Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Multicenter, Randomized, Double-Blind Study Comparing the Efficacy and Safety of Ixekizumab Versus Placebo in Patients With Moderate-to-Severe Genital Psoriasis
Brief Summary: The main purpose of this study is to evaluate the efficacy and safety of the study drug ixekizumab compared to placebo in participants with moderate-to-severe genital psoriasis.


Options:
A: Key Inclusion Criteria:

* Meeting classification criteria for psoriatic arthritis for a duration of disease of at least 3 months
* Prior failure (inefficacy or intolerance) of therapy with disease-modifying antirheumatic drugs; if patient had prior failure of methotrexate, he or she must have been taking at least 15 mg per week for at least 2 months
* If recent failure(inefficacy or intolerance) of a tumor necrosis factor α-blockade compound, participant must be washed out prior to first dose: 56 days for infliximab and 28 days for etanercept and adalimumab
* Disease activity as defined by a tender joint count of ≥3, swollen joint count of ≥3, and clinically detectable synovitis at screening and Day 01 (prior to infusion)
* Active psoriasis with a qualifying target lesion ≥2 cm in diameter
* Able to undergo magnetic resonance imaging
* Use of appropriate birth control by women of child bearing potential (WOCBP)

Key Exclusion Criteria:

* WOCBP who are unwilling or unable to use an acceptable method to avoid pregnancy for the entire study period and for up to 10 weeks after the last dose of investigational product
* Women who are pregnant or breastfeeding or who plan to become pregnant or to start breastfeeding during the duration of the study
* Women with a positive pregnancy test on enrollment or prior to investigational product administration.
* Participants scheduled for or anticipating joint replacement surgery.
* Those with a recent history of clinically significant drug or alcohol abuse
* Concomitant illness that in the investigator's opinion is likely to require systemic glucocorticosteroid therapy during the study (for example: moderate to severe asthma)
* Current symptoms of severe, progressive, or uncontrolled renal, hepatic, hematologic, pulmonary, cardiac, neurologic, ophthalmologic, or cerebral disease.
* Unwillingness or inability to undergo screening based on current local or country guidelines/standards to evaluate the presence of cancer
* Cancer within the last 5 years
* Current malignancy or signs of possible malignancy detected by screening procedures for which the workup to exclude malignancy has not been completed or malignancy cannot be excluded
* At risk for or history (within 3 years) of tuberculosis
* Any serious bacterial infection within the last 3 months, not treated and resolved with antibiotics, or any chronic bacterial infection (such as, but not limited to, chronic pyelonephritis, osteomyelitis, and bronchiectasis)
* Evidence of active or latent bacterial or viral infection infections at the time of potential enrollment
* Herpes zoster or cytomegalovirus resolving less than 2 months prior to signing informed consent
* Receipt of any live vaccines within 3 months of the anticipated first dose of study medication or anticipation of the need for a live vaccine at any time during and for 3 months after the duration of the study

Long-term period participants: Must have met eligibility criteria for short-term period and completed short-term (24-week) period of the study
B: Inclusion Criteria:

* Have chronic plaque psoriasis based on a diagnosis of chronic plaque psoriasis for at least 6 months before baseline.
* Have moderate-to-severe psoriasis in the genital area at screening and baseline.
* Have plaque psoriasis in a nongenital area at screening and baseline.
* Have failed to respond to, or are intolerant of, at least 1 topical therapy used for treatment of psoriasis affecting the genital area.
* Must agree to use reliable method of birth control, which could include abstinence, during the study and for at least 12 weeks following the last dose of study drug.

Exclusion Criteria:

* Pustular, erythrodermic, and/or guttate forms of psoriasis.
* History of drug-induced psoriasis.
* Have recently received certain treatments for psoriasis (in particular, within the past 4 weeks but the restriction can go up to 12 months for some treatments).
* Have ever received treatment with ixekizumab, secukinumab, brodalumab, or another drug with a similar mode of action.
* Cannot avoid excessive sun exposure or use of tanning booths for at least 4 weeks prior to baseline and during the study.
* Are currently enrolled in any other clinical trial involving an investigational product.
* Serious disorder or illness other than plaque psoriasis.
* Active or history of malignant disease within 5 years prior to baseline.
* Serious infection within the last 3 months.
* Have received a live vaccine within 3 months of baseline or plan to do so during the study.
* Have received a vaccination with Bacillus Calmette-Guérin (BCG) within the past year.
* Pregnant or breastfeeding (lactating) women.
C: Inclusion Criteria:

* Subject is \>= 18 years of age
* Subject had a clinical diagnosis of chronic plaque psoriasis for at least 6 months, and has moderate to severe plaque psoriasis
* Subject must have been treated and failed to respond to, or has a contraindication to, or is intolerant to at least two different systemic therapies, one of which must be cyclosporine, or methotrexate or oral PUVA
* Subject is judged to be in generally good health as determined by the principal investigator

Exclusion Criteria:

* Subject has previous exposure to adalimumab
* Subject cannot discontinue systemic therapies and/or topical therapies for the treatment of psoriasis and cannot avoid UVB or PUVA phototherapy
* Subject is taking or requires oral or injectible corticosteroids
* Subject diagnosed with erythrodermic psoriasis, pustular psoriasis, medication-induced or medication-exacerbated psoriasis or new onset guttate psoriasis
* Subject considered by the investigator, for any reason, to be an unsuitable candidate
* Female subject who is pregnant or breast-feeding or considering becoming pregnant
* Subject has a calcium metabolism disorder
D: Inclusion 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 BSL ≥3 tender joints out of 78 and ≥3 swollen joints out of 76 (dactylitis of a digit counts as one joint each).

* Rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibodies negative at screening.
* Diagnosis of active plaque psoriasis or nail changes consistent with psoriasis or a 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 who are regularly taking NSAIDs as part of their PsA therapy are required to be on a stable dose for at least 2 weeks before study randomization and should remain on a stable dose up to Week 24.
* 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.
* Subjects on MTX must be on folic acid supplementation at randomization.
* Subjects who are on a DMARD other than MTX must discontinue the DMARD 4 weeks prior to randomization visit except for leflunomide, which has to be discontinued for 8 weeks prior to randomization unless a cholestyramine wash-out has been performed.
* Subjects who have been on a TNFα inhibitor must have experienced an inadequate response to previous or current treatment with a TNFα inhibitor given at an approved dose for at least 3 months or have stopped treatment due to safety/tolerability problems after at least one administration of a TNFα inhibitor.
* Subjects who have previously been treated with TNFα inhibitors (investigational or approved) will be allowed entry into study after appropriate wash-out period prior to randomization

Exclusion Criteria:

Chest X-ray or chest MRI with evidence of ongoing infectious or malignant process. - Subjects taking high potency opioid analgesics.

* 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.
* Any intramuscular or intravenous or intra-articular corticosteroid treatment within 4 weeks before randomization.
* 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
* Other protocol-defined exclusion criteria do apply

Answer: B