Trial Outcomes & Findings for Bioequivalence Study of Sitagliptin/Metformin Combination Tablet (MK0431A-122) (NCT NCT01093794)

NCT ID: NCT01093794

Last Updated: 2015-07-28

Results Overview

AUC (0-t) is the area under the curve for the plot showing plasma concentration against time from time zero to the time of the last quantifiable concentration for sitagliptin 50 mg, metformin 500 mg and metformin 850 mg.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

28 participants

Primary outcome timeframe

baseline through 72 hours postdose

Results posted on

2015-07-28

Participant Flow

28 participants were randomized in four treatment sequences. Participants had a 7 day minimum washout period between treatments.

Participant milestones

Participant milestones
Measure
1. Sit + Met500 / SitMet500 FDC / SitMet850 FDC / Sit + Met850
Participants were administered treatment in the following sequence with a minimum 7 day washout period between treatments: * Co-administration of 50 mg sitagliptin and 500 mg metformin * sitagliptin/metformin 50 mg/500 mg FDC tablet * sitagliptin/metformin 50 mg/850 mg FDC tablet * Co-administration of 50 mg sitagliptin and 850 mg metformin
2. SitMet500 FDC / Sit + Met850 / Sit + Met500 / SitMet850 FDC
Participants were administered treatment in the following sequence with a minimum 7 day washout period between treatments: * sitagliptin/metformin 50 mg/500 mg FDC tablet * Co-administration of 50 mg sitagliptin and 850 mg metformin * Co-administration of 50 mg sitagliptin and 500mg metformin * sitagliptin/metformin 50 mg/850 mg FDC tablet
3. Sit + Met850 / SitMet850 FDC / SitMet500 FDC / Sit + Met500
Participants were administered treatment in the following sequence with a minimum 7 day washout period between treatments: * Co-administration of 50 mg sitagliptin and 850 mg metformin * sitagliptin/metformin 50 mg/850 mg FDC tablet * sitagliptin/metformin 50 mg/500 mg FDC tablet * Co-administration of 50 mg sitagliptin and 500mg metformin
4. SitMet850 FDC / Sit + Met500 / Sit + Met850 / SitMet500 FDC
Participants were administered treatment in the following sequence with a minimum 7 day washout period between treatments: * sitagliptin/metformin 50 mg/850 mg FDC tablet * Co-administration of 50 mg sitagliptin and 500 mg metformin * Co-administration of 50 mg sitagliptin and 850 mg metformin * sitagliptin/metformin 50 mg/500 mg FDC tablet
Treatment Period 1
STARTED
7
7
7
7
Treatment Period 1
COMPLETED
7
7
7
7
Treatment Period 1
NOT COMPLETED
0
0
0
0
Treatment Period 2
STARTED
7
7
6
7
Treatment Period 2
COMPLETED
7
7
6
7
Treatment Period 2
NOT COMPLETED
0
0
0
0
Treatment Period 3
STARTED
7
7
6
7
Treatment Period 3
COMPLETED
7
7
6
7
Treatment Period 3
NOT COMPLETED
0
0
0
0
Treatment Period 4
STARTED
7
7
6
7
Treatment Period 4
COMPLETED
7
7
6
7
Treatment Period 4
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Bioequivalence Study of Sitagliptin/Metformin Combination Tablet (MK0431A-122)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=28 Participants
Age, Continuous
28.6 years
STANDARD_DEVIATION 5.61 • n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
28 Participants
n=5 Participants
Region of Enrollment
China
28 participants
n=5 Participants
Body Mass Index (BMI)
22 kg/m^2
STANDARD_DEVIATION 1.22 • n=5 Participants

PRIMARY outcome

Timeframe: baseline through 72 hours postdose

Population: Per-Protocol (PP) set: Participants who completed the study according to the protocol. One participant who discontinued after Treatment Period 1 was not included in the analysis.

AUC (0-t) is the area under the curve for the plot showing plasma concentration against time from time zero to the time of the last quantifiable concentration for sitagliptin 50 mg, metformin 500 mg and metformin 850 mg.

Outcome measures

Outcome measures
Measure
Sit 50 mg + Met 500 mg
n=27 Participants
Participants co-administered 50 mg sitagliptin and 500 mg metformin as individual tablets from all treatment sequences.
SitMet 50mg/500mg FDC
n=27 Participants
Participants administered the sitagliptin/metformin 50 mg/500 mg FDC tablet from all treatment sequences.
Sit 50 mg + Met 850 mg
n=27 Participants
Participants co-administered 50 mg sitagliptin and 850mg metformin as individual tablets from all treatment sequences.
SitMet 50mg/850mg FDC
n=27 Participants
Participants administered sitagliptin/metformin 50 mg/850 mg FDC tablet from all treatment sequences.
Area Under the Curve (AUC(0-t)) for Sitagliptin
sitagliptin 50 mg
1570 hr*ng/mL
Standard Deviation 217.40
1590 hr*ng/mL
Standard Deviation 186.58
1520 hr*ng/mL
Standard Deviation 228.83
1600 hr*ng/mL
Standard Deviation 195.05
Area Under the Curve (AUC(0-t)) for Sitagliptin
metformin 500 mg
8350 hr*ng/mL
Standard Deviation 1881.70
8750 hr*ng/mL
Standard Deviation 1920.45
NA hr*ng/mL
Standard Deviation NA
Metformin 500 mg was not administered during this treatment.
NA hr*ng/mL
Standard Deviation NA
Metformin 500 mg was not administered during this treatment.
Area Under the Curve (AUC(0-t)) for Sitagliptin
metformin 850 mg
NA hr*ng/mL
Standard Deviation NA
Metformin 850 mg was not administered during this treatment.
NA hr*ng/mL
Standard Deviation NA
Metformin 850 mg was not administered during this treatment.
11800 hr*ng/mL
Standard Deviation 2849.36
13100 hr*ng/mL
Standard Deviation 2987.28

PRIMARY outcome

Timeframe: baseline through 72 hours postdose

Population: Per-Protocol (PP) set: Participants who completed the study according to the protocol. One participant who discontinued after Treatment Period 1 was not included in the analysis.

Cmax is the peak serum concentration of a therapeutic drug after administration; and is used to determine the rate and extent of drug absorption. Cmax is reported for sitagliptin 50 mg, metformin 500 mg and metformin 850 mg.

Outcome measures

Outcome measures
Measure
Sit 50 mg + Met 500 mg
n=27 Participants
Participants co-administered 50 mg sitagliptin and 500 mg metformin as individual tablets from all treatment sequences.
SitMet 50mg/500mg FDC
n=27 Participants
Participants administered the sitagliptin/metformin 50 mg/500 mg FDC tablet from all treatment sequences.
Sit 50 mg + Met 850 mg
n=27 Participants
Participants co-administered 50 mg sitagliptin and 850mg metformin as individual tablets from all treatment sequences.
SitMet 50mg/850mg FDC
n=27 Participants
Participants administered sitagliptin/metformin 50 mg/850 mg FDC tablet from all treatment sequences.
Cmax for Sitagliptin and Metformin
sitagliptin 50 mg
189 ng/mL
Standard Deviation 37.76
182 ng/mL
Standard Deviation 38.71
187 ng/mL
Standard Deviation 40.31
194 ng/mL
Standard Deviation 32.67
Cmax for Sitagliptin and Metformin
Metformin 500 mg
1210 ng/mL
Standard Deviation 323.83
1310 ng/mL
Standard Deviation 383.57
NA ng/mL
Standard Deviation NA
Metformin 500 mg was not administered during this treatment.
NA ng/mL
Standard Deviation NA
Metformin 500 mg was not administered during this treatment.
Cmax for Sitagliptin and Metformin
Metformin 850 mg
NA ng/mL
Standard Deviation NA
Metformin 850 mg was not administered during this treatment.
NA ng/mL
Standard Deviation NA
Metformin 850 mg was not administered during this treatment.
1790 ng/mL
Standard Deviation 488.51
1970 ng/mL
Standard Deviation 482.69

Adverse Events

Sit 50 mg + Met 500 mg

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Sit/Met 50 mg/500 mg FDC

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Sit 50 mg + Met 850 mg

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Sit/Met 50 mg/850 mg FDC

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Sit 50 mg + Met 500 mg
n=28 participants at risk
AEs reported in participants after co-administration of 50 mg sitagliptin and 500 mg metformin.
Sit/Met 50 mg/500 mg FDC
n=28 participants at risk
AEs reported in participants after administration of the sitagliptin/metformin 50 mg/500 mg fixed dose combination (FDC) tablet.
Sit 50 mg + Met 850 mg
n=28 participants at risk
AEs reported in participants after co-administration of 50 mg sitagliptin and 850 mg metformin.
Sit/Met 50 mg/850 mg FDC
n=28 participants at risk
AEs reported in participants after administration of sitagliptin 50 mg/metformin 850 mg FDC tablet.
Nervous system disorders
Headache
3.6%
1/28
0.00%
0/28
0.00%
0/28
0.00%
0/28
Gastrointestinal disorders
Abdominal pain
3.6%
1/28
3.6%
1/28
3.6%
1/28
3.6%
1/28
Gastrointestinal disorders
Diarrhea
7.1%
2/28
3.6%
1/28
3.6%
1/28
0.00%
0/28
General disorders
Fever
3.6%
1/28
0.00%
0/28
0.00%
0/28
0.00%
0/28
Ear and labyrinth disorders
Vertigo
3.6%
1/28
0.00%
0/28
0.00%
0/28
0.00%
0/28
Gastrointestinal disorders
Nausea
3.6%
1/28
3.6%
1/28
0.00%
0/28
0.00%
0/28
Gastrointestinal disorders
Flatulence
0.00%
0/28
0.00%
0/28
7.1%
2/28
0.00%
0/28
General disorders
Chest pain
0.00%
0/28
0.00%
0/28
3.6%
1/28
0.00%
0/28
Skin and subcutaneous tissue disorders
Rash
0.00%
0/28
0.00%
0/28
3.6%
1/28
0.00%
0/28
Blood and lymphatic system disorders
Leucocytosis
0.00%
0/28
0.00%
0/28
0.00%
0/28
3.6%
1/28

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp.

Results disclosure agreements

  • Principal investigator is a sponsor employee The SPONSOR must have the opportunity to review all proposed abstracts, manuscripts, or presentations regarding this study 60 days prior to submission for publication/presentation. SPONSOR review can be expedited to meet publication guidelines.
  • Publication restrictions are in place

Restriction type: OTHER