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Cato Research, Your Reliable Partner

Cato Research (CATO) is an international regulatory and clinical contract research organization (CRO) that has been delivering successful outcomes for its clients since 1988. Through highly qualified and experienced personnel located in offices across North America, Europe, Israel, and South Africa, supported by strategic alliances with selected regional CROs, CATO offers tried-and-trusted international coverage.

CATO has the advantage of integrated regulatory, clinical, and scientific expertise. Our highly talented and experienced international team offers services from preclinical through IND (or equivalent), clinical development, and marketing approval to Phase 4 postmarketing research. Our track record includes successes across many different health products, including drugs, biologics, vaccines, cell therapies (including stem cells), nutriceuticals, medical foods, devices, and diagnostics. In terms of diseases and indications, CATO has been involved in a wide variety of projects with a dominant focus in oncology, neurology/CNS, and rare and orphan drug indications. This experience includes leadership of, and involvement in some of the most challenging and innovative products.

Therapeutic Expertise

What our Sponsors say about us...

“…And a special thank you

"…And a special thank you to you and everyone at CATO.  You have been a very very valuable partner in this journey and we could not have gotten to where we are without you.  I deeply appreciate everything that you and your team at CATO have done for us and I look forward to continuing to have a strong relationship with CATO in the future as well.


Thank you again for all of your help.  We couldn't have done it without you!"

- Pharmaceutical Company Headquartered in Los Angeles, CA

2017-11-21T21:12:43-05:00

- Pharmaceutical Company Headquartered in Los Angeles, CA

"…And a special thank you to you and everyone at CATO.  You have been a very very valuable partner in this journey and we could not have gotten to where we are without you.  I deeply appreciate everything that you and your team at CATO have done for us and I look forward to continuing to have a strong relationship with CATO in the future as well. Thank you again for all of your help.  We couldn't have done it without you!"

“…We have no reservations

"...We have no reservations recommending CATO to other companies requiring assistance with the monitoring of all phases of clinical trials..."

- Global Pharma Co.

2017-11-22T15:48:10-05:00

- Global Pharma Co.

"...We have no reservations recommending CATO to other companies requiring assistance with the monitoring of all phases of clinical trials..."

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Cato Research Blog

  • New FDA Guidances for October 2019 and Upcoming...
    by Cato Research on November 6, 2019 at 3:09 pm

    By Sheila Plant, PhD, MHS, RAC (US), Director, Regulatory Strategy at Cato Research Special Interest Guidances/Information Date Posted Assessing User Fees Under the Generic Drug User Fee Amendments of 2017 – Draft Guidance 01 November 2019 Chronic Hepatitis D Virus Infection: Developing Drugs for […]

  • What’s New Health Canada? August and September...
    by Cato Research on October 18, 2019 at 1:19 pm

    What’s New Health Canada? By Christine Straccini, B.Sc., C.C.R.P., Regulatory Associate What’s New in: Therapeutic Products Directorate: Biologics and Genetic Therapies Directorate: Medical Devices: […]

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