Efficacy and Safety Study of Mepolizumab 100 Milligram (mg) Subcutaneous (SC) in Indian Participants Aged Greater Than or Equal to (>=) 18 Years With Severe Eosinophilic Asthma
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Lead
GlaxoSmithKline
With
Tech Observer
Age
18–65
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Participant must be greater than or equal to (≥) 18 to 65 years of age inclusive, at the time of signing the informed consent.
Asthma: Evidence of asthma as documented by either: (a) Airway reversibility (FEV1\>=12% and 200 milliliter (ml) demonstrated at Visit 1 (screening) or Visit 2 (Week 0) OR documented in the previous 12 months OR (b) Airway hyperresponsiveness (methacholine: PC20 of \<8mg/mL or histamine: PD20 of \<7.8 μmol; mannitol: decrease in FEV1 as per the labelled product instructions) documented in the 12 months prior to Visit 2 (Week 0) OR (c) Airflow variability in clinic FEV1 \>=20% between two consecutive clinic visits documented in the 12 months prior to Visit 2 (FEV1 recorded during an exacerbation should not be considered for this criteria) OR (d) Airflow variability as indicated by \>20% diurnal variability in peak flow observed on 3 or more days during the optimization period.
Participants with Eosinophilic asthma: prior documentation of eosinophilic asthma or high likelihood of eosinophilic asthma as FEV1: Persistent airflow obstruction as indicated by: For participants \>=18 years of age at Visit 1 (screening) or Visit 2 (Week 0), a pre- bronchodilator FEV1 \<80% predicted. For predicted FEV1 values National Health and Nutrition Examination Survey (NHANES) III values will be used and adjustments to these values will be made for race.
Eosinophilic Phenotype: Airway inflammation characterized as eosinophilic in nature as indicated by one of the following characteristics: (a) An elevated peripheral blood eosinophil level of \>=300 cells/microliter(μL) that is related to asthma within the previous 12 months prior to Visit 2 (Week 0). OR (b) Peripheral baseline eosinophil level \>=150 cells/μL between Visit 1 (screening) and Visit 2 (Week 0) that is related to asthma.
Participants eligible for mepolizumab treatment as per independent clinical judgment of treating physician in alignment with local prescribing information.
Inhaled Corticosteroids: requirement for regular treatment with high dose inhaled corticosteroid in the 6 months prior to Visit 1 (screening). For 18 years of age and older: Inhaled corticosteroids (ICS) dose must be \>=880 microgram (mcg)/day fluticasone propionate (FP) (ex-actuator) or equivalent daily.
Controller Medication: Current treatment with an additional controller medication for at least 3 months OR having used and failed an additional controller medication for at least 3 successive months during the prior 12 months \[e.g., long-acting beta2-agonist (LABA), leukotriene receptor antagonist (LTRA), or theophylline\].
Male or eligible female. Contraceptive use by women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. A female participant is eligible to participate if she is not pregnant or breastfeeding, and at least one of the following conditions applies: (a) Is not a woman of childbearing potential (WOCBP) OR (b) Is a WOCBP and using a contraceptive method that is highly effective, with a failure rate of \<1% during the intervention period and for at least 16 weeks after the last dose of study intervention. The investigator should evaluate the effectiveness of the contraceptive method in relationship to the first dose of study intervention. (c) A WOCBP must have a negative highly sensitive pregnancy test (serum) within 8 weeks before the first dose of study intervention. (d) Additional requirements for pregnancy testing during and after study intervention are located. (e) The investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy.
Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.
Treatment Period Criteria
Eosinophilic asthma: Prior documentation of eosinophilic asthma or high likelihood of eosinophilic asthma.
eDiary Compliance: Compliance with completion of the eDiary defined as: (a) Completion of symptom scores on 4 or more days out of the last 7 days immediately preceding Visit 2 (Week 0). (b) Completion of information relating to rescue medication use on 4 or more days out of the last 7 days immediately preceding Visit 2 (Week 0). (c) Completion of PEF measurements on 4 or more days out of the last 7 days immediately preceding Visit 2 (Week 0).
You may not be if
Concurrent Respiratory Disease: Presence of a clinically important lung condition other than asthma. This includes but is not limited to current infection, bronchiectasis, pulmonary fibrosis, bronchopulmonary aspergillosis, or diagnoses of emphysema or chronic bronchitis (chronic obstructive pulmonary disease other than asthma) or a history of lung cancer.
Malignancy: A current malignancy or previous history of cancer in remission for less than 12 months prior screening (Participants who had localized carcinoma (i.e. basal or squamous cell) of the skin which was resected for cure will not be excluded).
Liver Disease: Unstable liver disease (as defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, esophageal or gastric varices or persistent jaundice), cirrhosis, and known biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
Cardiovascular: Participants who have severe or clinically significant cardiovascular disease uncontrolled with standard treatment. Including but not limited to: (a) known ejection fraction of \<30% OR (b) severe heart failure meeting New York Heart Association Class IV OR (c) hospitalized in the 12 months prior to Visit 1 (screening) for severe heart failure meeting New York Heart Association Class III OR (d) angina diagnosed less than 3 months prior to Visit 1 (screening) or at Visit 1.
Other Concurrent Medical Conditions: Participants who have known, pre-existing, clinically significant endocrine, autoimmune, metabolic, neurological, renal, gastrointestinal, hepatic, haematological or any other system abnormalities that are uncontrolled with standard treatment.
Eosinophilic Diseases: Participants with other conditions that could lead to elevated eosinophils such as Hypereosinophilic Syndromes, including Churg-Strauss Syndrome, or Eosinophilic Esophaghitis. Participants with a known, pre-existing parasitic infestation within 6 months prior to Visit 1 (screening) are also to be excluded.
Omalizumab Use: Participants who have received omalizumab within 130 days of Visit 1 (screening).
Other Monoclonal Antibodies: Participants who have received any monoclonal antibody (other than omalizumab) to treat inflammatory disease within 5 half-lives of Visit 1 (screening).
Investigational Medications: Participants who have received treatment with an investigational drug within the past 30 days or five terminal phase half-lives of the drug whichever is longer, prior to Visit 1 (this also includes investigational formulations of marketed products).
Participants who have previously participated in any study of mepolizumab and received Investigational Product (including placebo).
ECG: ECG assessment QTcF \> 450msec or QTcF \> 480 msec for participants with Bundle Branch Block. Participants are excluded if an abnormal ECG finding from the 12-lead ECG conducted at Screening (Visit 1) is considered to be clinically significant and would impact the participant's participation during the study, based on the evaluation of the Investigator.
Immunodeficiency: A known immunodeficiency (e.g. human immunodeficiency virus - HIV), other than that explained by the use of corticosteroids taken as therapy for asthma.
Smoking history: Current smokers or former smokers with a smoking history of \>=10 pack years. A former smoker is defined as a participant who quit smoking at least 6 months prior to Visit 1 (screening).
Hypersensitivity: Participants with a known allergy or intolerance to a monoclonal antibody or biologic.
Pregnancy: Participants who are pregnant or breastfeeding. Patients should not be enrolled if they plan to become pregnant during the time of study participation.
Alcohol/Substance Abuse: A history (or suspected history) of alcohol misuse or substance abuse within 2 years prior to Visit 1 (screening).
Adherence: Participants who have known evidence of lack of adherence to controller medications and/or ability to follow physician's recommendations.
Treatment Period Criteria
Laboratory abnormality: Evidence of clinically significant abnormality in the haematological, biochemical or urinalysis screen at Visit 1 (screening), as judged by the investigator.
Alanine transferase (ALT) \>2 x upper limit of normal (ULN).
Bilirubin \> 1.5 x ULN (isolated bilirubin\>1.5 ULN is acceptable if bilirubin is fractionated and direct bilirubin \<35%).
No cirrhosis or current unstable liver or biliary disease per investigator assessment defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, oesophageal or gastric varices, or persistent jaundice. Stable non-cirrhotic chronic liver disease (including Gilbert's syndrome, asymptomatic gallstones, and chronic stable hepatitis B or C e.g., presence of hepatitis B surface antigen \[HBsAg\] or positive hepatitis C antibody test result) is acceptable if the participant otherwise meets eligibility criteria.
Clareo Health | Efficacy and Safety Study of Mepolizumab 100 Milligram (mg) Subcutaneous (SC) in Indian Participants Aged Greater Than or Equal to (>=) 18 Years With Severe Eosinophilic Asthma
