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    Summary
    EudraCT Number:2009-017800-10
    Sponsor's Protocol Code Number:CZB/4/722
    National Competent Authority:UK - MHRA
    Clinical Trial Type:EEA CTA
    Trial Status:Completed
    Date on which this record was first entered in the EudraCT database:2010-03-18
    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 number2009-017800-10
    A.3Full title of the trial
    Scottish and Newcastle Anti-emetic Pre-treatment for Paracetamol Poisoning study (SNAP)
    A.3.2Name or abbreviated title of the trial where available
    Scottish & Newcastle AntiEmetic PreTreatment in Paracetamol Poisoning
    A.4.1Sponsor's protocol code numberCZB/4/722
    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 SponsorNHS Lothian
    B.1.3.4CountryUnited Kingdom
    B.3.1 and B.3.2Status of the sponsor
    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
    B.Sponsor: 2
    B.1.1Name of SponsorUniversity of Edinburgh
    B.1.3.4CountryUnited Kingdom
    B.3.1 and B.3.2Status of the sponsor
    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 Yes
    D.2.1.1.1Trade name Ondansetron hydrochloride
    D.2.1.1.2Name of the Marketing Authorisation holderHospira Enterprises B.V.
    D.2.1.2Country which granted the Marketing AuthorisationNetherlands
    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 nameOndansetron
    D.3.2Product code N/A
    D.3.4Pharmaceutical form Injection*
    D.3.4.1Specific paediatric formulation Information not present in EudraCT
    D.3.7Routes of administration for this IMPIntravenous bolus use (Noncurrent)
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNondansetron
    D.3.9.1CAS number 99614-02-5
    D.3.9.2Current sponsor codeN/A
    D.3.9.3Other descriptive nameN/A
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number2
    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 Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    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.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 Information not present in EudraCT
    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 nameAcetylcysteine
    D.3.2Product code N/A
    D.3.4Pharmaceutical form Solution for infusion
    D.3.4.1Specific paediatric formulation Information not present in EudraCT
    D.3.7Routes of administration for this IMPIntravenous use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNAcetylcysteine
    D.3.9.1CAS number 616-91-1
    D.3.9.2Current sponsor codeN/A
    D.3.9.3Other descriptive nameN/A
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number200
    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 Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    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.IMP: 3
    D.1.2 and D.1.3IMP RoleComparator
    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 Information not present in EudraCT
    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 nameAcetylcysteine
    D.3.2Product code N/A
    D.3.4Pharmaceutical form Solution for infusion
    D.3.4.1Specific paediatric formulation Information not present in EudraCT
    D.3.7Routes of administration for this IMPIntravenous use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNAcetylcysteine
    D.3.9.1CAS number 616-91-1
    D.3.9.2Current sponsor codeN/A
    D.3.9.3Other descriptive nameN/A
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number200
    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 Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    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 placeboInjection*
    D.8.4Route of administration of the placeboIntravenous use
    D.8 Placebo: 2
    D.8.1Is a Placebo used in this Trial?Yes
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Paracetamol overdose
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 2.2
    E.1.2Level LLT
    E.1.2Classification code 10033295
    E.1.2Term Overdose
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 2.2
    E.1.2Level LLT
    E.1.2Classification code 10033297
    E.1.2Term accidental overdose
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To determine whether pre-treatment with intravenous ondansetron 4 mg will reduce the occurrence of vomiting and retching in paracetamol poisoned patients receiving intravenous acetylcysteine.
    E.2.2Secondary objectives of the trial
    · To determine whether pre-treatment with intravenous ondansetron 4 mg will reduce the occurrence of nausea in paracetamol poisoned patients receiving intravenous acetylcysteine.
    ·To compare the incidence of nausea or vomiting in the modified and conventional acetylcysteine regimens in paracetamol poisoned patients.


    Additional data will be collected to inform the design of future clinical studies:
    ·To compare the incidence of anaphylactoid reactions in the modified and conventional acetylcysteine regimens in paracetamol poisoned patients.
    ·To determine the rate of occurrence of hepatotoxicity (defined by raised biochemical markers) in patients treated with the modified and conventional acetylcysteine administration regimens.
    ·To determine the occurrence of hepatotoxicity as determined at the end of the conventional acetylcysteine administration regimen and at 12h after administration.
    ·To measure length of hospital stay in patients receiving modified and conventional acety
    E.2.3Trial contains a sub-study Yes
    E.2.3.1Full title, date and version of each sub-study and their related objectives
    Pharmacokinetic study of modified 12h v conventional 20.25h acetylcysteine regimen.
    In a subset of 40 patients, plasma acetylcysteine concentrations as well as biomarkers of paracetamol toxicity and inflammatory response, will be measured at 5 timepoints-0, 15min, 2h, 20.25h (end of infusion) and a 5th sample at either 4h or 12h depending on time of randomisation. In the case of acetylcysteine measurement, blood samples are relatively unstable, and will therefore need to be obtained during daylight hours.
    E.3Principal inclusion criteria
    1. Admission to hospital within 24h of a single acute paracetamol overdose.
    2. Requirement for treatment with acetylcysteine based on the following clinical criteria:
    These include
    a) patients with no risk factors and timed paracetamol concentrations on or above the “200-line” on the standard treatment nomogram
    b) patients with at least 1 risk factor and timed paracetamol concentrations above the “100-line” on the standard treatment nomogram
    3)Patients presenting >8h and at risk of liver damage based on history of dose ingested that need immediate treatment.
    Risk factors are defined as follows:
    Nutritional deficiency, malnourished and/or debilitating disease: acute or chronic starvation, eating disorders, cachexia, malabsorption syndromes, AIDS, cystic fibrosis, hepatitis C, chronic alcoholism.

    Enzyme induction: use of drugs with this property (carbamazepine, rifampicin, barbiturates, phenytoin, rifabutin, efavirenz, nevirapine, ST John's wort); regular consumption of ethanol above advised amounts.
    E.4Principal exclusion criteria
    Patients who :
    present >24 hours after a single acute PCM overdose
    are <16 years old
    are detained under the Mental Health Act
    have a known permanent cognitive impairment
    have a life-threatening illness
    are known to be pregnant
    have previously participated in the study
    have an unreliable history of paracetamol overdose
    have vomited and require treatment with an antiemetic prior to randomisation
    present after taking a staggered paracetamol overdose (defined as when the overdose of paracetamol is taken over a period of more than 1 hour)
    take anticoagulants (e.g warfarin) therapeutically or have taken an overdose of anticoagulants
    in the opinion of the responsible clinician/nurse, are unlikely to complete the full course of acetylcysteine e.g. expressing wish to self-discharge
    in the opinion of the responsible clinician/nurse are unable to complete the initial questionnaire either themselves or with assistance
    have a history of hypersensitivity to ondansetron or other 5HT3 receptor antagonists
    Non-English speaking patients (trial information will only be produced in English in view of the known demographics of the Edinburgh and Newcastle self-harm population.)
    E.5 End points
    E.5.1Primary end point(s)
    Proportion of patients with complete control of vomiting or retching as defined by no vomiting episodes or retching and no use of rescue anti-emetic medication.
    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 Yes
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others Yes
    E.6.13.1Other scope of the trial description
    immune response markers
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans Information not present in EudraCT
    E.7.1.2Bioequivalence study Information not present in EudraCT
    E.7.1.3Other Information not present in EudraCT
    E.7.1.3.1Other trial type description
    E.7.2Therapeutic exploratory (Phase II) No
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) Yes
    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 Yes
    E.8.1.4Double blind Yes
    E.8.1.5Parallel group Yes
    E.8.1.6Cross over No
    E.8.1.7Other Yes
    E.8.1.7.1Other trial design description
    ondansetron double blind acetylcysteine single blind factorial design
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) Yes
    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 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 Information not present in EudraCT
    E.8.7Trial has a data monitoring committee Yes
    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
    The trial will be complete when 250 patients have been recruited and 200 completed the study.
    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 months6
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years1
    E.8.9.2In all countries concerned by the trial months6
    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 Yes
    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) Yes
    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 For clinical trials recorded in the database before the 10th March 2011 this question read: "Women of childbearing potential" and did not include the words "not using contraception". An answer of yes could have included women of child bearing potential whether or not they would be using contraception. The answer should therefore be understood in that context. This trial was recorded in the database on 2010-03-18. Yes
    F.3.3.2Women of child-bearing potential using contraception Yes
    F.3.3.3Pregnant women No
    F.3.3.4Nursing women Yes
    F.3.3.5Emergency situation Yes
    F.3.3.6Subjects incapable of giving consent personally Yes
    F.3.3.6.1Details of subjects incapable of giving consent
    Subjects with temporarily impaired capacity due to alcohol or drug intoxication
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state250
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 250
    F.4.2.2In the whole clinical trial 250
    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)
    Antidotal treatment for paracetamol poisoning is a one-off episode. No further treatment is required subsequently in this trial.
    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 Decision2010-03-22
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2010-04-01
    P. End of Trial
    P.End of Trial StatusCompleted
    P.Date of the global end of the trial2012-12-31
    As of 1.2.2020, the UK is no longer an EU Member State. However, EU law still applies to the UK during the transition period
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