Where science runs on time

Meet the global clinical research organization ranked No. 1 by investigators twice in a row.

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Every week we bring you fresh updates, milestones, and developments about the clinical trials we're running all over the world.

Our teams work tirelessly to ensure that we deliver on time and on budget. You will always know what's going on with your study when you work with PSI. That means not losing control over study timelines and budgets.

How we can help you

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Next Event

Outsourcing in Clinical Trials - SoCal

Join the PSI Team in La Jolla at the Southern California Outsourcing in Clinical Trials (OCT) Conference

Sep 26-27 2018, San Diego, CA

Latest whitepapers:


Mindful clinical trials

What does risk-based monitoring have to do with it?

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PSI takes top spot in global CRO survey

2017 CentreWatch investigator survey ranks 12 CROs worldwide.

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Therapeutic areas

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. Sue Cammarata, Chief Medical Officer at Melinta