Medidata Solutions Achieves 27th Quarter of Consecutive Growth

    Company Strengthens Market Position with New Customer Engagements,
Strategic Partnerships and Thought Leadership on Key Industry Initiatives

    NEW YORK, November 21 /CNW/ - Medidata Solutions, a global leader in
electronic data capture (EDC), management and reporting solutions, today
announced the company's 27th quarter of consecutive growth. Medidata closed Q3
2007 with a 60 percent year over year revenue growth and signed 12 new
customers, with eight secured through Medidata's ASPire to Win(R) CRO partner
program. The company also added 22 follow-on contracts from existing
customers.

    Medidata Solutions continued to strengthen its market position with key
customer wins signed in the third quarter, including Wyeth Pharmaceuticals'
selection of Medidata Rave(R) as its enterprise-wide EDC solution, as well as
a new ASPire to Win partnership with EPS, one of Japan's largest contract
research organizations (CRO).

    Additional company highlights include:

    --  New partnerships: PHT Corporation integrated their LogPad(R) ePRO
system with Medidata Rave EDC and clinical data management platform. The new
eClinical solution was implemented by Sucampo Pharmaceuticals to maximize
efficiencies for a study of gastrointestinal (GI) compound for the pediatric
population.

    --  Key appointments: Medidata announced several key members of its
executive team, including Dr. Barton Cobert as Vice President of Global
Regulatory Initiatives and Pharmacovigilance, Frances Nolan as Vice President
of Global Quality Assurance and Dr. Tony Hewer as Senior Director of Global
Quality Assurance for EMEA.

    --  Company recognition: Medidata was honored with the Inc. 5,000 award,
placing 13th in the Inc. 5,000 New York, New Jersey and Long Island region,
14th in the Inc. 5,000 software industry category and 173rd in the overall
Inc. 5,000. Medidata CEO Tarek Sherif was also named among the PharmaVOICE 100
list of the top inspirational people in the life sciences industry.

    --  Webinar series: United BioSource Corporation, Medidata and Tessella
delivered three more presentations as part of the popular "Enabling Adaptive
Clinical Trials" webinar series - covering topics including adaptive trial
design and simulation, EDC and CDMS and IVRS/IWRS, randomization and drug
supply.

    --  Global speaking engagements: Medidata executives delivered
presentations at a range of industry events including CDISC 2007 Interchange,
The Center for Business Intelligence 10th Registries and Post Approval Studies
Congress, The Regulatory Compliance Workshop Groups Solving the Problems in
Designing, Implementing and Managing SOPs for Clinical Research,
Pharmaceutical Contract Management Group (PCMG) and Association for Clinical
Data Management (ACDM) Meeting and the Society for Data Management 2007 Fall
Conference.

    "During this quarter, Medidata Solutions has made impressive gains
through notable customers wins and extended relationships with existing
customers," said Tarek Sherif, CEO of Medidata Solutions. "In addition to our
expanding client and partner base due to the success of Medidata Rave, the
industry-leading EDC, management and reporting solution, we have also
continued paving the way for innovation in adaptive clinical trials, Late
Phase trials and beyond - all of which are vital to enabling life sciences
companies to safely and efficiently improve quality of life."

    About Medidata Solutions Worldwide

    Medidata Solutions helps the world's leading pharmaceutical,
biotechnology, medical device and research organizations maximize the value of
their clinical research investments. Innovative process design, technology and
services streamline clinical trials by providing early visibility to reliable
clinical data - the lifeblood of every research organization. Working with
companies and institutions both large and small, Medidata Solutions helps
clinical researchers safely accelerate the process of bringing life-enhancing
treatments to market - on six continents and in more than 80 countries.
Medidata Solutions brings significant value to its broad client base with deep
clinical experience and expertise in more than 20 therapeutic areas, projects
in Phase I, II, III, IV, registries and surveillance, and studies with
thousands of investigators and tens-of-thousands of subjects. For more
information, please visit www.mdsol.com.

For further information:

For further information: Lois Paul & Partners Susan Lombardo,
781-782-5767 Susan_Lombardo@lpp.com