Drug Interaction Study of Saxagliptin in Combination With Dapagliflozin in Healthy Participants

Type 2 Diabetes Mellitus Clinical Trial

Official title:

A Single-dose, Open-label, Randomized, 3 Period, 3 Treatment Crossover Study to Evaluate the Pharmacokinetics of Saxagliptin 5 mg and Dapagliflozin 10 mg When Coadministered to Fasted Healthy Subjects

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT01662999
• Other study ID #: CV181-191
• Status: Completed
• Phase: Phase 1
• First received: August 9, 2012
• Last updated: April 21, 2015
• Start date: August 2012
• Est. completion date: November 2012

Study information

• Verified date: April 2015
• Source: AstraZeneca
• Contact: n/a
• Is FDA regulated: No
• Health authority: United States: Food and Drug AdministrationUnited States: Institutional Review Board
• Study type: Interventional

Clinical Trial Summary

The purpose of this study is to evaluate whether the pharmacokinetics (body concentrations/metabolism of the drug) of Saxagliptin and Dapagliflozin are affected when they are administered together

Recruitment information / eligibility

• Status: Completed
• Enrollment: 42
• Est. completion date: November 2012
• Est. primary completion date: November 2012
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: 18 Years to 45 Years

Eligibility

Inclusion Criteria:

• Healthy subjects as determined by no clinically significant deviation from normal in medical history, Physical Examination, vital signs, 12-lead ECG, and clinical laboratory determinations

• Body mass index (BMI) of 18 to 30 kg/m2

• Men and women, ages 18 to 45 years

• Women of childbearing potential must use acceptable methods of highly effective birth control

Exclusion Criteria:

• History of chronic or recurrent urinary tract infection for females

• History of allergies or adverse reactions to Dipeptidyl peptidase-IV (DPP4) or Sodium-glucose transporter type 2 (SGLT2) inhibitors

• Any significant acute or chronic medical illness

• Current or recent gastrointestinal disease

• Any major surgery within 4 weeks of study drug administration

• Prior exposure to saxagliptin or dapagliflozin or related drugs

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Crossover Assignment, Masking: Open Label

Related Conditions & MeSH terms

• Diabetes Mellitus, Type 2
• Type 2 Diabetes Mellitus

Intervention

Drug:
• Saxagliptin

• Dapagliflozin

Locations

Country	Name	City	State
United States	Icon Clinical Pharmacology	Omaha	Nebraska

Sponsors (1)

Lead Sponsor	Collaborator
AstraZeneca

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Maximum Observed Plasma Concentration (Cmax) of Dapagliflozin From a Single Dose of Dapagliflozin Versus Cmax of Dapagliflozin From Co-administered Saxagliptin Plus Dapagliflozin - Pharmacokinetic Evaluable Population	The geometric mean of the maximum observed plasma concentration (Cmax) is presented below; serial blood samples for determination of study drug were collected predose (0 hours (h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h,and 60 h postdose, relative to dosing on Day 1 in each cross over period and these data are summarized in the Pharmacokinetic (PK) parameter of Cmax presented here. Plasma samples were analyzed for dapagliflozin by High Performance Liquid chromatography-Mass Spectrometry (HPLC-MS/MS) using a validated method; nominal range of 0.200 to 100 nanograms per milliliter (ng/mL). Dapagliflozin Cmax was derived from plasma concentration versus time data using a non-compartmental method, using a validated PK analysis program ™. Actual sampling times were used for PK calculations. Cmax was reported in ng/mL.	Day 1 (0 h to 60 h post dose) in each period	No
Primary	Area Under the Concentration-time Curve (AUC) From Time Zero to Infinity [AUC(INF)] of Dapagliflozin From a Single Dose of Dapagliflozin Versus AUC (INF) of Dapagliflozin When Co-administered With Saxagliptin - PK Evaluable Population	AUC(INF) is area under the plasma concentration-time curve from time 0 extrapolated to infinity. Serial blood samples for determination of study drug were collected predose (0 hours (h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for dapagliflozin by HPLC-MS/MS using a validated method; nominal range of 0.200 to 100 nanograms per milliliter (ng/mL). Actual sampling times were used for PK calculations. AUC(INF) was derived from the plasma concentration versus time profile for study drug using a validated PK analysis program ™ and was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Primary	Area Under the Concentration-time Curve From Time Zero to Time of the Last Quantifiable Concentration AUC(0-T) of Dapagliflozin From a Single Dose of 10 mg Dapagliflozin Versus AUC(0-T) for Dapagliflozin When Co-administered With 5 mg Saxagliptin	AUC(0-T) is area under the plasma concentration-time curve from time 0 to the time of the last quantifiable concentration (linear up/log down trapezoidal method). Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for dapagliflozin by HPLC-MS/MS using a validated method; nominal range of 0.200 to 100 nanograms per milliliter (ng/mL). Actual sampling times were used for PK calculations. AUC(0-T) was derived from the plasma concentration versus time profile for study drug using a validated PK analysis program ™ and was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Primary	Maximum Observed Concentration (Cmax) of a Single Dose of 5 mg Saxagliptin Versus Cmax of Saxagliptin When Co-administered With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin by Liquid chromatography-Mass Spectrometry (LC-MS/MS) using a validated method (quantitation range of 0.100 ng/mL to 50.0 ng/mL). Cmax for Saxagliptin was derived from plasma concentration versus time data using a validated PK analysis program ™ and was measured in nanograms per milliliter (ng/mL).	Day 1 (0h to 60h post dose) in each period	No
Primary	AUC(0-T) of Saxagliptin From Single Dose 5 mg Saxagliptin Versus AUC(0-T) of Saxagliptin When Co-administered With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin by Liquid chromatography-Mass Spectrometry (LC-MS/MS) using a validated method (quantitation range of 0.100 ng/mL to 50.0 ng/mL). AUC(0-T), the area under the plasma concentration-time curve from time 0 to the time of the last quantifiable concentration (linear up/log down trapezoidal method) was derived from the plasma concentration versus time profile for study drug using a validated PK analysis program ™ and was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Primary	AUC(INF) of Saxagliptin From a Single Dose of 5 mg Saxagliptin Versus AUC(INF) of Saxagliptin When Co-administered With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin by LC-MS/MS using a validated method (quantitation range of 0.100 ng/mL to 50.0 ng/mL). AUC(INF) was derived from the plasma concentration versus time profile using a validated PK analysis program ™ and was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Time of Maximum Observed Plasma Concentration (Tmax) of Dapagliflozin From a Single Dose of 10 mg Dapagliflozin Versus Tmax of Dapagliflozin When Co-administered With 5 mg Saxagliptin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for dapagliflozin by HPLC-MS/MS using a validated method. Actual sampling times were used for PK calculations. Tmax was derived from the plasma concentration versus time profile using a validated PK analysis program ™ and was measured in hours.	Day 1 (0h to 60h post dose) in each period	No
Secondary	Half-life (T-HALF) of Dapagliflozin From a Single Dose of Dapagliflozin Versus T-Half of Dapagliflozin When Co-administered With Saxagliptin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for dapagliflozin by HPLC-MS/MS using a validated method. Actual sampling times were used for PK calculations. T-HALF was derived from the plasma concentration versus time profile using a validated PK analysis program ™ and was measured in hours.	Day 1 (0h to 60h post dose) in each period	No
Secondary	Plasma Apparent Clearance (CLT/F) of a Single Dose of Dapagliflozin Versus CLT/F of Dapagliflozin When Co-administered With Saxagliptin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for dapagliflozin by HPLC-MS/MS using a validated method. Actual sampling times were used for PK calculations. CLT/F was calculated as Dose/AUC(INF)and was measured in milliliters per minute (mL/min).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Cmax of 5-Hydroxy (5-OH) Saxagliptin From a Single Dose Saxagliptin Versus Cmax of 5-OH When Saxagliptin Was Co-administered With Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for 5-OH by LC-MS/MS using a validated method (quantitation range of 0.200 ng/mL to 100.0 ng/mL). Actual sampling times were used for PK calculations. Cmax for 5-OH Saxagliptin (the major active metabolite of Saxagliptin) was derived from plasma concentration versus time data using a validated PK analysis program ™ and was measured in ng/mL.	Day 1 (0h to 60h post dose) in each period	No
Secondary	AUC(0-T) of 5-OH Saxagliptin From Single Dose Saxagliptin Versus AUC(0-T) of 5-OH From Saxagliptin Co-administered With Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for 5-OH by LC-MS/MS using a validated method (quantitation range of 0.200 ng/mL to 100.0 ng/mL). AUC(0-T) is area under the plasma concentration-time curve from time 0 to the time of the last quantifiable concentration (linear up/log down trapezoidal method)and was derived from the plasma concentration versus time profile for study drug using a validated PK analysis program ™. AUC (0-T) was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Secondary	AUC(INF) of 5-OH Saxagliptin From a Single Dose Saxagliptin Versus AUC(INF) of 5-OH When Saxagliptin Was Co-administered With Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for 5-OH by LC-MS/MS using a validated method (quantitation range of 0.200 ng/mL to 100.0 ng/mL). AUC(INF) was derived from the plasma concentration versus time profile using a validated PK analysis program ™ and was measured in nanograms*hours per milliliter (ng*h/mL).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Cmax of the Saxagliptin Total Active Moiety From a Single Dose of 5 mg Saxagliptin Versus Cmax of Saxagliptin Total Active Moiety When Saxagliptin Was Co-administered With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Cmax of saxagliptin total active moiety (molar summations of saxagliptin exposure parameter with one-half the molar exposure parameters for 5-OH Saxagliptin) was derived from the plasma concentration versus time profile for the saxagliptin total active moiety. Measurement was in nano Molars (nM).	Day 1 (0h to 60h post dose) in each period	No
Secondary	AUC(INF) and AUC(0-T) of the Saxagliptin Total Active Moiety From a Single Dose 5 mg Saxagliptin Versus AUC(INF) and AUC(0-T) of Saxagliptin Total Active Moiety When Saxagliptin Was Co-administered With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin by LC-MS/MS using a validated method. AUC(INF) is area under the plasma concentration-time curve from time zero extrapolated to infinity; AUC(0-T) is area under the plasma concentration-time curve from time 0 to the time of the last quantifiable concentration (linear up/log down trapezoidal method) and both were derived from the plasma concentration versus time profile using a validated PK analysis program ™. Total moiety (molar summations of saxagliptin exposure parameter with one-half the molar exposure parameters for 5-OH Saxagliptin), AUC(0-T)and AUC(INF) were measured in nano Molars*hours (nM*h).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Tmax of Saxagliptin, 5-OH Saxagliptin, Saxagliptin Total Active Moiety From a Single Dose of Saxagliptin Versus Tmax of Saxagliptin, 5-OH, Saxagliptin Total Active Moiety When Saxagliptin Was Co-administered With Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin and 5-OH by LC-MS/MS using a validated method. Tmax was derived from the plasma concentration versus time profile for study drug and was measured in hours (h). Saxagliptin was the drug, 5-OH saxagliptin was the metabolite, and Saxagliptin total Active Moiety was molar summations of saxagliptin exposure parameter with one-half the molar exposure parameters for 5-OH Saxagliptin.	Day 1 (0h to 60h post dose) in each period	No
Secondary	Half-life (T-HALF) of Saxagliptin, and 5-OH Saxagliptin From Single Dose 5 mg Saxagliptin Versus T-HALF of Saxagliptin and 5-OH From Co-administered Saxagliptin With 10 mg Dapagliflozin - PK Evaluable Population	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Plasma samples were analyzed for saxagliptin by LC-MS/MS using a validated method. T-HALF was derived from the plasma concentration versus time profile using a validated PK analysis program ™ and was measured in hours (h).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Metabolite to Parent Molar Ratios (MR) of Cmax, AUC(INF), and AUC(0-T) of 5-OH Saxagliptin and Saxagliptin From a Single Dose 5 mg Saxagliptin Versus MR of Saxagliptin and 5-OH When Saxagliptin Was Co-administered With 10 mg Dapagliflozin - PK Evaluable	Serial blood samples for determination of study drug were collected predose (0 h), 6 h, 12 h, 18 h, 24 h, 30 h, 36 h, 42 h, 48 h, 54 h and 60 h postdose, relative to dosing on Day 1 in each cross over period. Saxagliptin is the parent drug and 5-OH saxagliptin is the metabolite. The molecular weights to be used for the molar ratios were 315.42 and 331.42 for saxagliptin and 5-OH, respectively. Plasma samples were analyzed for saxagliptin and for 5-OH by LC-MS/MS using a validated method (quantitation range of 0.100 ng/mL to 50.0 ng/mL and 0.200 ng/mL to 100.0 ng/mL for saxagliptin and 5-OH, respectively).	Day 1 (0h to 60h post dose) in each period	No
Secondary	Number of Participants With Deaths, Serious Adverse Events, Adverse Events, or Discontinuations Due to Adverse Events - Safety Population	Adverse event (AE)=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. Serious adverse event (SAE)=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Treatment-related=having certain, probable, possible, or missing relationship to study drug. Grade (Gr) 1=Mild, Gr 2=Moderate, Gr 3=Severe, Gr 4=Life-threatening or disabling, Gr 5=Death. End of study was approximately 16 days and was the time for a participant to conclude each of the 3 periods (including the 6 day washout between periods).	Day 1 to end of study (16 days)	Yes
Secondary	Number of Participants With Marked Hematology Laboratory Abnormalities - Safety Population	Fasted for 10 hours prior to samples taken. Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period. Lower limit of normal (LLN); upper limit of normal (ULN); pretreatment(pre-RX); treatment (RX). Hemoglobin (g/L): <0.85* pre-RX; hematocrit (vol): <0.85*pre-RX; erythrocytes (*10^12 c/L): <0.85*pre-RX; platelet count (*10^9 c/L): <0.85*LLN if pre-RX>=LLN, or if Pre-Tx	Baseline to Day 1 of each period	Yes
Secondary	Mean Change From Baseline in Systolic and Diastolic Blood Pressure - Safety Population	Blood pressure was taken while the participant was quietly seated for at least 5 minutes. Blood pressure was measured in millimeters of mercury (mmHg). Baseline was Day -1 in Period 1; study drug was administered on Day 1 of each crossover period.	Baseline to Day 1 of each period	Yes
Secondary	Mean Change From Baseline in Heart Rate - Safety Population	Heart rates were taken while the participant was sitting quietly for at least 5 minutes and were measured in beats per minute (bpm). Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period.	Baseline to Day 1 in each period	Yes
Secondary	Mean Change From Baseline in Respiration Rate - Safety Population	Respiration rates were taken while the participant was sitting quietly for at least 5 minutes and were measured in breaths per minute (bpm). Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period.	Baseline to Day 1 in each period	Yes
Secondary	Mean Change From Baseline in Temperature - Safety Population	Participant had their temperature taken after quietly sitting for at least 5 minutes and it was measured as degrees of centigrade (C). Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period.	Baseline to Day 1 in each period	Yes
Secondary	Number of Participants With Marked Chemistry Laboratory Abnormalities - Safety Population	Fasted for 10 hours prior to samples taken. Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period. Lower limit of normal(LLN); upper limit of normal (ULN); pre-treatment(Pre-Rx). Alkaline phosphatase U/L:>1.25*Pre-RX if Pre-Rx >ULN or >1.25*ULN if Pre-Rx <=ULN; aspartate aminotransferase (AST) U/L: >1.25*Pre-Rx if Pre-Rx > ULN or 1.25*ULN if Pre-Rx <= ULN;alanine aminotransferase (ALT) U/L: >1.25*Pre-Rx if Pre-Rx>ULN or 1.25*ULN if Pre-Rx<=ULN;blood urea nitrogen (BUN)mmol/L: >1.1*ULN if Pre-Rx <=ULN or >1.2*Pre-Rx if Pre-Rx >ULN; total bilirubin µmol/L: >1.1*ULN if Pre-Rx <=ULN or >1.25*Pre-Rx if Pre-Rx >ULN;direct bilirubin µmol/L: >1.1*ULN if Pre-Rx <= ULN or >1.25*Pre-Rx if Pre-Rx > ULN; creatine phosphokinase (CK) U/L: >1.5*Pre-Rx if Pre-Rx >ULN or >1.5*ULN if Pre-Rx <= ULN.	Baseline to Day 1 in each period	Yes
Secondary	Number of Participants With Marked Urinalysis Laboratory Abnormalities - Safety Population	Baseline was Day -1 of Period 1; study drug was administered on Day 1 of each crossover period. Fasted for 10 hours prior to samples taken. LLN=lower limit of normal; ULN=upper limit of normal; pretreatment (Pre-Rx). Normals: Urine glucose qualitative: dipstick >=1 if Pre-Rx <1 or 2*Pre-Rx if Pre-Rx>=1; urine microscopic white blood cell count (WBC): >=2 if Pre-Rx <2 or >=4 if Pre-Rx >=2;urine red blood cell count (RBC):>=2 if Pre-Rx <2 or >=4 if Pre-Rx >=2.	Baseline to Day 1 of each period	Yes
Secondary	Number of Participants With Change From Baseline in ECG Interval - Safety Population	A 12-Lead electrocardiogram (ECG) was performed and recorded after the participant had been supine for at least 5 minutes. ECGs done at baseline (Day-1 of Period 1) and at end of study; therefore the results are presented by sequence, and cannot be presented by treatment. QT interval (measure between Q wave and T wave in the heart's electrical cycle); and QT interval corrected for heart rate using Fridericia's formula (QTcF) were measured in milliseconds (msec). Abnormality criteria: QT/QTcF QT or QTcF >450 msec and <=480 msec at any postdose time point and not present at baseline. QT or QTcF >480 msec and <=500 msec at any postdose time point and not present at baseline QT or QTcF >500 msec at any postdose time point and not present at baseline. QT/QTcF Increase from baseline >60 msec for at least 1 postdose measurement. Increase from baseline in QT or QTcF >30 msec for at least 1 postdose measurement, but <=60 msec for all postdose measurements.	Baseline to end of study (16 days)	Yes

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