Olopatadine formulations for topical nasal administration
DCFirst Claim
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1. A topically administrable, aqueous, nasal spray solution composition consisting ofa) 0.665% (w/v) olopatadine hydrochloride;
- b) a phosphate salt in an amount equivalent to 0.4-0.6% (w/v) dibasic sodium phosphate, wherein the phosphate salt selected from the group consisting of monobasic sodium phosphate;
dibasic sodium phosphate;
tribasic sodium phosphate;
monobasic potassium phosphate;
dibasic potassium phosphate; and
tribasic potassium phosphate;
c) 0.35-0.45% (w/v) NaCl;
d) one or more pH-adjusting agents in an amount sufficient to cause the composition to have a pH of 3.6-3.8, wherein the pH-adjusting agents are selected from the group consisting of HCl and NaOH;
e) 0.005-0.015% (w/v) benzalkonium chloride;
f) 0.005-0.015% (w/v) edetate disodium; and
g) water;
wherein the composition has an osmolality of 260-330 mOsm/kg.
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Abstract
Topical formulations of olopatadine for treatment of allergic or inflammatory disorders of the nose are disclosed. The aqueous formulations contain approximately 0.6% (w/v) of olopatadine.
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2 Claims
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1. A topically administrable, aqueous, nasal spray solution composition consisting of
a) 0.665% (w/v) olopatadine hydrochloride; -
b) a phosphate salt in an amount equivalent to 0.4-0.6% (w/v) dibasic sodium phosphate, wherein the phosphate salt selected from the group consisting of monobasic sodium phosphate;
dibasic sodium phosphate;
tribasic sodium phosphate;
monobasic potassium phosphate;
dibasic potassium phosphate; and
tribasic potassium phosphate;c) 0.35-0.45% (w/v) NaCl; d) one or more pH-adjusting agents in an amount sufficient to cause the composition to have a pH of 3.6-3.8, wherein the pH-adjusting agents are selected from the group consisting of HCl and NaOH; e) 0.005-0.015% (w/v) benzalkonium chloride; f) 0.005-0.015% (w/v) edetate disodium; and g) water; wherein the composition has an osmolality of 260-330 mOsm/kg.
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2. A topically administrable, aqueous, nasal spray solution composition consisting of
a) 0.665% (w/v) olopatadine hydrochloride; -
b) 0.4-0.6% (w/v) dibasic sodium phosphate; c) 0.35-0.45% (w/v) NaCl; d) one or more pH-adjusting agents in an amount sufficient to cause the composition to have a pH of 3.6-3.8, wherein the pH-adjusting agents are selected from the group consisting of HCl and NaOH; e) 0.01% (w/v) benzalkonium chloride; f) 0.01% (w/v) edetate disodium; and g) water; wherein the composition has an osmolality of 260-330 mOsm/kg.
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Specification