Open-label Study of Midazolam Hydrochloride Oromucosal Solution (MHOS/SHP615) in Children With Status Epilepticus (Convulsive) in a Healthcare Setting in Japan

July 15, 2020 updated by: Shire

A Phase 3, Multicenter, Open-label Study to Determine the Efficacy, Safety, and Pharmacokinetics of Buccally Administered MHOS/SHP615 in Pediatric Patients With Status Epilepticus (Convulsive) in the Hospital or Emergency Room

The purpose of this study is to assess the efficacy, safety and pharmacokinetics of MHOS/SHP615 administered buccally in children with status epilepticus (convulsive) in a healthcare setting.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
25

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Japan
      • Fukuoka, Japan, 813-0017
        • Fukuoka Children's Hospital(NW)
      • Hokkaidō, Japan, 063-0005
        • NHO Hokkaido Medical Center
      • Kumamoto, Japan, 861-1196
        • Kumamoto Saishunso National Hospital
      • Nagasaki, Japan, 856-8562
        • NHO Nagasaki Medical Center
      • Niigata, Japan, 950-2085
        • NHO Nishi Niigata Chuo National Hospital
      • Obu, Japan, 474-8710
        • Aichi Children's Health and Medical Center(NW)
      • Okayama, Japan, 700-0914
        • Okayama University Hospital
      • Osaka, Japan, 535-0022
        • Nakano Children's Hospital
      • Osaka, Japan, 594-1101
        • Osaka Women's and Children's Hospital(NW)
      • Saitama, Japan, 330-8777
        • Saitama Children's Medical Center(NW)
      • Suita, Japan, 565-0871
        • Osaka University Hospital
      • Tokyo, Japan, 187-0031
        • National Center Hospital, NCNP
      • Tottori, Japan, 683-8504
        • Tottori University Hospital
      • Yamadaoka, Japan, 565-0871
        • Osaka University Hospital
      • Yokohama, Japan, 232-0066
        • Kanagawa Children's Medical Center(NW)
    • Fujimi
      • Kofu, Fujimi, Japan, 400-8506
        • Yamanashi Prefectural Central Hospital
    • Gifu Prefecture
      • Gifu, Gifu Prefecture, Japan, 500-8717
        • Gifu Prefectural General Medical Center
    • Hokkaido
      • Sapporo, Hokkaido, Japan, 060-8648
        • Hokkaido University Hospital
    • Kawadacho
      • Tokyo, Kawadacho, Japan, 162-8666
        • Tokyo Women's Medical University Hospital
    • Okayama Prefecture
      • Okayama, Okayama Prefecture, Japan, 701-0304
        • NHO Minami-Okayama Medical Center
    • Owada Shinden
      • Yachiyo, Owada Shinden, Japan, 276-8524
        • Tokyo Women's Medical University Yachiyo Medical Center
    • Saitama-ken
      • Saitama-shi, Saitama-ken, Japan, 330-8503
        • Jichi Children's Medical Center Tochigi
    • Shizuoka Prefecture
      • Shizuoka, Shizuoka Prefecture, Japan, 420-8688
        • Shizuoka Institute of Epilepsy and Neurological Disorders

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

3 months to 18 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male and female participants whose corrected gestational age is greater than or equal to (>=) 52 weeks (gestational weeks plus the number of weeks after birth) and less than (<) 18 years (and weight greater than [>] 5 kilogram [kg]), at the time of investigational product administration. If the participant's exact age is not known, the participant should be excluded.
  • Parent, guardian, or legally authorized representative (LAR) of the child provides informed consent (and assent, when applicable per Shire policy and country regulations) to participate in the study prior to participation in any protocol specific procedures. The participant may be prescreened by the investigator in their clinical practice and the parent, guardian, or LAR may sign informed consent before the participant presents to the healthcare setting for treatment of the seizure.

  • Participant with generalized tonic-clonic SE with seizures accompanied by loss of consciousness with any of the following characteristics persistent at the time of study drug administration:

    1. Currently presenting with seizure (convulsive) activity and 3 or more convulsions within the preceding hour
    2. Currently presenting with seizure (convulsive) and 2 or more convulsions in succession without recovery of consciousness
    3. Currently presenting with a single seizure (convulsive) lasting >=5 mins

Exclusion Criteria:

  • Female participants who are pregnant, suspected to be pregnant, or nursing.
  • Subjects with major trauma, not necessarily restricted to the head, as the cause of the seizure.
  • Subjects with seizures due to illegal drug or acute alcoholic intoxication.
  • Subjects with known or suspected recurrent seizures due to illegal drug or alcohol withdrawal.
  • Subjects with history of seizures of psychogenic origin.
  • Subjects with seizures due to severe encephalitis or meningitis, as determined by the PI
  • Subjects with known history of hypersensitivities, non-responsiveness or contraindications to benzodiazepines (ie, clinically significant respiratory depression, severe acute hepatic failure, myasthenia gravis, syndrome of sleep apnea, glaucoma with closed angle, use of concomitant drugs determined by the investigator to have a contraindication to the use of benzodiazepines.)
  • Subjects with a known history of benzodiazepine abuse.
  • Subjects who, in the judgment of the healthcare provider, have not responded to previous administrations of midazolam systemic therapies, including Midafresa and/or Dormicum.
  • Subjects who need emergent surgical intervention and general anesthesia/intubation.
  • Subjects with significant hypotension and cardiac dysrhythmia (example [eg], atrioventricular [AV] block of second or third degree, VT [ventricular tachycardia]).
  • Subjects who have been receiving human immunodeficiency virus (HIV) protease inhibitors or HIV reverse transcriptase inhibitors.
  • Subjects with current hypoglycemia (glucose <60 milligram per deciliter [mg/dL]) upon presentation at the hospital or healthcare setting.
  • Subjects with severe cerebral anoxia (except cerebral palsy), in the judgment of the healthcare provider.
  • Subjects have used an investigational product or been enrolled in a clinical study (including vaccine studies) that, in the investigator's opinion, may impact this Shire-sponsored study.
  • Subjects has received antiseizure medication prior to arrival in the healthcare setting.
  • Subjects has prior placement of a vagus nerve stimulator.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: SHP615
Participants will receive a single age-specific dose (approximately 0.25 to 0.5 milligram per kilogram [mg/kg] as midazolam) of SHP615 oromucosal solution through buccal route upon onset of seizures.
Drug: SHP615
SHP615 oromucosal solution will be administered as a single age-specific dose (2.5, 5, 7.5 and 10 mg).
Other Names:
  • MHOS
  • Midazolam hydrochloride oromucosal solution

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Response Rate
Time Frame: From start of study drug administration up to 30 minutes post-dose
Response rate was defined as the percentage of participants with therapeutic success. Therapeutic success was defined as the cessation of visible seizure activity within 10 minutes with a sustained absence of visible seizure activity for 30 minutes following a single dose of MHOS/SHP615 without the need for additional rescue medication.
From start of study drug administration up to 30 minutes post-dose

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants Who Had Sustained Absence of Seizure Activity for at Least 1, 4 and 6 Hours
Time Frame: From start of study drug administration up to 1, 4 and 6 hours post-dose
Percentage of participants whose seizure event stopped within 10 minutes of single dose administration of SHP615 and who had sustained absence of seizure activity for at least 1, 4, and 6 hours were reported.
From start of study drug administration up to 1, 4 and 6 hours post-dose
Number of Participants With Time to Resolution of Seizures (Convulsions)
Time Frame: From start of study drug administration up to follow-up (Day 8)
Time to resolution of seizures (convulsions) was calculated as time from IP administration to the end of the initial seizure or administration of rescue anti-convulsant medication, whichever occurs first. Initial seizure referred to the seizure that triggered the use of the IP. Number of participants with time to resolution of seizures (convulsions) from the administration of SHP615 were reported.
From start of study drug administration up to follow-up (Day 8)
Number of Participants With Time to Recovery of Consciousness
Time Frame: From start of study drug administration up to follow-up (Day 8)
Time to recovery of consciousness (in minutes) was calculated only for participants who lost consciousness pre-dose at time from investigational product administration to recovery of consciousness post-dose or administration of rescue anticonvulsant medication, whichever occurs first. Number of participants with time to recovery of consciousness were reported.
From start of study drug administration up to follow-up (Day 8)
Percentage of Participants Who Required Additional Anticonvulsant Medication for Ongoing Status Epilepticus (SE)
Time Frame: 10 minutes post-dose
Percentage of participants who required additional anticonvulsant medication for ongoing SE, 10 minutes after a single dose of SHP615 were reported.
10 minutes post-dose
Percentage of Participants Who Failed to Respond to the Treatment With SHP615
Time Frame: 10 minutes post-dose
Treatment failure/non-responder was defined as participants with continuing seizure activity and/or the need for any additional rescue medication according to the participating healthcare setting protocol or guideline, for 10 mins or more after a single dose of the IP.
10 minutes post-dose
Concentration of SHP615 in Plasma at 10 Minutes (C10)
Time Frame: 10 minutes post-dose
Concentration of SHP615 in plasma at 10 minutes were reported.
10 minutes post-dose
Maximum Plasma Concentration (Cmax) of SHP615
Time Frame: 1, 3, 6 hours post-dose
Cmax of SHP615 in plasma were reported.
1, 3, 6 hours post-dose
Area Under the Concentration-time Curve From Time Zero to 10 Minutes (AUC0-10) of SHP615 in Plasma
Time Frame: Pre-dose, 10 minutes post-dose
AUC0-10 of SHP615 in plasma were reported. Here "min ng/mL" was minutes nanogram per milliliter.
Pre-dose, 10 minutes post-dose
Area Under the Concentration-time Curve From Time Zero to 60 Minutes (AUC0-60) of SHP615 in Plasma
Time Frame: Pre-dose, 60 minutes post-dose
AUC0-60 of SHP615 in plasma were reported.
Pre-dose, 60 minutes post-dose
Area Under the Concentration-time Curve From Time Zero to 180 Minutes (AUC0-180) of SHP615 in Plasma
Time Frame: Pre-dose, 180 minutes post-dose
AUC0-180 of SHP615 in plasma were reported.
Pre-dose, 180 minutes post-dose
Area Under the Concentration-time Curve From Time Zero to Infinity (AUC0-inf) of SHP615 in Plasma
Time Frame: Pre-dose, 1, 3, and 6 hours post-dose
AUC(0-infinity) of SHP615 in plasma were reported.
Pre-dose, 1, 3, and 6 hours post-dose
Time at Maximum Concentration (Tmax) of SHP615 in Plasma
Time Frame: 1, 3, and 6 hours post-dose
Tmax of SHP615 in plasma were reported.
1, 3, and 6 hours post-dose
Elimination Half-life (T1/2) of SHP615 in Plasma
Time Frame: 1, 3, and 6 hours post-dose
T1/2 of SHP615 in plasma were reported.
1, 3, and 6 hours post-dose
Number of Participants With Respiratory Depression
Time Frame: From start of study drug administration up to follow-up (Day 8)
Respiratory depression, included the following measures within 24 hours after administration of the IP: i) Persistent decrease in oxygen saturation to < 92 percent (%) measured at 10, 30 minutes, and 4, 6, and 24 hours post-dose (i.e, < 92 % on room air for 2 minutes or more after dosing while monitoring [per healthcare setting protocol and/or the clinical judgment of the physician]) ii) Increase in respiratory effort such that assisted ventilation is used (bag-valve-mask ventilation or endotracheal intubation). Number of participants with respiratory depression were reported.
From start of study drug administration up to follow-up (Day 8)
Number of Participants With Aspiration Pneumonia Reported as Treatment Emergent Adverse Events (TEAEs)
Time Frame: From start of study drug administration up to follow-up (Day 8)
TEAEs was defined as AEs that start or deteriorate on or after the date of the first dose of investigational product and no later than 3 days following the last dose of IP. Number of participants with aspiration pneumonia identified as TEAEs were reported.
From start of study drug administration up to follow-up (Day 8)
Change From Baseline in Riker Sedation-Agitation Scale at 24 Hours Post-dose
Time Frame: Baseline, 24 hours post-dose
Sedation-Agitation was assessed, using the "Riker Sedation-Agitation Scale" (SAS) by the following 7-point scale: 7. dangerous agitation; 6. very agitated; 5. agitated; 4. calm, cooperative; 3. sedated; 2. very sedated; 1. unarousable. Change from baseline in riker sedation-agition scale at 24 hours post-dose were reported.
Baseline, 24 hours post-dose
Number of Participants With Treatment-Emergent Adverse Events (TEAEs)
Time Frame: From start of study drug administration up to follow-up (Day 8)
An adverse event (AE) was any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment. TEAEs was defined as AEs that start or deteriorate on or after the date of the first dose of investigational product and no later than 3 days following the last dose of IP. Number of participants with TEAEs were reported.
From start of study drug administration up to follow-up (Day 8)
Change From Baseline in Oxygen Saturation Percentage at 24 Hours Post-dose
Time Frame: Baseline, 24 hours post-dose
Oxygen saturation at baseline was measured and recorded on room air. The investigator had recorded the oxygen saturation, oxygen delivery system and amount of oxygen administered during the study. Change from baseline in oxygen saturation percentage at 24 hours post-dose were reported.
Baseline, 24 hours post-dose

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Shire

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 23, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
August 19, 2019

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 19, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 6, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 6, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
November 8, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 31, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 15, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • SHP615-301

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Shire provides access to the de-identified individual participant data for eligible studies to aid qualified researchers in addressing legitimate scientific objectives. These IPDs will be provided following approval of a data sharing request, and under the terms of a data sharing agreement.

IPD Sharing Access Criteria

IPD from eligible studies will be shared with qualified researchers according to the criteria and process described in the Data Sharing section of the www.shiretrials.com website. For approved requests, the researchers will be provided access to anonymized data (to respect patient privacy in line with applicable laws and regulations) and with information necessary to address the research objectives under the terms of a data sharing agreement.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • CSR

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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