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GSK189075

Phase 2

Diabetes Mellitus, Type 2 | Small molecule | Metabolic |GSK plc|Last Updated: Dec 6, 2017

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindCONTROLLEDBiomarker
Total Trials5
Total Enrollment706
FDA Designations
No designations recorded
Clinical Trials (5)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00495469Dose-Ranging Study In Subjects With Type 2 Diabetes Mellitus Who Are Treatment-NaivePHASE2 COMPLETED 250Aug 17, 2007Jun 5, 2008Oct 30, 2017157 United States, Canada +14
NCT00500331Dose-Ranging Study in Treatment Naive Type 2 Diabetes Mellitus(T2DM)PHASE2 COMPLETED 334Jan 23, 2007Feb 14, 2008Dec 6, 2017136 United States, Argentina +17
NCT00291356GSK189075, GW869682 Or Placebo In Type 2 Diabetic PatientsPHASE2 COMPLETED 45Jan 1, 2006May 1, 2006Apr 15, 20153 United States, Germany
NCT00625859A Study to Assess the Safety of Repeated Doses of GSK189075 and WELLBUTRIN SR in Healthy Male SubjectsPHASE1 COMPLETED 27Jan 16, 2008Apr 10, 2008Aug 24, 20171 United States
NCT00519480A Study To Assess The Safety And Tolerability Of GSK189075 When Given With A Total Daily Dose Of >/ 2000mg of MetforminPHASE1 COMPLETED 50Sep 11, 2007Apr 1, 2008Sep 6, 20174 United States, Argentina +1
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Study Endpoints
Primary Endpoints
Mean Change From Baseline in Hemoglobin A1c (Glycosylated Hemoglobin) (HbA1c) at Week 12
Baseline (Week 0) and at Week 12

The blood samples were collected at Baseline, Week 4, Week 8 and at Week 12 (or early withdrawal). Baseline was defined as the period immediately preceding treatment with study medication (Week 0). For participants with missing Baseline assessment, the last pre-therapy value prior to the Baseline visit was used as the Baseline value. Change from Baseline was the value at Week 12 minus Baseline value. The primary analysis was performed on the Intent-to-Treat (ITT) Population with Last observation carried forward (LOCF). Adjusted mean is presented as least square (LS) mean.

Change From Baseline (Week 0) in Glycosylated Hemoglobin (HbA1c) (%) at Week 12
Baseline (Week 0) and Week 12

Fasted blood samples for HbA1c were collected at Baseline and Week 12. Participants were required to fast for at least 8 hours prior to laboratory samples and were told not to take the morning dose of study medication on these visit days and to refrain from eating until instructed to do so by study personnel in the clinic. When the participant had not fasted, the participant was rescheduled to return to the clinic to have a fasted sample taken. Baseline was Week 0. Change from Baseline was calculated by subtracting Baseline values from post-Baseline values. Only those participants with a value at Baseline and at Week 12 (after Last Observation Carried Forward \[LOCF\]) were used for this analysis. Adjusted mean is presented as least square mean.

Safety and tolerability: side effects and relevant changes in blood pressure, heart rate and ECG measurements, blood and urine measurements, the amount of fluid taken in and excreted, and kidney function will be monitored over course of study.
Blood samples and urine samples
on Day 14
Clinical laboratory tests, ECGs, physical exam & adverse events:
screening, in-clinic stays, outpatient clinic visits & follow up visit (approximately 50 days)
Home diary of blood sugar results, adverse events and drug dosing.
throughout the study (approximately 50 days)
Secondary Endpoints
Mean Change From Baseline in HbA1c at Weeks 4 and 8
Baseline (Week 0) and at Week 4 nad 8
Mean Change From Baseline to Week 12 in Fasting Plasma Glucose (FPG)
Baseline (Week 0) and at Week 12
Mean Change From Baseline to Week 12 in Fructosamine (Corrected)
Baseline (Week 0) and at Week 12
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GSK189075EXPERIMENTALParticipants will receive GSK189075 for 12 weeks
PlaceboPLACEBO_COMPARATORParticipants will receive GSK189075 matching Placebo for 12 weeks
Arm 1EXPERIMENTALGSK189075
Arm 2PLACEBO_COMPARATORPlacebo
Arm 3OTHERpioglitazone (active control)
Subjects receiving treatment sequence 1EXPERIMENTALEligible subjects will receive treatment A in period 1, treatment B in period 2 and treatment C in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment sequence 2EXPERIMENTALEligible subjects will receive treatment B in period 1, treatment C in period 2 and treatment A in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment sequence 3EXPERIMENTALEligible subjects will receive treatment C in period 1, treatment A in period 2 and treatment B in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment sequence 4EXPERIMENTALEligible subjects will receive treatment A in period 1, treatment C in period 2 and treatment B in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment sequence 5EXPERIMENTALEligible subjects will receive treatment B in period 1, treatment A in period 2 and treatment C in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment sequence 6EXPERIMENTALEligible subjects will receive treatment A in period 1, treatment C in period 2 and treatment B in period 3. A= Bupropion SR + GSK189075 placebo, B= Bupropion SR placebo + GSK189075 and C= Bupropion SR + GSK189075
Subjects receiving treatment PPLACEBO_COMPARATOREligible subjects will receive placebo twice daily along with metformin twice daily for 13 days.
Subjects receiving treatment AEXPERIMENTALEligible subjects will receive GSK189075 500 milligrams twice daily along with metformin twice daily for 13 days.
Subjects receiving treatment BEXPERIMENTALEligible subjects will receive GSK189075 750 milligrams twice daily along with metformin twice daily for 13 days.
Interventions
NameTypeDescription
GSK189075DRUGGSK189075 is available as a white, capsule-shaped tablet dosage form containing 50mg, 125mg, 250mg or 500mg of GSK189075 per tablet
PlaceboDRUGAvailable as Placebo matching tablet to GSK189075
pioglitazoneDRUGActive Control
GSK189075 oral tabletsDRUG -
GW869682 oral tabletsDRUG -
BupropionDRUGBupropion will be available as sustained release film-coated tablets with a dose of 150 milligrams administered orally.
MetforminDRUGMetformin will be available as an immediate release oral tablet with dosing strengths of 500 milligrams and 850 milligrams.
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites157

Inclusion Criteria: * Subjects with a documented diagnosis of T2DM and HbA1c ≥7.0% and ≤9.5% measured by the central laboratory at Visit 1. * Note: Subjects with HbA1c \<7.5% must have a fasting fingerstick glucose ≥7 mmol/L (126 mg/dL) at Week 0, prior to randomization. * Note: The proportion...

Countries:United StatesCanadaCzechiaEstoniaGermanyGreeceIndiaLithuaniaMexicoNew ZealandPolandPuerto RicoRomaniaRussiaSouth AfricaUkraineArgentinaBulgariaChileCosta RicaHungaryLatviaPeru
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