Welcome to the HAPIN Trial

The Household Air Pollution Intervention Network (HAPIN) Trial is an international multi-center study aimed at assessing the impact of a liquefied petroleum gas (LPG) cooking stove and fuel intervention on health. HAPIN Trial centers are located in four countries: Guatemala, India, Peru and Rwanda.

The HAPIN Trial was launched in 2017 and will continue at least through 2021. More than 7,200 study participants will help the HAPIN Trial find answers to questions about LPG cookstoves and health.

The trial is funded by the National Institutes of Health (NIH) and the Bill & Melinda Gates Foundation.  Participating NIH components are the National Heart, Lung, and Blood Institute (NHLBI), the National Cancer Institute, the Eunice Kennedy Shriver National Institute of Child Health and Human Development, the National Institute of Environmental Health Sciences, the NIH Common Fund of the NIH Office of the Director, and the Fogarty International Center.  NHLBI leads administration of the trial on behalf of the consortium. The Global Alliance for Clean Cookstoves and the Global LPG Partnership provide expert advice to the consortium.