No access to biological results in the LëtzHBM study?

As part of the LNS study ‘LëtzHBM’, biological and environmental samples are collected to determine the presence of chemical substances in private households. The results of the biological samples, unlike the environmental samples, are not systematically communicated to the participants. DP MP Dr Gérard Schockmel has asked the Minister of Health why these results are not communicated and whether this is compatible with data protection regulations.

Question

« L’étude nationale de biosurveillance (LëtzHBM), pilotée par le Département de la Protection de la Santé du Laboratoire national de santé (LNS), a été lancée le 5 mars 2025 au Luxembourg. Cette étude vise à analyser la présence de certaines substances chimiques dans des échantillons biologiques (urine, sang et cheveux), ainsi que dans des échantillons environnementaux prélevés au domicile des participants (air, poussière et eau).

Selon les informations publiées sur le site du LNS, les résultats biologiques individuels ne seront communiqués aux participants que si les concentrations mesurées représentent un risque médical avéré. Dans un tel cas, un suivi médical approprié sera mis en place.

Dans ce contexte, j’aimerais poser les questions suivantes à Madame la Ministre de la Santé et de la Sécurité sociale :

  • Madame la Ministre, peut-elle expliquer pourquoi les résultats des analyses biologiques ne sont pas systématiquement communiqués aux participants de l’étude ? Existe-t-il une base réglementaire ou scientifique justifiant cette décision ?
  • Cette procédure est-elle conforme aux principes du Règlement général sur la protection des données (RGPD) ? »

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