Trusted and experienced, MedSource is an award-winning clinical research organization that uses strong relationships to deliver high-quality clinical trials and specializes in oncology, neurology and rare diseases.

  • Want to join the MedSource team? Learn more about employment opportunities and working at MedSource, please visit our careers page.
  • Are you a patient searching for a clinical trial? MedSource conducts clinical trials on behalf of Bio-pharmaceutical companies and other clinical trial sponsors. To find opportunities to join an existing clinical trial, please visit the U.S. National Institutes of Health’s database of clinical studies and search for clinical trials actively recruiting new patients.


Corporate Headquarters
16902 El Camino Real, Suite 1A
Houston, TX 77058 USA
Phone: (281) 286-2003
Toll-Free Number: (877) 269-2987

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Cambridge, MA 02142

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Toll-Free Number: (877) 269-2987

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Office 406, Rotterdam House
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40 University Avenue,
Suite 904
Toronto, ON,
M5J 1T1