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Study of Electrocardiogram (ECG) Safety of Sezaby in Neonatal Seizures

2 november 2026 bijgewerkt door: Sun Pharma Advanced Research Company Limited

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

Nog niet aan het werven

Conditie

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

Ingrijpend

Inschrijving (Geschat)

45

Fase

  • Fase 4

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Locaties

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

1 seconde tot 3 weken (Kind)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Inclusion Criteria:

  1. Neonates with seizures confirmed by continuous electroencephalogram (cEEG) monitoring.
  2. Acute symptomatic seizure etiologies other than correctable metabolic abnormalities.
  3. Term or preterm infants with postnatal age less than 28 days.
  4. Body weight of at least 1 kg.
  5. Written informed consent from a parent or legal guardian.

Exclusion Criteria:

  1. Prior treatment with anticonvulsant medications.
  2. Correctable metabolic abnormalities associated with seizure cessation when corrected.
  3. Baseline QT interval corrected using Fridericia's formula (QTcF) greater than 450 milliseconds.
  4. Significant risk factors for torsade de pointes, including congenital long QT syndrome or significant cardiac disease.
  5. Renal failure.
  6. Acute porphyria.
  7. Neonates in whom death is considered imminent in the opinion of the investigator.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Ander
  • Toewijzing: NVT
  • Interventioneel model: Opdracht voor een enkele groep
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
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:
  • Phenobarbital sodium

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change From Baseline in QT Interval Corrected Using Fridericia's Formula (QTcF)
Tijdsspanne: Baseline through Day 5

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

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change From Baseline in QT Interval Corrected Using Bazett's Formula (QTcB)
Tijdsspanne: 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
Incidence of Treatment-Emergent Adverse Events
Tijdsspanne: 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)
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

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
Frequency of Treatment-Emergent Changes in Electrocardiogram Morphology
Tijdsspanne: Baseline through Day 5

Frequency of treatment-emergent changes in electrocardiogram (ECG) morphology following treatment with Sezaby.

Baseline through Day 5
Incidence of Categorical Outliers in QTcF, QTcB, Heart Rate, PR Interval, and QRS Interval
Tijdsspanne: Baseline through Day 5

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
Plasma Concentration of Phenobarbital
Tijdsspanne: Baseline through Day 5

Assessment of plasma concentrations of phenobarbital following administration of Sezaby.

Baseline through Day 5
A. Correlation Between Post-Conceptional Age and Change From Baseline in QTcF
Tijdsspanne: 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
B. Correlation Between Post-Conceptional Age and Change From Baseline in QTcB
Tijdsspanne: 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
A. Correlation Between Serum Sodium Concentration and Change From Baseline in QTcF
Tijdsspanne: 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
B. Correlation Between Serum Sodium Concentration and Change From Baseline in QTcB
Tijdsspanne: 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
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
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
E. Correlation Between Serum Calcium Concentration and Change From Baseline in QTcF
Tijdsspanne: 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
F. Correlation Between Serum Calcium Concentration and Change From Baseline in QTcB
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

1 december 2026

Primaire voltooiing (Geschat)

1 maart 2028

Studie voltooiing (Geschat)

1 maart 2028

Studieregistratiedata

Eerst ingediend

13 oktober 2026

Eerst ingediend dat voldeed aan de QC-criteria

2 november 2026

Eerst geplaatst (Werkelijk)

6 november 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

6 november 2026

Laatste update ingediend die voldeed aan QC-criteria

2 november 2026

Laatst geverifieerd

1 november 2026

Meer informatie

Termen gerelateerd aan deze studie

Andere studie-ID-nummers

  • SEZA-24-01

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Ja

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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