Epilepsy
Conditions
Interventions
- Route of administration: Inhalation
- Participants will receive one dose of Staccato alprazolam during the Treatment Period.
- Route of administration: Inhalation
- Participants will receive one do
Sponsors
Sasamoto Hiroshi
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: - Participant must be >=12 years of age at the Baseline/Randomization Visit - Participant must have a study caregiver >=18 years of age at the Screening Visit; the study caregiver(s) must be a relative, partner, friend, or legally authorized representative (LAR) of the participant, or a person who provides daily care to the participant and has a significant personal relationship with the participant; the study caregiver(s) must be able to recognize and observe the participant's seizures - Participants with an established diagnosis of focal or generalized epilepsy or combined focal and generalized epilepsy with a documented history of stereotypical episodes of prolonged seizures that includes at least 1 of the following: a) Generalized seizure episodes starting with a flurry of absence seizures or myoclonic seizures with a minimum total duration of 5 minutes b) Episodes of a focal seizure with a minimum duration of 3 minutes c) Episodes of a focal seizure or a flurry of myoclonic seizure for at least 90 seconds followed by a generalized/bilateral tonic-clonic seizure with a minimum total duration of 3 minutes - Prior to the Screening Visit, participant has experienced >=4 stereotypical episodes of prolonged seizures in the past 6 months, and the last 2 stereotypical episodes of prolonged seizures must have occurred within the 3 months prior to the Screening Visit - Participant has had a documented brain computerized tomography or magnetic resonance imaging review, performed after diagnosis of epilepsy and within the 5 years prior to the Screening Visit, that confirms the absence of a progressive neurological disorder - Participant is receiving a regimen of antiseizure medications (ASMs) that has been stable (ie, no addition or removal of ASM[s]; dose adjustments are permitted to ASM[s]; dose adjustments are not permitted for benzodiazepines) for 30 days prior to the Screening Visit - Male and female participants: a) A male participant must agree to use contraception during the Outpatient Treatment Period and for at least 7 days after IMP administration and refrain from donating sperm during this period b) A female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least 1 of the following conditions applies: i) Not a woman of childbearing potential (WOCBP) OR ii) A WOCBP who agrees to follow the contraceptive during the Outpatient Treatment Period and for at least 30 days after IMP administration - Participant is capable of giving signed informed consent (or giving assent, where required) which includes compliance with the requirements and restrictions listed in the informed consent form (ICF), the protocol, and the individualized participant management plan (iPMP). The ICF, or a specific assent form, where required, will be signed and dated by minors - The participant's study caregiver(s) must be capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the ICF, the protocol, and iPMP.
Exclusion criteria
Exclusion criteria: - Participant has a current history of alcohol or drug use disorder, as defined in the Diagnostic and Statistical Manual of Mental Disorders 5, within the previous 1 year - Participant has a known hypersensitivity to any components of the IMP or comparable drugs (and/or an investigational device) as stated in this protocol or to albuterol (or similar bronchospasm rescue medication if needed to meet country-specific requirements) - Participant has a diagnosis of atrial fibrillation or mitral stenosis - Participant has a history of convulsive status epilepticus in the 8 weeks prior to the Screening Visit - Participant has a history or presence of known nonepileptic seizures which cannot be distinguished from qualifying epileptic seizures - Participant has a clinically significant known airway hypersensitivity (eg, bronchospasm to known allergens, such as pollen, animals, or food) and/or acute respiratory signs/symptoms (eg, shortness of breath, wheezing on lung auscultation) - Participant has a clinically significant chronic pulmonary disorder (eg, asthma, chronic obstructive pulmonary disease, restrictive lung diseases [including idiopathic pulmonary fibrosis]) and/or recent history or presence of hemoptysis or pneumothorax - Participant has ever been diagnosed with asthma (irrespective of current treatment) - Participant has had a positive antigen test for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and experienced moderate to severe signs/symptoms of respiratory distress necessitating hospitalization or outpatient treatment such as ambulatory oxygen, extensive treatment with inhaler medications, and/or oral medications for a duration of 4 weeks or more, unless full resolution occurred at least 6 months prior to Screening - Participant has experienced an upper respiratory tract infection within 4 weeks or bronchitis/pneumonia within 3 months before the Screening Visit - Participant has a history or presence of acute narrow-angle glaucoma - Participant has a condition for which oral alprazolam is contraindicated (eg, myasthenia gravis, severe respiratory insufficiency, and sleep apnea syndrome) - Participant has a history or presence of long QT syndrome, a family history of sudden death due to long QT syndrome, or unexplained syncope - Chronic use of benzodiazepines for more than 3 days within a period of 7 days will be allowed for approximately 30 % of study participants - Participant is taking any drug that is a strong CYP3A4 inhibitor, including azole antifungal agents (ketoconazole and itraconazole) and nefazodone - Participant is taking any opioids (eg, fentanyl, oxycodone, morphine) or sedative hypnotics on a chronic basis - Participant is taking nonselective beta blockers (eg, propranolol, nadolol, and timolol) on a chronic basis - Participant is taking pharmacotherapy for an active major psychiatric disorder where major changes in regimen are needed or anticipated during the study - Participant has been treated with vagal nerve stimulation (VNS) for less than 6 months or VNS settings have changed within 30 days before the Screening Visit - Participant has a clinically significant laboratory abnormality that may increase the risk associated with study participation or may interfere with the interpretation of study results, according to the judgment of the Investigator - Participant has an forced expiratory volume in 1 second (FEV1) <80 % of predicted FEV1 as measured via spirometry at the Screening Visit - P
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Treatment success for the treated seizure within 90 seconds after investigational medicinal product (IMP) administration - Treatment success for the treated seizure with no recurrence after 2 hours | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Treatment success for treated seizure with no recurrence after 4 hours 2. Treatment success for treated seizure with no recurrence after 6 hours 3. Time from IMP administration to cessation of the treated seizure 4. Frequency of respiratory treatment emergent adverse events (TEAEs) 5. Number of subsequent seizure(s) up to 2 hours after IMP administration 6. Time to first subsequent seizure up to 2 hours after IMP administration | — |
Countries
AUSTRALIA, BULGARIA, CHINA, CZECH REPUBLIC, FRANCE, GERMANY, HUNGARY, ITALY, Japan, POLAND, SPAIN, UKRAINE, UNITED KINGDOM, UNITED STATES
Contacts
Public ContactGlobal Clinical Science & Operation
UCB Japan Co., Ltd.
Outcome results
None listed