COMPOSITIONS AND METHODS COMPRISING CELECOXIB OR RELATED COMPOUNDS AND DEXTROMETHORPHAN
Neurological disorders may be treated by administering a therapeutically effective amount of dextromethorphan and a therapeutically effective amount of a compound that inhibits the metabolism of dextromethorphan, to a person in need thereof. The two compounds may be administered separately, or in a single dosage form or composition as described herein.
1 . A dosage form containing dextromethorphan and a CYP2D6 inhibitor.
2 . The dosage form of claim 1 , wherein the CYP2D6 inhibitor is celecoxib.
3 . The dosage form of claim 1 , wherein the CYP2D6 inhibitor is levomilnacipran.
4 . The dosage form of claim 1 , wherein the CYP2D6 inhibitor is vilazodone.
5 . The dosage form of claim 1 , wherein the CYP2D6 inhibitor is vortioxetine.
6 . A method of treating a neurological disorder, comprising administering a dosage form according to claim 1 to a human being in need thereof.
7 . The method of claim 6 , wherein the neurological disorder comprises pseudobulbar affect, depression, a disorder related to memory or cognition, schizophrenia, Parkinson's disease, amyotrophic lateral sclerosis (ALS), Rhett's syndrome, or seizures.
8 . The method of claim 6 , wherein the neurological disorder comprises pseudobulbar affect.
9 . The method of claim 6 , wherein the neurological disorder comprises depression.
10 . The method of claim 6 , wherein the neurological disorder comprises a disorder related to memory or cognition.
11 . The method of claim 6 , wherein the neurological disorder comprises schizophrenia.
12 . The method of claim 6 , wherein the neurological disorder comprises Parkinson's disease.
13 . The method of claim 6 , wherein the neurological disorder comprises ALS.
14 . The method of claim 6 , wherein the neurological disorder comprises Rhett's syndrome.
15 . The method of claim 6 , wherein the neurological disorder comprises seizures.
16 . The method of claim 6 , wherein about 30 mg to about 350 mg of dextromethorphan is administered to the human being daily.
17 . The method of claim 6 , wherein the CYP2D6 inhibitor is celecoxib.
18 . The method of claim 6 , wherein the CYP2D6 inhibitor is levomilnacipran.
19 . The method of claim 6 , wherein the CYP2D6 inhibitor is vilazodone.
20 . The method of claim 6 , wherein the CYP2D6 inhibitor is vortioxetine.