Please select the eligibility criteria that correspond to the clinical trial below.
Title: N/A
Brief Summary: Open, parallel group design. The study has a screening phase and a 12 week treatment phase. Subjects will be randomised to treatment in a 1:1 ration.


Options:
A: Inclusion Criteria:

* Male or female patients at least 18 years or older (females less than one year post-menopausal must have a negative serum or urine pregnancy test recorded within 72 hours prior to the first dose of study medication, be non-lactating, and willing to use adequate and highly effective methods of contraception throughout the study. A highly effective method of birth control is defined as those which result in a low failure rate (i.e. less than 1% per year) when used consistently and correctly such as sterilization, implants, injectables, combined oral contraceptives, some IUDs (Intrauterine Device, hormonal), sexual abstinence or vasectomised partner).
* Known history of mild to moderate-severe reversible asthma for \> 6 months prior to the screening visit.
* Demonstrate a FEV1 of \>40% to \<80% for predicted normal values (EGKS normal values, 1983) during the screening phase following appropriate withholding of asthma medications (if applicable).

  * No beta agonist use on day of screening.
  * No use of combination asthma therapy on day of screening.
  * Inhaled corticosteroids are allowed on day of screening.
* Documented reversibility of \> 15% in FEV1 in the screening phase.
* Demonstrate satisfactory technique in the use of the pressurized MDI.
* Willing and able to enter information in the electronic diary and attend all study visits.
* Willing and able to substitute study medication for their pre study prescribed asthma medication for the duration of the study.
* Written informed consent obtained.

Exclusion Criteria:

* Life-threatening asthma within the past year. This category includes those patients with a history of near-fatal asthma, a hospitalization or an emergency visit for asthma or prior intubation for asthma.
* History of systemic (injectable) corticosteroid medication within 1 month before the Screening Visit.
* History of omalizumab use within the past 6 months.
* History of leukotriene receptor antagonist use, e.g. montelukast, within the past week.
* Current evidence or history of any clinically significant disease or abnormality including uncontrolled coronary artery disease, congestive heart failure, myocardial infarction, or cardiac dysrhythmia. 'Clinically significant' is defined as any disease that, in the opinion of the Investigator, would put the patient at risk through study participation, or which would affect the outcome of the study.
* An upper or lower respiratory infection within 4 weeks prior to the Screening Visit.
* Significant, non-reversible, active pulmonary disease (e.g., chronic obstructive pulmonary disease (COPD), cystic fibrosis, bronchiectasis, tuberculosis).
* Known Human Immunodeficiency Virus (HIV)-positive status.
* A smoking history equivalent to "10 pack years" (i.e., at least 1 pack of 20 cigarettes /day for 10 years or 10 packs/day for 1 year, etc)
* Current smoking history within 12 months prior to the Screening Visit.
* Current evidence or history of alcohol and/or substance abuse within 12 months prior to the Screening Visit.
* Patients who have taken beta-blocking agents, tricyclic antidepressants, monoamine oxidase inhibitors, astemizole (Hismanal), quinidine type antiarrhythmics, or potent CYP 3A4 inhibitors such as ketoconazole within the past week.
* Current use of medications that will have an effect on bronchospasm and/or pulmonary function.
* Current evidence or history of hypersensitivity or idiosyncratic reaction to test medications or components.
* Receipt of an investigational drug within 30 days of the Screening Visit (12 weeks if an oral or injectable steroid).
* Current participation in a clinical study.
B: Inclusion Criteria:

* Provided consent to participate in the study
* Male or female, 12 years of age and older
* Clinical diagnosis of asthma for at least 1 year prior to the randomization
* Clinic PEF of greater than or equal to 50% of predicted normal value
* Subject must be appropriately using one of the treatments for asthma listed in the protocol
* Subject must be able to complete the asthma control questionnaire, daily questions about asthma, and use a DISKUS inhaler
* Subject must have history of at least 1 asthma exacerbation including one of the following in the year prior to randomization:
* requiring treatment with systemic corticosteroids
* an asthma-related hospitalization

Exclusion Criteria:

* History of life threatening asthma defined for this protocol as asthma episode that required intubation and/or was associated with hypercapnea requiring non-invasive ventilatory support
* Concurrent respiratory disease other than asthma
* Current evidence of, or ever been told by a physician that they have chronic bronchitis, emphysema, or chronic obstructive pulmonary disease.
* Exercise induced asthma (as the only asthma-related diagnosis) not requiring daily asthma control medicine
* Presence of a bacterial or viral respiratory infection that is not resolved at randomization
* An asthma exacerbation requiring systemic corticosteriods within 4 weeks of randomization or more than 4 separate exacerbations in the 12 months preceding randomization
* More than 2 hospitalizations for treatment of asthma in the 12 months preceding randomization
* Subject must not meet unstable asthma severity criteria as listed in the protocol
* Potent cytochrome P450 3A4 (CYP3A4) inhibitors within the last 4 weeks (e.g., ritonavir, ketoconazole, itraconzole)
* Pregnancy, breast-feeding or planned pregnancy during the study
* A Child in Care (CiC) is a child who has been placed under the control or protection of an agency, organisation, institution or entity by the courts, the government or a government body, acting in accordance with powers conferred on them by law or regulation.
C: Inclusion Criteria:

Asthmatic patients will be enrolled at Visit 1 into the run-in period if they meet all of the following criteria:

1. Written informed consent obtained
2. Adult male and female (≥18 and ≤65 years)
3. Clinical diagnosis of controlled asthma according to Global Strategy for Asthma Management and Prevention (GINA) revised version 2007 in the previous week before study entry:

   * no daytime symptoms (twice or less/week)
   * no limitations of activities
   * no nocturnal symptoms/awakenings
   * no need for reliever/rescue medications (twice or less/week)
   * lung function (FEV1) \> 80% predicted or personal best (if known)
4. Patients treated with fluticasone 500 µg + salmeterol 100 µg daily for ≥ 4 weeks
5. A co-operative attitude and ability to correctly use the device and to complete the diary cards.

Exclusion Criteria:

Patients will not be enrolled at visit 1 into the run-in period if they meet any of the following criteria:

1. Inability to carry out pulmonary function testing;
2. Diagnosis of Chronic Obstructive Pulmonary Disease (COPD) as defined by the National Heart Lung and Blood Institute/World Health Organisation (NHLBI/WHO) Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines;
3. History of near fatal asthma;
4. Evidence of severe asthma exacerbation or symptomatic infection of the lower airways in the previous six months;
5. Three or more courses of oral corticosteroids or hospitalisation due to asthma during the previous 6 months;
6. Patients treated with long-acting β2-agonists (LABAs) other than salmeterol, anticholinergics, and leukotriene antagonists during the previous 4 weeks;
7. Current smokers or recent (less than one year) ex-smokers defined as smoking at least 15 packs/year;
8. Clinically significant or unstable concurrent disease : e.g. uncontrolled hyperthyroidism, uncontrolled diabetes mellitus or other endocrine disease; significant hepatic impairment; significant renal impairment; significant other pulmonary disease; cardiovascular disease; gastrointestinal disease; neurological disease; haematological disease, autoimmune disorders, that may interfere with patient's safety, compliance, or study evaluations, according to the investigator's opinion;
9. Patients with a serum potassium value ≤ 3.5 mEq/L
10. Patients with QTc interval (Bazett's formula) higher than 450 msec at screening visit 1;
11. Cancer or any chronic diseases with prognosis \< 2 years;
12. Female subjects: pregnant or with active desire to be pregnant, lactating mother or lack of efficient contraception in a subject with child-bearing potential (i.e. contraceptive methods other than oral contraceptives, IUD, tubal ligature). A pregnancy test in urine is to be carried out in women of a fertile age at screening
13. Significant alcohol consumption or drug abuse;
14. Patients treated with beta-blockers as regular use;
15. Patients treated with monoamine oxidase inhibitor, tricyclic antidepressants and Selective Serotonin Re-uptake Inhibitors (SSRIs), unless already taken at stable doses at the screening visit
16. Allergy, sensitivity or intolerance to study drugs and/or study drug formulation ingredients;
17. Patients unlikely to comply with the protocol or unable to understand the nature, scope and possible consequences of the study;
18. Patients who received any investigational new drug within the last 12 weeks;
19. Patients with asthma exacerbations during the run-in period will also be excluded from the study.
D: Inclusion Criteria:

* Outpatient
* 18 years of age or older at Visit 1
* Diagnosis of Asthma
* Male or eligible Female
* Pre-bronchodilator FEV1 of 40-80% of the predicted normal value at Visit 1
* Demonstrated reversibility by ≥12% and ≥200mL of FEV1 within 40 minutes following albuterol at Visit 1
* A need for regular controller therapy (i.e., inhaled corticosteroids alone or in combination with a long-acting beta-agonist, or leukotriene modifier etc.,) for a minimum of 8 weeks prior to Visit 1.

Exclusion Criteria:

* History of Life threatening asthma
* Respiratory infection not resolved
* Asthma exacerbation
* Concurrent respiratory disease
* Current Smokers
* Other diseases that are uncontrolled disease or disease state that, in the opinion of the investigator, would put the safety of the patient at risk through study participation or would confound the interpretation of the efficacy results if the condition/disease exacerbated during the study
* A positive Hepatitis B surface antigen or positive Hepatitis C antibody and/or HIV
* Visual clinical evidence of oropharyngeal candidiasis
* Drug or milk protein allergies
* Concomitant medications affecting course of asthma
* Use of any other investigational medication within 30 days or 5 drug half-lives (whichever is longer)
* Previous use of GSK573719
* Any disease preventing use of anticholinergics
* Any condition that impairs compliance with study protocol including visit schedule and completion of daily diaries
* Any subject with a history of alcohol or substance abuse
* Any affiliation with Investigator's site

Answer: A