A Study in Chinese Mild to Moderate Hypertensive Patients Comparing the Efficacy of Co-Diovan With Diovan.

Inclusion Criteria

• •\- Male or female Outpatients 18 years and older.
• •Patients with hypertension defined as the following:
• •Newly diagnosed hypertensive patients should have a MSDBP \> 95 mmHg and \< 110 mmHg.at Visit 1 and 2, Pre-treated hypertensive patients should have a MSDBP \> 95 mmHg and \< 110 mmHg at Visit 2
• •For entrance into the double-blind treatment period (Visit 3), all patients should have a MSDBP of \> 90 mmHg and \< 110 mmHg
• •Patients must have given written informed consent to participate and be willing to participate in the entire study