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This is an open-label, randomized, single dose, two-sequence, two-period crossover study, separated by 7 days washout interval from the first study drug administration.
In this study, the bioavailability of Rabeprazole from Idiazole 20 milligram (mg) delayed release (DR) tablets and PARIET 20 mg DR tablets after a single oral dose administration of each to healthy adults under fasting conditions, will be investigated by determining the 90% confidence limits for the log-transformed ratio (Test product / Reference product) for the bioequivalence parameters. The influence of sequence, product and period effect will be tested by analysis of variance (ANOVA).
In this study a total of 60 subjects plus 1-4 additional subjects will be enrolled and split into two groups (Group A and B) of 30 each. For each subject, a total of 33 blood draws will be done and the volume of blood will not exceed 300 milliliters (mL) for the study.
PARIET is a registered trademark of EISAI Co. Limited.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A | Experimental | Thirty subjects will receive a single oral dose of idiazole 20mg DR tabs under fasting condition in treatment period 1 followed by 7 days washout interval from the first study drug administration. After the washout interval the subjects will receive a single dose of PARIET 20 mg DR tabs under fasting condition in treatment period 2. |
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| Group B | Experimental | Thirty subjects will receive a single oral dose of PARIET 20 mg DR tabs under fasting condition in treatment period 1 followed by 7 days washout interval from the first study drug administration. After the washout interval the subjects will receive a single dose of idiazole 20mg DR tabs under fasting condition in treatment period 2. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Idiazole 20mg DR tabs | Drug | Delayed release tablets containing 20 mg of rabeprazole |
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| Measure | Description | Time Frame |
|---|---|---|
| Mean Maximal Measured Plasma Concentration (Cmax) After a Single Dose | Plasma samples for pharmacokinetic (PK) analysis were drawn at indicated time points of each treatment period. Cmax was defined as maximal measured plasma concentration over the time span specified. Values were reported as Least Squares Geometric Means with respective Geometric Coefficient of Variation (% CV). | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
| Area Under the Plasma Concentration-time Curve From Time Zero to the Last Measurable Concentration (AUC0-t) and Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-infinity) | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. AUC0-t was calculated by the linear trapezoidal method. AUC0-infinity was calculated as the sum of the AUC0-t plus the ratio of the last measurable plasma concentration to the elimination rate constant, where first-order elimination or terminal rate constant was calculated from a semi-log plot of the plasma concentration versus time curve. The parameter was calculated by linear least-squares regression analysis using the last three (or more) non-zero plasma concentrations. Values were reported as Least Squares Geometric Means with respective % CV. | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
| Measure | Description | Time Frame |
|---|---|---|
| Time of the Maximum Plasma Concentration (T-max) and Terminal Half-life (T-half) | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. If the maximum value occurs at more than one point T-max was defined as the first time point with this value. The elimination or terminal half-life was calculated by dividing 0.693 (natural logarithm of 2) with b obtained as the slope of the linear regression of the logarithmically transformed plasma concentrations versus time in the terminal period of the plasma curve. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| GSK Clinical Trials | GlaxoSmithKline | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| GSK Investigational Site | Cairo | Egypt |
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| Label | URL |
|---|---|
| Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research. | View source |
| ID | Type | URL | Comment |
|---|---|---|---|
| 201527 | Clinical Study Report | View IPD |
Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
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Out of 64 participant screened, one participant was excluded because of significant variation in laboratory results and three participant withdrew the consent, remaining 60 were included in period I.
The study was planned on 60 adult healthy male and female participants, aged 18 to 55 years, at a single site of Egypt from 30 January 2014 to 27 October 2014. During each study period participants received test (treatment A- rabeprazole tablet) and reference (treatment B-rabeprazole tablet) products.
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| ID | Title | Description |
|---|---|---|
| FG000 | Treatment A-rabeprazole 20mg,Then Treatment B-rabeprazole 20mg | Participants received one tablet of treatment A (rabeprazole 20 milligram [mg] enteric coated tablet) given with 240 milliliter (mL) water according to a plan of randomization. Water was at room temperature and measured with a 250 mL cylinder. After a washout period of 7 days, participants then received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) given with 240 mL water. Participants were admitted the night before study drug administration, supervised for at least 10 hours (h) of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 ante meridiem (am) and 10:51 am on Day 1 of each study period. |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Period 1: Intervention Period 1 |
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| PARIET 20 mg DR tabs | Drug | Orally administered, delayed-release, enteric-coated tablets containing 20 mg of rabeprazole sodium. |
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| Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
| Apparent First-order Elimination or Terminal Rate Constant | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. Apparent first-order elimination or terminal rate constant calculated from a semi-log plot of the plasma concentration versus time curve. The parameter was calculated by linear least-squares regression analysis using the last three (or more) non-zero plasma concentrations. | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period |
For additional information about this study please refer to the GSK Clinical Study Register |
| 201527 | Dataset Specification | View IPD | For additional information about this study please refer to the GSK Clinical Study Register |
| 201527 | Study Protocol | View IPD | For additional information about this study please refer to the GSK Clinical Study Register |
| 201527 | Informed Consent Form | View IPD | For additional information about this study please refer to the GSK Clinical Study Register |
| 201527 | Individual Participant Data Set | View IPD | For additional information about this study please refer to the GSK Clinical Study Register |
| FG001 | Treatment B-rabeprazole 20mg,Then Treatment A-rabeprazole 20mg | Participants received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) given with 240 mL water according to a plan of randomization. Water was at room temperature and measured with a 250 mL cylinder. After a washout period of 7 days, participants then received one tablet of treatment A (rabeprazole 20 mg enteric coated tablet) given with 240 mL water. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. |
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| Period 2: Washout Period (7 Days) |
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| Period 3: Intervention Period 2 |
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| ID | Title | Description |
|---|---|---|
| BG000 | Treatment A-rabeprazole 20 mg + Treatment B-rabeprazole 20 mg | In each period of the study, participants received one tablet of treatment A (rabeprazole 20 mg enteric coated tablet) or treatment B (rabeprazole 20 mg gastro-resistant tablet), given with 240 mL water according to a plan of randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. |
| Units | Counts |
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| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean | Standard Deviation | Years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Region of Enrollment | Number | Participants |
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| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Primary | Mean Maximal Measured Plasma Concentration (Cmax) After a Single Dose | Plasma samples for pharmacokinetic (PK) analysis were drawn at indicated time points of each treatment period. Cmax was defined as maximal measured plasma concentration over the time span specified. Values were reported as Least Squares Geometric Means with respective Geometric Coefficient of Variation (% CV). | All subject population comprised of all participants who were crossed over and completed the balance design, were included in the calculation. | Posted | Geometric Mean | Geometric Coefficient of Variation | Nanogram per mL (ng/mL) | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
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| Primary | Area Under the Plasma Concentration-time Curve From Time Zero to the Last Measurable Concentration (AUC0-t) and Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-infinity) | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. AUC0-t was calculated by the linear trapezoidal method. AUC0-infinity was calculated as the sum of the AUC0-t plus the ratio of the last measurable plasma concentration to the elimination rate constant, where first-order elimination or terminal rate constant was calculated from a semi-log plot of the plasma concentration versus time curve. The parameter was calculated by linear least-squares regression analysis using the last three (or more) non-zero plasma concentrations. Values were reported as Least Squares Geometric Means with respective % CV. | All subject population. Only those participants available at the specified time points were analyzed. | Posted | Geometric Mean | Geometric Coefficient of Variation | ng.h/mL | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
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| Secondary | Time of the Maximum Plasma Concentration (T-max) and Terminal Half-life (T-half) | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. If the maximum value occurs at more than one point T-max was defined as the first time point with this value. The elimination or terminal half-life was calculated by dividing 0.693 (natural logarithm of 2) with b obtained as the slope of the linear regression of the logarithmically transformed plasma concentrations versus time in the terminal period of the plasma curve. | All Subject Population. Only those participants available at the specified time points were analyzed. | Posted | Median | Full Range | h | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period. |
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| Secondary | Apparent First-order Elimination or Terminal Rate Constant | Plasma samples for PK analysis were drawn at indicated time points of each treatment period. Apparent first-order elimination or terminal rate constant calculated from a semi-log plot of the plasma concentration versus time curve. The parameter was calculated by linear least-squares regression analysis using the last three (or more) non-zero plasma concentrations. | All subject population. Data is presented for the participants available at the time of assessment. | Posted | Geometric Mean | Geometric Coefficient of Variation | Per hour | Pre-dose (0.00) and 0.50, 1.00, 1.50, 2.00, 2.33, 2.66, 3.00, 3.33, 3.66, 4.00, 4.33, 4.66, 5.00, 5.33, 5.66, 6.00, 8.00, 12.00 and 14.00 h post-dose in each treatment period |
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Adverse events (AE) and serious adverse events (SAE) were reported through out the study (up to 11 days)
AE and SAE were reported in all subject population.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Treatment A- Rabeprazole 20 mg | In each period of the study, participants received one tablet of treatment A (rabeprazole 2 mg enteric coated tablet) with 240 mL of water either in sequence of treatment AB or treatment BA as per the randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. | 0 | 60 | 0 | 60 | 0 | 60 |
| EG001 | Treatment B- Rabeprazole 20 mg | In each period of the study, participants received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) with 240 mL of water either in sequence of treatment AB or treatment BA as per the randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. | 0 | 60 | 0 | 60 | 0 | 60 |
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GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| GSK Response Center | GlaxoSmithKline | 866-435-7343 |
| ID | Term |
|---|---|
| D005767 | Gastrointestinal Diseases |
| ID | Term |
|---|---|
| D004066 | Digestive System Diseases |
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| ID | Term |
|---|---|
| D064750 | Rabeprazole |
| ID | Term |
|---|---|
| D053799 | 2-Pyridinylmethylsulfinylbenzimidazoles |
| D013454 | Sulfoxides |
| D013457 | Sulfur Compounds |
| D009930 | Organic Chemicals |
| D011725 | Pyridines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D001562 | Benzimidazoles |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
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| OG001 | Treatment B- Rabeprazole 20 mg | In each period of the study, participants received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) with 240 mL of water either in sequence of treatment AB or treatment BA as per the randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. |
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| Treatment B- Rabeprazole 20 mg |
In each period of the study, participants received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) with 240 mL of water either in sequence of treatment AB or treatment BA as per the randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. |
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In each period of the study, participants received one tablet of treatment B (rabeprazole 20 mg gastro-resistant tablet) with 240 mL of water either in sequence of treatment AB or treatment BA as per the randomization. Water was at room temperature and measured with a 250 mL cylinder. Participants were admitted the night before study drug administration, supervised for at least 10 h of overnight fasting, and confined until collecting 12 h blood sample during study drug administration of each period. The study drug administration took place between 10:00 am and 10:51 am on Day 1 of each study period. The two treatment periods were separated by a washout period of 7 days. |
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