Study Evaluating Effexor XR for Major Depression.

Inclusion Criteria:

• Patients diagnosed with major depression based on DSM-IV-TR
• Patients having minimal total score of 18 on the HAM-D17 and minimal score of 2 on the item of "depressed mood" at the baseline.

Exclusion Criteria:

• Patients with schizophrenia or any other psychotic disorder
• Patients with history or presence of bipolar disorder