CClinicalTrials.gg
CompletedNCT00943917Updated Apr 13, 2015Results posted

Study of ITCA 650 (Exenatide in DUROS) in Subjects With Type 2 Diabetes Mellitus

A Phase 2 interventional study of ITCA 650 and Exenatide Injection in Type 2 Diabetes, sponsored by Intarcia Therapeutics. Completed at 50 sites in United States. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2015-04-13.

Sponsored by Intarcia Therapeutics · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
155
Allocation
Randomized
Ages
18 Years to 70 Years
Sex
All
01

Study summary

The purpose of this study is to determine safety, efficacy and tolerability of various doses of ITCA 650 in subjects with type 2 diabetes.

02

Conditions studied

03

In context

Diabetes Mellitus

10,925 studies on the registry are indexed under Diabetes Mellitus; 1,319 are open to participants now.

This study's enrollment of 155 is above the median of 80 across 8,367 interventional studies indexed under Diabetes Mellitus.

Browse Diabetes Mellitus studies →

Lead sponsor

Intarcia Therapeutics is the lead sponsor of 21 studies on the registry; none are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Males or females age 18-70 years
  • Type 2 diabetes mellitus for ≥ 6 months prior to Screening Visit 1
  • On a stable (> 3 months prior to Screening Visit 1) treatment regimen of metformin monotherapy;
  • Fasting plasma glucose \< 240 mg/dL at Screening Visit 1
  • HbA1c ≥ 7% and ≤ 10% at Screening Visit 1

Exclusion criteria

Exclusion Criteria:

  • Prior treatment with exenatide
  • Treatment with any of the following antidiabetic agents within 3 months prior to Screening Visit 1: TZDs, sulfonylureas, DPP IV inhibitors, acarbose, or insulin (injected or inhaled)
  • History of type 1 diabetes and/or history of diabetic ketoacidosis
  • Body mass index ≥ 40 kg/m2;
  • History of organ transplantation
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
155 participants (actual)

Study arms

  • Experimental
    ITCA 650 20 mcg/day

    Other: ITCA 650

  • Experimental
    ITCA 650 40 mcg/day

    Other: ITCA 650

  • Active comparator
    Exenatide Injection

    Drug: Exenatide Injection

  • Experimental
    ITCA 650 20/20

    Other: ITCA 650

  • Experimental
    ITCA 650 20/60

    Other: ITCA 650

  • Experimental
    ITCA 650 40/40

    Other: ITCA 650

  • Experimental
    ITCA 650 40/80

    Other: ITCA 650

  • Experimental
    Ex Inj/ITCA 650 40

    Other: Ex Inj/ITCA 650

  • Experimental
    Ex Inj/ITCA 650 60

    Other: Ex Inj/ITCA 650

Interventions

  • OtherITCA 650

    ITCA 650 (continuous delivery of exenatide in DUROS)

  • DrugExenatide Injection

    twice daily (BID) injections of exenatide commercially available Byetta: 5 mcg/dose first 12 weeks then 10 mcg/dose for 8 weeks

    Also known as: Byetta

  • OtherEx Inj/ITCA 650

    twice-daily (BID) exenatide injection: 5 mcg/dose for 4 weeks then 10 mcg/dose for 8 weeks, followed by ITCA 650

    Also known as: Byetta

06

What researchers measure

Primary outcomes

  1. Mean Change in HbA1c (Per Protocol)

    Mean change in HbA1c over first 12 weeks (Stage I)

    Time frame: Day 0 and Week 12

  2. Mean Change in HbA1c (ITT)

    Mean change in HbA1c through Week 12

    Time frame: Day 0 to Week 12

  3. Mean Change in HbA1c (Per Protocol)

    Mean change in HbA1c through Week 24

    Time frame: Day 0 to Week 24

  4. Mean Change in HbA1c (ITT)

    Mean change in HbA1c through Week 24

    Time frame: Day 0 to Week 24

  5. Mean Change in HbA1c (Per Protocol)

    Mean change in HbA1c through Week 48

    Time frame: Day 0 to Week 48

  6. Mean Change in HbA1c (ITT)

    Mean change in HbA1c through Week 48

    Time frame: Day 0 to Week 48

07

Results

Posted May 3, 2012
Limitations and caveats
8 subjects (4 in 20, 1 in 40 and 3 in ex inj)completed StI but not randomized to St II; 3 subjects (2 in 20/20 \& 1 in 40/80) who completed St I, randomized to St II but not given study drug. St II Cont was optional, so not all pts elected to continue

Participant flow

Stage I
Participant flow — Stage I
MilestoneITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 Continuation
Started515153000000000000
Completed474847000000000000
Not completed436000000000000
Withdrew: Adverse event122000000000000
Withdrew: Lost to follow-up001000000000000
Withdrew: Hyperglycemia001000000000000
Withdrew: A1c elevation100000000000000
Withdrew: Withdrawal by subject212000000000000
Stage II
Participant flow — Stage II
MilestoneITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 Continuation
Started000202123232321000000
Completed000202120202320000000
Not completed000003301000000
Withdrew: Adverse event000001301000000
Withdrew: Withdrawal by subject000001000000000
Withdrew: Pregnancy000001000000000
Stage II Continuation
Participant flow — Stage II Continuation
MilestoneITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 Continuation
Started000000000151513161512
Completed00000000014151113128
Not completed000000000102334
Withdrew: Adverse event000000000001211
Withdrew: Withdrawal by subject000000000000013
Withdrew: Protocol violation000000000101000
Withdrew: Hypoglycemia000000000000100
Withdrew: A1c elevation000000000000010

Outcome measures

PrimaryMean Change in HbA1c (Per Protocol)

Mean change in HbA1c over first 12 weeks (Stage I)

Time frame:
Day 0 and Week 12
Reported as:
Mean · percent change
Mean Change in HbA1c (Per Protocol)
percent changeITCA 650 20 mcg/Day - STAGE IITCA 650 40 mcg/Day - STAGE IExenatide Injection - STAGE I
Mean Change in HbA1c (Per Protocol)-0.96 ± 0.905-1.04 ± 0.713-0.82 ± 0.870
PrimaryMean Change in HbA1c (ITT)

Mean change in HbA1c through Week 12

Time frame:
Day 0 to Week 12
Reported as:
Mean · percent change
Mean Change in HbA1c (ITT)
percent changeITCA 650 20 mcg/Day - STAGE IITCA 650 40 mcg/Day - STAGE IExenatide Injection - STAGE I
Mean Change in HbA1c (ITT)-.93 ± 0.882-0.96 ± 0.724-0.75 ± 0.866
PrimaryMean Change in HbA1c (Per Protocol)

Mean change in HbA1c through Week 24

Time frame:
Day 0 to Week 24
Reported as:
Mean · percent change
Mean Change in HbA1c (Per Protocol)
percent changeITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60
Mean Change in HbA1c (Per Protocol)-.89 ± .660-1.26 ± .950-0.67 ± .908-1.36 ± 0.664-1.01 ± 0.823-1.51 ± 1.266
PrimaryMean Change in HbA1c (ITT)

Mean change in HbA1c through Week 24

Time frame:
Day 0 to Week 24
Reported as:
Mean · percent change
Mean Change in HbA1c (ITT)
percent changeITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60
Mean Change in HbA1c (ITT)-0.89 ± 0.660-1.26 ± 0.950-0.70 ± 0.892-1.36 ± 0.664-1.01 ± 0.823-1.51 ± 1.266
PrimaryMean Change in HbA1c (Per Protocol)

Mean change in HbA1c through Week 48

Time frame:
Day 0 to Week 48
Reported as:
Mean · percent change
Mean Change in HbA1c (Per Protocol)
percent changeITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60
Mean Change in HbA1c (Per Protocol)-1.00 ± 0.493-1.23 ± 0.908-0.69 ± 1.182-1.37 ± 0.837-1.45 ± 0.895-1.88 ± 1.212
PrimaryMean Change in HbA1c (ITT)

Mean change in HbA1c through Week 48

Time frame:
Day 0 to Week 48
Reported as:
Mean · percent change
Mean Change in HbA1c (ITT)
percent changeITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60
Mean Change in HbA1c (ITT)-1.13 ± 0.651-1.25 ± 0.880-0.48 ± 1.555-1.40 ± 0.803-1.16 ± 0.988-1.84 ± 1.570

Adverse events

Collected over 48 weeks. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
ITCA 650 20 mcg/Day—1/51 (2%)39/51 (76.5%)
ITCA 650 40 mcg/Day—0/51 (0%)43/51 (84.3%)
Exenatide Injection—0/53 (0%)38/53 (71.7%)
ITCA 650 20/20—1/20 (5%)11/20 (55%)
ITCA 650 20/60—1/21 (4.8%)15/21 (71.4%)
ITCA 650 40/40—2/23 (8.7%)18/23 (78.3%)
ITCA 650 40/80—2/23 (8.7%)18/23 (78.3%)
Ex Inj/ITCA 650 40—0/23 (0%)18/23 (78.3%)
Ex Inj/ITCA 650 60—0/21 (0%)18/21 (85.7%)
ITCA 650 20/20 Continuation—0/15 (0%)2/15 (13.3%)
ITCA 650 20/60 Continuation—1/15 (6.7%)3/15 (20%)
ITCA 650 40/40 Continuation—1/13 (7.7%)3/13 (23.1%)
ITCA 650 40/80 Continuation—2/16 (12.5%)6/16 (37.5%)
Ex Inj/ITCA 40 Continuation—0/15 (0%)4/15 (26.7%)
Ex Inj/ITCA 650 60 Continutation—0/12 (0%)4/12 (33.3%)
Most frequent serious events
Showing 10 of 13
Most frequent serious events
EventITCA 650 20 mcg/DayITCA 650 40 mcg/DayExenatide InjectionITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60ITCA 650 20/20 ContinuationITCA 650 20/60 ContinuationITCA 650 40/40 ContinuationITCA 650 40/80 ContinuationEx Inj/ITCA 40 ContinuationEx Inj/ITCA 650 60 Continutation
rectal cancerNeoplasms benign, malignant and unspecified (incl cysts and polyps)0/510/510/530/200/210/230/230/230/210/150/151/130/160/150/12
labyrinthitisInfections and infestations0/510/510/530/200/210/230/230/230/210/151/150/130/160/150/12
myocardial infarctionCardiac disorders0/510/510/530/200/210/230/230/230/210/150/150/131/160/150/12
subclavian artery stenosisVascular disorders0/510/510/530/200/210/230/190/230/210/150/150/131/160/150/12
leukopeniaBlood and lymphatic system disorders0/510/510/530/200/210/191/190/220/200/150/150/130/160/150/12
meningitis cryptococcalInfections and infestations0/510/510/530/200/210/191/190/220/200/150/150/130/160/150/12
abortion, spontaneousPregnancy, puerperium and perinatal conditions0/510/510/530/200/211/190/230/230/210/150/150/130/160/150/12
skin ulcerSkin and subcutaneous tissue disorders0/510/510/531/200/210/230/230/230/210/150/150/130/160/150/12
prostatomegalyReproductive system and breast disorders0/510/510/530/201/210/230/230/230/210/150/150/130/160/150/12
pyrexiaGeneral disorders0/510/510/530/200/210/231/230/230/210/150/150/130/160/150/12
Most frequent other events
Showing 10 of 18
Most frequent other events
EventITCA 650 20 mcg/DayITCA 650 40 mcg/DayExenatide InjectionITCA 650 20/20ITCA 650 20/60ITCA 650 40/40ITCA 650 40/80Ex Inj/ITCA 650 40Ex Inj/ITCA 650 60ITCA 650 20/20 ContinuationITCA 650 20/60 ContinuationITCA 650 40/40 ContinuationITCA 650 40/80 ContinuationEx Inj/ITCA 40 ContinuationEx Inj/ITCA 650 60 Continutation
nauseaGastrointestinal disorders17/5124/5119/532/207/211/236/231/238/210/150/150/130/160/150/12
incision site hematomaInjury, poisoning and procedural complications8/518/510/535/202/213/233/232/235/210/150/150/130/160/150/12
vomitingGastrointestinal disorders6/519/514/531/200/211/235/231/235/210/150/150/130/160/150/12
incision site painInjury, poisoning and procedural complications0/510/510/533/202/215/233/233/232/210/151/150/133/161/151/12
diarrheaGastrointestinal disorders2/518/513/531/202/211/233/234/234/210/150/150/130/160/150/12
constipationGastrointestinal disorders3/514/511/530/200/212/230/233/234/210/150/150/130/160/150/12
urinary tract infectionInfections and infestations0/510/510/531/201/214/231/231/231/212/152/151/130/162/150/12
incision site complicationInjury, poisoning and procedural complications0/510/510/531/201/212/232/230/231/211/151/150/131/161/152/12
incision site pruritisInjury, poisoning and procedural complications3/517/510/530/201/212/232/232/230/210/150/151/130/160/150/12
decreased appetiteMetabolism and nutrition disorders6/517/515/531/201/212/232/232/231/210/150/150/130/160/150/12

Baseline characteristics

Age, Continuous
Age, Continuous(years)ITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 ContinuationTotal
Mean54.0 ± 8.353.3 ± 8.953.8 ± 9.6————————————53.7 ± 8.9
Age, Customized
Age, Customized(participants)ITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 ContinuationTotal
<=18 years000————————————0
Between 18 and 60 years413739————————————117
>=60 years101414————————————38
Gender
Gender(participants)ITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 ContinuationTotal
Female262824————————————78
Male252329————————————77
Region of Enrollment
Region of Enrollment(participants)ITCA 650 20 mcg/Day- STAGE IITCA 650 40 mcg/Day- STAGE IExenatide Injection- STAGE IITCA 650 20/20- STAGE IIITCA 650 20/60- STAGE IIITCA 650 40/40 - STAGE IIITCA 650 40/80 - STAGE IIEx Inj/ITCA 650 40 mcg/Day- STAGE IIEx Inj/ITCA 650 60 mcg/Day- STAGE IIITCA 650 20/20 ContinuationITCA 650 20/40 ContinuationITCA 650 40/40 ContinationITCA 650 40/80 ContinuationEx Inj/ITCA 650 40 ContinuationEx Inj/ITCA 650 60 ContinuationTotal
United States515153————————————155
08

Study locations

50 sites
  • Study Site
    Chino, California 91710, United States
  • Study Site
    La Jolla, California 92037, United States
  • Study Site
    National City, California 91950, United States
  • Study Site
    Sacramento, California 95821, United States
  • Study Site
    San Diego, California 92161, United States
  • Study Site
    Valley Village, California 91607, United States
  • Study Site
    Longmont, Colorado 80501, United States
  • Study Site
    Pueblo, Colorado 81001, United States
  • Study Site
    Bradenton, Florida 34203, United States
  • Study Site
    Miami, Florida 33143, United States
  • Study Site
    Miami, Florida 33169, United States
  • Study Site
    Miami, Florida 33183, United States
  • Study Site
    Miramar, Florida 33025, United States
  • Study Site
    Pembroke Pines, Florida 33026, United States
  • Study Site
    St Petersburg, Florida 33709, United States
  • Study Site
    Atlanta, Georgia 30342, United States
  • Study Site
    Sandy Springs, Georgia 30328, United States
  • Study Site
    Meridian, Idaho 83642, United States
  • Study Site
    Chicago, Illinois 60607, United States
  • Study Site
    Avon, Indiana 46123, United States
  • Study Site
    Wichita, Kansas 67205, United States
  • Study Site
    Lexington, Kentucky 40503, United States
  • Study Site
    New Orleans, Louisiana 70112, United States
  • Study Site
    Kalamazoo, Michigan 49007, United States
  • Study Site
    Traverse City, Michigan 49684, United States
  • Study Site
    Troy, Michigan 48098, United States
  • Study Site
    Ypsilanti, Michigan 48197, United States
  • Study Site
    Minneapolis, Minnesota 55416, United States
  • Study Site
    Las Vegas, Nevada 89119, United States
  • Study Site
    New Hyde Park, New York 11042, United States
  • Study Site
    Charlotte, North Carolina 28209, United States
  • Study Site
    Hickory, North Carolina 28601, United States
  • Study Site
    Cincinatti, Ohio 45212, United States
  • Study Site
    Cincinnati, Ohio 45219, United States
  • Study Site
    Franklin, Ohio 45005, United States
  • Study Site
    Kettering, Ohio 45429, United States
  • Study Site
    Norman, Oklahoma 73069, United States
  • Study Site
    Eugene, Oregon 97404, United States
  • Study Site
    Rapid City, South Dakota 57702, United States
  • Study Site
    Austin, Texas 78749, United States
  • Study Site
    Austin, Texas 78752, United States
  • Study Site
    Dallas, Texas 75230, United States
  • Study Site
    Dallas, Texas 75251, United States
  • Study Site
    Irving, Texas 75039, United States
  • Study Site
    San Antonio, Texas 78205, United States
  • Study Site
    San Antonio, Texas 78229, United States
  • Study Site
    West Jordan, Utah 84088, United States
  • Study Site
    Norfolk, Virginia 23502, United States
  • Study Site
    Olympia, Washington 98502, United States
  • Study Site
    Spokane, Washington 99202, United States
09

References and documents

Publications

  • Henry RR, Rosenstock J, Logan DK, Alessi TR, Luskey K, Baron MA. Randomized trial of continuous subcutaneous delivery of exenatide by ITCA 650 versus twice-daily exenatide injections in metformin-treated type 2 diabetes. Diabetes Care. 2013 Sep;36(9):2559-65. doi: 10.2337/dc12-2410. Epub 2013 May 3. Erratum In: Diabetes Care. 2014 Jan;37(1):312. Dosage error in article text. PubMed 23645886 ↗
10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 13, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT00943917
Lead sponsor
Intarcia Therapeutics
Responsible party
Sponsor
First posted
Jul 22, 2009
Start date
Aug 2009
Primary completion
Aug 2010
Completion
Feb 2011
Results posted
May 3, 2012
Last update
Apr 13, 2015

Oversight

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

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