Thank you for your interest in OPDC. We're happy to answer questions about our company, and you can also find additional information on our website by clicking on these topics:

• Press Releases
• Otsuka History
• Company Profile
• Careers

Please note that we cannot provide answers to personal medical questions. To obtain such answers you should contact your healthcare provider. Also note that this system is not designed to respond to product complaints.

For questions/comments regarding ABILIFY^®  (aripiprazole) Tablets¹, call (800) 321-1335

For questions/comments regarding PLETAL^® (cilostazol) Tablets² , call Otsuka’s Medical Affairs Department at (800) 441-6763 toll free

For questions/comments regarding ZEGERID ^®  (omeprazole/sodium bicarbonate)³ call (858) 778-0887

For information regarding Otsuka's Adacolumn clinical trials for ulcerative colitis or crohn's disease, call (866) 560-5828 or e-mail adacolumn@robarts.ca

For information regarding Otsuka's Polycystic Kidney Disease clinical trials, call (866) 712-5837

We are not currently enrolling additional patients in Otsuka's Hyponatremia clinical trials, however, please continue to monitor www.clinicaltrials.gov for future information

We are not currently enrolling additional patients in Otsuka's Dry Eye clinical trials, however, please continue to monitor www.clinicaltrials.gov for future information

Corporate Headquarters/General Inquiries
Otsuka Pharmaceutical Development & Commercialization, Inc.
Princeton, NJ 08540
(609) 452-2922 phone
(609) 452-0794 fax

Additional Location:
Rockville, MD 20850
(301) 417-0900 phone (800) 438-6124 toll free
(301) 990-0036 fax

Career Information/Resumes
humanresources@otsuka.com or by mail to:
Human Resources
Otsuka America Pharmaceutical, Inc.
2440 Research Boulevard  Rockville, MD 20850 USA

Media Contact/Public Relations (U.S.)
Debra.Kaufmann@otsuka.com or by mail to:
Corporate Communications
Otsuka America Pharmaceutical, Inc.
2440 Research Boulevard  Rockville, MD 20850 USA

OAPI Medical Information
(800) 441-6763

Questions About Otsuka Pharmaceutical Products (U.S. Residents Only)
Productinfo@otsuka.com

Website Questions
webmaster@otsuka.com