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.
Studie Overzicht
Toestand
Toestand
Conditie
Conditie
Interventie / Behandeling
Interventie / Behandeling
Gedetailleerde beschrijving
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.
Studietype
Studietype
Inschrijving (Geschat)
Inschrijving
Fase
Fase
- Fase 4
Contacten en locaties
Studiecontact
Studiecontact
- Naam: Clinical Development
- Telefoonnummer: 9122 66455645
- E-mail: clinical.trials@sparcmail.com
Studie Locaties
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Michigan
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Detroit, Michigan, Verenigde Staten, 48201
- Site 1
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Deelname Criteria
Geschiktheidscriteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
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.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Ander
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Aantal wapens
Wapens en interventies
Deelnemersgroep / ArmDeelnemersgroep / Arm |
Interventie / BehandelingInterventie / Behandeling |
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Experimenteel: 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.
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Change From Baseline in QT Interval Corrected Using Fridericia's Formula (QTcF)
Tijdsspanne: 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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Secundaire uitkomstmaten
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Change From Baseline in QT Interval Corrected Using Bazett's Formula (QTcB)
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: First dose through Safety Follow-up (approximately 20 days)
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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
Tijdsspanne: 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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: 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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: Baseline through Day 5
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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
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C. Correlation Between Serum Potassium Concentration and Change From Baseline in QTcF
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: Baseline through Day 5
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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
Tijdsspanne: Baseline through Day 5
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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
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A. Correlation Between Body Temperature and Change From Baseline in QTcF
Tijdsspanne: Baseline through Day 5
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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
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B. Correlation Between Body Temperature and Change From Baseline in QTcB
Tijdsspanne: Baseline through Day 5
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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
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Medewerkers en onderzoekers
Sponsor
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Studie start
Primaire voltooiing (Geschat)
Primaire voltooiing
Studie voltooiing (Geschat)
Studie voltooiing
Studieregistratiedata
Eerst ingediend
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Eerst geplaatst
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update geplaatst
Laatste update ingediend die voldeed aan QC-criteria
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
Andere studie-ID-nummers
- SEZA-24-01
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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