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Sylvana Research Associates is a full service Phase I-IV clinical investigational site located in the heart of the South Texas
Medical Center in San Antonio, Texas (now the 8th largest city in the United States).

Sylvana Research Associates was founded by Paul H. Ratner, M.D., M.B.A.
in 1984 and Dr. Ratner continues to serve as President
and medical director. Since 1984 Sylvana Research associates has been involved in over 500 clinical trials in the therapeutic
areas of rhinitis,
asthma, COPD, hypertension, pain,GERD and dermatologic conditions( such as atopic dermatitis,psoriasis,actinic keratosis, and
acne)

Occupying 4500 square feet with complete staffing and services we have collaborated with large number of sponsors. Feel free
to browse our website for more detailed information about our staff, facilities, experience in pharmaceutical
research as well as Dr. Ratner's publications and experience in clinical trial design and as an advisor to many pharmaceutical
sponsors.

We look forward to working with you and developing a successful long term relationship.
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