Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 2a, Randomized, Double-blind, Placebo-controlled, Dose-escalation Study to Evaluate the Safety and Tolerability of Multiple-dose Subcutaneous Administration of MEDI-563, a Humanized Anti-interleukin-5 Receptor Alpha Monoclonal Antibody, in Adults With Asthma
Brief Summary: The primary objective of this study is to evaluate the safety and tolerability of escalating multiple subcutaneous (SC) doses of MEDI-563 in adult subjects with asthma.


Options:
A: Inclusion Criteria:

* Male or female subjects
* Age 18 to 65 years at the time of Screening
* Subjects must have a body mass index (BMI) between 18 and 40 kilogram per square meter (kg/m\^2)
* Written informed consent obtained from the subject prior to performing any protocol related procedures, including Screening evaluations
* Physician-diagnosed moderate-to-severe, persistent asthma requiring treatment with appropriate asthma controller medication
* Shows forced expiratory volume in 1 second (FEV1) reversibility postbronchodilator of greater than or equal to (\>=)12 percent and \>=200 milliliter (mL) or have shown such values in a previous test within the last year, or have a positive airway hyperresponsiveness (AHR) test result in the last year
* Pre-bronchodilator FEV 1 value \>=40 percent of individual predicted value at Visits 1 and 3
* Uncontrolled asthma consistent with Expert Panel Report (EPR)-3. In the 2 to 4 weeks preceding Screening, subjects should have a history of 1 or more of the following: Daytime asthma symptoms \>=2 days/week, Nighttime awakening \>=1 night/week, Salbutamol use \>=2 days/week
* An Asthma control questionnaire (ACQ) score \>=1.5 at Visits 1 and 3
* At least 1 occurrence of asthma exacerbation in the past year that required an unscheduled medical encounter
* Men, unless surgically sterile, must likewise practice 2 effective methods of birth control (condom with spermicide) and must use such precautions from Day 1 through Study Day 169
* Otherwise healthy by medical history and physical examination for that age group
* A chest x-ray or computed tomography (CT) scan within the previous 12 months with no findings suggestive of acute or chronic respiratory pathology other than asthma
* Ability and willingness to complete the follow-up period until Day 169 as required by the protocol.

Exclusion Criteria:

* Known history of allergy or reaction to any component of the investigational product formulation
* Acute illness other than asthma at the start of the study
* History of an active infection within 4 weeks prior to Screening, or evidence of clinically significant active infection, including ongoing chronic infection
* History of ingestion of untreated water in a location known to be infected with parasites, resulting in acute or chronic diarrhea; or a diagnosis of parasitic infection within 6 months prior to Screening
* Use of immunosuppressive medication (except oral prednisone up to 10 milligram/day (mg/day) and inhaled and topical corticosteroids) within 30 days before randomization into the study
* Receipt of immunoglobulin or blood products within 30 days before randomization into the study
* Receipt of any investigational drug therapy or use of any biologicals including omalizumab within 6 months before the first dose of investigational product in this study or within 5 half-lives of an investigational agent or biologic, whichever is longer
* History of any known immunodeficiency disorder
* A positive hepatitis B surface antigen, or hepatitis C virus antibody
* A positive human immunodeficiency virus test or is taking antiretroviral medications, as determined by medical history and/or subject's verbal report
* A live or attenuated vaccination received within 4 weeks prior to Screening
* Previous medical history, or evidence, of an intercurrent illness that may compromise the safety of the subject in the study
* History of clinically significant abnormality on electrocardiogram (ECG) in the opinion of the investigator
* Lactation (women)
* History of treatment for alcohol or drug abuse within the past year
* History suggestive of chronic obstructive pulmonary disease (COPD) and of cigarette smoking \>=10 pack-years
* Evidence of any systemic disease on physical examination
* History of cancer, apart from basal cell carcinoma or in situ carcinoma of the cervix treated with apparent success with curative therapy less than or equal to (\<=)1 year prior to Study Day 1 or other malignancies treated with apparent success with curative therapy \<=5 years prior to entry
* Known exposure to inhaled occupational agents or fumes
* Any condition (eg, cystic fibrosis \[CF\] or COPD) that, in the opinion of the investigator, would interfere with evaluation of the investigational product or interpretation of study results
* Individuals who are legally institutionalized
* Employees of the clinical study site or any other individuals involved with the conduct of the study, or family members of such individuals.
B: Inclusion Criteria:

* Male or female subjects aged 18 to 60 years at the time of the administration of investigational product
* Written informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization (applies to covered entities in the US only) obtained from the subject/legal representative prior to performing any protocol-related procedures, including screening evaluations
* Physician-diagnosed asthma with a duration of greater than or equal to (\>=) 2 years by medical chart or subject report
* Had an asthma exacerbation requiring urgent care in the year prior to screening
* Meets National Heart, Lung, and Blood Institute (NHLBI) for persistent asthma in the 3 months prior to the current urgent healthcare visit
* Current asthma exacerbation that must have lasted \>= 2 hours prior to arrival to the urgent healthcare setting
* Requires at least 2 treatments of inhaled bronchodilators for the current asthma exacerbation in the urgent healthcare setting or within the emergency medical system (EMS) for \>= 1 hour
* Shows an FEV1 or PEF of not more than 70 percent (%) predicted after 1 hour of treatment of the current asthma exacerbation
* Women of child-bearing potential, unless surgically sterile (including tubal ligation) and/or at least 2 years post-menopausal, must have used 2 effective methods of avoiding pregnancy (including oral, transdermal, or implanted contraceptives, intrauterine device, female condom with spermicide, diaphragm with spermicide, cervical cap, abstinence, use of a condom with spermicide by the sexual partner, or sterile sexual partner) from screening through the end of the study (Day 84; Cessation of birth control after this point should be discussed with a responsible physician)
* Men, unless surgically sterile, must likewise practice 2 effective methods of birth control (condom with spermicide or abstinence) and must use such precautions from Day 0 through Day 84
* Otherwise healthy by medical history and physical examination
* A chest x-ray that is normal for an asthmatic population and excludes alternative diagnosis per the investigation
* Ability to complete the follow-up period until Day 168 as required by protocol
* The investigator has determined that the subject is clinically stable and the FEV1, is \>= 30% predicted prior to receiving investigational product on Day 0.

Exclusion Criteria:

* Known history of allergy or reaction to any component of the investigational product formulation
* Acute illness other than asthma at the start of the study
* Fever more than (\>) 38.6 degrees Celsius (C) (\>101.5 degrees Fahrenheit \[F\])
* Current acute asthma attack is due to aspirin-induced asthma
* Current asthma episode is an anaphylactoid/anaphylactic reaction presenting with acute bronchospasm
* Evidence of clinically significant non-respiratory active infection, including ongoing chronic infection
* History or current prolonged diarrhea, abdominal pain, and/or blood and mucus in stools or have minor symptoms and have exposure to stream or lake water, been exposed to someone who has a parasitic infection (like a family member), or study subject has traveled outside the United States of America (USA) and/or Canada within the last year
* Use of immunosuppressive medication (except oral prednisone and inhaled and topical corticosteroids) within 30 days before randomization into the study
* Have received Xolair within 6 months before randomization into the study
* Receipt of immunoglobulin or blood products within 30 days before randomization into the study
* Receipt of any investigational drug therapy within 6 months before the first dose of investigational product in this study through Day 168
* History of primary immunodeficiency
* Previous medical history, or evidence, of an intercurrent illness that may compromise the safety of the subject in the study
* History of clinically significant abnormality on ECG in the opinion of the investigator
* Pregnancy (must have a negative serum pregnancy test prior to the first dose of investigational product)
* Breastfeeding or lactating woman
* History of treatment for alcohol or drug abuse within the past year
* Diagnosis of chronic obstructive pulmonary disease (COPD) by a healthcare professional
* Evidence of any clinically significant systemic disease on physical examination
* History of cancer except basal cell carcinoma or in situ carcinoma of the cervix treated with apparent success with curative therapy \>1 year prior to entry or other malignancies treated with apparent success with curative therapy \>5 years prior to entry
* Known exposure to inhaled occupational agents or fumes with an established diagnosis of occupational asthma
* Any condition (that is, impending ventilatory failure or hemodynamic compromise) that, in the opinion of the investigator, would interfere with evaluation of the investigational product or interpretation of study results
* Any employee of the clinical study site who is involved with the conduct of the study
* History of cigarette smoking \>20 pack years
* Previously received benralizumab (MEDI-563)
* Asthma exacerbation due to acute inhalational exposure.
C: Inclusion Criteria:

* Male or female subjects
* Age 18 through 80 years at screening
* Written informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization obtained from the subject prior to performing any protocol-related procedures, including screening evaluations
* Previously documented diagnosis of asthma of more than or equal to (\>=) 1 year duration, based on episodic symptoms of airflow obstruction; post-bronchodilator reversibility of airflow obstruction \>=12 percent (%) (at screening or documented within 1 year prior to randomization); or proof of a positive response to a methacholine challenge (documented within 1 year prior to randomization) as represented by a provoking concentration of methacholine to cause a 20% fall in forced expiratory volume in 1 second (FEV1); (PC20) less than (\<) 8 milligram per milliliter (mg/mL)
* Weight of \>=45 kilogram (kg) but less than or equal to (\<=) 135 kg (\>=100 pounds \[lb\] but \<=300 lb)
* Able to produce spirometry readings that meet American Thoracic Society (ATS)/European Respiratory Society (ERS) standards
* Screening pre-bronchodilator FEV1 \>=60%
* Women of childbearing potential, unless surgically sterile (including tubal ligation) and/or at least 2 years post-menopausal, must use 2 effective methods of avoiding pregnancy (including oral, transdermal, or implanted contraceptives, intrauterine device, female condom with spermicide, diaphragm with spermicide, cervical cap, abstinence, use of a condom with spermicide by the sexual partner, or sterile sexual partner) for 14 days prior to the first dose of the investigational product on Study Day 0, and must agree to continue using such precautions through Study Day 161. Cessation of birth control after this point should be discussed with a responsible physician
* Men, unless surgically sterile, must likewise use 2 effective methods of birth control (for example, condom with spermicide) and must agree to continue using such contraceptive precautions through End of Study/Study Day 161
* Ability to complete the study period, including follow-up period until Study Day 161 as required by protocol

Exclusion Criteria:

* Previously received benralizumab (MEDI-563)
* History of allergy or reaction to any component of the investigational product formulation
* History of allergy or reaction to any other marketed or experimental monoclonal antibody therapies, intravenous gammaglobulin (IVIG), or blood products
* Receipt of any investigational drug therapy within 30 days prior to randomization into the study or any biologic(s) within 5 half-lives of the agent prior to randomization into the study
* Treatment with an oral or systemic burst of corticosteroids within 4 weeks prior to randomization into the study
* Use of any chronic systemic immunosuppressive drugs, including oral corticosteroids within 4 weeks prior to randomization into the study
* Current use of any oral or ophthalmic beta-adrenergic antagonist (for example, propranolol), must have been stopped 2 weeks prior to randomization into the study
* Current allergy vaccination (immunotherapy)
* History of anaphylaxis
* Lung disease other than persistent asthma (for example, chronic bronchitis, cystic fibrosis, chronic obstructive pulmonary disease \[COPD\], tuberculosis \[TB\])
* Acute illnesses or evidence of significant active infection, such as fever \>=38.0 degrees Celsius \[C\] (\>=100.5 degrees Fahrenheit \[F\]) at screening and up through time of the first dose of the investigational product
* History of ingestion of untreated water in a location known to be infected with parasites, resulting in acute or chronic diarrhea; or an untreated parasitic infection within 1 month of randomization
* Pregnancy (women of childbearing potential must have a negative serum pregnancy test at screening and a negative urine pregnancy test prior to administration of the investigational product)
* Lactating woman
* Infection with human immunodeficiency virus (HIV)-1, HIV-2, or hepatitis A, B, or C virus
* History of cancer, apart from basal cell carcinoma or in situ carcinoma of the cervix treated with apparent success with curative therapy \>= 1 year prior to randomization into the study
* History of cigarette smoking \>=10 pack years
* History of alcohol abuse or drug abuse that required treatment \<1 year prior to randomization into the study
* Elective surgery planned during the study period
* Evidence of any systemic disease or any finding upon physical examination, laboratory abnormality, chest x-ray (CXR), or electrocardiogram (ECG) that, in the opinion of the investigator or medical monitor, may compromise the safety of the subject in the study or confound the analysis of the study results
* Employees of the clinical study site or any other individuals involved with the conduct of the study, or first degree family members of such individuals (that is, parents, siblings, or children)
D: Inclusion criteria:

Medical diagnosis of persistent asthma for at least 12 months whose:

* airway inflammation likely to be eosinophilic,
* asthma partially controlled or uncontrolled on ICS plus LABA therapy.
* On a stable dose of either Fluticasone/Salmeterol, Budesonide/Formoterol, Mometasone/Formoterol combination therapy for at least 1 month prior to screening.
* Signed an Informed Consent Form and Health Insurance Portability and Accountability Act (HIPAA) Authorization Form.

Exclusion criteria:

* Less than 18 years or greater than 65 years of age.
* Clinically relevant abnormal laboratory values suggesting an unknown disease and requiring further evaluation.
* Chronic obstructive pulmonary disease and/or other lung diseases impairing Pulmonary Function Tests.
* Beta-adrenergic receptor blockers required for any reason.
* Current smoker or cessation of smoking within the 6 months prior to screening.
* Previous smoking with a smoking history \>10 cigarette pack/years.
* Participation in another study within 6 months prior to screening if the study medication was an antibody or within 30 days prior to screening for all other study medications.
* Known or suspected non-compliance, alcohol or drug abuse.
* Inability to follow the procedures of the study (e.g, due to language problems, psychological disorders).
* Concomitant severe diseases or diseases for which the use of ICS or LABA were contraindicated.
* Known allergy to doxycycline or related compounds.
* Pregnancy or intention to become pregnant during the course of the study, breast feeding, or unwillingness to use a highly effective method of contraception throughout the study in women of childbearing potential.
* Recent history of a parasitic infection or travel to a parasitic endemic area within 6 months prior to screening.

The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Answer: C