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 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.
B: Inclusion Criteria:

1. Subjects must be able to understand and communicate with the investigator and comply with the requirements of the study and must give a written, signed and dated informed consent before any study related activity is performed. Where relevant, a legal representative will also sign the informed consent according to local laws and regulations.
2. Subjects who complete Week 52 of study CAIN457A2304 or complete Week 40 of study CAIN457A2307
3. Subjects expected to benefit from participation in the extension study, as assessed by the subject and investigator

Exclusion Criteria:

1. A protocol deviation in the core studies which according to the investigator will prevent the meaningful analysis of the extension study for the individual subject
2. Ongoing use of prohibited psoriasis or non-psoriasis treatments. Time period from last use of prohibited treatments in the core study to first dose of study drug in this extension study.
3. Subjects expected to be exposed to an undue safety risk if participating in the trial
4. Current severe progressive or uncontrolled disease which in the judgment of the investigator renders the subject unsuitable for the trial
5. Plans for administration of live vaccines during the study period
6. Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after conception and until the termination of gestation, confirmed by a positive hCG laboratory test (\>10 mIU/mL).
C: Inclusion Criteria:

* Subject was age 18 or older and in good health (Investigator discretion) with a recent stable medical history.
* Subjects who met the requirements from previous adalimumab psoriasis study participation.

Exclusion Criteria:

* Subject considered by the Investigator, for any reason, to be an unsuitable candidate for the study.
* Female subject who was pregnant or breast-feeding or considering becoming pregnant.
D: Inclusion Criteria:

* 18-80 years old and capable of giving informed consent.
* at least a 6-month history of chronic moderate to severe psoriasis and a candidate for systemic therapy.
* BSA covered with psoriasis of at least 5 % or more at Baseline.
* An history of coronary atherosclerosis or at least three risk factors among the following: hypertension, active smoking, diabetes mellitus, dyslipidemia, obesity, microalbuminuria, age above 55 years, and first degree relative with coronary atherosclerosis before 65 years.
* Patient must be on a stable dose for at least 8 weeks before baseline if taking medications used to control angina, hypertension, serum lipids and any medication that can have an effect on inflammation.
* Patient has a carotid or ascending aorta atherosclerotic plaque inflammation target-to background ratio of 1.6 or more as determined by 18-FDG uptake measured by PET scanning.
* Female patient is either not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile, or is of childbearing potential and practicing one of the following methods of birth control throughout the study and for 150 days after study completion:

  * condoms, sponge, foams, jellies, diaphragm or IUD.
  * contraceptives for three months prior to study drug administration
  * a vasectomized partner.
* Female patient of childbearing potential must have a negative serum pregnancy test at the Screening visit.
* Patient is judged to be in good general health as determined by the principal investigator.
* Patient will be evaluated for latent TB infection with a PPD or a Quantiferon Gold test and CXR. Patient who demonstrates evidence of latent TB infection will only be allowed to participate in the study if they are willing to use TB prophylaxis according to Canadian guidelines
* Patient must be able and willing to provide written informed consent and comply with the requirements of this study protocol.
* Patient must be able and willing to self-administer SC injections or have a qualified person available to administer SC injections.

Exclusion Criteria:

* Patient has other active skin diseases or skin infections (that may interfere with evaluation of psoriasis or with patient's safety.
* Patient has a history of an allergic reaction or significant sensitivity to constituents of study drug, including latex.
* Patient used any non-biological systemic therapy for the treatment of psoriasis less than 30 days before Day 0. Investigational chemical agents must be discontinued at least 30 days or five half-lives prior to the Baseline visit (whichever is longer).
* Patient who has used any biological therapy for the treatment of psoriasis less than 3 months (90 days) before Day 0.
* Patient is taking or requires oral or injectable corticosteroids during the study. Inhaled corticosteroids for stable medical conditions are allowed.
* Patient has used any topical treatment for psoriasis or has used phototherapy within the last 2 weeks prior to baseline (at the exception of low strength (hydrocortisone and desonide) topical corticosteroid for the face, groin (including genitals) and inframammary areas).
* Patient has received Anakinra/Kineret within the last 2 weeks prior to the Baseline visit or is likely to receive Anakinra/Kineret during the course of the study.
* Patient has a poorly controlled medical condition, such as uncontrolled diabetes, documented history of recurrent infections, unstable ischemic heart disease, congestive heart failure a left ventricular ejection fraction of less than 40%, recent stroke, chronic leg ulcer or any other condition which, in the opinion of the investigator, would put the patient at risk if participating in the study.
* Patient had a myocardial infarction or hospitalization for a cardiac condition within the past 12 weeks.
* Patient has a history of acute coronary syndrome, percutaneous coronary intervention, coronary artery bypass graft, or carotid revascularization within 12 weeks of baseline.
* Patient for whom a change in medical treatment for angina, serum lipids, hypertension or any other medication that can have a significant effect on inflammation is planned for the duration of the study.
* Patient has a history of neurologic symptoms suggestive of central nervous system demyelinating disease.
* Patient has history of cancer or lymphoproliferative disease other than a successfully treated non-metastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix.
* Patient has a history of listeriosis, treated or untreated TB, persistent chronic infections, or recent active infections requiring hospitalization or treatment with intravenous anti-infectives within 30 days or oral anti-infectives within 14 days prior to the Baseline visit.
* Patient has received any live attenuated vaccine 28 days or less before baseline.
* Patient with hepatitis B or hepatitis C viral infection.
* Patient with any of the following: hemoglobin = 10 g/L, white blood cell count = 3.0 X 109/L, platelet count =130 X 109/L, ALT = 2 times the upper limit of normal, AST = 2 times the upper normal limit, total bilirubin = 2 times the upper normal limit or creatinine = 150 umol/L.
* Patient is currently using or plans to use anti-retroviral therapy at any time during the study.
* Patient is known to have immune deficiency or is immunocompromised.
* Female patient who is pregnant or breast-feeding or considering becoming pregnant during the study or for 150 days after the last dose of study medication.
* Patient has a history of clinically significant drug or alcohol abuse in the last year.
* Patient is considered by the investigator, for any reason, to be an unsuitable candidate for the study.

Answer: A