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A Monotherapy Study to Evaluate the Efficacy and Safety of 2 Dose Levels of Albiglutide in Japanese Subjects With Type 2 Diabetes Mellitus (T2DM)

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ClinicalTrials.gov Identifier: NCT01733758
Recruitment Status : Completed
First Posted : November 27, 2012
Results First Posted : May 18, 2015
Last Update Posted : September 22, 2016
Sponsor:
Information provided by (Responsible Party):
GlaxoSmithKline

Study Description
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Brief Summary:
This study is designed to examine the efficacy and safety of 2 dose levels of weekly subcutaneously injected albiglutide compared with placebo and an open label reference arm of daily subcutaneous injections of liraglutide, in Japanese subjects with Type 2 diabetes mellitus.

Condition or disease Intervention/treatment Phase
Diabetes Mellitus, Type 2 Drug: Albiglutide 30 mg weekly Drug: Albiglutide 50 mg weekly Drug: Placebo Drug: Liraglutide 0.9 mg daily Phase 3

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 494 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group, Multicenter Monotherapy Study to Determine the Efficacy and Safety of 2 Dose Levels of Albiglutide in Subjects With Type 2 Diabetes Mellitus
Study Start Date : February 2013
Actual Primary Completion Date : June 2014
Actual Study Completion Date : February 2015

Resource links provided by the National Library of Medicine

Drug Information available for: Albiglutide

Arms and Interventions
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Arm Intervention/treatment
Experimental: Albiglutide 30 mg weekly
Subjects will be randomly assigned to double blind albiglutide 30 mg weekly treatment for 52 weeks
 Drug: Albiglutide 30 mg weekly
Albiglutide will be available as a pen injector that delivers 30mg of albiglutide

Drug: Placebo
Albiglutide matching placebo will be available as a pen injector
Experimental: Albiglutide 50 mg weekly
Subjects will be randomly assigned to double blind albiglutide 50 mg weekly until Week 52
 Drug: Albiglutide 50 mg weekly
Albiglutide will be available as a pen injector that delivers 50mg of albiglutide
Placebo Comparator: Placebo
Subjects will be randomly assigned to double blind matching albiglutide placebo administered weekly. Subjects will then cross-over to double-blind treatment with albiglutide 30 mg weekly at Week 24 until Week 52
 Drug: Placebo
Albiglutide matching placebo will be available as a pen injector
Active Comparator: Liraglutide 0.9 mg daily
Subjects will be randomly assigned to open-label liraglutide for 52 weeks
 Drug: Liraglutide 0.9 mg daily
Liraglutide will be available as prefilled multidose pens that can deliver 0.9 mg dose


Outcome Measures
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Primary Outcome Measures :
  1. Model-adjusted Change From Baseline in Glycosylated Hemoglobin (HbA1c) at Week 24 [ Time Frame: Baseline and Week 24 ]
    HbA1c is a form of hemoglobin that is measured primarily to identify the average plasma glucose concentration over a 2- to 3 month period. The Baseline HbA1c value is defined as the last nonmissing value before the start of treatment. Change from Baseline was calculated as the value at Week 24 minus the value at Baseline. Based on analysis of covariance (ANCOVA): Change at Week 24 = treatment (placebo, albiglutide 30 mg, albiglutide 50 mg) + Baseline HbA1c + prior diabetes therapy + age category (<65 years versus ≥65 years). Participants who discontinued from study treatment before Week 24 had their last post-Baseline HbA1c carried forward for the analysis unless the value is past 14 days after the last dose of study drug. The open-label liraglutide group was a reference group and not included in the primary endpoint analysis model. Descriptive summary statistics are provided as a separate outcome measure.

  2. Mean HbA1c at Baseline, Week 24, and Change From Baseline at Week 24 [ Time Frame: Baseline and Week 24 ]
    HbA1c is a form of hemoglobin that is measured primarily to identify the average plasma glucose concentration over a 2- to 3 month period. The Baseline HbA1c value is defined as the last nonmissing value before the start of treatment. Change from Baseline was calculated as the value at Week 24 minus the value at Baseline. Participants who discontinued from study treatment before Week 24 had their last post-Baseline HbA1c value carried forward for the summary, unless the value was past 14 days after the last dose of study drug. The open-label liraglutide group was a reference group; descriptive statistics comparing albiglutide and liraglutide were exploratory endpoints.


Secondary Outcome Measures :
  1. Change From Baseline in HbA1c at Week 52 [ Time Frame: Baseline and Week 52 ]
    HbA1c is a form of hemoglobin that is measured primarily to identify the average plasma glucose concentration over a 2- to 3- month period. The Baseline HbA1c value is defined as the last non-missing value on or before the start of treatment. Change from Baseline was calculated as the value at Week 52 minus the value at Baseline.

  2. Percentage of Participants Achieving Clinically Meaningful Levels of HbA1c (i.e., the Percentage of Participants Achieving Treatment Goal of <6.5% and <7.0%) at Week 24 [ Time Frame: Week 24 ]
    HbA1c is a form of hemoglobin that is measured primarily to identify the average plasma glucose concentration over a 2- to 3 month period. Clinically meaningful levels of response in HbA1c are defined as <6.5% and <7.0%. Participants who discontinued the study before Week 24 had their last post-Baseline HbA1c value carried forwrad for the summary unless the value was past 14 days after the last dose of study drug.

  3. Percentage of Participants Achieving Clinically Meaningful Levels of HbA1c (i.e., the Percentage of Participants Achieving Treatment Goal of <6.5% and <7.0%) at Week 52 [ Time Frame: Week 52 ]
    HbA1c is a form of hemoglobin that is measured primarily to identify the average plasma glucose concentration over a 2- to 3 month period. Clinically meaningful levels of response in HbA1c are defined as <6.5% and <7.0%.

  4. Change From Baseline in Fasting Plasma Glucose (FPG) at Week 24 [ Time Frame: Baseline and Week 24 ]
    FPG is an indicator of efficacy. The Baseline FPG value is defined as the last non-missing value before the start of treatment. Change from Baseline was calculated as the FPG value at Week 24 minus the FPG value at Baseline. Participants who discontinued from study treatment before Week 24 had their last post-Baseline FPG observation carried forward for the summary unless the value was 14 days past the last dose of study drug.

  5. Change From Baseline in Fasting Plasma Glucose (FPG) at Week 52 [ Time Frame: Baseline and Week 52 ]
    FPG is an indicator of efficacy. The Baseline FPG value is defined as the last non-missing value on or before the start of treatment. Change from Baseline was calculated as the FPG value at Week 52 minus the FPG value at Baseline.

  6. Change From Baseline in Body Weight at Week 24 [ Time Frame: Baseline and Week 24 ]
    The Baseline body weight value is defined as the last non-missing value before the start of treatment. Change from Baseline was calculated as the body weight value at Week 24 minus the value at Baseline. Participants who discontinued from the study treatment before Week 24 had their last non-missing weight carried forward for the summary, unless the value is past 14 days after the last dose of study drug.

  7. Change From Baseline in Body Weight at Week 52 [ Time Frame: Baseline and Week 52 ]
    The Baseline body weight value is defined as the last non-missing value before the start of treatment. Change from Baseline was calculated as the body weight value at Week 52 minus the value at Baseline.

  8. Time to Study Withdrawal Due to Hyperglycemia [ Time Frame: Baseline through Week 52 ]
    Participants who experienced persistent hyperglycemia after uptitration were to be withdrawn from the study. Hyperglycemia is defined as a fasting plasma glucose (FPG) ≥280 mg/dL (≥15.5 mmol/L) from ≥Week 2 to <Week 4, ≥250 mg/dL (≥13.9 mmol/L) from ≥Week 4 to <Week 12, or ≥230 mg/dL (≥12.8 mmol/L) from ≥Week 12 to <Week 52, confirmed a second evaluation within 7 days.

  9. Time to Study Withdrawal for Any Reason [ Time Frame: Baseline through Week 52 ]
    Time to withdrawal was calculated as the number of days between the date of first dose and the date of withdrawal plus 1. Time to withdrawal was summarized by visit.


Eligibility Criteria
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Ages Eligible for Study:   20 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Subjects with diagnosis of Type 2 Diabetes Mellitus, treated with diet and exercise or a stable dose of 1 OAD at screening
  • Body mass index (BMI) 17 to 40 kg/ m^2 inclusive
  • Subjects who are OAD naïve, HbA1c between 7.0% and 10.0% at Screening and at Visit 2; for subjects who enter the study with 1 OAD, HbA1c between 6.5% and 9.5% at Screening and HbA1c between 7.0% and 10.0% at Visit 2
  • Creatinine clearance >30 mL/min (calculated using the Cockcroft-Gault formula)

Exclusion Criteria:

  • History of type 1 diabetes mellitus •Female subject is pregnant, lactating, or <6 weeks postpartum•
  • Clinically significant cardiovascular and/or cerebrovascular disease
  • Current ongoing symptomatic biliary disease, clinical signs or symptoms of pancreatitis, or a history of chronic or acute pancreatitis, as determined by the investigator
  • Serum amylase >=3 ×ULN and/or serum lipase >=2 × ULN and/or subject is experiencing any symptoms possibly related to pancreatitis
  • Prior use of a TZD or GLP-1R agonist within 4 months before Screening
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01733758


Locations
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Sponsors and Collaborators
GlaxoSmithKline
Investigators
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Study Director: GSK Clinical Trials GlaxoSmithKline
More Information
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Additional Information:

Study Data/Documents: Dataset Specification  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Annotated Case Report Form  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Individual Participant Data Set  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Clinical Study Report  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Study Protocol  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Informed Consent Form  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register
Statistical Analysis Plan  This link exits the ClinicalTrials.gov site
Identifier: 113121
For additional information about this study please refer to the GSK Clinical Study Register

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Responsible Party: GlaxoSmithKline
ClinicalTrials.gov Identifier: NCT01733758    
Other Study ID Numbers: 113121
First Posted: November 27, 2012    Key Record Dates
Results First Posted: May 18, 2015
Last Update Posted: September 22, 2016
Last Verified: August 2016
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
Keywords provided by GlaxoSmithKline:
albiglutide
Japanese
GSK716155
Type 2 diabetes mellitus
glucagon-like peptide 1
Additional relevant MeSH terms:
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Diabetes Mellitus
Diabetes Mellitus, Type 2
Glucose Metabolism Disorders
Metabolic Diseases
Endocrine System Diseases
Liraglutide
rGLP-1 protein
 Glucagon-Like Peptide 1
Hypoglycemic Agents
Physiological Effects of Drugs
Incretins
Hormones
Hormones, Hormone Substitutes, and Hormone Antagonists