Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Dose-Ranging And Efficacy Study of LY2439821 (An Anti-IL-17 Antibody) In Patients With Moderate-To-Severe Psoriasis
Brief Summary: The primary purpose for this study is to help answer the following research questions

* The safety of ixekizumab (LY2439821) and any side effects that might be associated with it.
* Whether ixekizumab can help participants with Psoriasis.
* How much ixekizumab should be given to participants.


Options:
A: Inclusion Criteria:

* 18 years or older with diagnosis of plaque-type psoriasis (psoriasis vulgaris) for at least 12 months prior to first dose of study drug;
* Psoriasis Area and Severity Index (PASI) score of 12 or greater, AND Physician's Global Assessment (PGA) score of 3 (moderate) or 4 (severe); Psoriasis covering at least 10% of body surface area;
* No evidence of active or latent or inadequately treated infection with Tuberculosis or other serious infections.

Exclusion Criteria:

* Non-plaque or drug induced forms of psoriasis;
* Cannot discontinue current oral, injectable or topical therapy for psoriasis or cannot discontinue phototherapy (Psoralen Ultraviolet A; Ultraviolet B).
* Any uncontrolled significant medical condition.
B: Inclusion Criteria:

* Patients with plaque-type psoriasis diagnosed at least 6 months prior and covering at least 10% of total body surface areas
* Have psoriasis area-and-severity index score of \>=12
* Patients who are considered by treating dermatologist to be a candidate for phototherapy or systemic treatment of psoriasis
* Have no history of latent or active TB

Exclusion Criteria:

* Currently have nonplaque forms of psoriasis or drug-induced psoriasis
* Have any therapeutic agent targeted at reducing IL-12 or IL-23
* Have had a BCG vaccination within the previous 12 months
* 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
* Have or ever have had a nontuberculous mycobacterial infection or opportunistic infection
* Patients known to be infected with human immunodeficiency virus, hepatitis B, or hepatitis C
* 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)
C: Inclusion Criteria Common to Both Part A:

* Participant must have active plaque psoriasis covering at least 10% body surface area and a PASI score of at least 12 at screening and at randomization.
* Participant is a candidate for systemic therapy
* Participant has a Static Physician's Global Assessment (sPGA) score of at least 3 at screening and at randomization

Inclusion Criterion Specific to Part B

* Participant has completed the treatment period for part A (at least through week 20)

Inclusion Criterion Specific to Part C

* Participant has completed the treatment period for part B

Exclusion Criteria Common to Part A, B and C:

* Participant has pustular, erythrodermic and/or guttate forms of psoriasis
* Participant has had a clinically significant flare of psoriasis during the 12 weeks prior to study entry
* Participant has recently used any biologic agent/monoclonal antibody within the following washout periods: etanercept \>28 days, infliximab or adalimumab \>56 days, alefacept \>60 days, ustekinumab \>8 months, or any other biologic agent/monoclonal antibody \>5 half-lives prior to baseline
* Participant has received systemic psoriasis therapy (such as psoralen and ultraviolet A \[PUVA\] light therapy, cyclosporine, corticosteroids, methotrexate, oral retinoids, mycophenolate mofetil, thioguanine, hydroxyurea, sirolimus, azathioprine) or phototherapy (including ultraviolet B or self-treatment with tanning beds) within the previous 4 weeks; or had topical psoriasis treatment within the previous 2 weeks prior to randomization (exception: class 6 \[mild, such as desonide\] or 7 \[least potent, such as hydrocortisone\] topical steroids will be permitted for use limited to the face, axilla, and/or genitalia)
* Participant has donated more than 500 mL of blood within the last month
* Participant has another serious disorder or illness
* Participant has suffered a serious bacterial infection (for example, pneumonia, and cellulitis) within the last 3 months
* Participant has a history of uncontrolled high blood pressure
* Participant has clinical laboratory test results at entry that are outside the normal reference range
* Participant is currently participating in or were discontinued within the last 30 days from another clinical trial involving an investigational drug
* Participant is a woman who is lactating or breast feeding
* If a participant is a woman and could become pregnant during this study, she must talk to the study doctor about the birth control that you will use to avoid getting pregnant during the study
* If a participant is post menopausal woman, she must be at least 45 years of age and have not menstruated for the last 12 months
* If a participant is a woman between 40-45 years of age, test negative for pregnancy, and have not menstruated during the last 12 months only, she must have an additional blood test to see if you can participate
* If the participant is male, he must agree to reduce the risk of female partner becoming pregnant during the study

Exclusion Criteria Specific to B:

* If a participant experienced a serious adverse event during Part A considered possibly related to ixekizumab
* If a participant experienced an adverse event during Part A that the study doctor believes continued ixekizumab treatment could cause harm to the participant.

Exclusion Criteria Specific to C:

* If a participant experienced a Serious Adverse Event during Part B considered possibly related to ixekizumab
* If a participant experienced an adverse event during Part B that the study doctor believes continued ixekizumab treatment could cause harm to the participant.
D: Inclusion Criteria:

* 18 years or older with diagnosis for at least 12 months of moderate to severe plaque psoriasis covering at least 10% of body surface area
* A Psoriasis Area and Severity Index (PASI) score of 12 or greater
* Are considered to be candidates for systemic or light therapy
* Have 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

Answer: C