Let's meet for coffee

Schedule a meeting or connect with me on LinkedIn to discuss your upcoming study and how PSI can help.

Rhonda Critchlow

Senior Director, Operations
Mobile: (574) 309-1426

Global CRO focused on pivotal Phase 2 and 3 trials

As a leading oncology CRO, we have diverse experience in various classes of small molecules and biologics across a broad spectrum of cancers, including lung, breast, GI, GU, skin, leukemias, lymphomas, multiple myeloma, and MPNs. We work collaboratively with our Valued Sites to develop streamlined processes which decrease start-up timelines and promote efficiencies for our sponsors, sites, and PSI.

Learn more with the resources below

Our mission is to be the best CRO in the world as measured by our employees, clients, investigators, and vendors.

Find out how PSI helped one of our partners cut their startup timelines in half on a global HemOnc study.

Running oncology studies globally. We plan and execute seamless clinical trials with novel study designs.
PSI is one, if not the only, CRO that has been engaged extensively in gene therapy trials by half a dozen biotech sponsors.
The challenges of rare disease research, a global approach. Predictability in rare disease clinical trials.


For radiopharmaceutical clinical trials, cooperation and coordination on a global scale is a must.