Please assess the completion status of the following clinical trial:

Trial Title: Phase 1b Study in Patients With Short-Lasting Unilateral Neuralgiform Headache Attacks (SUNHA)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~\* Diagnosed with chronic SUNHA~Exclusion Criteria:~\* Other comorbidities

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Psilocybin (Type: EXPERIMENTAL): None

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