U.S., Jan. 31 -- ClinicalTrials.gov registry received information related to the study (NCT06800976) titled 'Study of Cognitive and Behavioural Biases in People With Idiopathic Environmental Intolerance (IEI) Versus Healthy Controls' on Jan. 24.

Brief Summary: Symptoms that patients attribute to the environment when no environmental cause can be identified are known as "idiopathic environmental intolerance" (IEI). IEI is often associated with a major psychological and socio-professional impact. Specific diagnostic tools and evidence-based treatment programs are still lacking. As a result, IEI patients often feel left behind by physicians and public health policies.

A number of environmental agents are singled out by IEI sufferers, includi...