DICLOFENAC GEL
First Claim
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1. A topical formulation comprising:
- (i) 1-5% w/w diclofenac sodium;
(ii) 30-60% w/w DMSO;
(iii) 1-15% w/w propylene glycol;
(iv) 1-30% w/w ethanol;
(v) optionally glycerine;
(vi) water; and
(vii) at least one thickening agent selected from the group consisting of a cellulose polymer, a carbomer polymer, a carbomer derivative, a cellulose derivative, and mixtures thereof.
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Abstract
The present invention provides a gel formulation comprising diclofenac sodium which has superior transdermal flux properties, which may be used for the topical treatment of pain, such as in osteoarthritis.
1 Citation
30 Claims
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1. A topical formulation comprising:
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(i) 1-5% w/w diclofenac sodium; (ii) 30-60% w/w DMSO; (iii) 1-15% w/w propylene glycol; (iv) 1-30% w/w ethanol; (v) optionally glycerine; (vi) water; and (vii) at least one thickening agent selected from the group consisting of a cellulose polymer, a carbomer polymer, a carbomer derivative, a cellulose derivative, and mixtures thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A topical formulation comprising:
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(i) 1-5% w/w diclofenac sodium; (ii) 40-50% w/w DMSO; (iii) 23-29% w/w ethanol; (iv) 10-12% w/w propylene glycol; (v) hydroxypropyl cellulose; and (vi) water, wherein the topical formulation has a viscosity of 500-5000 centipoise. - View Dependent Claims (12, 13, 14)
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15. A method for treating pain in a subject suffering from pain, said method comprising the topical administration of a formulation comprising:
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(i) diclofenac sodium present at 1-5% w/w; (ii) DMSO present at 30-60% w/w; (iii) ethanol present at 1-30% w/w; (iv) propylene glycol present at 1-15% w/w; (v) optionally glycerine; (vi) a thickening agent, wherein said thickening agent is selected from the group consisting of cellulose polymers, carbomer polymers, a carbomer derivative, a cellulose derivative and mixtures thereof; and (vii) water. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for treating signs or symptoms associated with osteoarthritis, said method comprising:
administering a formulation comprising diclofenac sodium present at 2% w/w, wherein the administration of the formulation is twice daily, to thereby effectively treat the signs or symptoms associated with osteoarthritis. - View Dependent Claims (25, 26, 27, 28, 29, 30)
Specification