Could a better stove save your lungs? major trial tests clean cooking
NCT ID NCT07005193
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether switching from solid fuels (like coal or wood) to cleaner liquefied petroleum gas (LPG) stoves, and adding kitchen ventilation fans, can reduce indoor air pollution and improve heart and lung health. About 1,200 households in China will be split into four groups: some keep their usual cooking methods, others get LPG stoves, some get vents, and some get both. Researchers will measure air pollution levels and check participants' heart rate variability and lung function over a year.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- liquefied petroleum gas (LPG) stoves and kitchen ventilation fans
- What this could lead to
- If successful, this could show that simple changes like cleaner stoves and vents can prevent heart and lung damage from indoor smoke in low-resource settings.
- What could go wrong
- This is a large trial, but it measures pollution levels and early health changes, not actual disease rates. Results may not apply to other regions or fuel types.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 1,200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Jun 2029
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.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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.
1. Inclusion Criteria Primary Participants： * Aged 18-75 years; * Local permanent residents with no plans for long-term travel or relocation within one year; * Kitchen suitable for installation of ventilation facilities; * Responsible for daily household cooking, cooking ≥5 times per week; * To control for community penetration of pollution, households will be preferentially recruited in naturally ventilated, open villages, avoiding valleys or basins that hinder pollutant dispersion; preference for detached houses with ≥10 m distance from neighboring kitchens and well-sealed doors and windows. Secondary Participants: * Elderly individuals aged 65-75 living with the primary participant; * Children aged 3-6 living in the same household. 2. Exclusion Criteria: * Clinical diagnosis of major chronic diseases such as severe respiratory diseases, cardiovascular diseases, malignant tumors, or end-stage renal disease; * Pregnant or breastfeeding women; * Current smokers or individuals with self-reported exposure to productive dust or other occupational hazards; * Individuals who are unable to fully understand the study process or clearly express their own complaints, such as those with psychiatric disorders or severe neuroses, or who cannot cooperate with the study for other reasons.
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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
3 sites. 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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Hong'an County Health Center
RECRUITINGHuanggang, Hubei, 438000, China
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Longhui County Health Center
NOT_YET_RECRUITINGShaoyang, Hunan, 422000, China
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Suiping County Health Center
NOT_YET_RECRUITINGZhumadian, Henan, 4630000, China
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