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Could a soda lime canister buy avalanche victims more time?

NCT ID NCT06895759

Knowledge-focused Sponsor: Institute of Mountain Emergency Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a soda lime canister can remove carbon dioxide from the air pocket that forms around a person buried in snow. In an avalanche, the air pocket quickly fills with exhaled CO2, leading to suffocation. 22 healthy volunteers breathed into a simulated snow air pocket with and without the soda lime device. The goal was to see if the device could delay dangerous CO2 buildup and low oxygen levels, potentially increasing survival time.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
soda lime
What this could lead to
If it works, this could point toward a simple device that extends survival time for people buried in avalanches.
What could go wrong
This is a small, early experimental study with only 22 healthy volunteers, not real avalanche victims. Results may not apply in real-world conditions.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

22 people

The number who actually took part.

Started

Mar 2025

Finished

Dec 2025

Lead sponsor

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.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Age: 18 - 60 yrs. * Body mass index \< 30 kg/m2 * ASA class ≤2 * Providing informed and written consent Exclusion Criteria: * ASA \>2 * Pregnancy * Smoking

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Avalanche burial

Contacts and locations

Locations

  • terraXCube

    Bolzano, Italy/BZ, 39100, Italy