2,200+

employees in more than 60+ countries are dedicated to your success

Focused & Specialized

Clinical trial sponsors working in oncology, hematology, IBD, infectious diseases, multiple sclerosis, and many rare diseases rely on PSI's guidance and experience, knowing we're specialized and committed to delivering some of the most complex clinical projects in the industry. 

Therapeutic areas

Meet the global clinical research organization ranked No. 1

Ranked #1 Global CRO by Investigators Worldwide. CenterWatch 2015-2017

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The PSI Advantage

PSI CRO has received five CRO Leadership Awards across all categories, including Compatibility, Expertise, Quality, Capabilities and Reliability (Overall – Big and Small Pharma). The CRO Leadership Awards are presented by Life Sciences Leader based on research conducted by ISR reports. The awards recognize CROs that are voted by sponsors to meet or exceed their clients’ expectations.

"PSI was flexible to meet the various challenges in clinical trial conduct. The rapid enrollment of patients and the quick study close out allowed on-time study completion." Chief Medical Officer