Long Term Study Of Amlodipine 10mg With Hypertension For Whom Amlodipine 5mg Is Insufficient

Long-Term Study For Amlodipine 10mg In Patients With Essential Hypertension For Whom Amlodipine 5mg Is Insufficiently Effective

To investigate the safety and efficacy of the long-term use of amlodipine 10 mg in subjects who will be able to enter a long-term study after completing the parent study "A double-blind comparative study between amlodipine 5 mg and 10 mg in patients with essential hypertension for whom amlodipine 5 mg is insufficiently effective" (Protocol No.: A0531085).

NCT00415623 (protocol A0531085)

Inclusion Criteria:

• Patients who had completed the preceding study A0531085, Phase III study, who the investigator judged to be able to further treatment of long term administration in terms of efficacy and safety
• Patients who had a treatment compliance rate of at least 80%

Exclusion Criteria:

• The patient who met the discontinuation criteria in the preceding study A0531085