| 
                   Delaware  
                 | 
                
                   0-27436  
                 | 
                
                   94-3171940  
                 | 
              ||
| 
                   (State
                    or Other Jurisdiction of 
                   Incorporation)  
                 | 
                
                   (Commission
                    File Number)  
                 | 
                
                   (IRS
                    Employer Identification
                    No.)  
                 | 
              
| 
                   400
                    Oyster Point Blvd., Suite 505, South San Francisco,
                    CA  
                 | 
                
                   94080  
                 | 
              ||
| 
                   (Address
                    of Principal Executive Offices)  
                 | 
                
                   (Zip
                    Code)  
                 | 
              ||
| 
                   Registrant’s
                    telephone number, including area code:    
                 | 
                
                   650-244-4990   
                 | 
              ||
| 
                          (Former
                          Name or Former Address, is Changed Since Last
                          Report)  
                       | 
                    
| o | 
                 Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425) 
               | 
            
| o | 
                 Soliciting
                  material pursuant to Rule 14a-12(b) under the Exchange Act (17
                  CFR
                  240.14a-12(b))  
               | 
            
| o | 
                 Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))  
               | 
            
| o | 
                 Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act
                  (17 CFR
                  240.13e-4(c))  
               | 
            
| TITAN PHARMACEUTICALS, INC. | ||
|   | 
                | 
                | 
            
| Date: December 9, 2005 | By: | /s/ Robert E. Farrell | 
| 
                 Name: 
                  Robert E. Farrell  
               | 
            ||
| Title: Chief Financial Officer | ||