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The European Scientific foundation for Laboratory Hemato Oncology (ESLHO) is a scientifically independent foundation that promotes innovation, standardization, quality control and education of laboratory diagnostics focused on lymphoid malignancies, together with the associated consortia EuroClonality, EuroFlow and EuroMRD.

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10th ESLHO Symposium (11-12 November 2021)

The 10th ESLHO Symposium on Monitoring of immunotherapies: Basis for Companion Diagnostics? will take place in Leiden, the Netherlands on 11-12 November 2021. The symposium will start with a half-day session on the IVDR, providing the latest updates on the implementation of this new Regulation.

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EU Regulation on in vitro diagnostic medical devices (IVDR)

The IVDR, which will regulate all in vitro diagnostic medical devices (IVDs) from May 2022 onwards, will have a major impact on IVD manufacturers as well as diagnostic laboratories. To aid laboratories from the ESLHO networks with their preparations for the IVDR, including compliance to the IVDR requirements for in-house devices, ESLHO provides information and support in the form of lectures, symposia, publications and a dedicated web page.


ESLHO is a Scientific Working Group of the European Hematology Association. At the annual EHA Congress, ESLHO presents its innovations in the special EHA-SWG sessions.

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10th ESLHO Symposium: Registration and Abstract submission

Registration is now open for the 10th ESLHO Symposium on Monitoring immunotherapies: Basis for companion diagnostics? (11-12 November 2021, Leiden, NL). The symposium will start with a half-day IVDR workshop. Abstracts for the symposium can be submitted until 17 September 2021. The Scientific Committee will select abstracts for oral presentation and poster presentation sessions. Abstracts submission instructions and template can be downloaded on the "Abstract submission" page.

More information

Questionnaire on the IVDR for diagnostic laboratories

The BioMed Alliance is collecting information from diagnostic laboratories on the current use of IVD tests and preparations for the IVDR. We encourage you to complete their questionnaire, to help them to represent diagnostic laboratories in the process of the IVDR implementation and to enable them to provide relevant information on this important topic to laboratories. Deadline for completing the questionnaire is 8 September 2021.

Link to the questionnaire: see news item of 4 August

New ESLHO website including IVDR page for diagnostic labs

The new ESLHO website is now online. It includes a web page with information on Regulation (EU) 2017/746 on in vitro diagnostic medical devices (the IVDR) and the possibility to submit questions on this topic - focused on diagnostic laboratories and in-house devices.

More information about the IVDR