Please select the eligibility criteria that correspond to the clinical trial below.
Title: Phase 3 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study Of The Efficacy And Safety Of 2 Oral Doses Of CP-690,550 In Subjects With Moderate To Severe Chronic Plaque Psoriasis
Brief Summary: The main objective of this study is to compare the effects of CP-690,550 with the effects of placebo in patients being treated for moderate to severe chronic plaque psoriasis. This one-year study will also evaluate the safety and tolerability of CP-690,550 versus placebo.


Options:
A: Inclusion Criteria:

* Are 18 years or older with diagnosis for at least 12 months of moderate to severe plaque psoriasis covering as least 10%of body surface area
* a Psoriasis Area and Severity Index (PASI) score of 12 and are considered to be candidates for systemic or light therapy
* No evidence of active or latent tuberculosis

Exclusion Criteria:

* Non-plaque or drug induced forms of psoriasis
* cannot discontinue current oral, injectible or topical therapy for psoriasis or cannot discontinue phototherapy (PUVA or UVB)
* any uncontrolled significant medical condition
B: Inclusion Criteria:

* Body Mass Index (BMI) of 17 to 40 kg/m2
* Subjects must have two comparable psoriatic lesions measuring between 9 and 100 cm2 and these target lesions must be similar in size to each other, and separated by at least 15 cm.

Exclusion Criteria:

* Subjects with lesions solely involving the palms of the hands or soles of the feet or intertriginous areas, the scalp or the face.
* Subjects with pustular psoriasis or erythroderma.
* Subjects currently on other topical agents or UVB therapy within 2 weeks of the first dose of study medication.
* Subjects receiving PUVA within 4 weeks of the first dose of study medication.
* Subjects receiving systemic retinoids, etanercept, adalimumab or efalizumab or oral immunosuppressives within 3 months prior to the first dose of study medication.
* Subjects receiving any other biological therapy (infliximab, alefacept, abatacept, etc) within 3 months of the first dose of study medication.
C: Inclusion Criteria:

* Plaque-type psoriasis diagnosed \>= 6 months prior
* Plaque-type psoriasis covering at least 10% of total body surface areas
* Psoriasis area-and-severity index score of \>=12 at screening and baseline
* Considered by treating dermatologist to be a candidate for phototherapy or systemic treatment of psoriasis
* Women of childbearing potential and all men must agree to use adequate birth control measures throughout the trials and for 12 months following the last injection of study agent
* Have no history of latent or active tuberculosis (TB)

Exclusion Criteria:

* Currently have nonplaque forms of psoriasis or drug-induced psoriasis
* Women who are pregnant or nursing, or men and women planning pregnancy while enrolled in the study
* Patients who have used any therapeutic agent targeted at reducing IL-12 or IL-23
* Patients who have had a Bacillus Calmette-Guerin (BCG) vaccination within the previous 12 months prior to screening
* Patients who have a history of chronic or recurrent infectious disease or who have or have had a serious infection requiring hospitalization or intravenous antibiotics within the previous 2 months prior to screening
* Patients who have or ever have had a nontuberculous mycobacterial infection or opportunistic infection
* Patients known to be infected with human immunodeficiency virus (HIV), hepatitis B, or hepatitis C
* Patients who have current signs or symptoms of severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal, endocrine, pulmonary, cardiac, neurologic, cerebral, or psychiatric disease
* Patients with a malignancy or who have a history of malignancy (with the exception of certain skin cancers and pre-invasive cervical cancer)
* Patients participating in another trial using an investigational agent or procedure
* Systemic immunosuppressants within 4 weeks of the first administration of study agent
D: Inclusion Criteria:

Key Inclusion Criteria for Healthy Subject Cohorts:

* Healthy male subjects and/or female subjects of non-childbearing potential between the ages of 18 and 55 years, inclusive
* No evidence of active or latent or inadequately treated infection with Mycobacterium tuberculosis (TB)

Key Inclusion Criteria for Psoriasis Subject Cohorts:

* Male subjects and/or female subjects of non-childbearing potential with a diagnosis of plaque psoriasis who are between the ages of 18 and 65 years, inclusive
* Have a diagnosis of plaque psoriasis for at least 6 months prior to first study dose

Exclusion Criteria:

Key Exclusion Criteria for Healthy Subject Cohorts:

* Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing)
* Males of childbearing potential who are unwilling or unable to use a highly effective method of contraception as outlined in this protocol for the duration of the study and for at least 28 days after the last dose of investigational product

Key Exclusion Criteria for Psoriasis Subject Cohorts:

* Currently have non plaque forms of psoriasis, (eg, erythrodermic, guttate, or pustular psoriasis).
* Have current drug induced psoriasis, eg, a new onset of psoriasis or an exacerbation of psoriasis from beta blockers, calcium channel blockers, antimalarial drugs or lithium
* Males of childbearing potential who are unwilling or unable to use a highly effective method of contraception as outlined in this protocol for the duration of the study and for at least 28 days after the last dose of investigational product

Answer: A