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    Summary
    EudraCT Number:2015-003105-41
    Sponsor's Protocol Code Number:PTC124-GD-031-MPS
    National Competent Authority:UK - MHRA
    Clinical Trial Type:EEA CTA
    Trial Status:Prematurely Ended
    Date on which this record was first entered in the EudraCT database:2015-09-08
    Trial results View 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 ConcernedUK - MHRA
    A.2EudraCT number2015-003105-41
    A.3Full title of the trial
    CNS Unmet Medical Need in Mucopolysaccharidosis: A Phase 2 Safety and Pharmacokinetics Study of Ataluren (COMPASS)
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Treatment for Nonsense Mutation Mucopolysaccharidosis Type I
    A.3.2Name or abbreviated title of the trial where available
    COMPASS
    A.4.1Sponsor's protocol code numberPTC124-GD-031-MPS
    A.7Trial is part of a Paediatric Investigation Plan No
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorPTC Therapeutics 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 supportPTC Therapeutics Inc.
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationMedpace Germany GmbH
    B.5.2Functional name of contact pointMedpace Regulatory Submissions
    B.5.3 Address:
    B.5.3.1Street AddressTheresienhöhe 30
    B.5.3.2Town/ cityMunich
    B.5.3.3Post code80339
    B.5.3.4CountryGermany
    B.5.4Telephone number004989895571860
    B.5.5Fax number0049898955718160
    B.5.6E-mailregsubmissions@medpace.com
    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 Yes
    D.2.5.1Orphan drug designation numberEMA/OD/135/14
    D.3 Description of the IMP
    D.3.1Product nameataluren
    D.3.2Product code PTC124
    D.3.4Pharmaceutical form Powder for oral suspension
    D.3.4.1Specific paediatric formulation No
    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 INNATALUREN
    D.3.9.1CAS number 775304-57-9
    D.3.9.2Current sponsor codePTC124
    D.3.9.4EV Substance CodeSUB89249
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number125
    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) No
    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 No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    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 No
    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.IMP: 2
    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 Yes
    D.2.5.1Orphan drug designation numberEMA/OD/135/14
    D.3 Description of the IMP
    D.3.1Product nameataluren
    D.3.2Product code PTC124
    D.3.4Pharmaceutical form Powder for oral suspension
    D.3.4.1Specific paediatric formulation No
    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 INNATALUREN
    D.3.9.1CAS number 775304-57-9
    D.3.9.2Current sponsor codePTC124
    D.3.9.4EV Substance CodeSUB89249
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number250
    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) No
    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 No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    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 No
    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.IMP: 3
    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 Yes
    D.2.5.1Orphan drug designation numberEMA/OD/135/14
    D.3 Description of the IMP
    D.3.1Product nameataluren
    D.3.2Product code PTC124
    D.3.4Pharmaceutical form Powder for oral suspension
    D.3.4.1Specific paediatric formulation No
    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 INNATALUREN
    D.3.9.1CAS number 775304-57-9
    D.3.9.2Current sponsor codePTC124
    D.3.9.4EV Substance CodeSUB89249
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number1000
    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) No
    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 No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    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 No
    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
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Nonsense mutation Mucopolysaccharidosis Type I
    E.1.1.1Medical condition in easily understood language
    Mucopolysaccharidosis I
    E.1.1.2Therapeutic area Diseases [C] - Nutritional and Metabolic Diseases [C18]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 18.1
    E.1.2Level PT
    E.1.2Classification code 10056886
    E.1.2Term Mucopolysaccharidosis I
    E.1.2System Organ Class 10010331 - Congenital, familial and genetic disorders
    E.1.3Condition being studied is a rare disease Yes
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    - Characterize the safety profile of ataluren in patients with nmMPS I
    - Evaluate the CSF and plasma PK of ataluren in patients with nmMPS I
    E.2.2Secondary objectives of the trial
    • Evaluate CSF GAG levels in patients with nmMPS I following ataluren treatment
    • Evaluate urinary GAG levels in patients with nmMPS I, following ataluren treatment
    • Evaluate plasma GAG levels in patients with nmMPS I following ataluren treatment
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1.Evidence of signed and dated informed consent document(s) indicating that the study candidate (and/or a parent/legal guardian) has been informed of all pertinent aspects of the study. Note: If the study candidate is considered a child under local regulation, a parent or legal guardian must provide written consent prior to initiation of study screening procedures and the study candidate may be required to provide written assent. The rules of the responsible institutional review board/independent ethics committee (IRB/IEC) regarding whether one or both parents must provide consent and the appropriate ages for obtaining consent and assent from the patient should be followed.
    2.Age ≥2 years.
    3.Clinical diagnosis of MPS I, confirmed by measurable clinical signs and symptoms of MPS I and a fibroblast or leukocyte α-L-iduronidase enzyme activity level of less than 10% of the lower limit of the normal range of the measuring laboratory, with clinically stable disease.
    4.Documentation of the presence of a nonsense mutation in at least 1 allele of the α-L-iduronidase (IDUA) gene.
    5.Verification that a blood sample has been drawn for confirmation of the presence of a nonsense mutation in the IDUA gene.
    6.Confirmed screening laboratory values within the central laboratory ranges
    7. In patients who are sexually active, willingness, if not surgically sterile, to abstain from
    sexual intercourse or employ a barrier or medical method of contraception during ataluren
    administration and for 60 days after the last ataluren administration.
    8. Willingness and ability to comply with scheduled visits, drug administration plan, study
    procedures (including lumbar punctures), and study restrictions.
    E.4Principal exclusion criteria
    1. Any change (initiation, change in type of drug, dose modification [not weight based], schedule modification, interruption, discontinuation, or re-initiation) in ERT within 6 months prior to start of screening.
    2. Exposure to another investigational drug or (intrathecal/spinal) device within 3 months prior to enrollment.
    3. Ongoing participation in any other therapeutic clinical trial.
    4.The patient is unable to have a lumbar puncture performed due to severe musculoskeletal/spinal abnormalities, risk of abnormal bleeding, or the presence of a ventriculoperitoneal shunt.
    5. The patient is unable to provide a CSF sample due to an opening CSF pressure that exceeds 30.0 cm H2O.
    6. The patient has any known or suspected hypersensitivity to anesthesia that is thought to be by a physician or anesthesiologist as an unacceptably high risk for anesthesia due to compromised airways or other conditions.
    7. Is pregnant or lactating. Female patients of childbearing potential must have a negative pregnancy test [β-human chronic gonadotropin (hCG)] at screening.
    8. Ongoing use of the following drugs:
    Drugs metabolized by CYP2C8 (eg, paclitaxel) or CYP2C9 (eg, coumarin anticoagulants [warfarin], phenytoin or tolbutamide)
    Drugs that are inhibitors of breast cancer resistant protein (BCRP) (eg, cyclosporine, eltrombopag, geftinib). Note: Topical cyclosporine therapy is permitted.
    Drugs that are substrates of UGT1A9 (eg, propofol, mycophenolate mofetil), OAT1, OAT3, or OATP1B3 (eg, oseltamivir, acyclovir, captopril, furosemide, bumetanide, valsartan, pravastatin, rosuvastatin, atorvastatin, pitavastatin)
    Drugs that are general inhibitors of UGT (eg, probenecid, valproic acid)
    9. Ongoing IV aminoglycoside use.
    10. Prior or ongoing medical condition (eg, concomitant illness, alcoholism, drug abuse, psychiatric condition), medical history, physical findings, ECG findings, or laboratory abnormality that, in the investigator’s opinion, could adversely affect the safety of the patient, makes it unlikely that the course of study drug administration or follow-up would be completed, or could impair the assessment of study results.
    11. Known hypersensitivity to any of the ingredients or excipients of the study drug (polydextrose, polyethylene glycol 3350, poloxamer 407, mannitol 25C, crospovidone XL10, hydroxyethyl cellulose, vanilla, colloidal silica, or magnesium stearate).
    12. Surgery within 30 days prior to enrollment, or anticipated surgery during study participation
    E.5 End points
    E.5.1Primary end point(s)
    • Overall safety profile of ataluren characterized by type, frequency, severity, timing, and relationship to study drug of any adverse events;
    new physical examination, laboratory test, or electrocardiogram (ECG) abnormalities; drug discontinuations due to adverse events; and serious adverse events (SAEs)
    • Ataluren CSF concentrations as assessed by a validated bioanalytical method
    • Ataluren plasma concentrations before and 2, 4, and 6 hours after morning drug administration at Day 1 and every 6 weeks during treatment, as assessed by a validated bioanalytical method.
    E.5.1.1Timepoint(s) of evaluation of this end point
    Safety: Every visit
    CSF PK: Day 1, 85
    Plasma PK: Day 1, 43, 85, and 113
    E.5.2Secondary end point(s)
    - Change in CSF GAG levels from pretreatment to end of treatment
    - Change in urinary GAG levels from pretreatment to end of treatment
    E.5.2.1Timepoint(s) of evaluation of this end point
    Urinary GAG Levels: Every visit
    Plasma GAG Levels: Screening, and Days 1, 43, 85, 113, and End of Treatment F/U
    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 No
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    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 No
    E.8.1.1Randomised No
    E.8.1.2Open Yes
    E.8.1.3Single blind No
    E.8.1.4Double blind No
    E.8.1.5Parallel group No
    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 No
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the trial1
    E.8.3 The trial involves single site in the Member State concerned Yes
    E.8.4 The trial involves multiple sites in the Member State concerned No
    E.8.5The trial involves multiple Member States No
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA No
    E.8.6.2Trial being conducted completely outside of the EEA No
    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
    LVLS
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years1
    E.8.9.1In the Member State concerned months
    E.8.9.1In the Member State concerned days
    E.8.9.2In all countries concerned by the trial years1
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 Yes
    F.1.1Number of subjects for this age range: 4
    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) Yes
    F.1.1.5.1Number of subjects for this age range: 2
    F.1.1.6Adolescents (12-17 years) Yes
    F.1.1.6.1Number of subjects for this age range: 2
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 1
    F.1.3Elderly (>=65 years) No
    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 No
    F.3.3.7Others Yes
    F.3.3.7.1Details of other specific vulnerable populations
    minors
    F.4 Planned number of subjects to be included
    F.4.1In the member state5
    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)
    After participation in the trial, the decision on patient treatment will be at the discretion of the patient's primary physician.
    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 Decision2015-10-13
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2015-09-24
    P. End of Trial
    P.End of Trial StatusPrematurely Ended
    P.Date of the global end of the trial2017-03-09
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