Adsorbents and uses thereof
First Claim
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1. A pharmaceutical product comprising:
- a) a medical device comprising a medicament and a component that gradually releases a gaseous substance, wherein said medicament is capable of interacting with the gaseous substance to form an adduct; and
b) an effective amount of an adsorbent or absorbent material capable of adsorbing or absorbing said gaseous substance, and reducing or preventing the formation of said adduct.
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Abstract
Use of an adsorbent in preventing the formation of an adduct in a pharmaceutical product due to a chemical reaction between a medicament and a gaseous substances in the product.
49 Citations
54 Claims
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1. A pharmaceutical product comprising:
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a) a medical device comprising a medicament and a component that gradually releases a gaseous substance, wherein said medicament is capable of interacting with the gaseous substance to form an adduct; and
b) an effective amount of an adsorbent or absorbent material capable of adsorbing or absorbing said gaseous substance, and reducing or preventing the formation of said adduct. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method for preventing the formation of an adduct in a pharmaceutical product due to a chemical reaction between the medicament and a gaseous substance, wherein the pharmaceutical product comprises:
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a) a medical device comprising a medicament capable of forming an adduct and a component that gradually releases a gaseous substance; and
b) an effective amount of an adsorbent or absorbent material capable of adsorbing or absorbing said gaseous substance, and reducing or preventing the formation of said adduct, wherein the method comprises the steps of;
(i) positioning an effective amount of the adsorbent or absorbent material and the medical device within a sealable package;
(ii) sealing the package so that the medical device and adsorbent are in an enclosed volume within the package; and
(iii) adsorbing or absorbing any leakage of the gaseous substance from the component so as to reduce or prevent the formation of the adduct. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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- 39. A compound of the formula:
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43. A pharmaceutical product comprising:
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(a) a dry powder inhaler comprising a medicament and a component that releases a gaseous substance, wherein said medicament is capable of interacting with said gaseous substance to form an adduct and said medicament is housed within said dry powder inhaler; and
(b) an effective amount of an adsorbent or absorbent material capable of adsorbing or absorbing said gaseous substance, and reducing or preventing the formation of said adduct; and
(c) a sealed package having an enclosed volume within which said dry powder inhaler and said adsorbent or absorbent material are situated;
wherein said sealed package is substantially impermeable to said gaseous substance; and
wherein said gaseous substance is other than an HFA (hydrofluoroalkane) propellant. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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Specification