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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.

研究概览

地位

尚未招聘

条件

干预/治疗

详细说明

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.

研究类型

介入性

注册 (估计的)

45

阶段

  • 第四阶段

联系人和位置

本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。

学习联系方式

学习地点

    • Michigan
      • Detroit、Michigan、美国、48201
        • Site 1

参与标准

研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

1秒 至 3周 (孩子)

接受健康志愿者

不

有资格学习的性别

全部

描述

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.

学习计划

本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。

研究是如何设计的?

设计细节

  • 主要用途:其他
  • 分配:不适用
  • 介入模型:单组作业
  • 屏蔽:无(打开标签)

武器和干预

参与者组/臂
干预/治疗
实验性的: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.

其他名称:
  • Phenobarbital sodium

研究衡量的是什么?

主要结果指标

结果测量
措施说明
大体时间
Change From Baseline in QT Interval Corrected Using Fridericia's Formula (QTcF)
大体时间: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

次要结果测量

结果测量
措施说明
大体时间
Change From Baseline in QT Interval Corrected Using Bazett's Formula (QTcB)
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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
大体时间: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

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (估计的)

2026年12月1日

初级完成 (估计的)

2028年3月1日

研究完成 (估计的)

2028年3月1日

研究注册日期

首次提交

2026年10月13日

首先提交符合 QC 标准的

2026年11月2日

首次发布 (实际的)

2026年11月6日

研究记录更新

最后更新发布 (实际的)

2026年11月6日

上次提交的符合 QC 标准的更新

2026年11月2日

最后验证

2026年11月1日

更多信息

与本研究相关的术语

其他研究编号

  • SEZA-24-01

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)?

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

是的

研究美国 FDA 监管的设备产品

不

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