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A Study to Assess the Food Effect on Bioavailability of Metformin/Gliclazide in Healthy Participants

A Randomized, Open-label, Single Dose, 2x2 Crossover Trial to Evaluate the Food Effect on the Bioavailability of a Metformin/Gliclazide Fixed Combination Tablet (1000 mg /30 mg MR) Given in Fasting and Fed Conditions to Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03467971
Enrollment
21
Registered
2018-03-16
Start date
2018-03-06
Completion date
2018-04-22
Last updated
2019-07-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Metformin, Bioavailability, Food effect, Pharmacokinetics

Brief summary

This study will assess the food effect on bioavailability of Metformin/Gliclazide fixed dose combination tablet in fed and fasted state.

Interventions

Participants will receive single oral dose of Metformin 1000 mg and Gliclazide 30 mg fixed combination tablet in fasting or fed state.

Sponsors

Merck KGaA, Darmstadt, Germany
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Ethnicity: Mexicans * Weight between 55 and 95 kilogram (kg) * Body mass index between 18 and 27 kilogram per meter square (kg/m\^2) * Nonsmokers or participants who do not smoke more than 5 cigarettes or 1 pipe a day * Good physical and mental health based on the clinical history and physical examination * All results from blood chemistry, hematology, and urinalysis should be within normal ranges or without clinically significant deviations as per Principal Investigator's judgment * Hematology complete blood count \[CBC\]: hematocrit and hemoglobin must be above the lower limit; upper limit may range up to 15 percent (%) * Liver Function Test range as defined in the protocol * Electrocardiogram (12 leads) without clinically significant pathological signs * All women of childbearing potential must have negative tests for pregnancy at screening, and at day -1 for each treatment period and at end of trial (EOT) * Vital signs (blood pressure and pulse) in supine position within normal ranges or with clinically significant abnormalities as per the Principal Investigator's judgment * All women of childbearing potential who are not pregnant or breastfeeding and who are using a highly effective contraceptive method for at least one month before and following dosing * Negative result for alcohol breath test and urine test for drugs of abuse at screening and at each day -1 of the 2 treatment periods * Negative serology tests for human immunodeficiency virus (HIV1 and HIV2 antibodies), hepatitis A (HAV), hepatitis B (HBV), hepatitis C (HCV) and venereal disease research laboratory (VDRL) test screening * Other protocol defined inclusion criteria could apply

Exclusion criteria

* Participants who have received any investigational drug within 21 days prior to the study start * Participants who have donated or lost 450 milliliter (mL) or more of blood within 21 days prior to the study start * Participants with history of cardiovascular, renal, liver, metabolic, gastrointestinal, neurological, endocrine, or hematopoietic (any type of anemia) diseases; mental disease, surgery or other organic abnormalities which might affect the study of the investigational drug pharmacokinetics * History of gastrointestinal tract surgery * Participants with history of hypersensitivity to the study drug and/or any formulation's ingredient; history of drug induced anaphylaxis * Participants who take any other drug 30 days before the study drug dose and for which at least seven elimination half-lives had not elapsed * Renal failure or renal impairment assessed by using the Cockcroft-Gault formula * Participant's disagreement or lack of capacity to communicate and cooperate with the Investigator, lack of legal capacity or limited legal capacity which prevent him/her from continuing in the study * Refusal of the high-fat diet which is necessary to assess the food effect. Considerable deviations to the diet's normal nutritional patterns * Participants who have smoked tobacco, having drunk alcohol, or xanthines containing beverages or food above 600 mg of caffeine a day those who have had grilled food within 24 h prior to the drug dosing * Intake of grapefruit, orange, cranberries or their juices within 14 days prior to the drug's dosing and throughout the study * Legal inability or limited legal capacity * Incarcerated participants * Participants who have been exposed to agents known as liver enzyme systems' inducers or inhibitors, or who have taken potentially toxic drugs within 30 days prior to the study * Other protocol defined

Design outcomes

Primary

MeasureTime frameDescription
Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseAUC (0-inf) is defined as the area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf).
Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseAUC (0-t) is defined as the area under the plasma concentration versus time curve from time zero (pre-dose) to time of last quantifiable concentration (0-t)
Maximum Observed Plasma Concentration (Cmax) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseCmax is defined as the maximum observed plasma concentration.

Secondary

MeasureTime frameDescription
Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From PlasmaPre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseCL/f is defined as apparent total clearance of the drug from plasma after oral administration.
Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseTmax is defined as the time to reach maximum plasma concentration.
Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Baseline up to Day 39Adverse event(AE) was defined as any untoward medical occurrence in participants which does not necessarily have causal relationship with treatment. AE was any unfavorable and unintended sign(including abnormal laboratory finding), symptom/disease temporally associated with use of medicinal product, whether/not considered related to medicinal product. A serious adverse event(SAE) was AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial/prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important. Term TEAE is defined as AEs starting/worsening after first intake of the study drug. TEAEs included both Serious TEAEs and non-serious TEAEs.
Elimination Half Life (t1/2) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseElimination Half Life (t1/2) is defined as the time required for the concentration or amount of drug in the body to be reduced by one-half.
Apparent Volume of Distribution (Vz/f) of Metformin and GliclazidePre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-doseVz/f is defined as apparent volume of distribution during terminal phase after non-intravenous administration

Countries

Mexico

Participant flow

Participants by arm

ArmCount
Metformin-Gliclazide (Fasted), Then Metformin-Gliclazide (Fed)
Participants received single dose of Metformin 1000 milligram (mg) and Gliclazide 30 mg fixed combination tablet in fasting state in treatment period 1 followed by single dose of Metformin 1000 mg and Gliclazide 30 mg fixed combination tablet in fed state in treatment period 2. Each treatment period was separated by a 14-day wash-out period.
10
Metformin-Gliclazide (Fed), Then Metformin-Gliclazide (Fasted)
Participants received single dose of Metformin 1000 mg and Gliclazide 30 mg fixed combination tablet in fed state in treatment period 1 followed by single dose of Metformin 1000 mg and Gliclazide 30 mg fixed combination tablet in fasting state in treatment period 2. Each treatment period will be separated by a 14-day wash-out period.
11
Total21

Withdrawals & dropouts

PeriodReasonFG000FG001
Treatment Period 2Withdrawal by Subject01

Baseline characteristics

CharacteristicMetformin-Gliclazide (Fasted), Then Metformin-Gliclazide (Fed)Metformin-Gliclazide (Fed), Then Metformin-Gliclazide (Fasted)Total
Age, Continuous37.2 Years
STANDARD_DEVIATION 10.9
32.5 Years
STANDARD_DEVIATION 8
34.7 Years
STANDARD_DEVIATION 9.6
Ethnicity (NIH/OMB)
Hispanic or Latino
10 Participants11 Participants21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Sex: Female, Male
Female
3 Participants3 Participants6 Participants
Sex: Female, Male
Male
7 Participants8 Participants15 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 210 / 21
other
Total, other adverse events
8 / 217 / 21
serious
Total, serious adverse events
0 / 210 / 21

Outcome results

Primary

Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and Gliclazide

AUC (0-inf) is defined as the area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-inf).

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: The Pharmacokinetics (PK) analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and GliclazideMetformin4974.2507 Nanogram*hour per milliliter (ng*h/mL)Standard Deviation 1599.329
Metformin-Gliclazide (Fasted)Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and GliclazideGliclazide21192.1682 Nanogram*hour per milliliter (ng*h/mL)Standard Deviation 9220.3044
Metformin-Gliclazide (Fed)Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and GliclazideMetformin8556.7752 Nanogram*hour per milliliter (ng*h/mL)Standard Deviation 2544.6658
Metformin-Gliclazide (Fed)Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of Metformin and GliclazideGliclazide21815.4021 Nanogram*hour per milliliter (ng*h/mL)Standard Deviation 8369.0107
Comparison: Statistical Analysis for Metformin90% CI: [153.779, 200.6664]
Comparison: Statistical Analysis for Gliclazide90% CI: [97.766, 111.606]
Primary

Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and Gliclazide

AUC (0-t) is defined as the area under the plasma concentration versus time curve from time zero (pre-dose) to time of last quantifiable concentration (0-t)

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and GliclazideMetformin4722.4546 ng*h/mLStandard Deviation 1598.1082
Metformin-Gliclazide (Fasted)Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and GliclazideGliclazide20348.8381 ng*h/mLStandard Deviation 9154.5509
Metformin-Gliclazide (Fed)Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and GliclazideMetformin8298.5628 ng*h/mLStandard Deviation 2422.9059
Metformin-Gliclazide (Fed)Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Metformin and GliclazideGliclazide20997.1704 ng*h/mLStandard Deviation 8244.2743
Comparison: Statistical Analysis for Metformin90% CI: [157.0135, 208.1287]
Comparison: Statistical Analysis for Gliclazide90% CI: [98.0047, 112.6699]
Primary

Maximum Observed Plasma Concentration (Cmax) of Metformin and Gliclazide

Cmax is defined as the maximum observed plasma concentration.

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Maximum Observed Plasma Concentration (Cmax) of Metformin and GliclazideMetformin717.5017 ng/mLStandard Deviation 304.8105
Metformin-Gliclazide (Fasted)Maximum Observed Plasma Concentration (Cmax) of Metformin and GliclazideGliclazide968.0305 ng/mLStandard Deviation 261.8362
Metformin-Gliclazide (Fed)Maximum Observed Plasma Concentration (Cmax) of Metformin and GliclazideMetformin870.7288 ng/mLStandard Deviation 272.6886
Metformin-Gliclazide (Fed)Maximum Observed Plasma Concentration (Cmax) of Metformin and GliclazideGliclazide1013.9753 ng/mLStandard Deviation 243.1601
Comparison: Statistical Analysis for Metformin90% CI: [110.2732, 148.0612]
Comparison: Statistical Analysis for Gliclazide90% CI: [94.5723, 117.5081]
Secondary

Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From Plasma

CL/f is defined as apparent total clearance of the drug from plasma after oral administration.

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: The PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From PlasmaMetformin226.79 LitersStandard Deviation 88.58
Metformin-Gliclazide (Fasted)Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From PlasmaGlilclazide1.63 LitersStandard Deviation 0.57
Metformin-Gliclazide (Fed)Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From PlasmaMetformin125.93 LitersStandard Deviation 33.92
Metformin-Gliclazide (Fed)Apparent Total Body Clearance (CL/f) of Metformin and Gliclazide From PlasmaGlilclazide1.55 LitersStandard Deviation 0.52
Secondary

Apparent Volume of Distribution (Vz/f) of Metformin and Gliclazide

Vz/f is defined as apparent volume of distribution during terminal phase after non-intravenous administration

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: The PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Apparent Volume of Distribution (Vz/f) of Metformin and GliclazideMetformin2003389.9474 Milliliter (mL)Standard Deviation 1157828.4547
Metformin-Gliclazide (Fasted)Apparent Volume of Distribution (Vz/f) of Metformin and GliclazideGliclazide35189.3864 Milliliter (mL)Standard Deviation 8855.9499
Metformin-Gliclazide (Fed)Apparent Volume of Distribution (Vz/f) of Metformin and GliclazideMetformin1200933.2647 Milliliter (mL)Standard Deviation 949837.2019
Metformin-Gliclazide (Fed)Apparent Volume of Distribution (Vz/f) of Metformin and GliclazideGliclazide33813.7843 Milliliter (mL)Standard Deviation 6970.7706
Secondary

Elimination Half Life (t1/2) of Metformin and Gliclazide

Elimination Half Life (t1/2) is defined as the time required for the concentration or amount of drug in the body to be reduced by one-half.

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: The PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Elimination Half Life (t1/2) of Metformin and GliclazideMetformin6.2547 HoursStandard Deviation 2.9771
Metformin-Gliclazide (Fasted)Elimination Half Life (t1/2) of Metformin and GliclazideGliclazide16.6222 HoursStandard Deviation 6.2627
Metformin-Gliclazide (Fed)Elimination Half Life (t1/2) of Metformin and GliclazideMetformin7.4892 HoursStandard Deviation 8.7276
Metformin-Gliclazide (Fed)Elimination Half Life (t1/2) of Metformin and GliclazideGliclazide17.1044 HoursStandard Deviation 7.5
Secondary

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

Adverse event(AE) was defined as any untoward medical occurrence in participants which does not necessarily have causal relationship with treatment. AE was any unfavorable and unintended sign(including abnormal laboratory finding), symptom/disease temporally associated with use of medicinal product, whether/not considered related to medicinal product. A serious adverse event(SAE) was AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial/prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important. Term TEAE is defined as AEs starting/worsening after first intake of the study drug. TEAEs included both Serious TEAEs and non-serious TEAEs.

Time frame: Baseline up to Day 39

Population: The safety population included all participants who received at least 1 dose of the study treatment in either treatment period 1 or treatment period 2.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Metformin-Gliclazide (Fasted)Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Adverse Events8 Participants
Metformin-Gliclazide (Fasted)Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Serious Adverse Events (SAEs)0 Participants
Metformin-Gliclazide (Fed)Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Adverse Events7 Participants
Metformin-Gliclazide (Fed)Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Serious Adverse Events (SAEs)0 Participants
Secondary

Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and Gliclazide

Tmax is defined as the time to reach maximum plasma concentration.

Time frame: Pre-dose, 0.5, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 16.0, 24.0, 28.0, 32.0, 48.0, 72.0, 96.0, 120.0, 144.0 and 168.0 hour post-dose

Population: The PK analysis set included all participants who completed the study with adequate study medication compliance, without any relevant protocol violations with respect to factors likely to affect the comparability of PK results.

ArmMeasureGroupValue (MEAN)Dispersion
Metformin-Gliclazide (Fasted)Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and GliclazideMetformin3.6698 HoursStandard Deviation 0.66
Metformin-Gliclazide (Fasted)Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and GliclazideGliclazide6.5254 HoursStandard Deviation 1.7474
Metformin-Gliclazide (Fed)Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and GliclazideMetformin7.2389 HoursStandard Deviation 0.7693
Metformin-Gliclazide (Fed)Time to Reach Maximum Plasma Concentration (Tmax) of Metformin and GliclazideGliclazide8.5238 HoursStandard Deviation 2.1822

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026