Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase III Multi-national, Multi-centre, Double-blind Placebo-controlled Parallel Group, 26 Week Study to Assess the Maintenance of Clinical Response to Humanised Anti-TNF PEG Conjugate, CDP870 400 mg sc, (Dosed 4-weekly From Weeks 8 to 24), in the Treatment of Patients With Active Crohn's Disease Who Have Responded to Open Induction Therapy (Dosed at Weeks 0, 2 and 4) With CDP870
Brief Summary: A 26 week maintenance study of CDP870 in Crohn's disease


Options:
A: Inclusion Criteria:

* Plaque-type psoriasis diagnosed \>= 6 months prior
* Plaque-type psoriasis covering at least 10% of total body surface areas
* Psoriasis area-and-severity index score of \>=12 at screening and baseline
* Considered by treating dermatologist to be a candidate for phototherapy or systemic treatment of psoriasis
* Women of childbearing potential and all men must agree to use adequate birth control measures throughout the trials and for 12 months following the last injection of study agent
* Have no history of latent or active tuberculosis (TB)

Exclusion Criteria:

* Currently have nonplaque forms of psoriasis or drug-induced psoriasis
* Women who are pregnant or nursing, or men and women planning pregnancy while enrolled in the study
* Patients who have used any therapeutic agent targeted at reducing IL-12 or IL-23
* Patients who have had a Bacillus Calmette-Guerin (BCG) vaccination within the previous 12 months prior to screening
* Patients who 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 prior to screening
* Patients who have or ever have had a nontuberculous mycobacterial infection or opportunistic infection
* Patients known to be infected with human immunodeficiency virus (HIV), hepatitis B, or hepatitis C
* Patients who 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)
* Patients participating in another trial using an investigational agent or procedure
* Systemic immunosuppressants within 4 weeks of the first administration of study agent
B: Inclusion Criteria:

* Definitive diagnosis of Crohn's disease confirmed (at least 3 months prior to study entry) either by radiological, endoscopic or histological evidence, affecting the terminal ileum (L1), colon (L2) or ileocolon (L3)\*. \* Vienna Classification (1998)
* Active Crohn's disease (≥ 220 and ≤ 450) scored over the 7 days prior to the first dose of study drug.
* Patients aged 18 years or above at screening.

Exclusion Criteria:

* Crohn's Disease Related
* Fistula abscess present at screening.
* Stricturing type disease with symptoms or signs of non-inflammatory mechanical obstruction or bowel perforation in last 3 months.
* Short bowel syndrome.
* Functional colostomy or ileostomy (note: patients who have had a temporary stoma in the past, which has been reversed, are eligible to enter the study).
* Positive stool laboratory results for enteric pathogens.
C: Inclusion Criteria:

* Must have Crohn's disease or fistulizing Crohn's disease of at least 3 months duration
* Must have received Remicade, adalimumab or Cimzia at a dose approved for the treatment of Crohn's disease
* Must have failed or been intolerant to Remicade, Humira or Cimzia for treatment of Crohn's disease
* Must be 18 years of age or older
* Must have active Crohn's disease according to the Crohn's Disease Activity Index (CDAI \> =220 and \< =450).

Exclusion Criteria:

* Patients who have had any kind of bowel resection, diversions or placement of a stoma within 6 months
* Are pregnant, nursing or planning pregnancy (both men and women) while enrolled in the study or within 1 year after receiving study agent
* Patients who have received Remicade, Humira or Cimzia \< =8 weeks before the first administration of study drug
* Patients with certain complications of Crohn's disease that would make it hard to assess response to study drug
* Patients with a history of or ongoing chronic or recurrent infectious disease.
D: Inclusion Criteria:

* Have Crohn's disease of at least 3 months' duration with colitis, ileitis, or ileocolitis, confirmed at some time in the past by radiography, histology, or endoscopy
* Have active Crohn's disease, defined as a baseline Crohn's Disease Activity Index (CDAI) score of \>= 220 and \<= 450
* Have received infliximab, adalimumab, or certolizumab pegol at a dose approved for the treatment of Crohn disease and did not respond initially (ie, primary nonresponse)
* Or responded initially but then lost response with continued therapy (ie, secondary nonresponse)
* Or were intolerant to the medication
* Have screening laboratory test results within protocol-specified parameters.

Exclusion Criteria:

* Patients who have had any kind of bowel resection within 6 months
* Are pregnant or planning pregnancy (both men and women) while enrolled in the study or for 20 weeks after receiving study agent
* Patients who have received infliximab, adalimumab or certolizumab pegol \< = 8 weeks before the first administration of study drug
* Patients with certain complications of Crohn's disease that would make it hard to assess response to study drug
* Patients with a history of or ongoing chronic or recurrent infectious disease
* Patients who have previously received a biologic agent targeting IL-12 or IL-23, including but not limited to ustekinumab (CNTO 1275) or briakinumab (ABT-874)

Answer: B