Study of Electrocardiogram (ECG) Safety of Sezaby in Neonatal Seizures
A Prospective, Single-Arm, Open-Label Study to Assess the Effect of Sezaby™ on Electrocardiographic Safety in Patients With Neonatal Seizures
This Phase 4, multicenter, single-arm, open-label study evaluates the effect of intravenous Sezaby (phenobarbital sodium) on electrocardiographic safety, including the QT interval, in neonates with seizures.
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Descrizione dettagliata
This Phase 4, multicenter, single-arm, open-label study evaluates the effect of Sezaby on electrocardiographic safety, including the QT interval, in neonates with seizures. Participants will receive intravenous Sezaby and undergo electrocardiographic and safety assessments during treatment.
Tipo di studio
Tipo di studio
Iscrizione (Stimato)
Iscrizione
Fase
Fase
- Fase 4
Contatti e Sedi
Contatto studio
Contatto studio
- Nome: Clinical Development
- Numero di telefono: 9122 66455645
- Email: clinical.trials@sparcmail.com
Luoghi di studio
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Michigan
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Detroit, Michigan, Stati Uniti, 48201
- Site 1
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Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- Neonates with seizures confirmed by continuous electroencephalogram (cEEG) monitoring.
- Acute symptomatic seizure etiologies other than correctable metabolic abnormalities.
- Term or preterm infants with postnatal age less than 28 days.
- Body weight of at least 1 kg.
- Written informed consent from a parent or legal guardian.
Exclusion Criteria:
- Prior treatment with anticonvulsant medications.
- Correctable metabolic abnormalities associated with seizure cessation when corrected.
- Baseline QT interval corrected using Fridericia's formula (QTcF) greater than 450 milliseconds.
- Significant risk factors for torsade de pointes, including congenital long QT syndrome or significant cardiac disease.
- Renal failure.
- Acute porphyria.
- Neonates in whom death is considered imminent in the opinion of the investigator.
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)
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
|---|---|
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Sperimentale: Sezaby
Neonates with seizures receiving intravenous Sezaby administered as loading dose(s) followed by maintenance dosing for up to 5 days according to the study protocol. |
Sezaby (phenobarbital sodium for injection) is administered as intravenous loading and maintenance doses over a treatment period of up to 5 days for the treatment of neonatal seizures.
Altri nomi:
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Change From Baseline in QT Interval Corrected Using Fridericia's Formula (QTcF)
Lasso di tempo: Baseline through Day 5
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Change from baseline in QT interval corrected for heart rate using Fridericia's formula (QTcF) following treatment with Sezaby. QTcF values will be assessed from electrocardiogram recordings obtained during the treatment period. |
Baseline through Day 5
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Change From Baseline in QT Interval Corrected Using Bazett's Formula (QTcB)
Lasso di tempo: Baseline through Day 5
|
Change from baseline in QT interval corrected for heart rate using Bazett's formula (QTcB) following treatment with Sezaby. |
Baseline through Day 5
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Incidence of Treatment-Emergent Adverse Events
Lasso di tempo: First dose through Safety Follow-up (approximately 20 days)
|
Assessment of safety based on the incidence of treatment-emergent adverse events (TEAEs) following administration of Sezaby. |
First dose through Safety Follow-up (approximately 20 days)
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Change From Baseline in QTcF and QTcB Intervals in Participants With Hypoxic-Ischemic Encephalopathy (HIE) Compared With Participants Without HIE
Lasso di tempo: Baseline through Day 5
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Change from baseline in QT interval corrected using Fridericia's formula (QTcF) and Bazett's formula (QTcB) in participants with HIE compared with participants without HIE following treatment with Sezaby. |
Baseline through Day 5
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Frequency of Treatment-Emergent Changes in Electrocardiogram Morphology
Lasso di tempo: Baseline through Day 5
|
Frequency of treatment-emergent changes in electrocardiogram (ECG) morphology following treatment with Sezaby. |
Baseline through Day 5
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Incidence of Categorical Outliers in QTcF, QTcB, Heart Rate, PR Interval, and QRS Interval
Lasso di tempo: Baseline through Day 5
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Incidence of categorical outliers in QT interval corrected using Fridericia's formula (QTcF), QT interval corrected using Bazett's formula (QTcB), heart rate (HR), PR interval, and QRS interval following treatment with Sezaby. |
Baseline through Day 5
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Plasma Concentration of Phenobarbital
Lasso di tempo: Baseline through Day 5
|
Assessment of plasma concentrations of phenobarbital following administration of Sezaby. |
Baseline through Day 5
|
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A. Correlation Between Post-Conceptional Age and Change From Baseline in QTcF
Lasso di tempo: Baseline through Day 5
|
Correlation between post-conceptional age, measured in completed weeks, and change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately at each protocol-specified ECG assessment time point. |
Baseline through Day 5
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B. Correlation Between Post-Conceptional Age and Change From Baseline in QTcB
Lasso di tempo: Baseline through Day 5
|
Correlation between post-conceptional age, measured in completed weeks, and change from baseline in the QT interval corrected using Bazett's formula (QTcB), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately at each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
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A. Correlation Between Serum Sodium Concentration and Change From Baseline in QTcF
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum sodium concentration, measured by the clinical laboratory (mmol/L), and change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately for each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
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B. Correlation Between Serum Sodium Concentration and Change From Baseline in QTcB
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum sodium concentration, measured by the clinical laboratory (mmol/L), and change from baseline in the QT interval corrected using Bazett's formula (QTcB), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately for each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
|
C. Correlation Between Serum Potassium Concentration and Change From Baseline in QTcF
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum potassium concentration, measured by the clinical laboratory (mmol/L), and change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately for each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
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D. Correlation Between Serum Potassium Concentration and Change From Baseline in QTcB
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum potassium concentration, measured by the clinical laboratory (mmol/L), and change from baseline in the QT interval corrected using Bazett's formula (QTcB), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. |
Baseline through Day 5
|
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E. Correlation Between Serum Calcium Concentration and Change From Baseline in QTcF
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum calcium concentration, measured by the clinical laboratory (mg/dL or mmol/L per protocol laboratory reporting), and change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. |
Baseline through Day 5
|
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F. Correlation Between Serum Calcium Concentration and Change From Baseline in QTcB
Lasso di tempo: Baseline through Day 5
|
Correlation between daily serum calcium concentration, measured by the clinical laboratory (mg/dL or mmol/L per protocol laboratory reporting), and change from baseline in the QT interval corrected using Bazett's formula (QTcB), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. |
Baseline through Day 5
|
|
A. Correlation Between Body Temperature and Change From Baseline in QTcF
Lasso di tempo: Baseline through Day 5
|
Correlation between body temperature, measured in degrees Celsius at or near each protocol-specified ECG assessment, and change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately at each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
|
B. Correlation Between Body Temperature and Change From Baseline in QTcB
Lasso di tempo: Baseline through Day 5
|
A correlation coCorrelation between body temperature, measured in degrees Celsius at or near each protocol-specified ECG assessment, and change from baseline in the QT interval corrected using Bazett's formula (QTcB), measured in milliseconds from centrally evaluated continuous 12-lead electrocardiogram recordings. A correlation coefficient will be calculated across participants separately at each protocol-specified ECG assessment time point.efficient will be calculated across participants separately at each protocol-specified ECG assessment time point. |
Baseline through Day 5
|
Collaboratori e investigatori
Sponsor
Sponsor
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Studia le date principali
Inizio studio (Stimato)
Inizio studio
Completamento primario (Stimato)
Completamento primario
Completamento dello studio (Stimato)
Completamento dello studio
Date di iscrizione allo studio
Primo inviato
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Primo Inserito
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento pubblicato
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
Altri numeri di identificazione dello studio
- SEZA-24-01
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