Center Overview
Unlimited Research is an experienced Orthopedic research site which focuses on Phase I/II, II, IIb, III and IV research trials. Our goal is to assist Pharmaceutical Companies and Sponsors in the research and development of new medications, medical therapies and devices, while providing high quality care and safety to our patients.
Our site takes pride in the fact that we are able to build strong, solid relationships with not only our peers, but also our patients, by providing a 24 hour, 7 day a week access line in which our patients and colleagues may contact us. It is because of our excellent rapport with our patient population that our site has achieved "Top National and International Enroller" status on numerous trials.

Clinical Research Experience
Unlimited Research has worked with various companies and sponsors including: Abbott, Bayer, Boehringer-Ingelheim, Bristol-Myers Squibb, Covance, Daiichi Medical Research, Inc., Encore, GlaxoSmithKline, Guilford, Genzyme, ICON, Kendle International, Novartis, Omeron, Osiris Therapeutics, Pfizer, Portola, PPD, PRA International, and Purdue.
Our Phase I/II, II, IIb, III and IV protocols include the following areas of expertise:
- Deep Vein Thrombosis
- Total Knee Replacement
- Total Hip Replacement
- Arthritis of the Shoulder
- Rotor Cuff tear of the Shoulder
- Meniscus Tear
- Osteoarthritis of the knee
- Osteoarthritis of the hip
- Osteoarthritis of the shoulder
- ACL Reconstruction
- Chronic Low Back Pain
- Post Operative Pain for Knee Replacements
- Sedation Trials for Minor Surgery
- Hypertension
- High Cholesterol
- Diabetes
- Allergy
- Asthma
- Women's studies
- Male/Female Sexual Disorders
- Dermatology
- Weight loss
- Psychiatric
- Depression
- Osteoporosis
- Acute/Chronic pain

Facility Description
Unlimited Research is equipped with:
- Exam Rooms
- On-site lab (all staff is IATA certified)
- Sphygnomenometers
- Locked/secured and temperature controlled drug storage with limited access
- -20 degree freezers
- Dry ice
- Calibrated centrifuges
- Refrigerated centrifuges
- CRF storage (secured with limited access)
- X-ray
- 12-lead ECG machine with interpretation
- High-speed internet for EDC trials
- Scale

Currently Enrolling Trials
CenterWatch is listing the following trials that are actively recruiting patients at this center.

Contact Information
For more information, please contact:
Rhonda Seward, RN
Clinical Research Director
Unlimited Research
8711 Village Drive, Suite 201
San Antonio, TX 78217 USA
Phone: 210-477-5160
Fax: 210-477-7237
E-mail:
If you are interested in contacting this center to discuss placing a clinical trial there, please complete and send the E-mail form below. A representative from the research center will then follow up with you.