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    Summary
    EudraCT Number:2009-016950-42
    Sponsor's Protocol Code Number:0913M0621
    National Competent Authority:Germany - BfArM
    Clinical Trial Type:EEA CTA
    Trial Status:Prematurely Ended
    Date on which this record was first entered in the EudraCT database:2010-03-26
    Trial results
    Index
    A. PROTOCOL INFORMATION
    B. SPONSOR INFORMATION
    C. APPLICANT IDENTIFICATION
    D. IMP IDENTIFICATION
    D.8 INFORMATION ON PLACEBO
    E. GENERAL INFORMATION ON THE TRIAL
    F. POPULATION OF TRIAL SUBJECTS
    G. INVESTIGATOR NETWORKS TO BE INVOLVED IN THE TRIAL
    N. REVIEW BY THE COMPETENT AUTHORITY OR ETHICS COMMITTEE IN THE COUNTRY CONCERNED
    P. END OF TRIAL
    Expand All   Collapse All
    A. Protocol Information
    A.1Member State ConcernedGermany - BfArM
    A.2EudraCT number2009-016950-42
    A.3Full title of the trial
    A multicenter, randomized, double-blind, placebo-controlled, parallel-group study to investigate the efficacy and safety of S-888711 tablets administered once-daily for 42 days to adult subjects with relapsed persistent or chronic immune thrombocytopenia with or without prior splenectomy.
    A.4.1Sponsor's protocol code number0913M0621
    A.7Trial is part of a Paediatric Investigation Plan Information not present in EudraCT
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorShionogi USA, Inc.
    B.1.3.4CountryUnited States
    B.3.1 and B.3.2Status of the sponsorCommercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing support
    B.4.2Country
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisation
    B.5.2Functional name of contact point
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameS-888711
    D.3.2Product code S-888711
    D.3.4Pharmaceutical form Tablet
    D.3.4.1Specific paediatric formulation Information not present in EudraCT
    D.3.7Routes of administration for this IMPOral use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INN(E)-3-[2,6-Dichloro-4-[4-[3-[(S)-1-hexyloxyethyl]-2-methoxyphenyl]-thiazol-2-ylcarbamoyl]-phenyl]-2-methylacrylic acid
    D.3.9.1CAS number 1110766-97-6
    D.3.9.2Current sponsor codeS-888711
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number0.25
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin Yes
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) Information not present in EudraCT
    D.3.11.3.1Somatic cell therapy medicinal product No
    D.3.11.3.2Gene therapy medical product No
    D.3.11.3.3Tissue Engineered Product Information not present in EudraCT
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) Information not present in EudraCT
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product Information not present in EudraCT
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy Information not present in EudraCT
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product Information not present in EudraCT
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product No
    D.8 Information on Placebo
    D.8 Placebo: 1
    D.8.1Is a Placebo used in this Trial?Yes
    D.8.3Pharmaceutical form of the placeboTablet
    D.8.4Route of administration of the placeboOral use
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Relapsed persistent or chronic immune thrombocytopenia with or without prior splenectomy.
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 12.1
    E.1.2Level LLT
    E.1.2Classification code 10066667
    E.1.2Term Chronic thrombocytopenia
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 12.1
    E.1.2Level LLT
    E.1.2Classification code 10063129
    E.1.2Term Persisting thrombocytopenia
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To assess the efficacy of three dose levels of S-888711 (0.50 mg, 0.75 mg, and 1.0 mg) and placebo on platelet count.
    E.2.2Secondary objectives of the trial
    To assess the:
    - safety of S-888711;
    - pharmacokinetic (PK) profile of S-888711 using sparse PK sampling;
    - PK profile of S-888711 using serial PK sampling in a selected subset of subjects;
    - pharmacodynamic (PD) effect of S-888711 on platelet count and markers of platelet function, such as endogenous thrombopoietin (TPO);
    - PK/PD relationship of S-888711 with respect to platelet count; and
    - impact of S-888711 on the incidence and severity of bleeding.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    A subject will be eligible for study participation if he/she meets the following criteria:

    1. A signed and dated written informed consent obtained prior to the performance of Screening procedures.
    2. Males and females ≥ 18 years of age prior to Screening.
    3. All subjects must agree to use exclusively progestin-based and/or barrier method contraception if engaging in sexual intercourse. Female subjects of child bearing potential must not be breast-feeding and must use a reliable barrier method for at least 7 days prior to the first dose of study drug and continuing throughout the study until 6 weeks after the last dosing, except if surgically sterilized or have been post-menopausal for at least 12 months. Hormone based contraceptives (e.g., pills, patch, shots, implants) that are not exclusively progestin-based are prohibited. Male subjects should either remain abstinent or use a condom during the time interval between taking the first dose and 6 weeks following the last study drug dose.
    4. Diagnosis of ITP by American Society of Hematology criteria for at least 12 weeks prior to Screening.
    5. Subjects > 60 years of age must have had a diagnostic bone marrow aspiration within 1 year prior to Screening showing normal or increased numbers of megakaryocytes.
    6. Relapsed persistent or chronic ITP status, with or without prior splenectomy, after having failed at least 1 prior ITP therapy (excluding TPO agonists) and have a platelet count < 30,000/μL if not taking medications or < 50,000/μL despite concomitant steroids or other ITP therapies, such as danazol or immunosuppressive drugs.
    7. Subjects receiving chronic maintenance steroid therapy must have received a stable dose (same milligram amount ± 10%) for at least 2 weeks prior to Screening.
    8. Prothrombin time (PT) and activated partial thromboplastin time (APTT) within 20% of the upper limit of normal at Screening.
    9. Subjects receiving stable dosages of cyclosporine A, mycophenolate mofetil, azathioprine, or danazol are allowed. The dosages of all these medications must be stable for at least 4 weeks prior to Visit 1 (Day 1).
    E.4Principal exclusion criteria
    A subject will not be eligible for study participation if he/she meets any of the exclusion criteria, or will be discontinued at the discretion of the investigator if he/she develops one or more of the following exclusion criterion during the study:

    1. History of inherited or acquired, clinically important hemorrhagic clotting disorder.
    2. Females who are pregnant or lactating, or are receiving other hormone/chemical contraceptives that are not exclusively progestin-based.
    3. History of alcohol/drug abuse or dependence within 1 year of Screening.
    4. Use of the following drugs or treatment prior to Visit 1 (Day 1):
    • Within 1 week – Rho(D) immune globulin or intravenous immunoglobulin (IVIG);
    • Within 2 weeks plasmaphoresis treatment
    • Within 4 weeks use of anti-platelet or anti-coagulant drugs.
    • Within 8 weeks – rituximab;
    • Within 12 weeks – alemtuzumab, multi-drug systemic chemotherapy, stem cell therapy;
    5. History of clinically significant (in the opinion of the investigator) cardiovascular or thromboembolic disease within 26 weeks prior to Screening Visit.
    6. Splenectomy within 4 weeks prior to Screening.
    7. Laboratory abnormalities:
    • Hemoglobin < 10.0 g/dL for men or women, not clearly related to ITP;
    • Absolute neutrophil count < 1000/mm3;
    • Abnormal peripheral blood smear;
    • Total bilirubin > 1.5 x upper limit of normal;
    • Alanine aminotransferase (ALT) > 1.5 x upper limit of normal;
    • Aspartate aminotransferase (AST) > 1.5 x upper limit of normal;
    • Creatinine > 1.5 x upper limit of normal;
    • Human immunodeficiency virus (HIV) positive;
    • Hepatitis A IgM antibody (IgM HAV) positive, hepatitis B surface antigen (HBsAg) or hepatitis C antibody (HCV) positive;
    • Thyroid stimulating hormone (TSH) > 1.5 x upper limit of normal;
    • Free thyroxine (T4) > 1.5 x upper limit of normal.
    8. Exposure to previous TPO mimetics/agonists (e.g., eltrombopag, romiplostim, E5501 [AKR-501] or LGD-4665) within 4 weeks prior to Screening Visit.
    9. Subjects unresponsive, defined as the inability to attain adequate platelet count despite optimal dosing of previous TPO mimetics/agonists (e.g., eltrombopag, romiplostim, E5501 [AKR-501] or LGD-4665), based on investigator’s discretion.
    10. Exposure to an investigative medication within the past 4 weeks prior to Screening.
    E.5 End points
    E.5.1Primary end point(s)
    The primary assessments of efficacy are platelet counts (collected as part of the complete blood count and bleeding evaluation).

    For this study, subjects will be classified as responders if they:
    • achieve a platelet count of ≥ 50,000/µL after 6 weeks of dosing; or
    • are prematurely withdrawn due to a platelet count > 400,000/µL prior to Day 42.

    Subjects who do not meet the above condition, have received rescue medications during the Double-Blind Treatment Period, or are withdrawn for any reasons other than a platelet count > 400,000/µL will be counted as non-responders.

    The primary efficacy endpoint is the proportion of responder subjects in each treatment group.
    E.6 and E.7 Scope of the trial
    E.6Scope of the trial
    E.6.1Diagnosis No
    E.6.2Prophylaxis No
    E.6.3Therapy No
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response Yes
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic Yes
    E.6.12Pharmacoeconomic No
    E.6.13Others No
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other No
    E.7.1.3.1Other trial type description
    E.7.2Therapeutic exploratory (Phase II) Yes
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) No
    E.8 Design of the trial
    E.8.1Controlled Yes
    E.8.1.1Randomised Yes
    E.8.1.2Open No
    E.8.1.3Single blind No
    E.8.1.4Double blind Yes
    E.8.1.5Parallel group Yes
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo Yes
    E.8.2.3Other No
    E.8.3 The trial involves single site in the Member State concerned No
    E.8.4 The trial involves multiple sites in the Member State concerned Yes
    E.8.4.1Number of sites anticipated in Member State concerned2
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA26
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA Yes
    E.8.6.2Trial being conducted completely outside of the EEA Information not present in EudraCT
    E.8.6.3If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned
    E.8.7Trial has a data monitoring committee No
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    Provided in the protocol.
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years0
    E.8.9.1In the Member State concerned months14
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years0
    E.8.9.2In all countries concerned by the trial months14
    E.8.9.2In all countries concerned by the trial days0
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 No
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) No
    F.1.1.6Adolescents (12-17 years) No
    F.1.2Adults (18-64 years) Yes
    F.1.3Elderly (>=65 years) Yes
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male Yes
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations Yes
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception Yes
    F.3.3.3Pregnant women No
    F.3.3.4Nursing women No
    F.3.3.5Emergency situation No
    F.3.3.6Subjects incapable of giving consent personally Yes
    F.3.3.6.1Details of subjects incapable of giving consent
    A legally authorized representative can sign the informed consent form on behalf of the person in the study.
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state8
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 27
    F.4.2.2In the whole clinical trial 60
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    Provided in the protocol.
    G. Investigator Networks to be involved in the Trial
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2010-08-19
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2010-05-20
    P. End of Trial
    P.End of Trial StatusPrematurely Ended
    P.Date of the global end of the trial2011-01-25
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