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Long Term Safety of Clopidogrel in Neonates/Infants With Systemic to Pulmonary Artery Shunt Palliation (CLARINET LT)

18. august 2011 opdateret af: Sanofi

Long Term Safety Study in Patients Included in the CLARINET Study With Cyanotic Congenital Heart Disease Palliated With a Systemic-to-pulmonary Artery Shunt and for Whom the Shunt is Still in Place at One Year of Age

This study is the extension of the CLARINET study [NCT00396877 -EFC5314] in neonates or infants with cyanotic congenital heart disease palliated with a systemic-to-pulmonary artery shunt.

The primary objective was to assess the safety up to 18 months of age of the extended use of Clopidogrel 0.2 mg/kg/day in patients for whom the shunt was still in place at one year of age.

The secondary objective was to assess the efficacy on the occurrence of shunt thrombosis requiring intervention or any death.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

Patients remained in the treatment group to which they were originally allocated for the CLARINET study and continued blindly their treatment (0.2 mg/kg/day of clopidogrel or placebo) up to the occurrence of shunt thrombosis, next surgical procedure for correction of the congenital heart disease, death, or 18 months of age, whichever came first. The maximum treatment duration were 6 months.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

49

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Sao Paulo, Brasilien
        • Sanofi-Aventis Administrative Office
      • Moscow, Den Russiske Føderation
        • Sanofi-Aventis Administrative Office
      • Guildford Surrey, Det Forenede Kongerige
        • Sanofi-Aventis Administrative Office
    • New Jersey
      • Bridgewater, New Jersey, Forenede Stater, 08807
        • Sanofi-Aventis Administrative Office
      • Paris, Frankrig
        • Sanofi-Aventis Administrative Office
      • Mumbai, Indien
        • Sanofi-Aventis Administrative Office
      • Milano, Italien
        • Sanofi-Aventis Administrative Office
      • Kuala Lumpur, Malaysia
        • Sanofi-Aventis Administrative Office
      • Mexico, Mexico
        • Sanofi-Aventis Administrative Office
      • Warszawa, Polen
        • Sanofi-Aventis Administrative Office
      • Porto Salvo, Portugal
        • Sanofi-Aventis Administrative Office
      • Barcelona, Spanien
        • Sanofi-Aventis Administrative Office
      • Taipei, Taiwan
        • Sanofi-Aventis Administrative Office
      • Berlin, Tyskland
        • Sanofi-Aventis Administrative Office
      • Budapest, Ungarn
        • Sanofi-Aventis Administrative Office

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

1 år og ældre (Barn, Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Patients randomized in the CLARINET study,
  • Still receiving the study drug,
  • Palliative systemic-to-pulmonary artery shunt still in place at 1 year of age,
  • Investigator's decision to continue based on his/her judgment of the expected benefit / risk of continuing treatment with study drug,
  • Signed informed consent to participate in the long-term safety study.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: Placebo
0.2 mL/kg/day matching placebo solution once daily.

Form: rekonstitueret opløsning med matchende placebopulver

Vej: oral eller enterisk

Hyppighed: en gang dagligt

Dosis: daglig dosis justeret for vægt

Eksperimentel: Clopidogrel 0.2 mg/kg/day
0.2 mL/kg/day Clopidogrel reconstituted solution at 1mg/mL once daily.

Form: reconstituted solution using Clopidogrel powder

Route: oral or enteric

Frequency: once daily

Dose: daily dose adjusted for weight

Andre navne:
  • Plavix
  • SR25990

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants With Bleeding Events
Tidsramme: Up to a maximum of 6 months

All bleeding events experienced during the study period were collected as for any Adverse Event.

The 'on-treatment' period was defined as the period from inclusion in the extension study up to 28 days after treatment discontinuation, and participants who experienced bleeding events during that period were counted.

Up to a maximum of 6 months
Number of Participants According to Bleeding Type/Etiology
Tidsramme: Up to a maximum of 6 months
For all reported bleeding events, the type and the etiology of the bleeding event were collected. Participants who experienced bleeding events during the 'on-treatment period' were counted by bleeding type and etiology.
Up to a maximum of 6 months

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants With Shunt Thrombosis Requiring Intervention or Deaths
Tidsramme: Up to a maximum of 6 months

Outcome events, shunt thrombosis requiring intervention or death, experienced during the study period were recorded.

Participants were counted excluding the events that occured after the participant's protocol study end (occurrence of shunt thrombosis, next surgical procedure for correction of the congenital heart disease, death, or 18 months of age, whichever came first).

Up to a maximum of 6 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. januar 2009

Primær færdiggørelse (Faktiske)

1. juli 2010

Studieafslutning (Faktiske)

1. juli 2010

Datoer for studieregistrering

Først indsendt

29. januar 2009

Først indsendt, der opfyldte QC-kriterier

30. januar 2009

Først opslået (Skøn)

2. februar 2009

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

22. august 2011

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. august 2011

Sidst verificeret

1. august 2011

Mere information

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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