Please assess the completion status of the following clinical trial:

Trial Title: A Study to Assess the Effect of Ustekinumab (Stelara®) and Etanercept (Enbrel®) in Participants With Moderate to Severe Psoriasis (MK-0000-206)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE1
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Is unlikely to conceive (for female participants of reproductive potential)- Part 2~* Has a diagnosis of predominantly plaque psoriasis for ≥ 6 months-Parts 1 and 2~* Has a plaque-type psoriatic lesion with a Target Lesion Score (TLS) score of ≥ 6 in a hidden area of the body such as the abdomen, thighs, lower back or buttock that is suitable for biopsy- Part 1~* Is considered to be a candidate for phototherapy or systemic therapy - Part 2~* Has a Psoriasis Area and Severity Index (PASI) score ≥ 12 at Baseline - Part 2~* Has psoriasis body surface area (BSA) involvement ≥ 10% at Baseline - Part 2~* Has a Physician's Global Assessment (PGA) of at least moderate disease (moderate, marked, or severe) at Baseline - Part 2~* Is considered to be eligible according to the tuberculosis (TB) screening criteria - Part 2~Exclusion Criteria:~* Has nonplaque forms of psoriasis specifically erythrodermic psoriasis, predominantly pustular psoriasis, medication-induced or medication-exacerbated psoriasis, or new onset guttate psoriasis - Parts 1 and 2~* Women of childbearing potential who are pregnant, intend to become pregnant (within 6 months of completing the trial), or are lactating - Parts 1 and 2~* Has a history of neoplastic disease or concurrent malignancy - Part 2~* Requires oral or injectable corticosteroids during the trial - Part 2~* Have any infection requiring treatment with antibiotics within 2 weeks prior to screening or serious infection requiring hospitalization or treatment with IV antibiotics within 8 weeks prior to screening - Part 2~* Has a positive human immunodeficiency virus (HIV) test result, hepatitis B surface antigen, or hepatitis C test result - Part 2~* Has received live virus vaccination within 4 weeks prior to screening or who intends to receive live virus vaccination during the trial - Part 2~* Has previous exposure to any agents targeting IL-12 and/or IL-23 (e.g. ustekinumab) - Part 2~* Has prior exposure tumor necrosis factor (TNF) antagonists (e.g. infliximab, etanercept, golimumab, adalimumab) and discontinued due to lack of efficacy or for adverse effects - Part 2~* Has been treated with any medications that are associated with Progressive Multifocal Leukoencephalopathy (PML), such as efalizumab (Raptiva) or natalizumab (Tysabri) - Part 2~* Has taken any immunosuppressive agents (e.g. corticosteroids, methotrexate, azathioprine, cyclosporine) for treatment of conditions other than for Psoriasis within 4 weeks of screening - Part 2~* Is currently taking any of the prohibited medications and is unwilling to washout of the medication(s) for the indicated timeframe prior to screening and for the duration of the study - Part 2

- Gender: ALL
- Minimum Age: 19 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Ustekinumab (Type: EXPERIMENTAL): None
- Etanercept (Type: ACTIVE_COMPARATOR): None
- No treatment (Type: NO_INTERVENTION): None

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