Please assess the completion status of the following clinical trial:

Trial Title: Irritable Bowel Syndrome (IBS) Treatment With H1-receptor Antagonists

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

Eligibility Criteria:
Inclusion Criteria:~* Irritable Bowel Syndrome (ROME III criteria)~* age 18-65 years~Exclusion Criteria:~* medication: antidepressants or H1-receptor antagonists~* pregnancy, breast feeding~* co-morbidity: severe kidney- and/or liver disease

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- placebo capsule (Type: PLACEBO_COMPARATOR): None
- ebastine (Type: ACTIVE_COMPARATOR): None

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