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Leon Research

Leon Research

Your CRO in Spain, Italy and Portugal



We have a wide experience on clinical research, developing Phase I to Phase IV clinical trials, studies with medical devices, non interventional and food studies. We work with pharma, biotech, medical device, and food industry companies


Our solutions include all the activities from design, setting up and monitoring of clinical trials and research studies, up to the management of data, statistical analysis and medical writing, covering the whole process to introduce new medical devices and pharmacy products on the market.


We develop our activity throughout Spain, Italy and Portugal from our headquarters located in León (Spain), and offices in Madrid (Spain) and Turin (Italy). Thanks to our extended net of sites and collaborators located wordwide we could offer our services around the world.

This is what our clients say about us:

Always very friendly and open communication, flexible and quick


We have been collaborating for two years now and we are very happy to be working with Leon Research


Thank you for being so committed and for working so hard


The PM provided for the project is very committed, dedicated and responsive. Personal relationship is very good as well


Fantastic team work


Thank you very much to the whole team for the great work


I am really glad to work with your CRA and so much appreciate all her efforts


Thanks to all of you for your contributions to keep this project within timeline


I tell her all the time that I can’t tell the difference as she is efficient no matter where she is


Let’s Check some Leon Research figures

Years of experience
Number of projects involved
% of international clients
Number of open sites

Watch our Video!

By clicking on the right, you will discover what can Leon Research offers you to success on your clinical study. We will offer you our experience and support throughout the whole process from the development of your product until the registration.We will be the expert to walk near you through the research path.

Our Latest Blog Posts

USADE-leon research

Pharmacovigilance Glossary Terms USADE (Unanticipated Serious Adverse Device Effect): Serious Adverse Event, related to medical device use, that has not been previously identified in the current r

SUSAR-leon research

Pharmacovigilance Glossary Terms SUSAR (Suspected Unexpected Serious Adverse Reaction): This term is used in clinical trials to refers to a serious adverse reaction, i.e. any untoward medical occ

SIGNAL-leon research
SIGNAL DETECTION-leon research

Pharmacovigilance Glossary Terms SIGNAL DETECTION: Continuous surveillance procedure, included in the pharmacovigilance system, that assure information concerning plausible new causal relationship

Ready to work together?

Leon Research is a Contract Research Organization (CRO) providing full services in Spain, Italy and Portugal.

Coronavirus (Covid-19)

We encourage home confinement for the good and safety of all.

Please check out the CEO message and the measures taken to guarantee the safety and health of pleapole and the contuinity of our services.

New message from the CEO Last measures taken by Leon Research Contact us