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SB497115

Phase 2

Hepatitis C, Chronic | Small molecule | Hematology |GSK plc|Last Updated: Mar 23, 2017

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment75

FDA Designations

No designations recorded

Clinical trial landscape

SB497115 · 3 trials · 5 indications

Phase 2 3
NCT00110799SB497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adults With Thrombocytopenia Due To Hepatitis CHepatitis C, Chronic
COMPLETED75 Analytics
NCT00102726SB-497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adult Cancer Patients Receiving ChemotherapyThrombocytopaenia
COMPLETED183 Analytics
NCT00102739SB-497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adults With Refractory Immune Thrombocytopenic Purpura (ITP)Purpura, Thrombocytopaenic, Idiopathic
COMPLETED99 Analytics
PHASE2COMPLETED
SB497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adults With Thrombocytopenia Due To Hepatitis C
Hepatitis C, ChronicUnlock trial analytics
PHASE2COMPLETED
SB-497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adult Cancer Patients Receiving Chemotherapy
ThrombocytopaeniaUnlock trial analytics
PHASE2COMPLETED
SB-497115 (Oral Thrombopoietin Receptor Agonist) Versus Placebo In Adults With Refractory Immune Thrombocytopenic Purpura (ITP)
Purpura, Thrombocytopaenic, IdiopathicUnlock trial analytics

Study Endpoints

Primary Endpoints

Treatment response, assessed by the proportion of subjects with a shift from baseline platelet count (20, 000 to <70,000µL) to =100,000/µL after 4 weeks of study treatment.
4 weeks
Change in baseline platelet count from the first day of the second cycle of chemotherapy to the lowest count observed (nadir) during the cycle(21 days)
throughout entire study
Treatment response, assessed by the proportion of patients with platelet counts of =50, 000/µL (compared with baseline count of <30, 000/µL) after 42 days of treatment.

Secondary Endpoints

Mean increase in platelet counts and markers of thrombopoiesis. Safety and tolerability, population PK, pharmacodynamics. Effect of antiviral outcome measures during and after therapy.
4 weeks
Safety and tolerability, pharmacodynamics, changes in platelet count during cycle 1(21 days) and beyond cycle 2(21 days), population PK, and deliver intended doses of chemotherapy without thrombocytopenia related AEs
Throughout entire study
Safety and tolerability as indicated by physical exam, 12-lead ECGs, ophthalmologic examinations, clinical laboratory tests, clinical monitoring/observation, and AE reporting
throughout study
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm BACTIVE_COMPARATORSB-497115-GR 30mg administered orally daily for 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
Arm CACTIVE_COMPARATORSB-497115-GR 50mg administered orally daily for 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
Arm DACTIVE_COMPARATORSB-497115-GR 75mg administered orally daily for 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
Arm APLACEBO_COMPARATORPlacebo administered orally daily for 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
Arm 1ACTIVE_COMPARATORSB-497115-GR 50mg. administered orally daily on days 2 through 11 for each 21-day cycle.
Arm 2ACTIVE_COMPARATORSB-497115-GR 75 mg administered orally dailey on days 2-11 of each 21-day cycle.
Arm 3ACTIVE_COMPARATORSB-497115 100mg administered orally daily on days 2 through 11 of each 21-day cycle.
Placebo ArmPLACEBO_COMPARATORPlacebo administered orally daily on days 2 through 11 of each 21-day cycle.

Interventions

NameTypeDescription
SB497115DRUGApproximately 160 subjects will be randomized equally to one of four treatment groups of approximately 40 subjects (A-D). Subjects will receive oral tablets of SB-497115-GR at 30mg, 50 mg, 75 mg or placebo administered once daily for a total of 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
PlaceboOTHERPlacebo administered orally daily for 12 weeks beginning 4 weeks prior to initiating 8 weeks of antiviral therapy and for 8 weeks during weekly antiviral therapy.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites30

Inclusion criteria: * Chronic low platelet count between 20,000 and \<70,000/µL. * Prior liver biopsy indicating chronic hepatitis within the previous 5 years or radiographic evidence of cirrhosis and / or endoscopic evidence of non-bleeding esophageal or gastric varices. Exclusion criteria: * Hi...

Countries:United StatesFranceGermanyPuerto RicoUnited KingdomArgentinaAustriaBulgariaCzechiaHungaryIndiaItalyMexicoPeruPolandRomaniaRussiaSouth KoreaSpainTaiwanUkraineGreeceHong KongNew ZealandPakistanSloveniaThailand
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Frequently asked questions about SB497115

What is SB497115 used for?

SB497115 is an investigational small molecule being studied for thrombocytopaenia, including in cancer patients receiving chemotherapy, adults with refractory immune thrombocytopenic purpura (ITP), and adults with thrombocytopenia due to chronic hepatitis C. It is a Phase 2 investigational drug and is not FDA approved.

What does SB497115 target?

SB497115 is an oral thrombopoietin receptor agonist. It targets the thrombopoietin receptor to stimulate platelet production. It is being studied in hematology for conditions involving low platelet counts, such as thrombocytopaenia and idiopathic thrombocytopenic purpura.

Who makes SB497115?

SB497115 is being developed by GSK plc, traded on the London Stock Exchange under the ticker GSK. The company is conducting clinical trials of this investigational small molecule for thrombocytopaenia-related conditions.

What phase is SB497115 in?

SB497115 is in Phase 2 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities. All three known trials of SB497115 have been completed, and no active trials are currently listed.

What clinical trials is SB497115 in?

SB497115 has three completed Phase 2 trials: NCT00102726 in cancer patients receiving chemotherapy, NCT00102739 in adults with refractory immune thrombocytopenic purpura, and NCT00110799 in adults with thrombocytopenia due to hepatitis C. All were randomized, double-blind, placebo-controlled studies.

Is SB497115 the same as eltrombopag?

SB497115 is the investigational code name for the drug also known as eltrombopag. It is an oral thrombopoietin receptor agonist developed by GSK plc for thrombocytopaenia. The clinical trials listed under SB497115 study this compound in various patient populations.