Primary Intranasal Alternative: Nayzilam
Nayzilam (midazolam) nasal spray is another FDA-approved benzodiazepine rescue medication used for the acute treatment of intermittent, stereotypic episodes of frequent seizures, also known as seizure clusters. Like Valtoco (diazepam), Nayzilam works by enhancing the effects of gamma-aminobutyric acid (GABA), an inhibitory neurotransmitter in the brain that helps calm excessive nerve activity. Nayzilam is approved for use in patients aged 12 and older.
Key Differences from Valtoco
While both are convenient nasal sprays, Nayzilam and Valtoco have several differences. Nayzilam is administered via a single spray into one nostril. If the seizure activity persists after a certain period, a second dose may be administered in the opposite nostril. Valtoco's dosage is based on factors determined by a healthcare professional and can be administered with a second dose potentially administered after a period of time. Another major distinction is their FDA age approval; Nayzilam is approved for patients 12 and older, while Valtoco can be used in patients as young as 2 years old, making Valtoco an option for a broader pediatric age range. In clinical trials, Nayzilam demonstrated an effective reduction of seizure clusters, with common side effects being nasal discomfort and somnolence, similar to those reported with Valtoco.
Established Alternatives: Non-Intranasal Rescue Medications
For decades before the advent of nasal sprays, rectal and oral medications were the standard rescue options for treating seizure clusters. These options remain relevant today, especially for patients with specific needs.
Rectal Diazepam (Diastat)
Rectal diazepam gel, commercially known as Diastat, was the only FDA-approved rescue therapy for acute repetitive seizures for over two decades. It is approved for use in patients aged 2 and older. Diastat is highly effective but faces social acceptability challenges, particularly in public settings like schools, due to its method of administration. However, some caregivers may prefer it for very young children or in private settings. A key advantage is its long history of use, providing extensive data on its efficacy and safety profile.
Oral Benzodiazepine Formulations
Various off-label benzodiazepine formulations are sometimes used as rescue medications, though they do not offer the rapid absorption of intranasal or rectal delivery.
- Clonazepam Oral Dissolving Tablets (ODT): This inexpensive wafer formulation dissolves rapidly in saliva, making it a viable option for some patients, particularly for preventing seizures in predictable low-frequency scenarios.
- Lorazepam Intensol Solution: This concentrated oral solution can be administered sublingually (under the tongue) for rapid absorption, though it requires refrigeration, which can be an inconvenience.
Alternative Therapeutic Approach: Vagus Nerve Stimulation
For individuals with epilepsy that is resistant to multiple medications, Vagus Nerve Stimulation (VNS) offers a non-pharmacological alternative. VNS involves implanting a small device, similar to a pacemaker, under the skin of the chest. A thin wire is threaded to the left vagus nerve in the neck, and the device sends regular electrical signals to the brain to help normalize electrical activity and reduce seizure frequency. VNS is not a rescue treatment for an active seizure cluster, but a long-term therapy that can reduce the overall occurrence and severity of seizures. It is often used in conjunction with anti-seizure medications and may help improve seizure control over time.
Benefits of VNS
- Can reduce seizure frequency and severity over the long term.
- May lead to improvements in mood and alertness.
- An external magnet can be used by the patient or caregiver to deliver an extra burst of stimulation during a seizure, potentially shortening its duration.
Comparison of Seizure Cluster Rescue Therapies
Feature | Valtoco (Diazepam Nasal Spray) | Nayzilam (Midazolam Nasal Spray) | Diastat (Diazepam Rectal Gel) | Oral Benzodiazepines (e.g., Clonazepam ODT) |
---|---|---|---|---|
Active Ingredient | Diazepam | Midazolam | Diazepam | Clonazepam, Lorazepam, etc. |
Route of Administration | Nasal Spray | Nasal Spray | Rectal Gel | Oral/Sublingual |
FDA Age Approval | 2 years and older | 12 years and older | 2 years and older | Varies; off-label for rescue use |
Onset of Action | Typically within 4 minutes | Within 10 minutes | Rapid absorption, less variable than rectal gel | Highly variable, depends on formulation and absorption |
Social Acceptability | High, discreet administration | High, discreet administration | Poor, less socially accepted | High, discreet administration |
Common Side Effects | Drowsiness, nasal discomfort, headache | Drowsiness, nasal discomfort, throat irritation, headache | Somnolence, sedation | Drowsiness, confusion, dizziness |
Important Considerations for Choosing an Alternative
When evaluating alternatives to Valtoco, several factors should be considered in consultation with a healthcare provider. The choice depends on a patient's age, seizure type, frequency, and personal preferences regarding the method of administration. For instance, while a nasal spray may be more socially acceptable than rectal gel, a patient's nasal issues or age limitations might make another option more suitable. Similarly, while a non-invasive therapy like VNS offers a long-term solution, it's not a substitute for having a readily available rescue medication for acute episodes. Discussing the pros and cons of each option, including potential side effects and interactions with other medications, is critical for creating a safe and effective seizure action plan.
Conclusion
While Valtoco nasal spray provides a convenient and effective option for managing seizure clusters, several alternatives exist to meet different patient needs. Nayzilam offers a similar intranasal delivery method for older children and adults, while Diastat provides a reliable rectal option, particularly for younger children. For those seeking long-term control rather than just rescue treatment, Vagus Nerve Stimulation may be considered. When evaluating what is the alternative to Valtoco spray, consulting a neurologist is the most crucial step. A personalized discussion can help determine the most appropriate rescue and management strategy to effectively control seizures and improve the quality of life for individuals with epilepsy.
Visit the Epilepsy Foundation for more information on seizure rescue therapies.