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Effects of LPG and Ventilation Interventions on Reducing HAP and Improving Cardiopulmonary Health

StatusRecruiting
PhaseNot applicable
Started
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Record History

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  1. Interventions: Using liquefied gas for cooking (Behavioral), Using range hood during cooking (Device) to Cooking ventilation facilities (Device), No ventilation during cooking (Behavioral), Using liquefied gas for cooking (Behavioral), Using…v4
  2. Enrollment target: 780 to 1200
    • Interventions: Using liquefied gas for cooking (Behavioral), Using rang hood during cooking (Device) to Using liquefied gas for cooking (Behavioral), Using range hood during cooking (Device)
    • Eligibility criteria expanded, about 30 words
    • Secondary endpoints: 18 to 29
    v3
  3. Trial status: Not Yet Recruiting to Recruiting
    • Enrollment target: 600 to 780
    • Study sites: 0 to 3
    • Start date changed from estimate of Jun 1, 2025 to Jul 1, 2025
    v2
  4. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this clinical trial is to evaluate the independent and synergistic effects of liquefied petroleum gas (LPG) substitution and improved ventilation on household air pollution (HAP) reduction and cardiopulmonary health. The main questions it aims to answer are: 1. Does LPG substitution or improved ventilation reduce HAP and improve cardiopulmonary health? 2. Would the combined intervention of LPG substitution and improved ventilation outperform single interventions? 3. What is the cost-effectiveness of such interventions, and are they sustainable? 4. Does the intervention reduce the incidence of cardiopulmonary clinical events? Participants will be randomized in 4 groups: A: Solid fuel + no ventilation facilities group (300 households): Continued use of solid fuels without installation of ventilation facilities and receipt of standardized health education. No LPG stoves or ventilation equipment will be provided during the intervention period. However, after the primary endpoint assessment at 12 months, all households in Group A will be provided with LPG stoves and ventilation facilities of equivalent specifications free of charge, along with health guidance. Phased cash compensation will be provided during the intervention period. B: Liquefied petroleum gas (LPG) + no ventilation facilities group (300 households): Provided with LPG stoves and instructed to use them during cooking, with regular LPG supply throughout the intervention period. Participants will also receive standardized health education. C: Solid fuel + ventilation facilities group (300 households): Continued use of solid fuels while being provided with ventilation facilities and instructed to use them during cooking. Electricity costs will be compensated during the intervention period. Participants will also receive standardized health education. D: LPG + ventilation facilities group (300 households): Provided with both LPG stoves and ventilation facilities and instructed to use both during cooking. Regular LPG supply and electricity cost compensation will be provided throughout the intervention period. Participants will also receive standardized health education.
Trial Details
NCT Number NCT07005193
Lead Sponsor Huazhong University of Science and Technology
Conditions
(from sponsor)		 Cardiopulmonary Function, Environmental Exposures
Enrollment 1,200 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov