Epilepsies, Partial, Epilepsy, Epilepsy, Complex Partial, Epilepsy, Generalized, Seizures
Conditions
Keywords
Acute Repetitive Seizures, ARS, Diazepam, Cluster Seizures
Brief summary
To evaluate the efficacy and safety of diazepam in the management of refractory epilepsy in selected patients who require intermittent medical intervention for the control of episodes of acute repetitive seizures. In addition, to assess the support provided by caregivers who are not themselves or not under the direct supervision of health care professionals at the time of administration.
Interventions
Intramuscular autoinjector; administered at onset of an episode
Intramuscular autoinjector: 5, 10, 15, or 20 mg (based on participant's age and weight); administered at the onset of an episode
Sponsors
Study design
Eligibility
Inclusion criteria
Key Inclusion Criteria For Patient: * Older than 2 years of age and between 6 and 136 kg body weight * Recipient of clinical diagnosis of epilepsy, taking a stable antiepileptic drug regimen for at least 2 weeks, and requiring intermittent medical intervention to control episodes of acute repetitive seizures (ARS) * Experienced at least 2 episodes of ARS in previous year, one of which occurred in previous 6 months * Has episodes of ARS that include complex partial or generalized seizures * Has a responsible caregiver available to participate * Is not pregnant or lactating and is practicing an acceptable method of birth control. For Caregiver: * Age of 18 years or older and has demonstrated responsibility as a caregiver through training to: * Recognize an episode of repetitive seizures for which the injection was intended, * Administer study drug * Count and record seizures and respiratory rate in the patient diary, * Monitor the patient and record observations in the patient diary for 12 hours following study drug treatment * Recognize the need for immediate medical attention. Key
Exclusion criteria
For Patient: * Petit mal status or petit mal variant status * History of ARS consistently progressing to status epilepticus * History of failure to respond to benzodiazepine treatment * Hypersensitivity to diazepam * Acute narrow angle glaucoma * Alcohol and/or other substance abuse * Has taken another investigational drug in previous 30 days * Acute or progressive neurologic or severe psychiatric disease or severe mental abnormality.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Time to Next Seizure or Rescue Medication During the Double-blind Period (Kaplan-Meier 50th Percentile) | From 15 minutes to 12 hours after study drug administration for an episode of ARS during the Double-blind Period | An event was defined as an episode of or required rescue medication for an episode of acute repetitive seizures (ARS) within 15 minutes to 12 hours following study drug administration. Patients without an ARS event were censored at 12 hours. Diaries were provided; if no diary was returned, or the diary did not provide answers to questions about seizures and rescue during the 12-hour follow-up period, the patient was considered censored as of 15 minutes past the treatment time, unless another contact was documented. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode. Patients and their caregivers were trained to recognize the onset of an episode of ARS and when and how to administer study drug. |
| Percentage of Participants With an Event (Next Seizure or Rescue Medication) During the Open-label Period | From 15 minutes to 12 hours after study drug administration for an episode of ARS during the Double-blind Period | An event was defined as an episode of or required rescue medication for an episode of acute repetitive seizures (ARS) within 15 minutes to 12 hours following study drug administration. Patients without an ARS event were censored at 12 hours. Diaries were provided; if no diary was returned, or the diary did not provide answers to questions about seizures and rescue during the 12-hour follow-up period, the patient was considered censored as of 15 minutes past the treatment time, unless another contact was documented. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode. Patients and their caregivers were trained to recognize the onset of an episode of ARS and when and how to administer study drug. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Number of Participants Requiring Rescue Medical Care Other Than Rescue Medication or Emergency Department Visits During the Double-blind Period | From 15 minutes to 12 hours following study drug administration for an episode of ARS during the Double-blind Period | Other rescue medical care consisted of care other than rescue medication or emergency department visits. Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. An episode of ARS was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Mean Score on Caregiver Global Treatment Assessment During the Double-blind Period | Assessments completed at the end of each treated episode of ARS in the Double-blind Period | Caregiver global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Mean Score on Physician Global Treatment Assessment During the Double-blind Period | At Visit 2 and subsequent visits in the Double-blind Period | Physician global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes. The physician global evaluation is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Number of Participants Requiring Rescue Medication During the Open-label Period | From 15 minutes to 12 hours after study drug administration during the Open-label Period | Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode. |
| Number of Participants Requiring Rescue Medication During the Double-blind Period | From 15 minutes to 12 hours following study drug administration for an episode of ARS during the Double-blind Period | If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the acute repetitive seizure (ARS) episode. Each patient's specific criteria for seizure and an episode of ARS were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. An episode of ARS was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Number of Participants Requiring Rescue Medical Care Other Than Medication or Emergency Department Visits During the Open-label Period | From 15 minutes to 12 hours after study drug administration for onset of an episode of ARS during the Open-label Period | Other rescue medical care consisted of care other than rescue medication or emergency department visits. Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. |
| Mean Score on Caregiver Global Treatment Assessment During the Open-label Period | Assessments completed at the end of each treated episode of ARS in the Open-label Period | Caregiver global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Mean Score on Physician Global Treatment Assessment During the Open-label Period | From Visit 2 and subsequent visits in the Open-label Period to discharge or study termination | Physician global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
| Number of Participants Requiring Emergency Department Visits During the Open-label Period | From 15 minutes to 12 hours after study drug administration for onset of an episode of ARS during the Open-label Period | Any use of emergency treatment (such as an emergency room visit) was recorded in the patient's diary, along with the date, time, and reason for the emergency treatment. Emergency department visits required some type of rescue action taken, other than the visit itself. |
| Number of Participants Requiring Emergency Department Visits During the Double-blind Period | From 15 minutes to 12 hours following study drug administration for onset of an episode of ARS during the Double-blind Period | Any use of emergency treatment (such as an emergency room visit) was recorded in the patient's diary, along with the date, time, and reason for the emergency treatment. Emergency department visits required some type of rescue action taken, other than the visit itself. An episode of acute repetitive seizures (ARS) was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged. |
Countries
United States
Participant flow
Pre-assignment details
Of 234 participants randomized, 71 (29 placebo, 42 diazepam) did not receive/attempt to receive treatment. Discontinuation prior to treatment due to: 3,0 protocol violations; 6,5 sponsor's request; 4,8 Principal Investigator request; 5,11 other; 0,2 lost to follow-up, and 9,10 withdrawn consent.
Participants by arm
| Arm | Count |
|---|---|
| Diazepam During the Double-blind Period, participants received a single, age- and weight-appropriate dose of diazepam solution, ranging from 0.2 to 0.5 mg/kg, administered by caregivers untrained as and unsupervised by healthcare professionals. Drug was delivered by a spring-driven, pressure-activated, prefilled autoinjector at the onset of an episode of acute repetitive seizures (ARS). Additional doses were permissible as needed during the Open-label and Open-label Extension Periods. | 124 |
| Placebo During the Double-blind Period, participants received a single, age- and weight-appropriate dose of placebo solution as a deep intramuscular injection in the mid to outer thigh. Drug was administered by a caregiver using a spring-driven, pressure-activated, prefilled autoinjector at the onset of an episode of ARS. | 110 |
| Total | 234 |
Withdrawals & dropouts
| Period | Reason | FG000 | FG001 |
|---|---|---|---|
| Double-blind Period | Did not receive treatment | 42 | 29 |
| Double-blind Period | Sponsor Request | 1 | 0 |
| Double-blind Period | Withdrawal by Subject | 0 | 3 |
| Open-label Extension Period | Adverse Event | 2 | 0 |
| Open-label Extension Period | Did not receive treatment | 18 | 0 |
| Open-label Extension Period | Other | 1 | 0 |
| Open-label Extension Period | Principal investigator decision | 2 | 0 |
| Open-label Extension Period | Sponsor request | 26 | 0 |
| Open-label Extension Period | Withdrawal by Subject | 2 | 0 |
| Open-label Period | Adverse Event | 5 | 0 |
| Open-label Period | Did not receive treatment | 33 | 0 |
| Open-label Period | Lost to Follow-up | 5 | 0 |
| Open-label Period | Other | 11 | 0 |
| Open-label Period | Principal Investigator decision | 6 | 0 |
| Open-label Period | Protocol Violation | 6 | 0 |
| Open-label Period | Sponsor request | 12 | 0 |
| Open-label Period | Withdrawal by Subject | 38 | 0 |
Baseline characteristics
| Characteristic | Diazepam | Total | Placebo |
|---|---|---|---|
| Age, Continuous | 22.8 years STANDARD_DEVIATION 15.98 | 22.1 years STANDARD_DEVIATION 14.61 | 21.3 years STANDARD_DEVIATION 12.92 |
| Age, Customized 12 years and older | 94 participants | 184 participants | 90 participants |
| Age, Customized 2 to 5 years | 12 participants | 18 participants | 6 participants |
| Age, Customized 6 to 11 years | 18 participants | 32 participants | 14 participants |
| Ethnicity (NIH/OMB) Hispanic or Latino | 15 Participants | 24 Participants | 9 Participants |
| Ethnicity (NIH/OMB) Not Hispanic or Latino | 109 Participants | 210 Participants | 101 Participants |
| Ethnicity (NIH/OMB) Unknown or Not Reported | 0 Participants | 0 Participants | 0 Participants |
| Height | 154.2 Centimeters STANDARD_DEVIATION 25.08 | 154.4 Centimeters STANDARD_DEVIATION 23.91 | 154.5 Centimeters STANDARD_DEVIATION 22.61 |
| Place of Residence Foster home | 0 Participants | 1 Participants | 1 Participants |
| Place of Residence Group home | 1 Participants | 2 Participants | 1 Participants |
| Place of Residence Home | 123 Participants | 230 Participants | 107 Participants |
| Place of Residence Other | 0 Participants | 0 Participants | 0 Participants |
| Place of Residence Residential facility | 0 Participants | 1 Participants | 1 Participants |
| Race/Ethnicity, Customized American Indian or Alaska Native | 0 Participants | 0 Participants | 0 Participants |
| Race/Ethnicity, Customized Asian | 2 Participants | 4 Participants | 2 Participants |
| Race/Ethnicity, Customized Black/African American | 13 Participants | 30 Participants | 17 Participants |
| Race/Ethnicity, Customized Missing | 0 Participants | 0 Participants | 0 Participants |
| Race/Ethnicity, Customized Native Hawaiian or other Pacific Islander | 0 Participants | 0 Participants | 0 Participants |
| Race/Ethnicity, Customized Other | 5 Participants | 7 Participants | 2 Participants |
| Race/Ethnicity, Customized White/Caucasian | 104 Participants | 193 Participants | 89 Participants |
| Sex: Female, Male Female | 62 Participants | 116 Participants | 54 Participants |
| Sex: Female, Male Male | 62 Participants | 118 Participants | 56 Participants |
| Weight | 61.0 Kilograms STANDARD_DEVIATION 29.15 | 60.0 Kilograms STANDARD_DEVIATION 28.79 | 58.9 Kilograms STANDARD_DEVIATION 28.47 |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk | EG002 affected / at risk | EG003 affected / at risk |
|---|---|---|---|---|
| deaths Total, all-cause mortality | — / — | — / — | — / — | — / — |
| other Total, other adverse events | 33 / 81 | 43 / 128 | 20 / 33 | 32 / 79 |
| serious Total, serious adverse events | 2 / 81 | 20 / 128 | 11 / 33 | 3 / 79 |
Outcome results
Percentage of Participants With an Event (Next Seizure or Rescue Medication) During the Open-label Period
An event was defined as an episode of or required rescue medication for an episode of acute repetitive seizures (ARS) within 15 minutes to 12 hours following study drug administration. Patients without an ARS event were censored at 12 hours. Diaries were provided; if no diary was returned, or the diary did not provide answers to questions about seizures and rescue during the 12-hour follow-up period, the patient was considered censored as of 15 minutes past the treatment time, unless another contact was documented. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode. Patients and their caregivers were trained to recognize the onset of an episode of ARS and when and how to administer study drug.
Time frame: From 15 minutes to 12 hours after study drug administration for an episode of ARS during the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Open-label Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Percentage of Participants With an Event (Next Seizure or Rescue Medication) During the Open-label Period | 22.4 Percentage of participants |
Time to Next Seizure or Rescue Medication During the Double-blind Period (Kaplan-Meier 50th Percentile)
An event was defined as an episode of or required rescue medication for an episode of acute repetitive seizures (ARS) within 15 minutes to 12 hours following study drug administration. Patients without an ARS event were censored at 12 hours. Diaries were provided; if no diary was returned, or the diary did not provide answers to questions about seizures and rescue during the 12-hour follow-up period, the patient was considered censored as of 15 minutes past the treatment time, unless another contact was documented. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode. Patients and their caregivers were trained to recognize the onset of an episode of ARS and when and how to administer study drug.
Time frame: From 15 minutes to 12 hours after study drug administration for an episode of ARS during the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Double-blind Period.
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Diazepam | Time to Next Seizure or Rescue Medication During the Double-blind Period (Kaplan-Meier 50th Percentile) | 5.92 Hours |
| Placebo | Time to Next Seizure or Rescue Medication During the Double-blind Period (Kaplan-Meier 50th Percentile) | NA Hours |
Mean Score on Caregiver Global Treatment Assessment During the Double-blind Period
Caregiver global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: Assessments completed at the end of each treated episode of ARS in the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an episode of ARS during the Double-blind Period.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Diazepam | Mean Score on Caregiver Global Treatment Assessment During the Double-blind Period | 6.2 Units on a scale | Standard Deviation 2.79 |
| Placebo | Mean Score on Caregiver Global Treatment Assessment During the Double-blind Period | 5.5 Units on a scale | Standard Deviation 2.86 |
Mean Score on Caregiver Global Treatment Assessment During the Open-label Period
Caregiver global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: Assessments completed at the end of each treated episode of ARS in the Open-label Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Open-label Period and who were available for participation.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Diazepam | Mean Score on Caregiver Global Treatment Assessment During the Open-label Period | 6.78 Units on a scale | Standard Deviation 1.896 |
Mean Score on Physician Global Treatment Assessment During the Double-blind Period
Physician global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes. The physician global evaluation is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: At Visit 2 and subsequent visits in the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an episode of ARS during the Double-blind Period.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Diazepam | Mean Score on Physician Global Treatment Assessment During the Double-blind Period | 6.3 Units on a scale | Standard Deviation 2.45 |
| Placebo | Mean Score on Physician Global Treatment Assessment During the Double-blind Period | 5.5 Units on a scale | Standard Deviation 2.69 |
Mean Score on Physician Global Treatment Assessment During the Open-label Period
Physician global evaluation is based on seizure frequency, severity, and overall outcome compared with previous episodes and is rated on a 10-cm visual analogue scale, where 0=much worse and 10=much better. A higher score indicates greater improvement. An episode of acute repetitive seizures (ARS) is defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: From Visit 2 and subsequent visits in the Open-label Period to discharge or study termination
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Open-label Period and who were available for evaluation.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Diazepam | Mean Score on Physician Global Treatment Assessment During the Open-label Period | 6.87 Units on a scale | Standard Deviation 1.645 |
Number of Participants Requiring Emergency Department Visits During the Double-blind Period
Any use of emergency treatment (such as an emergency room visit) was recorded in the patient's diary, along with the date, time, and reason for the emergency treatment. Emergency department visits required some type of rescue action taken, other than the visit itself. An episode of acute repetitive seizures (ARS) was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: From 15 minutes to 12 hours following study drug administration for onset of an episode of ARS during the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an episode of ARS during the Double-blind Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Emergency Department Visits During the Double-blind Period | 2 Participants |
| Placebo | Number of Participants Requiring Emergency Department Visits During the Double-blind Period | 4 Participants |
Number of Participants Requiring Emergency Department Visits During the Open-label Period
Any use of emergency treatment (such as an emergency room visit) was recorded in the patient's diary, along with the date, time, and reason for the emergency treatment. Emergency department visits required some type of rescue action taken, other than the visit itself.
Time frame: From 15 minutes to 12 hours after study drug administration for onset of an episode of ARS during the Open-label Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Open-label Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Emergency Department Visits During the Open-label Period | 13 Participants |
Number of Participants Requiring Rescue Medical Care Other Than Medication or Emergency Department Visits During the Open-label Period
Other rescue medical care consisted of care other than rescue medication or emergency department visits. Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug.
Time frame: From 15 minutes to 12 hours after study drug administration for onset of an episode of ARS during the Open-label Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Double-blind Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Rescue Medical Care Other Than Medication or Emergency Department Visits During the Open-label Period | 5 Participants |
Number of Participants Requiring Rescue Medical Care Other Than Rescue Medication or Emergency Department Visits During the Double-blind Period
Other rescue medical care consisted of care other than rescue medication or emergency department visits. Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. An episode of ARS was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: From 15 minutes to 12 hours following study drug administration for an episode of ARS during the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS event during the Double-blind Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Rescue Medical Care Other Than Rescue Medication or Emergency Department Visits During the Double-blind Period | 0 Participants |
| Placebo | Number of Participants Requiring Rescue Medical Care Other Than Rescue Medication or Emergency Department Visits During the Double-blind Period | 2 Participants |
Number of Participants Requiring Rescue Medication During the Double-blind Period
If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the acute repetitive seizure (ARS) episode. Each patient's specific criteria for seizure and an episode of ARS were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. An episode of ARS was defined as an episode of multiple complex, partial, or generalized seizures occurring over a brief period (minutes to 12 hours) with the patient regaining consciousness between seizures, which were readily recognizable by the patient or a trained caregiver. ARS includes seizures sometimes referred to as serial, cluster, crescendo, or stuttering prolonged.
Time frame: From 15 minutes to 12 hours following study drug administration for an episode of ARS during the Double-blind Period
Population: All randomized participants for whom an attempt (successful or not) was made to administer study drug for an ARS during the Double-blind Period.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Rescue Medication During the Double-blind Period | 14 Participants |
| Placebo | Number of Participants Requiring Rescue Medication During the Double-blind Period | 24 Participants |
Number of Participants Requiring Rescue Medication During the Open-label Period
Each patient's specific criteria for seizure and an episode of acute repetitive seizure (ARS) were determined by the Investigator. Patients and their caregivers were trained to use these criteria to recognize the onset of an episode of ARS and when and how to administer study drug. If seizure control following study drug administration was inadequate, diazepam rectal gel was provided as a rescue medication, given only in the first 4 hours after study drug administration and only if the caregiver was directed to do so by the Investigator or designee at the time of the ARS episode.
Time frame: From 15 minutes to 12 hours after study drug administration during the Open-label Period
Population: All randomized participants in whom an attempt (successful or not) was made to administer study drug for an ARS episode during the Open-label Period of the study.
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| Diazepam | Number of Participants Requiring Rescue Medication During the Open-label Period | 39 Participants |