Quality of patch testing patient's own material in patients with suspected occupational skin diseases throughout Germany: Interim results of the German Social Accident Insurance (DGUV) research project FB 317b.

Background: Due to limited availability of commercial test preparations, patch testing patient's own material (POM) is of great importance to diagnose occupational allergic contact dermatitis.

Objectives: To assess the quality of performance and documentation of patch testing with POM in patients with suspected occupational skin diseases (OSD) in Germany.

Methods: Retrospective-prospective analysis of protocols of patch tests with POM was conducted between 2013 and 2021 in patients with suspected OSD and submitted to statutory accident insurance institutions.

Treatment with alitretinoin in patients taking part in a tertiary individual prevention program for work-related skin diseases.

Background: Patients taking part in a tertiary individual prevention program (TIP) for work-related skin diseases frequently have chronic hand eczema (HE) for which alitretinoin is a treatment option.

Objective: To investigate treatment with alitretinoin before and during the TIP and related factors.

Methods: Data of 1614 patients taking part in the TIP between January 2015 and December 2019 were analyzed retrospectively.