About PSR
Ergomed and PSR joined forces together to create a leading orphan drug development expert team that will allow our clients to implement
PSR Orphan Experts is a full service CRO and the leading expert in assisting biotech and pharma companies with orphan drug development. PSR is specialized in designing and executing complex clinical development programs requiring innovative regulatory and clinical approaches in both Europe and the US. Learn more about PSR’s patient focus.
PSR's CRO Services
PSR's Mindset
PSR’s experts are involved, approachable and pro-active. Of course, that’s only one half of the story: we’re also clever and knowledgeable. But such qualities are of little use unless the team-members are also happy and open-minded. If there’s a bump in the road, it’s easier to stay constructive and creative. PSR is committed to deliver a good job, with a lasting impact: for ourselves and for the clients and patients we work with. Want to know why?
PSR's Involvement
People living with a rare disease are at the center of everything we do at PSR. We focus on the rare disease patient, and how to make a positive impact on their lives. Our passion to work in the clinical research industry is to contribute to better health and effective treatments for patients suffering from serious diseases for which often no adequate treatment exists. That is why we are in this business. In various ways we try to help these patients and make their voices heard. Want to learn more on PSR’s involvement with rare disease patients? Click here for our patient engagement activities.
WE
CARE ABOUT RARE!
What Sets us Apart
Unique Skillset
- Unique insight into orphan drug programs to accurately address the specific challenges and project needs that rare disease trials require in order to provide an innovative and solid infrastructure
- Extensive experience in innovative regulatory & clinical development (Pharma, biotech, CRO, Academia)
- Global access to hard-to-find patients in under-served regions
- A regulatory consultancy service to provide complete support for orphan drug related interactions with the EMA and FDA (e.g. Orphan Drug designations, PIP, Protocol Assistance/Scientific Advise)
- A unique site management model that allows for faster recruitment of quality patients and site coordination
- Complete staffing solutions specialising in placing team members with orphan drug experience
Rare disease clinical trials are not just smaller versions of conventional clinical trials and therefore require an innovative approach. By combining Ergomed’s global reach and site management model with PSR’s specialized focus on orphan drug development, we will continue to improve the lives of patients and their families impacted by rare diseases across the world.
Extensive experience
PSR successfully managed over 300 projects in pharma, biotech, CRO and academia, distributed across our various services in different therapeutic areas.
True Partnership
Creating a true partnership with dedication to rare disease patients and our clients, in order to make a positive impact on the lives of people with rare diseases is what drives PSR and its team.
Dedicated
Both PSR’s input on delivering new treatments for rare disease patients and our participation in fundraising activities exemplify our dedication to the rare disease field on a business as well as on a societal level.

Latest News
PRESS RELEASE – Ergomed acquires MedSource, a US-based specialist oncology and rare disease CRO
PSR Orphan Experts, as part of Ergomed plc, is delighted to share the exciting news about Ergomed acquires MedSource, a US-based specialist oncology and rare disease CRO.
Latest Webinar
Did you know...
What percentage of rare diseases lack a FDA approved treatment?
Contact information
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PSR Group
PSR The Orphan Experts
Antareslaan 41
2132 JE Hoofddorp
The Netherlands
Tel +31 (0)23 303 69 00
Email: info@psr-group.com
Click here to contact us!