Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Multicenter Study With a Randomized, Double-Blind, Placebo-Controlled Induction Dosing Period Followed by a Randomized Maintenance Dosing Period and a Long- Term Extension Period to Evaluate the Efficacy and Safety of LY2439821 in Patients With Moderate-to-Severe Plaque Psoriasis
Brief Summary: This study will assess the safety and efficacy of LY2439821 compared to placebo in participants with moderate to severe, chronic plaque psoriasis.


Options:
A: Inclusion Criteria:

Subjects must satisfy the following criteria to be enrolled in the study:

1. Subject must be male or female, ≥18 years of age at the time of signing the informed consent form (ICF).
2. Subject must have a diagnosis of chronic plaque psoriasis for at least 6 months prior to signing the ICF.
3. Subject must have a diagnosis of mild to moderate plaque psoriasis at both Screening and Baseline.
4. Subject must be inadequately controlled with or intolerant of at least one topical therapy at both Screening and Baseline.
5. Subject must be in good health (except for psoriasis) as judged by the investigator, based on medical history, physical examination, clinical laboratories, and urinalysis.
6. Subject must meet laboratory criteria.
7. Subject has not had prior exposure to biologics for the treatment of psoriatic arthritis or psoriasis, or any other condition that could impact the assessment of psoriasis.

Exclusion Criteria:

The presence of any of the following will exclude a subject from enrollment:

1. Subject has any significant medical condition, laboratory abnormality, or psychiatric illness that would prevent the subject from participating in the study.
2. Subjects has 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.

2. Subject has hepatitis B surface antigen positive at Screening. 3. Subject has active tuberculosis (TB) or a history of incompletely treated TB.

4. Subject has history of positive human immunodeficiency virus (HIV), or has congenital or acquired immunodeficiency (eg, common variable immunodeficiency disease).

5. Subject has hepatitis B surface antigen or anti-hepatitis C antibody positive at Screening.

6. Subject has prior history of suicide attempt at any time in the subject's life time or major psychiatric illness requiring hospitalization within the last 3 years prior to signing the informed consent. 7. Subject has current or planned concurrent use of therapies that may have a possible effect on psoriasis during the course of the treatment phase of the trial.

8. Use of any investigational drug beginning 4 weeks prior to randomization, or 5 pharmacokinetic/pharmacodynamic half-lives, if known (whichever is longer).

9. Subject had prior treatment with apremilast.
B: Inclusion Criteria:Patients eligible for inclusion in this study have to fulfill all of the following criteria:

* Diagnosis of PsA classified by CASPAR criteria and with symptoms for at least 6 months with moderate to severe PsA who must have at Baseline ≥3 tender joints out of 78 and ≥3 swollen out of 76 (dactylitis of a digit counts as one joint each)
* Rheumatoid factor and anti-CCP antibodies negative at screening
* Diagnosis of active plaque psoriasis or nail changes consistent with psoriasis or documented history of plaque psoriasis
* Subjects with PsA should have taken NSAIDs for at least 4 weeks prior to randomization with inadequate control of symptoms or at least one dose if stopped due to intolerance to NSAIDs
* Subjects taking corticosteroids must be on a stable dose of ≤10 mg/day prednisone or equivalent for at least 2 weeks before randomization and should remain on a stable dose up to Week 24
* Subjects taking MTX (≤ 25 mg/week) are allowed to continue their medication if the dose is stable for at least 4 weeks before randomization and should remain on a stable dose up to Week 52.

Exclusion Criteria:Patients fulfilling any of the following criteria are not eligible for inclusion in this study:

* Chest X-ray or chest MRI with evidence of ongoing infectious or malignant process, obtained within 3 months prior to screening and evaluated by a qualified physician
* Subjects taking high potency opioid analgesics (e.g. methadone, hydromorphone, morphine)
* Previous exposure to secukinumab or other biologic drug directly targeting IL-17 or IL-17 receptor
* Ongoing use of prohibited psoriasis treatments / medications (e.g., topical corticosteroids, UV therapy) at randomization. The following wash out periods need to be observed:
* Oral or topical retinoids 4 weeks
* Photochemotherapy (e.g. PUVA) 4 weeks
* Phototherapy (UVA or UVB) 2 weeks
* Topical skin treatments (except in face, scalp and genital area during screening, only corticosteroids with mild to moderate potency) 2 weeks
* Subjects who have ever received biologic immunomodulating agents except for those targeting TNFα, investigational or approved
* Previous treatment with any cell-depleting therapies including but not limited to anti-CD20, investigational agents (e.g., CAMPATH, anti-CD4, anti-CD5, anti-CD3, anti-CD19)
C: Inclusion Criteria:

* Present with chronic plaque psoriasis based on a confirmed diagnosis of chronic psoriasis vulgaris for at least 6 months prior to randomization
* At least 10% Body Surface Area (BSA) of Psoriasis at screening and at randomization
* Static Physician Global Assessment (sPGA) score of at least 3 and Psoriasis Area and Severity Index (PASI) score of at least 12 at screening and at randomization
* Candidate for phototherapy and/or systemic therapy
* Men must agree to use a reliable method of birth control during the study
* Women must agree to use birth control or remain abstinent during the study and for at least 12 weeks after stopping treatment

Exclusion Criteria:

* Pustular, erythrodermic, and/or guttate forms of psoriasis
* History of drug-induced psoriasis
* Clinically significant flare of psoriasis during the 12 weeks prior to randomization
* Concurrent or recent use of any biologic agent
* Received systemic psoriasis therapy \[such as psoralen and ultraviolet A (PUVA) light therapy\] or phototherapy within the previous 4 weeks; or had topical psoriasis treatment within the previous 2 weeks prior to randomization
* Cannot avoid excessive sun exposure or use of tanning booths for at least 4 weeks prior to randomization and during the study
* Have participated in any study with interleukin (IL)-17 antagonists, including LY2439821
* Serious disorder or illness other than plaque psoriasis
* Serious infection within the last 3 months
* Breastfeeding or nursing (lactating) women.
D: Inclusion criteria:

* Subject is male or female, aged ≥ 18 years to ≤ 70 years at Screening. Female subjects must either be postmenopausal (at least 1 year), permanently sterilized or, if of childbearing potential, must be willing to use at least 2 effective methods of contraception, including a barrier method during the study period. Effective methods of contraception are methods of birth control, which result in a low failure rate when used consistently and correctly, such as implants, injectables, oral contraceptives, progesterone-releasing intrauterine systems or the TCu 380A intrauterine device, complete sexual abstinence, or vasectomized partner. Male subjects with partners of childbearing potential must be willing to use a condom when sexually active. Both male and female subjects must use the above mentioned contraception for 20 weeks after administration of study drug (anticipated 5 half-lives)
* Subject has had a confirmed diagnosis of mild to moderate plaque-type psoriasis for at least 6 months involving ≤ 5 % of body surface area (BSA) (excluding the scalp)
* Subject has a body mass index of ≤ 35 kg/m\^2 at Screening
* Subject has a minimum of 2 psoriatic lesions with at least 1 plaque in a site suitable for biopsy

Exclusion Criteria:

* Female subject who is pregnant, or plans to become pregnant during the study, or lactating, or sexually active with childbearing potential who is not using a medically accepted birth control method
* Subject has received systemic nonbiologic psoriasis therapy (methotrexate \[MTX\], steroids, cyclophosphamide) or psoralen plus ultraviolet A (PUVA)/ultraviolet A (UVA) phototherapy within 4 weeks prior to Screening
* Subject has received treatment with biologic agents within 12 months prior to the study
* Subject has received live attenuated vaccination within 6 weeks prior to Screening or intends to have such a vaccination during the course of the study
* Subject has received any investigational drug or experimental procedure within 90 days or 5 half-lives, whichever is longer, prior to IMP administration
* Subject requires treatment with a nonsteroidal anti-inflammatory drug during the study period. Paracetamol will be permitted for use as an antipyretic and/or analgesic
* Subject has an active infection (eg, sepsis, pneumonia, abscess) or has had a serious infection (resulting in hospitalization or requiring parenteral antibiotic treatment) within 6 weeks prior to IMP administration. When in doubt, the Investigator should confer with the UCB Study Physician
* Subject has a history of a positive tuberculosis (TB) test or evidence of possible TB or latent TB infection at Screening that cannot be attributed to a prior Bacillus Calmette-Guérin inoculation
* Subject has renal or liver impairment, defined as:

  * For women, serum creatinine level ≥ 125 μmol/L; for men, ≥ 135 μmol/L, or
  * ALT and aspartate aminotransferase ≥ 2x ULN, or
  * Alkaline phosphatase and bilirubin \> 1.5x ULN (an isolated bilirubin \> 1.5x ULN is acceptable if bilirubin is fractionated and direct bilirubin is \< 35 %)
* Subject has active neoplastic disease or history of neoplastic disease within 5 years of Screening (except for basal or squamous cell carcinoma of the skin or carcinoma in situ that has been definitively treated with standard of care)

Answer: C