- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT03492931
PK Study of Ticagrelor in Children Aged Less Than 24 Months, With Sickle Cell Disease (HESTIA4) (HESTIA4)
A Multi-centre, Phase I, Open-label, Single-dose Study to Investigate Pharmacokinetics (PK) of Ticagrelor in Infants and Toddlers, Aged 0 to Less Than 24 Months, With Sickle Cell Disease (HESTIA4)
The purpose of this Phase I study is to investigate the pharmacokinetic properties of ticagrelor in pediatric patients from 0 to less than 24 months with sickle cell disease.
Ticagrelor dose level adjustment will require a Protocol amendment and regulatory approval.
Panoramica dello studio
Descrizione dettagliata
Study design This Phase I paediatric study (in patients aged 0 to <24 months) with ticagrelor is planned to be a multi-centre, open-label, single dose study.
Primary Objective:
To determine the PK properties of ticagrelor after a single oral dose
Secondary Objectives:
To determine the PK properties of the active metabolite (AR-C124910XX) after a single oral dose To assess the acceptability and the palatability of a single oral dose of ticagrelor
Safety Objective:
To assess safety and tolerability of a single oral dose of ticagrelor
Duration of treatment At least 20 eligible patients will receive a single open label oral dose of ticagrelor on Day 1.
Statistical methods A population PK analysis approach will be used to determine the PK parameters of ticagrelor and its metabolite AR-C124910XX in paediatric patients aged 0 to <24 months eg, CL/F (oral clearance) (only for ticagrelor) and AUC.
The PK will also be described by presenting the observed plasma concentrations of Ticagrelor and its active metabolite for all individuals, as well as corresponding descriptive statistics.
No statistical comparisons are planned for the primary or secondary objectives, which will be summarised descriptively
Tipo di studio
Iscrizione (Effettivo)
Fase
- Fase 1
Contatti e Sedi
Luoghi di studio
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Edegem, Belgio, 2650
- Research Site
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Genova, Italia, 16100
- Research Site
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Kisumu, Kenya, 40100
- Research Site
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Nairobi, Kenya, 00100
- Research Site
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Beirut, Libano, 11-0236
- Research Site
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Tripoli, Libano, 1434
- Research Site
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London, Regno Unito, SE1 7EH
- Research Site
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Madrid, Spagna, 28007
- Research Site
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Paediatric patients aged <24 months, diagnosed with homozygous sickle cell (HbSS) or sickle beta-zero-thalassemia (HbS/β0), as confirmed by high performance liquid chromatography or haemoglobin electrophoresis.
- Body weight ≥5 kg at the time of screening.
- If treated with an anti-sickling agent such as hydroxyurea, the weight-adjusted dose must be stable for 3 months before screening/enrolment.
- Provision of signed and dated written informed consent from parents/legal guardians prior to any study specific procedures not part of standard medical care.
Exclusion criteria
- History of transient ischaemic attack or cerebrovascular event/accident (ischaemic or haemorrhagic), severe head trauma, intracranial haemorrhage, intracranial neoplasm, arteriovenous malformation, aneurysm, or proliferative retinopathy.
- Significantly underdeveloped with regards to height, weight or head circumference for age, as judged by the Investigator.
- Severe developmental delay (eg, cerebral palsy or mental retardation).
- Receiving chronic treatment (>3 days/week) with non-steroidal anti-inflammatory drugs (NSAIDs).
- Receiving chronic treatment with anticoagulants or antiplatelet drugs that cannot be discontinued.
- Moderate or severe hepatic impairment, defined as laboratory values of alanine aminotransferase (ALT) >2 × upper limit of normal (ULN), total bilirubin >2 × ULN (unless judged by the Investigator to be caused by haemolysis), albumin <35 g/L and international normalised ratio (INR) >1.4, or symptoms of liver disease (eg, ascites).
- Renal failure requiring dialysis.
- Active pathological bleeding or increased risk of bleeding complications according to the Investigator.
- Haemoglobin <6 g/dL from test performed at Screening (Visit 1).
- Platelets <100 × 10^9/L from test performed at Screening (Visit 1).
- Patient considered to be at risk of bradycardic events (eg, known sick sinus syndrome or second or third degree atrioventricular block).
- Concomitant oral or intravenous therapy with moderate or strong CYP3A4 inhibitors, CYP3A4 substrates with narrow therapeutic indices, or strong CYP3A4 inducers that have not been stopped at least 5 half-lives before dose administration.
- Patient breastfed by mother who is under treatment of strong CYP3A4 inhibitors,
- Active untreated malaria. Patients with suspected malaria at Screening (Visit 1) will be tested.
- Surgical procedure planned to occur during the study including 5 days after ticagrelor administration.
- Known hypersensitivity or contraindication to ticagrelor.
- Concern for the inability of the patient or parents to comply with study procedures and/or follow-up.
- Any condition which, in the opinion of the Investigator, would make it unsafe or unsuitable for the patient to participate in this study.
- Previously administered ticagrelor in the present study.
- Participation in another clinical study with an investigational medicinal product (IMP) or device during the last 30 days preceding screening/enrolment.
- Involvement of member of patient's family in planning and/or conduct of the study (applies to both AstraZeneca personnel and personnel at study centre).
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Altro
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
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Sperimentale: Treatment arm
Single dose of ticagrelor based on age
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Patients will receive a single dose of ticagrelor
Altri nomi:
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Peak Plasma Concentration (Cmax) of Ticagrelor
Lasso di tempo: 1,2,4,6 hours post dose
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This measure is obtained from observed plasma concentrations
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1,2,4,6 hours post dose
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Area under plasma concentration curve
Lasso di tempo: 1,2,4,6 hours post dose
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This measure is obtained from the population PK analysis
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1,2,4,6 hours post dose
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CL/F (Oral clearance)
Lasso di tempo: 1,2,4,6 hours post dose
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This measure is obtained from the population PK analysis.
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1,2,4,6 hours post dose
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
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Peak Plasma Concentration (Cmax) for active metabolite (AR-C124910XX)
Lasso di tempo: 1,2,4,6 hours post dose
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1,2,4,6 hours post dose
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Area under plasma concentration curve
Lasso di tempo: 1,2,4,6 hours post dose
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1,2,4,6 hours post dose
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Assessment of ticagrelor suspension for palatability
Lasso di tempo: Day 1, single timepoint assessment
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Questionnaire with one five-options question reflecting different degrees of patients willingness to swallow, from "swallowed without problem" to "vomited up medication".
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Day 1, single timepoint assessment
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Collaboratori e investigatori
Sponsor
Pubblicazioni e link utili
Collegamenti utili
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Effettivo)
Completamento dello studio (Effettivo)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Malattie ematologiche
- Malattie genetiche, congenite
- Anemia
- Anemia, emolitica, congenita
- Anemia, emolitico
- Emoglobinopatie
- Anemia, anemia falciforme
- Effetti fisiologici delle droghe
- Agenti neurotrasmettitori
- Meccanismi molecolari dell'azione farmacologica
- Inibitori dell'aggregazione piastrinica
- Antagonisti del recettore purinergico P2Y
- Antagonisti del recettore purinergico P2
- Antagonisti purinergici
- Agenti purinergici
- Ticagrelor
Altri numeri di identificazione dello studio
- D5136C00010
Informazioni su farmaci e dispositivi, documenti di studio
Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti
Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
prodotto fabbricato ed esportato dagli Stati Uniti
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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