Can hospital codes reliably track home ventilation in ALS?
NCT ID NCT07819890
First seen Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time
Summary
Researchers in Denmark are studying how well hospital codes identify ALS patients who use home mechanical ventilation, both invasive and noninvasive. The study includes about 400 patients with ALS and at least two hospital contacts between 2012 and 2026. By checking the accuracy of these codes, the team aims to describe how home ventilation has been used over time and the clinical characteristics of patients who receive it.
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 the hospital codes prove accurate, researchers could use them to track how breathing support affects ALS patients across Denmark and plan better care.
- What could go wrong
- This study only checks records and does not test a treatment, so it cannot prove that ventilation changes outcomes. Coding errors or missing data could limit what the results show.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 400 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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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.
Who is studied
Patients with amyotrophic lateral sclerosis
- Ages
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18 years and older
- 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: * Patients with at least two hospital contacts from 2012 and 2026 with an ALS diagnosis * Patients with one hospital contacts from 2012 and 2026 with a diagnosis or procedure codes related to mechanical ventilation * Patients with one hospital contacts from 2012 and 2026 with a process marker related to mechanical ventilation (SKS, sundhedsklassifikationssystem) Exclusion Criteria: * None
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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 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.
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