Please assess the completion status of the following clinical trial:

Trial Title: IV Haloperidol for the Treatment of Headache in the ED

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

Eligibility Criteria:
Inclusion Criteria:~* Emergency Department patients that complain of headache or migraine~* Males and females age 13-55~* English is primary language~Exclusion Criteria:~* Abnormal blood pressure (\>200/100)~* Sudden rapid onsent (normal to worst pain in minutes)~* Fever~* Trauma~* Any history of masses, strokes, head injury or other causes of abnormal anatomy~* QT greater than 450 ms on EKG~* Allergy to Haldon~* Any altered mental status (GCS \<15)~* Pregnancy~* Any abnormalities on neurologic exam~* Any clinician concern that would require CT scan of brain~* Any prisoner or ward of state

- Gender: ALL
- Minimum Age: 13 Years
- Maximum Age: 55 Years
- Healthy Volunteers: f

Study Arms:
- Haloperidol (Type: ACTIVE_COMPARATOR): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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