CClinicalTrials.gg
CompletedNCT01128153Updated Aug 10, 2012Results posted

Saxagliptin Triple Oral Therapy

A Phase 3 interventional study of Saxagliptin and Placebo in Type 2 Diabetes, sponsored by AstraZeneca. Completed at 33 sites in 6 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2012-08-10.

Sponsored by AstraZeneca · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
257
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of this study is to determine whether the addition of saxagliptin to a patient's combination treatment of metformin and sulfonylurea for a 24 week period will provide better control of the patient's type 2 diabetes and will be well tolerated.

Read the detailed description

A 24-week, Multicentre, Randomised, Double-Blind, Placebo-Controlled Phase IIIb Study to Evaluate Efficacy and Safety of Saxagliptin in Combination with Metformin and Sulfonylurea in Subjects with Type 2 Diabetes who have Inadequate Glycaemic Control with Combination of Metformin and Sulfonylurea

02

Conditions studied

  • Type 2 Diabetes

Keywords

  • Type 2 Diabetes
  • Inadequate Glycaemic Control
  • Saxagliptin
  • Metformin
  • Sulfonylurea
  • Triple Oral Therapy
03

In context

Diabetes Mellitus, Type 2

9,359 studies on the registry are indexed under Diabetes Mellitus, Type 2; 1,318 are open to participants now.

This study's enrollment of 257 is above the median of 80 across 7,525 interventional studies indexed under Diabetes Mellitus, Type 2.

Browse Diabetes Mellitus, Type 2 studies →

Lead sponsor

AstraZeneca is the lead sponsor of 3,429 studies on the registry; 270 are open to participants now.

Of its 357 completed or terminated interventional studies of FDA-regulated products, 173 (48%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Written Informed Consent
  • Males or females with type 2 diabetes with inadequate glycaemic control (HbA1c > or = 7% and \< or = 10%) despite being on combination of metformin and sulfonylurea for at least 8 weeks prior to Visit 1
  • BMI \< or = 40 kg/m2

Exclusion criteria

Exclusion Criteria:

  • Symptoms of poorly controlled diabetes including but not limited to marked polyuria and marked polydipsia with > 10% weight loss in 3 months prior to entry, or other signs and symptoms
  • History of diabetic ketoacidosis or hyperosmolar non-ketotic coma
  • Current or prior use within 3 months of Visit 1 of insulin, DDP4 inhibitor, GLP-1 analogues, and/or other oral anti-diabetic agents (other than metformin or sulfonylurea)
  • Treatment with CYP3A4 inducers and/or potent CYP3A4/5 inhibitor
  • Estimated CrCl \< 60 ml/min at Visit 2
  • CHF (NYHA class III or IV) and/or LVEF \<40%
  • Active liver disease and/or significant abnormal liver function defined as AST and/or ALT > 3 x ULN and/or bilirubin > 2.0 mg/dL at Visit 2.
  • Creatine kinase > or = 10 x ULN at Visit 2
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
257 participants (actual)

Study arms

  • Experimental
    Saxagliptin 5 mg once daily

    Drug: Saxagliptin

  • Placebo comparator
    Placebo once daily

    Drug: Placebo

Interventions

  • DrugSaxagliptin

    5 mg tablet once daily for 24 weeks to be taken orally

    Also known as: Onglyza

  • DrugPlacebo

    tablet once daily for 24 weeks to be taken orally

06

What researchers measure

Primary outcomes

  1. Change in HbA1c From Baseline to Week 24, Last Observation Carried Forward (LOCF)

    Adjusted Mean Change in HbA1c from baseline to Week 24 using analysis of covariance model

    Time frame: From Baseline to Week 24 weeks

Secondary outcomes

  1. Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]

    Adjusted Mean Change in 2-hour PPG from baseline to Week 24 using analysis of covariance model

    Time frame: From Baseline to Week 24

  2. Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]

    Adjusted Mean Change in 2-hour PPG from baseline to Week 24 using analysis of covariance model

    Time frame: From Baseline to Week 24

  3. Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]

    Adjusted Mean Change in fasting plasma glucose from baseline to Week 24 using analysis of covariance

    Time frame: From Baseline to Week 24

  4. Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]

    Adjusted Mean Change in FPG from baseline to Week 24 using analysis of covariance model

    Time frame: From Baseline to Week 24

  5. Proportion of Participants Achieving a Therapeutic Response: HbA1c Less Than 7% at Week 24, Last Observation Carried Forward (LOCF)

    Number of participants achieving a glycaemic response defined as HbA1c less than 7% at Week 24

    Time frame: From Baseline to Week 24

07

Results

Posted Aug 3, 2012

Participant flow

Participants were recruited to the study from 35 centres in 6 countries (Australia, United Kingdom, Canada, Korea, India and Thailand). Participants were recruited between June 2010 and December 2010.

Participant flow — Overall Study
MilestoneSAXAGLIPTINPLACEBO
Started129128
Full analysis set127128
Completed113113
Not completed1615
Withdrew: Adverse event13
Withdrew: Condition under investigation worsened87
Withdrew: Withdrawal by subject23
Withdrew: Incorrect enrolment to study21
Withdrew: Protocol violation20
Withdrew: Developed discontinuation criteria11

Outcome measures

PrimaryChange in HbA1c From Baseline to Week 24, Last Observation Carried Forward (LOCF)

Adjusted Mean Change in HbA1c from baseline to Week 24 using analysis of covariance model

Time frame:
From Baseline to Week 24 weeks
Reported as:
Mean · percent
Change in HbA1c From Baseline to Week 24, Last Observation Carried Forward (LOCF)
percentArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Change in HbA1c From Baseline to Week 24, Last Observation Carried Forward (LOCF)-0.74 (-0.89 to -0.60)-0.08 (-0.23 to 0.07)
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = <0.0001 · Mean difference (final values): -0.66 · 95% CI -0.86 to -0.47Adjusted mean treatment difference from the ANCOVA model (Saxagliptin - Placebo)
SecondaryChange in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]

Adjusted Mean Change in 2-hour PPG from baseline to Week 24 using analysis of covariance model

Time frame:
From Baseline to Week 24
Reported as:
Mean · mg/dL
Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]
mg/dLArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]-11.66 (-23.38 to 0.07)5.08 (-6.45 to 16.60)
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = 0.0301 · Mean difference (final values): -16.74 · 95% CI -31.85 to -1.62Adjusted mean treatment difference from the ANCOVA model (Saxagliptin - Placebo)
SecondaryChange in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]

Adjusted Mean Change in 2-hour PPG from baseline to Week 24 using analysis of covariance model

Time frame:
From Baseline to Week 24
Reported as:
Mean · mmol/L
Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]
mmol/LArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Change in 2-hour Postprandial Glucose (PPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]-0.65 (-1.30 to 0.00)0.28 (-0.36 to 0.92)
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = 0.0301 · Mean difference (final values): -0.93 · 95% CI -1.77 to -0.09Adjusted mean treatment difference from the ANCOVA model (Saxagliptin - Placebo)
SecondaryChange in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]

Adjusted Mean Change in fasting plasma glucose from baseline to Week 24 using analysis of covariance

Time frame:
From Baseline to Week 24
Reported as:
Mean · mg/dL
Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]
mg/dLArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mg/dL]-5.28 (-12.67 to 2.11)2.62 (-4.47 to 9.71)
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = 0.0868 · Mean difference (final values): -7.90 · 95% CI -16.96 to 1.15Adjusted mean treatment difference from the ANCOVA model (Saxagliptin - Placebo)
SecondaryChange in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]

Adjusted Mean Change in FPG from baseline to Week 24 using analysis of covariance model

Time frame:
From Baseline to Week 24
Reported as:
Mean · mmol/L
Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]
mmol/LArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Change in Fasting Plasma Glucose (FPG) From Baseline to Week 24, Last Observation Carried Forward (LOCF) Measured as [mmol/L]-0.29 (-0.70 to 0.12)0.15 (-0.25 to 0.54)
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = 0.0868 · Mean difference (final values): -0.44 · 95% CI -0.94 to 0.06Adjusted mean treatment difference from the ANCOVA model (Saxagliptin - Placebo)
SecondaryProportion of Participants Achieving a Therapeutic Response: HbA1c Less Than 7% at Week 24, Last Observation Carried Forward (LOCF)

Number of participants achieving a glycaemic response defined as HbA1c less than 7% at Week 24

Time frame:
From Baseline to Week 24
Reported as:
Number · Participants
Proportion of Participants Achieving a Therapeutic Response: HbA1c Less Than 7% at Week 24, Last Observation Carried Forward (LOCF)
ParticipantsArm 1 - SAXAGLIPTINArm 2 - PLACEBO
Proportion of Participants Achieving a Therapeutic Response: HbA1c Less Than 7% at Week 24, Last Observation Carried Forward (LOCF)3912
Statistical analysis
  • Arm 1 - SAXAGLIPTIN vs Arm 2 - PLACEBO · ANCOVA · p = <0.0001 · Odds ratio (or): 9.006 · 95% CI 3.852 to 21.05Estimated Odds Ratio from the logistic regression model (Saxa/Placebo)

Adverse events

Non-serious events are listed at a 2% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
SAXAGLIPTIN—3/129 (2.3%)53/129 (41.1%)
PLACEBO—7/128 (5.5%)65/128 (50.8%)
Most frequent serious events
Showing 10 of 11
Most frequent serious events
EventSAXAGLIPTINPLACEBO
InfluenzaInfections and infestations0/1291/128
OsteomyelitisInfections and infestations0/1291/128
Squamous Cell CarcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)0/1291/128
Cartilage InjuryInjury, poisoning and procedural complications0/1291/128
ArthritisMusculoskeletal and connective tissue disorders0/1291/128
Musculoskeletal StiffnessMusculoskeletal and connective tissue disorders0/1291/128
Renal ColicRenal and urinary disorders0/1291/128
AsthmaRespiratory, thoracic and mediastinal disorders0/1291/128
Lower Respiratory Tract InfectionInfections and infestations1/1290/128
Laryngeal CancerNeoplasms benign, malignant and unspecified (incl cysts and polyps)1/1290/128
Most frequent other events
Showing 10 of 23
Most frequent other events
EventSAXAGLIPTINPLACEBO
NasopharyngitisInfections and infestations8/12912/128
Urinary Tract InfectionInfections and infestations4/1298/128
DyslipidaemiaMetabolism and nutrition disorders5/1297/128
DiarrhoeaGastrointestinal disorders7/1295/128
HypertensionVascular disorders7/1292/128
Upper Respiratory Tract InfectionInfections and infestations6/1296/128
AnaemiaBlood and lymphatic system disorders1/1295/128
NauseaGastrointestinal disorders2/1294/128
HyperglycaemiaMetabolism and nutrition disorders4/1294/128
Back PainMusculoskeletal and connective tissue disorders1/1294/128

Baseline characteristics

Age Continuous
Age Continuous(years)SAXAGLIPTINPLACEBOTotal
Mean57.2 ± 9.5556.8 ± 11.4957.0 ± 10.54
Sex: Female, Male
Sex: Female, Male(Participants)SAXAGLIPTINPLACEBOTotal
Female4954103
Male8074154
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)SAXAGLIPTINPLACEBOTotal
White5957116
Asian7071141
Region of Enrollment
Region of Enrollment(Participants)SAXAGLIPTINPLACEBOTotal
Australia252550
Canada101020
India353469
Korea, Republic of252449
Thailand81018
United Kingdom262551
BMI
BMI(kg/m2)SAXAGLIPTINPLACEBOTotal
Mean29.4 ± 5.2629.1 ± 4.9329.2 ± 5.09
HbA1c
HbA1c(%)SAXAGLIPTINPLACEBOTotal
Mean8.38 ± 0.8568.19 ± 0.8328.28 ± 0.848
2-hour Postprandial Glucose
2-hour Postprandial Glucose(mg/dL)SAXAGLIPTINPLACEBOTotal
Mean269.18 ± 76.814265.6 ± 69.713267.39 ± 73.220
2-hour Postprandial glucose
2-hour Postprandial glucose(mmol/L)SAXAGLIPTINPLACEBOTotal
Mean14.94 ± 4.26314.74 ± 3.86914.84 ± 4.064

2 further baseline measures are reported on the registry.

08

Study locations

33 sites
  • Research Site
    Broadmeadow, New South Wales, Australia
  • Research Site
    Wollongong, New South Wales, Australia
  • Research Site
    Daw Park, South Australia, Australia
  • Research Site
    Elizabeth Vale, South Australia, Australia
  • Research Site
    Melbourne, Victoria, Australia
  • Research Site
    Camperdown, Australia
  • Research Site
    Herston, Australia
  • Research Site
    St. John's, Newfoundland and Labrador, Canada
  • Research Site
    Sydney Mines, Nova Scotia, Canada
  • Research Site
    Thornhill, Ontario, Canada
  • Research Site
    Kensington, Prince Edward Island, Canada
  • Research Site
    Karnal, Haryana, India
  • Research Site
    Bangalore, Karnataka, India
  • Research Site
    Indore, Madhya Pradesh, India
  • Research Site
    Pune, Maharashtra, India
  • Research Site
    Coimbatore, Tamil Nadu, India
  • Research Site
    Wonju, Kangwon-do, Korea, Republic of
  • Research Site
    Goyang, Kyounggi-do, Korea, Republic of
  • Research Site
    Daegu, Korea, Republic of
  • Research Site
    Seoul, Korea, Republic of
  • Research Site
    Bangkok, Thailand
  • Research Site
    Reading, Berks, United Kingdom
  • Research Site
    ELY, Cambridgeshire, United Kingdom
  • Research Site
    Whitstable, Kent, United Kingdom
  • Research Site
    Westbury, Wiltshire, United Kingdom
  • Research Site
    Ashford, United Kingdom
  • Research Site
    Belfast, United Kingdom
  • Research Site
    Blackpool, United Kingdom
  • Research Site
    Chesterfield, United Kingdom
  • Research Site
    Coventry, United Kingdom
  • Research Site
    Glasgow, United Kingdom
  • Research Site
    Peterborough, United Kingdom
  • Research Site
    Wellingborough, United Kingdom
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 10, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01128153
Lead sponsor
AstraZeneca
Collaborators
Bristol-Myers Squibb
Responsible party
Sponsor
First posted
May 21, 2010
Start date
Jun 2010
Primary completion
Jun 2011
Completion
Jun 2011
Results posted
Aug 3, 2012
Last update
Aug 10, 2012

Study contacts

Jayanti Visvanthan, MD
study chair · AstraZeneca
Simon Fisher, MD
study chair · AstraZeneca
Vinod Mattoo, MD
study chair · Bristol-Myers Squibb
Robert Moses, MBBS
principal investigator · Sydney Diabetes Centre

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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