HEPSERA Post Marketing Surveillance (HEPSERA PMS)

• Number of Participants With an Adverse Event [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  An adverse event (AE) is any untoward medical occurrence in a participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. For a list of all adverse events occurring during the course of the study, please see the table entitled "Other (non-serious) adverse events" in the Adverse Event section of the results record.
  
  

• Number of Participants With a Serious Adverse Event [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  A serious adverse event is any untoward medical occurrence that, at any dose: results in death /is life-threatening; requires hospitalization or prolongation of exixting hospitalization; results in persistent or significant disability/incapacity; is a congenital anomaly/birth defect; or is another medically significant event. For a list of all serious adverse events occurring during the course of the study, please see the table entitled "Serious Adverse Events" in the Adverse Event section of the results record.
  
  
• Number of Participants With the Indicated Unexpected Adverse Events [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]
  An adverse event (AE) is any untoward medical occurrence in a participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Unexpected adverse events include those not listed in the approved product information and not described as precautions or warnings.
  
  

This study is a post-marketing surveillance to monitor safety and efficacy of adefovir dipivoxil and identify SAEs, adverse drug reactions (ADRs), and unexpected AEs not described as precautions or warnings and to identify possible factors that have an effect on the AEs and to assess effectiveness of adefovir dipivoxil in real clinical practices after marketing. The subjects are patients prescribed for adefovir dipivoxil by the investigators at the sites based on prescription information in normal clinical practices.