Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Randomized, Double-blind, Placebo-controlled, Multiple-dose Study to Evaluate the Safety, Tolerability, and Efficacy of AMG 827 in Subjects With Psoriasis
Brief Summary: The study evaluated the efficacy of AMG 827 compared with placebo as measured by the percent of improvement in PASI score at week 12.


Options:
A: Inclusion Criteria:

* Subject has had stable moderate to severe plaque psoriasis for at least 6 months
* Subject has received at least one previous phototherapy or systemic psoriasis therapy or has been a candidate to receive phototherapy or systemic psoriasis therapy in the opinion of the investigator.
* Subject has involved BSA ≥ 10% and PASI ≥ 12 at screening and at baseline.

Exclusion Criteria:

* Subject diagnosed with erythrodermic psoriasis, pustular psoriasis, medication-induced, or medication-exacerbated psoriasis.
* Evidence of skin conditions at the time of the screening visit (eg, eczema, guttate psoriasis) that would interfere with evaluations of the effect of IP on psoriasis.
* Subject has any active CTCAE grade 2 or higher infection
* Subject has a significant concurrent medical condition or laboratory abnormalities, as defined in the study protocol.
* Subject has used the following therapies within 14 days of the first dose: UVB therapy or topical psoriasis therapies other than Class I or II topical steroids
* Subject has used the following therapies within 28 days of the first dose: Class I or II topical steroids, UVA therapy (with or without psoralen), or systemic psoriasis therapies
* Subject has used the following therapies within 3 months of the first dose: adalimumab, alefacept, etanercept, infliximab, certolizumab, or live vaccines
* Subject has used an anti-IL12/IL23 inhibitor within 6 months of the first dose
* Subject has previously used an anti-IL17 biologic therapy, efalizumab, or rituximab
B: Inclusion Criteria:

* Diagnosis of plaque-type psoriasis with or without psoriatic arthritis for at least 6 months prior to first administration of any study agent
* Must be a candidate for phototherapy or systemic treatment for psoriasis (either new to treatment or having had previous treatment)
* Must be considered, in the opinion of the investigator, suitable candidates for adalimumab therapy
* If a woman, she must be postmenopausal, or if premenopausal, she must be either surgically sterile, practicing a highly effective method of birth control, or not heterosexually active during the study and for 5 months after receiving the last dose of study drug
* If a man, he must agree to use a double-barrier method of birth control (or must have been surgically sterilized) and to not donate sperm during the study and for 5 months after receiving the last dose of study drug.

Exclusion Criteria:

* History of or current signs or symptoms of severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal, endocrine, pulmonary, cardiac, neurologic, cerebral, or psychiatric disease
* Has a contra-indication to anti-TNF therapy
* Has a history of chronic or recurrent infectious disease
* Has a nonplaque form of psoriasis or has drug-induced psoriasis
* Has been previously treated with adalimumab
* Has received any therapeutic agent directly targeted to IL-12, IL-17, or IL-23, (including but not limited to ustekinumab, briakinumab \[ABT-874\], AIN457, and SCH900222) within 6 months of the first administration of study agent.
C: Inclusion Criteria:

* Adult males and females aged 18 to 60 years (inclusive) with moderate to severe chronic plaque psoriasis who require systemic treatment.

Exclusion Criteria:

* Patients with other forms of psoriasis and patients who are currently treated for autoimmune disorders other than psoriasis.
* Systemic or topical treatments for psoriasis other than emollients. Ongoing bacterial, viral or fungal infections.

History or presence of malignancy.

* Additional inclusion and exclusion criteria apply with respect to medical conditions and concomitant treatments which could affect patients' risk from participating in the study.
D: Inclusion Criteria:

* Presents with chronic plaque psoriasis based on a confirmed diagnosis of chronic psoriasis 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 or remain abstinent during the study
* Women must agree to use reliable 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
* Prior use of etanercept
* Clinically significant flare of psoriasis during the 12 weeks prior to randomization
* Concurrent or recent use of any biologic agent
* Received non-biologic systemic psoriasis therapy or phototherapy (including psoralens and ultraviolet A \[PUVA\], ultraviolet B \[UVB\]) 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 17 (IL-17) antagonists, including ixekizumab
* Serious disorder or illness other than plaque psoriasis
* Serious infection within the last 3 months
* Breastfeeding or nursing (lactating) women

Answer: A