• 1,400 Staff Worldwide
    Global reach with local knowledge in 50+ countries
  • 19 years old and privately owned
    Join the Tribe
  • 5% staff turnover company-wide
    Guaranteed continuity of study teams, loyalty and accountability
  • 95% of psi studies complete on time
    Saving you money and time to market
PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.
Learn what it's like to be part of the PSI family
PSI is known in the industry as a CRO focused on on-time project delivery. This is achieved through investing substantial effort and MD resources into performing quality feasibility assessments that provide an accurate predictor of study timelines.
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Week 8, 2015

  • PSI initiated enrollment in a phase III study of a novel antihyperglycemic in pediatric patients with type 2 diabetes.
  • PSI reached an interim enrollment target of 600 randomized patients in a phase III study of a novel antibiotic for the treatment of complicated urinary tract infections (cUTI).
  • PSI met an interim enrollment milestone of 250 randomized patients in a phase III study of a novel biological agent for the treatment of polycythemia vera.
  • PSI met an interim enrollment objective of 150 randomized patients in a phase II study of a novel biological agent for the treatment of relapsing-remitting multiple sclerosis.
  • PSI completed the active treatment period in a phase II study of a novel biological agent in patients with gastric cancer.
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4th Annual Outsourcing in Clinical Trials Southeast
March 24-25, 2015, Cary, North Carolina
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“Successful completion of patient recruitment in just over 12 months is a credit to the clinical team which has worked tirelessly to execute this trial within the tight timeline and budget”
Chief Scientific Officer, Australia February 2013
“I’m always impressed with how PSI employees conduct themselves and I frequently hear them say …”that is not a problem” no matter how big or small the request may be.”
Director Clinical Operations US January 2013
"PSI team, we got [drug] approved in US! This would not have been possible without all your efforts and your help. I wanted to thank all of you for this!”
Clinical Project Manager Austria June 2013
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ZUG, Switzerland, March 3, 2015 (BUSINESS WIRE) – PSI CRO, a global full-service contract research organization, was named as a finalist for the 2015 International Clinical Researcher of the Year competition in the Clinical Team of the Year category, organized by PharmaTimes.
This prestigious multi-stage competition was created in 1999 as a … Read More »

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