Welcome to Excelya Germany GmbH (formerly KOEHLER eClinical GmbH)!

We are a contract research organization with over 25 years experience in providing clinical research services to the biopharmaceutical industry and life science organizations. 


Since its foundation in 1991, the company has operated as an independent, owner-led speciality CRO for close to 30 years under the ‘Koehler’ brand. Following the retirement of the founder and owner in May 2020, the company has become part of Excelya group (www.excelya.com).

If you are looking for excellence in data management, biostatistics and EDC solutions or plan to conduct
a high quality phase I-IV or non-interventional study
in and outside of Germany KOEHLER eClinical is your reliable partner in study planning, conduct, analysis and reporting.

We are headquartered in Freiburg, with affiliates in Berlin, Konstanz and Mannheim.



News and Events

We proudly announce the publication "Regulatory cell therapy in kidney transplantation (The ONE Study): a harmonised design and analysis of seven non-randomised, single-arm, phase 1/2A trials" in the > Lancet 2020; 395: 1627–39

KOEHLER eClinical has been the CRO partner in this EU-funded study. For further information write to: bd@koehler-eclinical.com
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Major release of our
Vitessa EDC platform:

Version 8.3.0.



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