�DURECT  Corporation  
(Nasdaq:  DRRX)  reported that Pain  Therapeutics  (Nasdaq:  PTIE),  its 
licensee, has submitted an Investigational  New  Drug  (IND)  application to 
the U.S.  Food  and Drug  Administration  (FDA)  for an abuse-resistant opioid              
pain drug candidate based on DURECT's  patented ORADUR(TM)  technology. This  
is the third ORADUR-based  opioid drug candidate covered by DURECT's           
collaboration with Pain  Therapeutics,  for which King  Pharmaceuticals  (NYSE:  
KG)  holds the commercialization rights. Pain  Therapeutics  and King  
Pharmaceuticals  have stated that they expect to denote shortly the 
initiation of a clinical study with this new investigational dose 
candidate.
    
"We  are very pleased with the advancement and f number with which Pain                 
Therapeutics  and King  Pharmaceuticals  ar developing this series of four 
opioids licensed from us," declared James  Brown,  Chief  Executive  Officer  of 
DURECT.  "This  marks another milestone for our ORADUR  technology as a 
versatile platform that provides for the controlled delivery of 
pharmaceuticals that are commonly abused."
    
This  new do drugs candidate is the third ORADUR-based  opioid drug to enter                  
developing. The  first drug nominee, REMOXY(R)  (ORADUR-based  oxycodone), 
submitted a New  Drug  Application  with the FDA  on June  10, 2008 and has been 
granted Priority  Review  Designation  by the FDA.  Pain  Therapeutics  has 
previously proclaimed positive results from a Phase  I  clinical trial for a 
second of these dose candidates. The  active pharmaceutic drug in the                      
second and third ORADUR-based  opioid drug candidate has not been disclosed.
About  ORADUR(TM)  Technology
     
ORADUR  is a proprietary technology designed to transform short-acting 
oral capsule dose forms into sustained liberation oral products, with the 
added welfare of being less prone to pervert (e.g. by stifling or weewee              
extraction) than other controlled release dose forms on the marketplace today.
Corporate  Relationships
     
In  December  2002, DURECT  licensed to Pain  Therapeutics,  Inc.  the right         
to develop and commercialize on a world-wide basis REMOXY  and other oral 
sustained release drug candidates exploitation the ORADUR  technology which 
incorporate quadruplet specified opioid compounds. Under  the license agreement, 
DURECT  is reimbursed for formulation and other work performed under its 
agreement with Pain  Therapeutics,  and will receive extra payments if 
certain development and regulatory milestones are achieved with respect to 
the commissioned drug candidates. In  increase, if commercialised, DURECT  will 
receive royalties for REMOXY  and the other licensed drug candidates of          
betwixt 6.0% to 11.5% of net gross revenue of the drug campaigner depending on sales 
book as substantially as a mark-up on DURECT's  provide of winder excipients used in 
the manufacture of the licensed drug candidates. Pain  Therapeutics                   
sublicensed the commercialization rights of REMOXY  and other licensed dose 
candidates to King  Pharmaceuticals  in November  2005.
About  DURECT  Corporation
     
DURECT  is an emerging long suit pharmaceutical company developing 
innovational drugs for pain and other inveterate diseases, with late-stage                        
development programs including REMOXY(R),  POSIDUR(TM),  ELADUR(TM),  and 
TRANSDUR(TM)-Sufentanil.  DURECT's  proprietary oral, transdermal and 
injectable depot delivery technologies enable unexampled indications and superior 
clinical/commercial attributes such as abuse deterrence, improved 
convenience, compliance, efficacy and safety for small molecule and 
biological drugs. For  more information, please visit http://www.durect.com.
POSIDUR(TM),  SABER(TM),  ORADUR(TM),  TRANSDUR(TM),  and ELADUR(TM)  
are trademarks of DURECT  Corporation.  Other  referenced trademarks belong to          
their respective owners. REMOXY,  POSIDUR,  ELADUR  and TRANSDUR-Sufentanil  
are drug candidates under development and have non been sanctioned for        
commercialization by the US  Food  and Drug  Administration  or other health 
authorities.
DURECT  Forward  Looking  Statement
     
The  statements in this press release regarding REMOXY  and the second         
and third abuse-resistant opioid annoyance medicines under development with King  
Pharmaceuticals  and Pain  Therapeutics,  their potential attributes and 
market potential, development plans and future clinical trials ar                  
forward-looking statements involving risks and uncertainties that lav cause 
actual results to differ materially from those in such forward-looking            
statements. Potential  risks and uncertainties include, just are non limited 
to, DURECT's  (and that of its one-third party collaborators) abilities to         
design, recruit, conduct and complete clinical trials, obtain successful 
results from such clinical trials, complete the design, development, and 
manufacturing process development of the product campaigner, obtain 
regulatory and fabrication approvals from regulatory agencies and                  
construct and market the ware candidate, as well as marketplace 
acceptance of the product nominee. Further  info regarding these 
and other risks is included in DURECT's  Form  10-Q  dated August  8, 2008 
under the head "Risk  Factors."
   
DURECT  Corporation
http://www.durect.com
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