotrophic Lateral Sclerosis (EVENT ALS)
J
Jason T Ackrivo, MD, MSCE
R
Rebecca Lang Gallagher, MSEd
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University of Pennsylvania
Lead Sponsor
United States Department of Defense
Collaborating Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Early Non-invasive Ventilation | Usual Care (Delayed/Guideline-Based NIV) |
|---|---|---|
| What it is | Early use of non-invasive ventilation for ALS, offered before typical guideline indications or respiratory symptom worsening. | Standard ALS care where non-invasive ventilation is started when clinical guidelines or symptoms indicate the need. |
| Role in trial | Investigational intervention arm; participants receive the device earlier than usual protocol to test its impact on clinical outcomes. | Comparator arm; participants follow standard guideline-driven care, initiating non-invasive ventilation only when clinically indicated. |
| Primary use | Intended to prevent or slow progression of respiratory failure in ALS by providing mechanical breathing support before symptoms worsen. | Support respiratory function after onset of symptoms or guideline-defined decline; aims to optimize quality of life and survival based on standard timing. |
| How it is given or performed | Non-invasive ventilation is started as soon as possible after trial enrollment, regardless of current respiratory symptoms. | Ventilation is provided only if/when respiratory criteria, guideline-defined levels or symptoms are reached. |
| Evidence status | Randomized controlled trial evidence suggests early NIV can improve respiratory outcomes and quality of life. Evidence on survival benefit remains emerging but promising. | Established practice supported by observational registry studies and guideline recommendations; NIV improves survival and quality of life when started after symptom onset or guideline thresholds. |
| Important limitations | Early-start protocol may increase device use burden, acceptability concerns, and mask symptom progression; evidence for survival advantage is still limited and further follow-up is required. | Later initiation may delay symptom management and miss opportunity for earlier respiratory support; risk that some patients deteriorate before ventilation begins. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Approximately 1 year
Participants are randomly assigned to start early non-invasive ventilation or receive usual care. Those in the early ventilation group will begin using a breathing support device through a face mask earlier than usual guidelines.
Regular visits for assessments and monitoring during the study period
Duration - Up to 1 year
Participants will be monitored for breathing function, symptoms, quality of life, and use of non-invasive ventilation up to about one year after enrollment.
Regular follow-up visits for evaluations
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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https://pubmed.ncbi.nlm.nih.gov/37212068/University of Pennsylvania
Lead Sponsor
United States Department of Defense
Collaborating Sponsor