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Trimethadione


Trimethadione
Systematic (IUPAC) name
3,5,5-trimethyl-1,3-oxazolidine-2,4-dione
Identifiers
CAS number	127-48-0
ATC code	N03AC02
PubChem	5576
DrugBank	APRD00315
Chemical data
Formula	C₆H₉NO₃
Mol. mass	143.141 g/mol
Pharmacokinetic data
Bioavailability	?
Metabolism	?
Half life	?
Excretion	?
Therapeutic considerations
Pregnancy cat.	X
Legal status	℞ Prescription only
Routes	?

Trimethadione is an oxazolidinedione anticonvulsant. It is used to treat epileptic conditions that are resistant to other treatments; recent studies by Doctor Jianxin Bao, Ph.D., at Washington University in Saint Louis's Central Institute For The Deaf's Center For Presbyacusis and Aging suggest that trimethadione, along with other oxazolidinedione anticonvulsant medications may be useful in treating sensorineural hearing loss cases like those of Iraq war veterans- if the drug's side effects, like dizziness, can be lessened by modifying the drug so it does not cross into the brain itself.

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Fetal trimethadione syndrome

If administered during pregnancy, fetal trimethadione syndrome may result causing Facial Dysmorphism(short upturned nose,slanted eyebrows), cardiac defects,Intra Uterine Growth Retardation,mental retardation. The fetal loss rate while using trimethadione has been reported to be as high as 87%.^[1]

References

^ Teratology and Drug Use During Pregnancy Retrieved January 2007

v • d • e Anticonvulsants (N03)
Barbiturates	Barbexaclone, Metharbital, Methylphenobarbital, Pentobarbital, Phenobarbital, Primidone
Hydantoins	Ethotoin, Fosphenytoin, Mephenytoin, Phenytoin
Oxazolidinediones	Ethadione, Paramethadione, Trimethadione
Succinimides	Ethosuximide, Mesuximide, Phensuximide
Benzodiazepines	Clobazam, Clonazepam, Clorazepate, Diazepam, Lorazepam, Midazolam, Nitrazepam, Temazepam
Carboxamides	Carbamazepine, Oxcarbazepine, Rufinamide
Fatty acid derivatives	Valpromide, Valnoctamide
Carboxylic acids	Valproic acid (Sodium valproate & Valproate semisodium), Tiagabine
Others	GABA analogs: Gabapentin, Pregabalin, Progabide, Vigabatrin -- Monosaccharides: Topiramate -- Aromatic allylic alcohols: Stiripentol -- Ureas: Phenacemide, Pheneturide -- Phenyltriazines: Lamotrigine Carbamates: Emylcamate, Felbamate, Meprobamate -- Pyrrolidines: Brivaracetam, Levetiracetam, Nefiracetam, Seletracetam Sulfa drugs: Acetazolamide, Ethoxzolamide, Sultiame, Zonisamide -- Propionates: Beclamide -- Aldehydes: Paraldehyde -- Bromides: Potassium bromide, Sodium bromide