CClinicalTrials.gg
CompletedNCT01652716DURATION-NEO-1Updated Jul 3, 2018Results posted

Efficacy and Safety of Exenatide Once Weekly Suspension in Subjects With Type 2 Diabetes

A Phase 3 interventional study of Exenatide once weekly suspension and Exenatide twice daily in Diabetes Mellitus, Type 2, sponsored by AstraZeneca. Completed at 58 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2018-07-03.

Sponsored by AstraZeneca · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
377
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

To compare the effect on glycemic control (HbA1c) of exenatide suspension administered once weekly to that achieved by exenatide administered twice daily for 28 weeks in subjects with type 2 diabetes mellitus.

To examine the long-term (52 weeks of treatment) safety and effect on glucose control of exenatide suspension administered once weekly in subjects with type 2 diabetes mellitus.

02

Conditions studied

  • Diabetes Mellitus, Type 2
03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,318 are open to participants now.

This study's enrollment of 377 is above the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus 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

  • At least 18 years old
  • Diagnosed with type 2 diabetes mellitus
  • HbA1c 7.1 to 11%, inclusive, at screening
  • Fasting plasma glucose \<280 mg/dL (15.5 mmol/L)
  • Body mass index (BMI) \<=45 kg/m2, inclusive, at screening
  • Treated with diet and exercise or a stable regimen of metformin, sulfonylurea, pioglitazone or any 2 of these agents

Exclusion criteria

Exclusion Criteria:

  • History of pancreatitis or triglycerides >=500 mg/dL
  • Medullary carcinoma or multiple endocrine neoplasia (MEN2) or a family history of either
  • Active cardiovascular disease
  • Presence of congestive heart failure
  • Liver disease
  • History of severe gastrointestinal diseases
  • Repeated severe hypoglycemia within the last 6 months
  • Any previous use of exenatide or other glucagon-like peptide-1 (GLP-1 ) analog
  • Dipeptidyl peptidase-4 (DPP-4) inhibitor use in the last 3 months
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
377 participants (actual)

Study arms

  • Experimental
    Exenatide once weekly suspension

    Exenatide suspension 2 mg weekly subcutaneous injection

    Drug: Exenatide once weekly suspension

  • Active comparator
    Exenatide twice daily (BID)

    Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks

    Drug: Exenatide twice daily

Interventions

  • DrugExenatide once weekly suspension

    Exenatide suspension 2 mg weekly subcutaneous injection

  • DrugExenatide twice daily

    5 mcg twice daily for 4 weeks followed by 10 mcg twice daily for 24 weeks

    Also known as: Byetta

06

What researchers measure

Primary outcomes

  1. Change in HbA1c (Glycosylated Hemoglobin) From Baseline to Week 28

    The primary objective of this study was to compare the effect on glycemic control (HbA1c) of exenatide suspension administered once weekly to that achieved by exenatide administered twice daily for 28 weeks in subjects with type 2 diabetes mellitus.

    Time frame: Baseline to Week 28

Secondary outcomes

  1. Percentage of Subjects Achieving HbA1c <7% at Week 28

    Percentage of subjects achieving HbA1c \<7% at Week 28/Study Termination

    Time frame: Baseline to Week 28

  2. Change in Fasting Plasma Glucose Concentrations From Baseline to Week 28

    Change in fasting plasma glucose concentrations from baseline to Week 28/Study Termination

    Time frame: Baseline to Week 28

  3. Change in Body Weight (kg) From Baseline to Week 28

    Change in body weight (kg) from baseline to Week 28/Study Termination.

    Time frame: Baseline to Week 28

  4. Change in 2-hour Postprandial Glucose Concentrations From Baseline to Week 16

    Change in 2-hour postprandial glucose concentrations from baseline to Week 16.

    Time frame: Baseline to Week 16

07

Results

Posted Sep 16, 2015

Participant flow

Participant flow — Overall Study
MilestoneExperimental: Exenatide Once Weekly (QWS) SuspensionActive Comparator: Exenatide Twice Daily (BID)
Started229148
Completed 28-week197118
Completed173102
Not completed5646
Withdrew: Loss of glucose control10
Withdrew: Administrative02
Withdrew: Investigator decision14
Withdrew: Lost to follow-up1211
Withdrew: Protocol violation21
Withdrew: Adverse event710
Withdrew: Withdrawal by subject3318

Outcome measures

PrimaryChange in HbA1c (Glycosylated Hemoglobin) From Baseline to Week 28

The primary objective of this study was to compare the effect on glycemic control (HbA1c) of exenatide suspension administered once weekly to that achieved by exenatide administered twice daily for 28 weeks in subjects with type 2 diabetes mellitus.

Time frame:
Baseline to Week 28
Reported as:
Least squares mean · Percentage of total hemoglobin
Change in HbA1c (Glycosylated Hemoglobin) From Baseline to Week 28
Percentage of total hemoglobinExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
Change in HbA1c (Glycosylated Hemoglobin) From Baseline to Week 28-1.39 ± 0.0930-1.02 ± 0.1147
Statistical analysis
  • Experimental: Exenatide QWS Suspension vs Active Comparator: Exenatide BID · Mixed model for repeated measure (MMRM) · p = 0.0072 · Ls mean difference: -0.37 · 95% CI -0.63 to -0.10Based on a repeated measures mixed model including fixed categorical effects of treatment
SecondaryPercentage of Subjects Achieving HbA1c <7% at Week 28

Percentage of subjects achieving HbA1c \<7% at Week 28/Study Termination

Time frame:
Baseline to Week 28
Reported as:
Number · Percentage of subjects
Percentage of Subjects Achieving HbA1c <7% at Week 28
Percentage of subjectsExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
Baseline Yes3.91.4
Baseline No95.298.6
Week 28 Yes49.343.2
Week 28 No49.856.8
Baseline missing0.90
Statistical analysis
  • Experimental: Exenatide QWS Suspension vs Active Comparator: Exenatide BID · Cochran-Mantel-Haenszel · p = 0.2247
SecondaryChange in Fasting Plasma Glucose Concentrations From Baseline to Week 28

Change in fasting plasma glucose concentrations from baseline to Week 28/Study Termination

Time frame:
Baseline to Week 28
Reported as:
Least squares mean · mg/dL
Change in Fasting Plasma Glucose Concentrations From Baseline to Week 28
mg/dLExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
Change in Fasting Plasma Glucose Concentrations From Baseline to Week 28-32.7 ± 3.906-22.5 ± 4.917
Statistical analysis
  • Experimental: Exenatide QWS Suspension vs Active Comparator: Exenatide BID · Cochran-Mantel-Haenszel · p = 0.1656 (Adjusted) · Ls mean difference: -10.2 · 95% CI -21.7 to 1.3
SecondaryChange in Body Weight (kg) From Baseline to Week 28

Change in body weight (kg) from baseline to Week 28/Study Termination.

Time frame:
Baseline to Week 28
Reported as:
Least squares mean · kg
Change in Body Weight (kg) From Baseline to Week 28
kgExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
Change in Body Weight (kg) From Baseline to Week 28-1.49 ± 0.2842-1.89 ± 0.3640
Statistical analysis
  • Experimental: Exenatide QWS Suspension vs Active Comparator: Exenatide BID · Cochran-Mantel-Haenszel · p = 0.3744 · Ls mean difference: 0.40 · 95% CI -0.48 to 1.28
SecondaryChange in 2-hour Postprandial Glucose Concentrations From Baseline to Week 16

Change in 2-hour postprandial glucose concentrations from baseline to Week 16.

Time frame:
Baseline to Week 16
Reported as:
Least squares mean · mg/dL
Change in 2-hour Postprandial Glucose Concentrations From Baseline to Week 16
mg/dLExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
Change in 2-hour Postprandial Glucose Concentrations From Baseline to Week 16-87.00 ± 12.8374-113.74 ± 14.8042
Statistical analysis
  • Experimental: Exenatide QWS Suspension vs Active Comparator: Exenatide BID · Cochran-Mantel-Haenszel · p = 0.0985 · Ls mean difference: 26.74 · 95% CI -5.16 to 58.64

Adverse events

Collected over up to 52 week data reported. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Experimental: Exenatide QWS Suspension—12/229 (5.2%)121/229 (52.8%)
Active Comparator: Exenatide BID—17/146 (11.6%)94/146 (64.4%)
Most frequent serious events
Showing 10 of 28
Most frequent serious events
EventExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
PancreatitisGastrointestinal disorders2/2290/146
CellulitisInfections and infestations0/2291/146
Septic ShockInfections and infestations0/2291/146
Diverticular PerforationGastrointestinal disorders0/2291/146
Toxic EncephalopathyNervous system disorders0/2291/146
Drug Withdrawal SyndromeGeneral disorders0/2291/146
Lactic AcidosisMetabolism and nutrition disorders0/2291/146
Basal Cell CarcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)0/2291/146
Uterine LeiomyomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)0/2291/146
Renal Failure AcuteRenal and urinary disorders0/2291/146
Most frequent other events
Most frequent other events
EventExperimental: Exenatide QWS SuspensionActive Comparator: Exenatide BID
NauseaGastrointestinal disorders22/22933/146
Injection Site NoduleGeneral disorders36/2296/146
DiarrhoeaGastrointestinal disorders14/22918/146
VomitingGastrointestinal disorders9/22911/146
Upper Respiratory Tract InfectionInfections and infestations15/2298/146
HeadacheNervous system disorders14/2299/146
NasopharyngitisInfections and infestations11/2299/146

Baseline characteristics

Modified Intent-to-Treat: Subjects who were randomized and received at least one dose of study drug

Age, Continuous
Age, Continuous(Years)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
Mean55.6 ± 9.9856.5 ± 9.0456.0 ± 9.62
Age, Customized
Age, Customized(Participants)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
<65 years182118300
>=65 years472875
Sex: Female, Male
Sex: Female, Male(Participants)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
Female8154135
Male14892240
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
Hispanic or Latino543488
Not Hispanic or Latino174112286
Unknown101
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
White168110278
Black or African American382361
Asian17825
Other325
American Indian or Alaska Native235
Native Hawaiian or Other Pacific Islander101
Weight
Weight(lbs)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
Mean214.52 ± 49.788213.19 ± 40.834214.00 ± 46.445
Baseline HbA1c
Baseline HbA1c(Percentage of total hemoglobin)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
Mean8.47 ± 1.0478.51 ± 1.0048.48 ± 1.029
HbA1c Stratum
HbA1c Stratum(Number of subjects)Experimental: Exenatide QWS SuspensionActive Comparator: Exenatide BIDTotal
<9.0%15997256
>=9.0%6849117
Not Recorded202

2 further baseline measures are reported on the registry.

08

Study locations

58 sites
  • Research Site
    Muscle Shoals, Alabama 35662, United States
  • Research Site
    Mesa, Arizona 85206, United States
  • Research Site
    Phoenix, Arizona 85020, United States
  • Research Site
    Little Rock, Arkansas 72205, United States
  • Research Site
    Escondido, California 92026, United States
  • Research Site
    Garden Grove, California 92844, United States
  • Research Site
    Lomita, California 90717, United States
  • Research Site
    Los Angeles, California 90015, United States
  • Research Site
    Santa Ana, California 92705, United States
  • Research Site
    Spring Valley, California 91978, United States
  • Research Site
    Walnut Creek, California 94598, United States
  • Research Site
    Denver, Colorado 80220, United States
  • Research Site
    Coral Gables, Florida 33134, United States
  • Research Site
    DeLand, Florida 32720, United States
  • Research Site
    Kissimmee, Florida 34741, United States
  • Research Site
    Miami, Florida 33156, United States
  • Research Site
    Orlando, Florida 32806, United States
  • Research Site
    Oviedo, Florida 32765, United States
  • Research Site
    Palm Harbor, Florida 34684, United States
  • Research Site
    Ponte Vedra, Florida 32081, United States
  • Research Site
    Chicago, Illinois 60607, United States
  • Research Site
    Chicago, Illinois 60616, United States
  • Research Site
    Lexington, Kentucky 40503, United States
  • Research Site
    Paducah, Kentucky 42003, United States
  • Research Site
    Lake Charles, Louisiana 70601, United States
  • Research Site
    Columbia, Maryland 21045, United States
  • Research Site
    Elkridge, Maryland 21075, United States
  • Research Site
    Hyattsville, Maryland 20782, United States
  • Research Site
    New Bedford, Massachusetts 02740, United States
  • Research Site
    Detroit, Michigan 48202, United States
  • Research Site
    Troy, Michigan 48098, United States
  • Research Site
    Edina, Minnesota 55435, United States
  • Research Site
    Port Gibson, Mississippi 39150, United States
  • Research Site
    Saint Louis, Missouri 63128, United States
  • Research Site
    Butte, Montana 59701, United States
  • Research Site
    Henderson, Nevada 89052, United States
  • Research Site
    Endwell, New York 13760, United States
  • Research Site
    New Windsor, New York 12553, United States
  • Research Site
    Greensboro, North Carolina 27408, United States
  • Research Site
    Cincinnati, Ohio 45219, United States
  • Research Site
    Cincinnati, Ohio 45227, United States
  • Research Site
    Columbus, Ohio 43213, United States
  • Research Site
    Oklahoma City, Oklahoma 73103, United States
  • Research Site
    Oklahoma City, Oklahoma 73112, United States
  • Research Site
    Portland, Oregon 97239, United States
  • Research Site
    Harleysville, Pennsylvania 19438, United States
  • Research Site
    Charleston, South Carolina 29407, United States
  • Research Site
    Mount Pleasant, South Carolina 29464, United States
  • Research Site
    Dallas, Texas 75230, United States
  • Research Site
    Houston, Texas 77062, United States
  • Research Site
    San Antonio, Texas 78205, United States
  • Research Site
    Murray, Utah 84123, United States
  • Research Site
    Salt Lake City, Utah 84107, United States
  • Research Site
    Manassas, Virginia 20110, United States
  • Research Site
    Norfolk, Virginia 23502, United States
  • Research Site
    Richmond, Virginia 23294, United States
  • Research Site
    Olympia, Washington 98502, United States
  • Research Site
    Spokane, Washington 99202, United States
09

References and documents

Publications

  • Wysham CH, Rosenstock J, Vetter ML, Wang H, Hardy E, Iqbal N. Further improvement in glycemic control after switching from exenatide two times per day to exenatide once-weekly autoinjected suspension in patients with type 2 diabetes: 52-week results from the DURATION-NEO-1 study. BMJ Open Diabetes Res Care. 2020 Oct;8(1):e000773. doi: 10.1136/bmjdrc-2019-000773. PubMed 33037036 ↗
  • Wysham CH, Rosenstock J, Vetter ML, Dong F, Ohman P, Iqbal N. Efficacy and tolerability of the new autoinjected suspension of exenatide once weekly versus exenatide twice daily in patients with type 2 diabetes. Diabetes Obes Metab. 2018 Jan;20(1):165-172. doi: 10.1111/dom.13056. Epub 2017 Aug 22. PubMed 28685973 ↗
10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 3, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT01652716
Lead sponsor
AstraZeneca
Responsible party
Sponsor
First posted
Jul 30, 2012
Start date
Jan 2013
Primary completion
Aug 2014
Completion
Aug 2014
Results posted
Sep 16, 2015
Last update
Jul 3, 2018

Study contacts

Vice President Medical Research & Development, M.D.
study director · Amylin Pharmaceuticals, LLC.

Oversight

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

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