MedPath

Bioequivalence Study Between Levocetirizine Oral Disintegrating Tablet (ODT) and Levocetirizine Immediate Release Tablet (IRT)

Phase 1
Completed
Conditions
Rhinitis
Interventions
Drug: Levocetirizine IRT 5 mg
Drug: Levocetirizine ODT 5 mg
Registration Number
NCT03555890
Lead Sponsor
GlaxoSmithKline
Brief Summary

This study will be an open-label, randomized 2-way cross-over study to evaluate bioequivalence study between levocetirizine ODT and levocetirizine IRT in healthy Japanese male subjects. Approximately 48 subjects will participate in this study to receive a single dose treatments of levocetirizine ODT 5 milligram (mg) or levocetirizine IRT 5 mg. In Part 1, subjects will randomized in 1:1 ratio (12 in each Period) in Period 1 and 2 to receive single dose of levocetirizine ODT 5 mg with water or single dose levocetirizine IRT 5 mg with water in fasted state. In this part, comparison of bioavailability of levocetirizine ODT and levocetirizine IRT when taken with water in the fasted state will be assessed. In Part 2, subjects will be randomized in 1:1 ratio (12 in each Period) in Period 1 and 2 to receive single dose levocetirizine ODT 5 mg without water or single dose levocetirizine IRT 5 mg with water in fasted state. In this part, comparison of bioavailability of levocetirizine ODT without water and levocetirizine IRT with water in the fasted state will be assessed. There will be at least a 5-day wash out period between the intervention periods. The duration of each subject's participation in each part will be approximately 7 weeks from screening to follow-up.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
72
Inclusion Criteria
  • Subjects must be 20 to 55 years of age inclusive, at the time of signing the informed consent.
  • Japanese subjects who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring.
  • Subjects with body weight of >= 50 kilogram (kg) and body mass index (BMI) within the range of >=18.5 and <25.0 kg per meter square (m^2).
  • In male subjects contraceptive use should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
  • Male subjects are eligible to participate if they agree to the following during the intervention period and until the completion of follow-ups: Refrain from donating sperm; Be abstinent from heterosexual or homosexual intercourse as their preferred and usual lifestyle (abstinent on a long term and persistent basis) and agree to remain abstinent; Agree to use a male condom and female partner to use an additional highly effective contraceptive method with a failure rate of <1 percentage per year when having sexual intercourse with a woman of childbearing potential who is not currently pregnant; Agree to use male condom when engaging in any activity that allows for passage of ejaculate to another person.
  • Subjects must be non-smokers.
  • Subjects capable of giving signed informed consent.
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Exclusion Criteria
  • Subjects with history or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs; constituting a risk when taking the study intervention; or interfering with the interpretation of data.
  • Subjects with abnormal blood pressure as determined by the investigator.
  • Subjects with history of allergic rhinitis.
  • Subjects with ALT >1.5x upper limit of normal (ULN).
  • Subjects with bilirubin >1.5 times ULN (isolated bilirubin >1.5 times ULN is acceptable if bilirubin is fractionated and direct bilirubin <35 percentage).
  • Subjects with current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
  • Subjects with QTc >450 millisecond (msec).
  • Subjects with past or intended use of over-the-counter or prescription medication including vitamins, diet supplements (including St. John's wort), herbal medications within 14 days prior to first dosing or 5 half-lives (whichever is longer).
  • Exposure to more than 4 new chemical entities within 12 months prior to the first dosing day.
  • Current enrolment or past participation within 4 months prior to the first dosing day in this or any other clinical study involving an investigational study intervention or any other type of medical research (except for the subjects with no study intervention administered during any of those enrolment or participation).
  • The subject with positive serological test for syphilis (Rapid Plasma Reagin [RPR] and Treponema pallidum [TP] antibody tests), Human immunodeficiency virus (HIV) Antigen/Antibody, Hepatitis B surface antigen (HBsAg), Hepatitis C virus (HCV) antibody, or Human T-cell lymphotropic virus type 1 (HTLV-1) antibody at screening.
  • Subject with positive pre-study drug screen.
  • Subject with regular moderate alcohol consumption within 6 months prior to the study participation defined as: An average weekly intake of >14 units for males. One unit is equivalent to 360 milliliter (mL) of beer, 150 mL of wine or 45 mL of 80 proof distilled of spirits.
  • Smoking or history or regular use of tobacco- or nicotine-containing products within 6 months prior to screening.
  • Sensitivity to any of the study interventions, or components thereof, or drug or other allergy that, in the opinion of the investigator or Medical Monitor, contraindicates participation in the study.
  • History of donation of blood or blood products >= 400 mL within 3 months or >=200 mL within 1 month prior to the first dosing day.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
Subjects of Group C: Part 2Levocetirizine ODT 5 mgSubjects in Group C will be randomized to receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine ODT 5 mg without water in fasted state in Period 2.
Subjects of Group A: Part 1Levocetirizine IRT 5 mgSubjects in Group A will be randomized to receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine ODT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group D: Part 2Levocetirizine IRT 5 mgSubjects in Group D will be randomized to receive levocetirizine ODT 5 mg without water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group A: Part 1Levocetirizine ODT 5 mgSubjects in Group A will be randomized to receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine ODT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group B: Part 1Levocetirizine IRT 5 mgSubjects in Group B will be randomized to receive levocetirizine ODT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group D: Part 2Levocetirizine ODT 5 mgSubjects in Group D will be randomized to receive levocetirizine ODT 5 mg without water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group B: Part 1Levocetirizine ODT 5 mgSubjects in Group B will be randomized to receive levocetirizine ODT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 2.
Subjects of Group C: Part 2Levocetirizine IRT 5 mgSubjects in Group C will be randomized to receive levocetirizine IRT 5 mg with 150 mL water in fasted state in Period 1. After a washout period of at least 5 days, subjects will receive levocetirizine ODT 5 mg without water in fasted state in Period 2.
Primary Outcome Measures
NameTimeMethod
Part 1: Maximum Observed Concentration (Cmax) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36, 48 hours post-dose

Blood samples were collected at indicated time points for analysis of Cmax. The values for Cmax were obtained directly from the concentration-time data.

Part 2: Cmax of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36, 48 hours post-dose

Blood samples were collected at indicated time points for analysis of Cmax. The values for Cmax were obtained directly from the concentration-time data.

Part 2: AUC(0-t) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36, 48 hours post-dose

Blood samples were collected to measure AUC(0-t) at indicated time-points. AUC(0-t) was calculated by the linear trapezoidal method (i.e., Linear Trapezoidal Linear Interpolation calculation method in Phoenix WinNonlin).

Part 1: Area Under the Concentration-time Curve (AUC) From Time Zero Time (Pre-dose) to the Time of Last Quantifiable Concentration (AUC[0-t]) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36, 48 hours post-dose

Blood samples were collected to measure AUC(0-t) at indicated time-points. AUC(0-t) was calculated by the linear trapezoidal method (i.e., Linear Trapezoidal Linear Interpolation calculation method in Phoenix WinNonlin).

Secondary Outcome Measures
NameTimeMethod
Part 1: Mean Residence Time (MRT) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of MRT. MRT of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Area Under the Concentration-time Curve From Zero Time (Pre-dose) Extrapolated to Infinite Time AUC(0-inf) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of AUC(0-inf). AUC(0-inf)) of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Apparent Terminal Phase Half-life (t1/2) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of t1/2. The t1/2 of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 2: %AUCex of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of %AUCex. Percentage AUCex of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Time to First Occurrence of Cmax (Tmax) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of tmax. The tmax of levocetirizine was obtained directly from the concentration-time data. The tmax was analyzed with the non-parametric Wilcoxon Matched Pairs Method (Signed Rank Method) to compute point estimate and associated 90% confidence interval for the median difference.

Part 2: Tmax of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of tmax. The tmax of levocetirizine was obtained directly from the concentration-time data. The tmax was analyzed with the non-parametric Wilcoxon Matched Pairs Method (Signed Rank Method) to compute point estimate and associated 90% confidence interval for the median difference.

Part 1: Percentage of AUC(0-inf) Obtained by Extrapolation (%AUCex) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of %AUCex. Percentage AUCex of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Change From Baseline in Alkaline Phosphatase, Alanine Amino Transferase, Aspartate Amino Transferase, Creatine Kinase, Gamma Glutamyl Transferase and Lactate Dehydrogenase LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in alkaline phosphatase, alanine amino transferase, aspartate amino transferase, creatine kinase, gamma glutamyl transferase and lactate dehydrogenase levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Amylase LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in amylase levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Platelet Count and White Blood Cell CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in platelet count and white blood cell count were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Kel (lambda_z) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of kel. kel (lambda_z) is the first order rate constant associated with the terminal (log-linear) portion of the curve. kel of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Up to 18 days

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. A SAE is defined as any untoward medical occurrence that, at any dose may results in death or is life-threatening or requires inpatient hospitalization or results in persistent disability/incapacity or is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment.

Part 1: Change From Baseline in Calcium, Cholesterol, Chloride, Glucose, High Density Lipids Cholesterol, Potassium, Low Density Lipids Cholesterol, Sodium, Phosphorus Inorganic, Triglycerides and Urea/Blood Urea Nitrogen (BUN) LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in calcium, cholesterol, chloride, glucose, high density lipids cholesterol, potassium, low density lipids cholesterol, sodium, phosphorus inorganic, triglycerides and urea/blood urea nitrogen (BUN) levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Platelet Count and White Blood Cell CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in platelet count and white blood cell count were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: AUC(0-inf) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of AUC(0-inf). AUC(0-inf) of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 2: t1/2 of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of t1/2. The t1/2 of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Apparent Clearance Following Oral Dosing (CL/F) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of CL/F. CL/F of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Apparent Volume of Distribution Following Oral Dosing (Vz/F) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of Vz/F. Vz/F of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 2: Vz/F of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of Vz/F. Vz/F of levocetirizine was calculated as by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 2: Number of Participants With AEs and SAEsUp to 18 days

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. A SAE is defined as any untoward medical occurrence that, at any dose may results in death or is life-threatening or requires inpatient hospitalization or results in persistent disability/incapacity or is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment.

Part 2: Change From Baseline in Albumin and Total Protein LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in albumin and total protein levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Basophils, Eosinophils, Lymphocytes, Monocytes and Total Neutrophils CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in basophils, eosinophils, lymphocytes, monocytes and total neutrophils levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change Form Baseline in HematocritBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in hematocrit was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change Form Baseline in HematocritBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in hematocrit was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: CL/F of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of CL/F. CL/F of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Elimination Rate Constant (Kel) (lambda_z) of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of kel. kel (lambda_z) is the first order rate constant associated with the terminal (log-linear) portion of the curve. kel of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 1: Change From Baseline in Albumin and Total Protein LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in albumin and total protein levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Amylase LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Direct Bilirubin, Total Bilirubin, Creatinine and Uric Acid LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in direct bilirubin, total bilirubin, creatinine and uric acid levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Calcium, Cholesterol, Chloride, Glucose, High Density Lipids Cholesterol, Potassium, Low Density Lipids Cholesterol, Sodium, Phosphorus Inorganic, Triglycerides and Urea/BUN LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in calcium, cholesterol, chloride, glucose, high density lipids cholesterol, potassium, low density lipids cholesterol, sodium, phosphorus inorganic, triglycerides and urea/BUN levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Basophils, Eosinophils, Lymphocytes, Monocytes and Total Neutrophils CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in basophils, eosinophils, lymphocytes, monocytes and total neutrophils levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Hemoglobin and Mean Corpuscle Hemoglobin ConcentrationBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in hemoglobin and mean corpuscle hemoglobin concentration were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Mean Corpuscle HemoglobinBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in mean corpuscle hemoglobin was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Mean Corpuscle HemoglobinBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in mean corpuscle hemoglobin was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in ReticulocytesBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in reticulocytes was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: MRT of LevocetirizinePre-dose and at 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 9, 12, 16, 24, 36 and 48 hours post-dose

Blood samples were collected at indicated time points for analysis of MRT. MRT of levocetirizine was calculated by standard non-compartmental analysis using the currently supported version of WinNonlin (version 6.3 or higher).

Part 2: Change From Baseline in Alkaline Phosphatase, Alanine Amino Transferase, Aspartate Amino Transferase, Creatine Kinase, Gamma Glutamyl Transferase and Lactate Dehydrogenase LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in alkaline phosphatase, alanine amino transferase, aspartate amino transferase, creatine kinase, gamma glutamyl transferase and lactate dehydrogenase levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Direct Bilirubin, Total Bilirubin, Creatinine and Uric Acid LevelsBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of clinical chemistry parameters. Change from Baseline in direct bilirubin, total bilirubin, creatinine and uric acid levels were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Number of Participants With Urinalysis Results by Dipstick MethodPre-dose (Day 1) and 48 hours post-dose

Urine samples were collected to assess urine bilirubin, urine occult blood, urine glucose, urine ketones, urine protein and urine urobilinogen by dipstick test. The dipstick test gives results in a semi-quantitative manner, and results for urinalysis parameter of urine bilirubin, urine occult blood, urine glucose, urine ketones, urine protein and urine urobilinogen can be read as negative (-), trace and 1+ indicating proportional concentrations in the urine sample. Only categories with significant values have been presented.

Part 1: Change From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP)Baseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Blood pressure was measured in supine position after 5 minutes rest. Change from Baseline in SBP and DBP was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Heart RateBaseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Heart rate was measured in supine position after 5 minutes rest. Change from Baseline in heart rate was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in PR Interval, QRS Interval, QT Interval and QTcF IntervalBaseline (Day 1, Pre-dose) and 1, 48 hours post-dose

Single 12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and QTcF. Change from Baseline in PR interval, QRS interval, QT interval and QTcF interval was evaluated. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits.

Part 2: Change From Baseline in Hemoglobin and Mean Corpuscle Hemoglobin ConcentrationBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in hemoglobin and mean corpuscle hemoglobin concentration were evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Red Blood Cell CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in red blood cell count was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Urine Potential of Hydrogen (pH)Pre-dose (Day 1) and 48 hours post-dose

Urine samples were collected for the measurement of urine pH. Urine pH is an acid-base measurement. pH is measured on a numeric scale ranging from 0 to 14; values on the scale refer to the degree of alkalinity or acidity. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than 7 is basic. Normal urine has a slightly acid pH (5.0 - 6.0).

Part 2: Urine Potential of Hydrogen (pH)Pre-dose (Day 1) and 48 hours post-dose

Urine samples were collected for the measurement of urine pH. Urine pH is an acid-base measurement. pH is measured on a numeric scale ranging from 0 to 14; values on the scale refer to the degree of alkalinity or acidity. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than 7 is basic. Normal urine has a slightly acid pH (5.0 - 6.0).

Part 2: Change From Baseline in SBP and DBPBaseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Blood pressure was measured in supine position after 5 minutes rest. Change from Baseline in SBP and DBP was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Mean Corpuscle VolumeBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in mean corpuscle volume was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Red Blood Cell CountBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in red blood cell count was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in ReticulocytesBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in reticulocytes was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Urine Specific GravityPre-dose (Day 1) and 48 hours post-dose

Urine samples were collected for the measurement of specific gravity. Urine specific gravity is a measure of the concentration of solutes in the urine and provides information on the kidney's ability to concentrate urine. The concentration of the excreted molecules determines the urine's specific gravity. The urinary specific gravity measurement is a routine part of urinalysis. The reference range is 1.002-1.030.

Part 2: Change From Baseline in Heart RateBaseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Heart rate was measured in supine position after 5 minutes rest. Change from Baseline in heart rate was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Body TemperatureBaseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Body temperature was measured in supine position after 5 minutes rest. Change from Baseline in body temperature was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in Heart Rate (12-Lead Electrocardiogram [ECG])Baseline (Day 1, Pre-dose) and 1, 48 hours post-dose

Single 12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and QT interval with Fridericia's correction (QTcF). Change from Baseline in heart rate (ECG) was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Mean Corpuscle VolumeBaseline (Day 1, Pre-dose) and 48 hours post-dose

Blood samples were collected for the assessment of hematology parameters. Change from Baseline in mean corpuscle volume was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Number of Participants With Urinalysis Results by Dipstick MethodPre-dose (Day 1) and 48 hours post-dose

Urine samples were collected to assess urine bilirubin, urine occult blood, urine glucose, urine ketones, urine protein and urine urobilinogen by dipstick test. The dipstick test gives results in a semi-quantitative manner, and results for urinalysis parameter of urine bilirubin, urine occult blood, urine glucose, urine ketones, urine protein and urine urobilinogen can be read as negative (-), trace and 1+ indicating proportional concentrations in the urine sample. Only categories with significant values have been presented.

Part 1: Urine Specific GravityPre-dose (Day 1) and 48 hours post-dose

Urine samples were collected for the measurement of specific gravity. Urine specific gravity is a measure of the concentration of solutes in the urine and provides information on the kidney's ability to concentrate urine. The concentration of the excreted molecules determines the urine's specific gravity. The urinary specific gravity measurement is a routine part of urinalysis. The reference range is 1.002-1.030.

Part 1: Change From Baseline in Body TemperatureBaseline (Day 1, Pre-dose) and 1, 24, 48 hours post-dose

Body temperature was measured in supine position after 5 minutes rest. Change from Baseline in body temperature was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 2: Change From Baseline in Heart Rate (ECG)Baseline (Day 1, Pre-dose) and 1, 48 hours post-dose

Single 12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and QTcF. Change from Baseline in heart rate (ECG) was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Part 1: Change From Baseline in PR Interval, QRS Interval, QT Interval and QTcF IntervalBaseline (Day 1, Pre-dose) and 1, 48 hours post-dose

Single 12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and QTcF. Change from Baseline in PR interval, QRS interval, QT interval and QTcF interval was evaluated. The Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Trial Locations

Locations (1)

GSK Investigational Site

🇯🇵

Fukuoka, Japan

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