Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 3B, Multicenter, Randomized, Placebo-Controlled, Double-Blind, Double-Dummy, Study Of The Efficacy And Safety Of Apremilast (CC-10004), Etanercept, And Placebo, In Subjects With Moderate To Severe Plaque Psoriasis
Brief Summary: This study will test the clinical effectiveness and safety of apremilast compared with placebo as well as etanercept compared with placebo in the same group of patients with moderate to severe plaque psoriasis.


Options:
A: Inclusion Criteria:

1. Males and females 18 years of age and older.
2. Clinical diagnosis of psoriasis for at least 6 months as determined by subject interview of his/her medical history and confirmation of diagnosis through physical examination by Investigator.
3. Stable plaque psoriasis for at least 2 months before Screening and at Baseline (Week 0) as determined by subject interview of his/her medical history.
4. Moderate to severe psoriasis defined by ≥ 10 percent Body Surface Area (BSA) involvement at the Baseline (Week 0) visit.
5. PASI (psoriasis assessment and severity index) score of ≥ 12 at the Baseline (Week 0) visit.
6. Subject is a candidate for systemic therapy or phototherapy and has active psoriasis despite prior treatment with topical agents.
7. Women are eligible to participate in the study if they meet one of the following criteria:

   1. Women of childbearing potential who are willing to undergo regular pregnancy testing and agree to use one method of contraception throughout the study are eligible to participate
   2. Women who are postmenopausal (for at least one year), sterile, or hysterectomized are eligible to participate
   3. Women who have undergone tubal ligation are eligible to participate
   4. Women who agree to be sexually abstinent, defined as total abstinence from sexual intercourse, as a form of contraception are eligible to participate in the study.
8. Subject is judged to be in good general health as determined by the Principal Investigator based upon the results of medical history, laboratory profile, physical examination, and 12-lead electrocardiogram (ECG) performed at screening.
9. Able and willing to give written informed consent and to comply with requirements of this study protocol.

Exclusion Criteria:

1. Previous adverse event following exposure to a TNF-alpha antagonist and/or UV phototherapy that led to discontinuation of either of these therapies and contraindicates future treatment.
2. Previous lack of response to a TNF-alpha antagonist and/or UV phototherapy that led to discontinuation of either of these therapies.
3. Diagnosis of erythrodermic psoriasis, generalized or localized pustular psoriasis, medication-induced or medication-exacerbated psoriasis, or new onset guttate psoriasis.
4. Diagnosis of other active skin diseases or skin infections (bacterial, fungal, or viral) that may interfere with evaluation of psoriasis.
5. Cannot avoid UVB phototherapy for at least 14 days prior to the Baseline (Week 0) visit.
6. Cannot avoid psoralen-UVA phototherapy for at least 30 days prior to the Baseline (Week 0) visit and during the study.
7. Cannot discontinue systemic therapies for the treatment of psoriasis, or systemic therapies known to improve psoriasis, during the study:

   * Systemic (investigational or marketed) therapies must be discontinued at least 30 days prior to the Baseline (Week 0) visit except for biologics.

     * All biologics, except ustekinumab, must be discontinued for at least 90 days prior to Baseline (Week 0).
     * The IL-12/IL-23 antagonist ustekinumab (half-life of 45.6 ± 80.2 days) must be discontinued for at least 180 days prior to Baseline (Week 0).
   * Investigational agents must be discontinued at least 30 days or 5 half-lives (whichever is longer) prior to the Baseline (Week 0) visit.
8. Subject is taking or requires oral or injectable corticosteroids during the study. Inhaled corticosteroids for stable medical conditions are allowed.
9. Poorly controlled medical condition, such as unstable ischemic heart disease, congestive heart failure, recent cerebrovascular accidents, psychiatric disease requiring frequent hospitalization, and any other condition, which, in the opinion of the Investigator, would put the subject at risk by participation in the study.
10. History of diabetes mellitus, type 1 or type 2 - note that patients with type 2 diabetes may be enrolled if the duration of diabetes is \<10 years and HbA1c is \<7.0%)
11. Uncontrolled hypertension, with measured systolic blood pressure \>180 mmHg or diastolic blood pressure \>90 mmHg
12. History of demyelinating diseases or lupus.
13. Subject has infection or risk factors for severe infections, for example:

    * Positive serology or known history of HIV, hepatitis B or C, or other severe, recurrent, or persistent infections;
    * Excessive immunosuppression or other factors associated with it, including human immunodeficiency virus infection;
    * Active tuberculosis (TB) disease;
    * Evidence of latent TB infection demonstrated by Purified Protein Derivative (PPD) ≥ 5 mm of induration or positive Quantiferon-GOLD results; except if prophylactic treatment for TB, as recommended by local guidelines, is initiated prior to administration of study drug or if there is documentation that the subject has received prophylactic treatment for TB previously.
    * Any other significant infection requiring hospitalization or intravenous (IV) antibiotics in the month prior to Baseline;
    * Infection requiring treatment with oral or parenteral antibiotics within 14 days prior to Baseline;
    * Subject has received vaccination with Bacille Calmette-Guerin (BCG) within 365 days prior to Screening;
    * Subject has received vaccination with a live viral agent 30 days prior to Screening or will require a live vaccination during study participation including up to 30 days after the last dose of study drug.
14. Subject has history of hematological or solid malignancy other than successfully treated basal cell carcinoma, non-metastatic cutaneous squamous cell carcinoma or cervical carcinoma in situ.
15. Female subject who is pregnant or breast-feeding or considering becoming pregnant during the study.
16. Screening clinical laboratory analyses showing any of the following abnormal results:

    * Hemoglobin (Hgb) \< 10 g/dL in females or \<12 g/dL in males;
    * White blood cell (WBC) count \<2.5 x 109/L

      o Subject can be included if WBC count is \<2.5 x x 109/L and absolute neutrophil count (ANC) is \>1000 cells / mm3.
    * WBC count \> 15 x 109/L;
    * Platelet count \< 100 x 109/L;
    * Serum aspartate transaminase (AST) or alanine transaminase (ALT) \>2.5 upper limits of normal (ULN);
    * Serum total bilirubin ≥2 mg/dL (≥26 µmol/L); or
    * Serum creatinine \>1.6 mg/dL (\>141 µmol/L).
17. Recent history of substance abuse or psychiatric illness that could preclude compliance with the protocol.
18. History of any substance abuse within 365 days of screening visit
19. Alcohol use \>14 drinks per week at the screening visit or within 30 days of the screening period
20. If subject is on cholesterol-lowering medication (e.g. statin), dose and form of medication must be stable for 90 days prior to week 0 and remain stable throughout the duration of the study.
21. History of photosensitivity of medical condition that may be exacerbated by UV exposures such as lupus or dermatomyositis
B: Inclusion Criteria:

* Subjects with chronic, plaque-type psoriasis for at least 6 months
* Must have moderate to severe psoriasis based on PASI greater than 12, IGA greater than 3, and greater than 10% body surface area
* Must be inadequately controlled by prior treatments (topicals, phototherapy, and/or systemic therapies)

Exclusion Criteria:

* Forms of psoriasis other than chronic, plaque-type (such as pustular, erythrodermic and guttate psoriasis)
* Drug induced psoriasis
* Use of other psoriasis treatments during the study
* Prior use of etanercept
* Prior use of secukinumab or any other drug that target IL-17 (interleukin 17) or the IL-17 receptor
* Pregnant or lactating women; women who do not agree to use contraception during the study and for 16 weeks after stopping treatment
* Significant medical problems such as uncontrolled high blood pressure, congestive heart failure, etc.
* History of an ongoing, chronic or recurrent infection or evidence of tuberculosis
* Allergy to rubber or latex

Other protocol-defined inclusion/exclusion criteria may apply
C: Inclusion Criteria:

* Males or females, ≥ 18 years of age
* Diagnosis of chronic, moderate to severe plaque psoriasis for at least 12 months prior to Screening, and a candidate for phototherapy and/or systemic (including etanercept) therapy
* Had an inadequate response, intolerance, or contraindication to at least 1 conventional systemic agent for the treatment of psoriasis.
* No prior exposure to biologics for treatment of psoriatic arthritis or psoriasis

Exclusion Criteria:

* Other than psoriasis, history of any clinically significant and uncontrolled systemic diseases; any condition, including the presence of laboratory abnormalities, which would place the subject at unacceptable risk if he/she were to participate in the study.
* Pregnant or breast feeding.
* Have failed more than 3 systemic agents for treatment of psoriasis.
* History of allergy to any component of the investigational product (IP), including human immunoglobulin (Ig) proteins or allergy to etanercept.
* Hepatitis B surface antigen or anti-hepatitis C antibody positive at Screening.
* Latent, active tuberculosis (TB) or inadequately treated TB; nontuberculous mycobacterial infection or opportunistic infection (eg, cytomegalovirus, Pneumocystis carinii, aspergillosis, Clostridium difficile).
* Have a history of, or ongoing, chronic or recurrent infectious disease
* Have received, or are expected to receive, any live virus or bacterial vaccination within 3 months before first administration of IP, or through Week 20 during the study.
* Had a Bacillus Calmette-Guérin (BCG) vaccination within 1 year prior to screening.
* History of positive human immunodeficiency virus (HIV), or have congenital or acquired immunodeficiency (eg, common variable immunodeficiency disease).
* Active substance abuse or a history of substance abuse within 6 months prior to Screening.
* Malignancy or history of malignancy, except for treated \[ie, cured\] basal cell or squamous cell in situ skin carcinomas and cervical intraepithelial neoplasia \[CIN\] or carcinoma in situ of the cervix with no evidence of recurrence within the previous 5 years.
* Psoriasis flare or rebound within 4 weeks prior to Screening.
* Topical therapy within 2 weeks of randomization or systemic therapy for psoriasis within 4 weeks prior to randomization
* Use of phototherapy within 4 weeks prior to randomization or prolonged sun exposure or use of tanning booths or other ultraviolet (UV) light sources.
* Any investigational drug within 4 weeks prior to randomization, or 5 pharmacokinetic/pharmacodynamic half lives, if known (whichever is longer).
* Prior treatment with apremilast or etanercept.
D: Inclusion Criteria:

* Have had a diagnosis of plaque type psoriasis (psoriasis vulgaris);
* Have plaque-type psoriasis covering at least 10% of total body surface area
* Considered by dermatologist investigator to be a candidate for systemic therapy or phototherapy of psoriasis

Exclusion Criteria:

* Non-plaque or drug induced forms of psoriasis
* Cannot discontinue current systemic and/or topical therapies for the treatment of psoriasis
* Cannot discontinue phototherapy
* Any uncontrolled significant medical condition

Answer: C