Serum Chordecone Concentration in Guadeloupean Population: Impact of a Multidisciplinary Support Program on the Reduction of the Contamination Level.

Chlordecone Level

risk factors, pesticides, Guadeloupe, chlordecone

The French West Indies (Guadeloupe, Martinique) are characterized by a major use of pesticides in bananas plantation from the 1950s. These crops used organochlorine insecticides and especially chlordecone (CLD) from 1972 to 1993. The lack of biotic and abiotic degradation of CLD led to persistent soil pollution, contamination of surface and deep waters, of numerous plant and animal, and of the population. The extent and persistence of CLD contamination over time is a major issue for these territories. An internal reference value (0.4μg/l) was recently determined. Although useful for a population approach, it must be used with caution for the interpretation of an individual result. In response to the strong social demand expressed by the population for access to free chlordecone blood tests, a screening program for blood chlordecone test was authorized by the 2019 French Finance Act.

The target populations will receive an invitation letter with an information notice and a consent form. The referral physician will explain the program and the research project and prescribe a standardized blood sample test. Blood samples will be taken in one of the biology laboratories participating in the project. Serum chordecone test will be performed by the Pasteur Institute of Guadeloupe. Blood samples for biological collection will be sent to the Biological Resource Center, Karubiotec™. The result of the chlordécone level will be sent back to each subject with a recommendation note based on the chlordécone level value. Phone contact information for those who consented to the study will be forwarded to the research assistant for the questionnaire.

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Guadeloupe