• 1,400 Staff Worldwide
    Global reach with local knowledge in 50+ countries
  • Exceptional Repeat & Referral Business
    A no-nonsense CRO with proven reputation for high quality and on time delivery
  • 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.
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Learn why PSI will deliver your ID study on time
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 39, 2014

  • PSI met an interim enrollment milestone of 850 randomized patients in a phase III study of a novel antibiotic for the treatment of community-acquired bacterial pneumonia (CABP).
  • PSI met an interim enrollment target of 500 randomized patients in a phase III study of a novel biological agent in multiple myeloma.
  • PSI reached an interim enrollment objective of 700 randomized patients in a phase IV study of a novel antiarrhythmic for the treatment of atrial fibrillation.
  • PSI completed enrollment in a phase II study of a novel biological agent in patients with short bowel syndrome.
  • PSI completed the active treatment period in a phase II study of a novel biological agent in patients with relapsing-remitting multiple sclerosis.



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Outsourcing in Clinical Trials New England 2014
October 7-8, 2014, Boston, MA
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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, September 4, 2014 - PSI CRO, a full-service contract research organization, mentioned today that they are strengthening their clinical trial management approaches in the area of Infectious Diseases.
A therapeutically aligned infectious diseases team will support all ID studies at PSI, focused to provide optimized approaches to patient enrollment. The … Read More »

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