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The Food and Drug Administration has approved Sympazan (clobazam) oral film for adjunctive treatment of Lennox-Gastaut syndrome (LGS) in patients aged 2 years and older, according to a release from its developer. Final approval came after the orphan drug designation period for the previously marketed formulation, Onfi, came to an end in October.

LGS is a severe form of epilepsy; it can present with multiple types of seizures, as well as intellectual disabilities. Patients with LGS can have difficulty swallowing tablets or large volumes of oral suspension – which was previously the only way clobazam was delivered – because of physical limitations or behavioral or compliance issues. According to the press release from Aquestive Therapeutics, the Sympazan oral film might be able to get around those difficulties and reduce care burdens, especially with patients who are resistant to or even combative about treatment.

The approval is based on multiple pharmacokinetic studies that altogether showed that the oral film is bioequivalent to clobazam tablets and has a similar safety profile.

In a phase 3 study of 238 patients with LGS, clobazam tablets were shown to reduce drop seizures (those that involved falls) by 41% at low doses and by 68% at high doses versus a reduction of 12% seen with placebo (P less than .05 for all doses vs. placebo).

There is a risk of profound sedation when clobazam is used alongside benzodiazepines; there is also a risk of sedation and somnolence if it is used concomitantly with alcohol or other CNS depressants. Other risks associated with clobazam include suicidal ideation and behavior, serious dermatologic reactions, and physical and psychological dependence. The most common adverse reactions included constipation, pyrexia, lethargy, and drooling.

Full prescribing information can be found on the FDA website.

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The Food and Drug Administration has approved Sympazan (clobazam) oral film for adjunctive treatment of Lennox-Gastaut syndrome (LGS) in patients aged 2 years and older, according to a release from its developer. Final approval came after the orphan drug designation period for the previously marketed formulation, Onfi, came to an end in October.

LGS is a severe form of epilepsy; it can present with multiple types of seizures, as well as intellectual disabilities. Patients with LGS can have difficulty swallowing tablets or large volumes of oral suspension – which was previously the only way clobazam was delivered – because of physical limitations or behavioral or compliance issues. According to the press release from Aquestive Therapeutics, the Sympazan oral film might be able to get around those difficulties and reduce care burdens, especially with patients who are resistant to or even combative about treatment.

The approval is based on multiple pharmacokinetic studies that altogether showed that the oral film is bioequivalent to clobazam tablets and has a similar safety profile.

In a phase 3 study of 238 patients with LGS, clobazam tablets were shown to reduce drop seizures (those that involved falls) by 41% at low doses and by 68% at high doses versus a reduction of 12% seen with placebo (P less than .05 for all doses vs. placebo).

There is a risk of profound sedation when clobazam is used alongside benzodiazepines; there is also a risk of sedation and somnolence if it is used concomitantly with alcohol or other CNS depressants. Other risks associated with clobazam include suicidal ideation and behavior, serious dermatologic reactions, and physical and psychological dependence. The most common adverse reactions included constipation, pyrexia, lethargy, and drooling.

Full prescribing information can be found on the FDA website.



The Food and Drug Administration has approved Sympazan (clobazam) oral film for adjunctive treatment of Lennox-Gastaut syndrome (LGS) in patients aged 2 years and older, according to a release from its developer. Final approval came after the orphan drug designation period for the previously marketed formulation, Onfi, came to an end in October.

LGS is a severe form of epilepsy; it can present with multiple types of seizures, as well as intellectual disabilities. Patients with LGS can have difficulty swallowing tablets or large volumes of oral suspension – which was previously the only way clobazam was delivered – because of physical limitations or behavioral or compliance issues. According to the press release from Aquestive Therapeutics, the Sympazan oral film might be able to get around those difficulties and reduce care burdens, especially with patients who are resistant to or even combative about treatment.

The approval is based on multiple pharmacokinetic studies that altogether showed that the oral film is bioequivalent to clobazam tablets and has a similar safety profile.

In a phase 3 study of 238 patients with LGS, clobazam tablets were shown to reduce drop seizures (those that involved falls) by 41% at low doses and by 68% at high doses versus a reduction of 12% seen with placebo (P less than .05 for all doses vs. placebo).

There is a risk of profound sedation when clobazam is used alongside benzodiazepines; there is also a risk of sedation and somnolence if it is used concomitantly with alcohol or other CNS depressants. Other risks associated with clobazam include suicidal ideation and behavior, serious dermatologic reactions, and physical and psychological dependence. The most common adverse reactions included constipation, pyrexia, lethargy, and drooling.

Full prescribing information can be found on the FDA website.

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