Pharmaceutical compositions for demodex related blepharitis and eyelid crusting

Abstract

Formulation of ectoparasiticidal and antibiotic “compositions into pharmaceutical compositions useful for the treatment of eyelid inflammation, in particular demodex related blepharitis and eye crusting.

1 . A method for the treatment of eyelid inflammation, in particular demodex related blepharitis and eyelid crusting, comprising
 topically administering every night for a month onto the affected area of an individual in need of such treatment and removed with normal cleansing water in the morning, a topical pharmaceutical composition which comprises an effective amount of ivermectin and an antibiotic, said topical pharmaceutical composition being formulated as an emulsion of a cream, the topical pharmaceutical cream comprising:
 water; 
 an humectant comprising sorbitol; 
 a mixture of emollient comprising cyclopentasiloxane, ethylhexyl stearate; an emulsifier comprising emulsifying wax NF; 
 a mixture of preservatives comprising methylchloroisothiazolinone, disodium EDTA; an antioxidant comprising tocopheryl acetate; and 
 a solvent comprising propylene glycol. 
   
     
     
         2 . The method defined by  claim 1 , wherein said ivermectin is present in the range of 1 to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         3 . The method defined by  claim 1 , wherein said antibiotic comprises of oxytetracycline in the range of 1% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         4 .- 12 . (canceled) 
     
     
         13 . The method defined by  claim 1 , wherein said antibiotic can also comprise tetracycline. 
     
     
         14 . The method defined by  claim 1 , wherein said antibiotic can also comprise a macrolide antibiotic. 
     
     
         15 . The method defined by  claim 1 , wherein said antibiotic can also comprise fluoroquinolones. 
     
     
         16 . The method defined by  claim 1 , wherein said antibiotic can also comprise aminoglycosides. 
     
     
         17 .- 22 . (canceled) 
     
     
         23 . A topically applicable stable pharmaceutical emulsion of cream, comprising: —
 ivermectin 
 an antibiotic; 
 water; 
 an humectant comprising sorbitol; 
 a mixture of emollient comprising cyclopentasiloxane, ethylhexyl stearate, an emulsifier comprising emulsifying wax NF; 
 a mixture of preservatives comprising methylchloroisothiazolinone, disodium EDTA; 
 an antioxidant comprising tocopheryl acetate; and 
 a solvent comprising propylene glycol. 
 
     
     
         24 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said ivermectin is present in the range of 1% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         25 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said antibiotic is present in the range of 1% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         26 .- 34 . (canceled) 
     
     
         35 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said antibiotic can also comprise tetracycline. 
     
     
         36 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said antibiotic can also comprise macrolide antibiotic. 
     
     
         37 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said antibiotic can also comprise fluoroquinolones. 
     
     
         38 . The topically applicable stable pharmaceutical emulsion of cream as defined by  claim 23 , wherein said antibiotic can also comprise aminoglycosides. 
     
     
         39 . A topically applicable stable pharmaceutical in the form of an ointment, comprising: —
 ivermectin; 
 an antibiotic; 
 a solvent comprising sorbitan monooleate (span 80); and 
 a mixture of ointment base comprising light mineral oil, petrolatum. 
 
     
     
         40 . The topically applicable stable pharmaceutical in the form of an ointment as defined by  claim 39  wherein said ivermectin is present in the range of 1% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         41 . The topically applicable stable pharmaceutical in the form of an ointment as defined by  claim 39  wherein said antibiotic is present in the range of 1% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         42 . The topically applicable stable pharmaceutical in the form of an ointment as defined by  claim 39  wherein said sorbitan monooleate is present in the range of 3% to 5% (by weight) of the topical pharmaceutical composition. 
     
     
         43 . The topically applicable stable pharmaceutical in the form of an ointment as defined by  claim 39  wherein said light mineral oil is present in the range of 10% to 15% (by weight) of the topical pharmaceutical composition. 
     
     
         44 . The topically applicable stable pharmaceutical in the form of an ointment as defined by  claim 39  wherein said petrolatum is present in the range of 70% to 80% (by weight) of the topical pharmaceutical composition. 
     
     
         45 .- 48 . (canceled)