Please assess the completion status of the following clinical trial:

Trial Title: A Preliminary Study to Explore Clinical Endpoints in Patients (Male) With Diarrhea-predominant Irritable Bowel Syndrome

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

Eligibility Criteria:
Inclusion Criteria:~* Patients meeting the Rome III Diagnostic Criteria~* Loose (mushy) or watery stools within the last 3 months~Exclusion Criteria:~* Patients having hyperthyroidism or hypothyroidism

- Gender: MALE
- Minimum Age: 20 Years
- Maximum Age: 64 Years
- Healthy Volunteers: f

Study Arms:
- Ramosetron group (Type: EXPERIMENTAL): oral
- Placebo group (Type: PLACEBO_COMPARATOR): oral

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