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

2. november 2026 opdateret af: 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.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

45

Fase

  • Fase 4

Kontakter og lokationer

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

Studiekontakt

Studiesteder

  • Forenede Stater
    • Michigan
      • Detroit, Michigan, Forenede Stater, 48201
        • Site 1

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 sekund til 3 uger (Barn)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

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.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Andet
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 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.
Medicin: Sezaby

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.

Andre navne:
  • Phenobarbital sodium

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in QT Interval Corrected Using Fridericia's Formula (QTcF)
Tidsramme: 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

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change From Baseline in QT Interval Corrected Using Bazett's Formula (QTcB)
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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

Samarbejdspartnere og efterforskere

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

Sponsor

Sun Pharma Advanced Research Company Limited

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 (Anslået)

1. december 2026

Primær færdiggørelse (Anslået)

1. marts 2028

Studieafslutning (Anslået)

1. marts 2028

Datoer for studieregistrering

Først indsendt

13. oktober 2026

Først indsendt, der opfyldte QC-kriterier

2. november 2026

Først opslået (Faktiske)

6. november 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • SEZA-24-01

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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