Please assess the completion status of the following clinical trial:

Trial Title: Calcium Channel Blockers (CCBs) or Diuretics as an Add-on to Olmesartan Medoxomil in Hypertension

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Mean seated blood pressure greater than or equal to 140/90 mmHg under circumstances in pre-treatment with olmesartan medoxomil~* Mean 24-hour blood pressure evaluated by ambulatory blood pressure monitoring greater than or equal to 135/80 mmHg under circumstances in pre-treatment with olmesartan medoxomil~Exclusion Criteria:~* Patients with secondary hypertension~* Any serious disorder which may limit the ability to evaluate the efficacy or safety of the test drugs

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 74 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: EXPERIMENTAL): olmesartan medoxomil tablets and a CCB tablet (of the dihydropyridine class), once daily for 8 weeks
- 2 (Type: EXPERIMENTAL): olmesartan medoxomil and a diuretic tablet (of the thiazide class)

Based on this trial design, predict the completion outcome and termination type (if applicable).