The global CRO where clinical trials run 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

DIA China

May 20-23 2019, Beijing, China

Latest whitepapers:


The Seven Deadly Sins of Trial Supply Management

Supply chain logistics can make or break a clinical trial. So how does a CRO partner work with a Sponsor to ensure supplies are properly managed?

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Mindful clinical trials

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

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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. Chief Medical Officer