Please assess the completion status of the following clinical trial:

Trial Title: ACT-128800 in Patients With Moderate to Severe Chronic Plaque Psoriasis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Adult males and females aged 18 to 60 years (inclusive) with moderate to severe chronic plaque psoriasis who require systemic treatment.~Exclusion Criteria:~* Patients with other forms of psoriasis and patients who are currently treated for autoimmune disorders other than psoriasis.~* Systemic or topical treatments for psoriasis other than emollients. Ongoing bacterial, viral or fungal infections.~History or presence of malignancy.~* Additional inclusion and exclusion criteria apply with respect to medical conditions and concomitant treatments which could affect patients' risk from participating in the study.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 60 Years
- Healthy Volunteers: f

Study Arms:
- Investigational drug - Dose 1 (Type: EXPERIMENTAL): None
- Investigational drug - Dose 2 (Type: EXPERIMENTAL): None
- Matching placebo (Type: PLACEBO_COMPARATOR): None

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