Please assess the completion status of the following clinical trial:

Trial Title: Study of Using Long Acting Antihistamine to Treat Opioid Induced Itching

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

Eligibility Criteria:
Inclusion Criteria:~* Children age 6-18yrs on opioids who develop pruritus and are willing to participate in the study~Exclusion Criteria:~* Children with history of chronic urticaria~* Children with other chronic pruritic condition like eczema, contact dermatitis, psoriasis~* Children with known hypersensitivity to cetirizine/zyrtec~* Children on H1 antihistamine like diphenhydramine, hydroxyzine, cetirizine, loratadine, fexofenadine, chlorpheniramine within the last 7days prior to randomization~* Children who have received Ondansetron within 24hrs prior to randomization~* Children who are on Tricyclic antidepressants~* Children who are unwilling or unable to swallow the capsule.~* Children with chronic liver or kidney disease

- Gender: ALL
- Minimum Age: 6 Years
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- Cetirizine (Type: ACTIVE_COMPARATOR): zyrtec 10mg, oral, one time
- Sugar pill (Type: PLACEBO_COMPARATOR): Placebo, one pill, one time

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