摘要:
Compositions and methods are provided for enhanced transdermal electrotransport of 17-hydroxy sterol compounds, including testosterone. The parent sterols are modified at the 17-hydroxy position by covalent attachment of a charged chemical modifier. The chemical modifier provides the parent sterol with enhanced transport properties and is hydrolyzed under physiological conditions to release the active parent compound.The composition comprises a 17-hydroxy sterol/chemical modifier complex, more generally represented by the formula (sterol--O--)C(O)--R--N(R.sup.1)(R.sup.2)(R.sup.3).sup.+. The portion of the complex derived from the chemical modifier is indicated by "C(O)--R--N(R.sup.1)(R.sup.2)(R.sup.3).sup.+ ", where N(R.sup.1)(R.sup.2)(R.sup.3).sup.+ represents a quaternary ammonium group and R.sup.1, R.sup.2, and R.sup.3 are independently selected from the group consisting of lower alkyl, alkyl, aryl, arylalkyl, cycloalkyl, heteroalkyl, and heteroarylalkyl; or R.sup.1 and R.sup.2 together with the nitrogen to which they are attached form a substituted heterocycle and R.sup.3 is lower alkyl, and R is a linking moiety, linking the (sterol--O)--C(O)-- to the nitrogen atom.
摘要:
The present invention pertains to aerosols which comprise a first compound which is physiologically active and a second compound which is different from the first compound. Such aerosols may be produced “on demand” and can be used to control drug release, to improve vaporizability, or to reduce, modify or eliminate undesirable taste associated with a drug aerosol. The present invention also pertains to methods for producing such aerosols.
摘要:
A device, method, and system for producing a condensation aerosol are disclosed. The device includes a chamber having an upstream opening and a downstream opening which allow gas to flow through the chamber, and a heat-conductive substrate located at a position between the upstream and downstream openings. Formed on the substrate is a drug composition film containing a therapeutically effective dose of a drug when the drug is administered in aerosol form. A heat source in the device is operable to supply heat to the substrate to produce a substrate temperature greater than 300° C., and to substantially volatilize the drug composition film from the substrate in a period of 2 seconds or less. The device produces an aerosol containing less than about 10% by weight drug composition degradation products and at least 50% of the drug composition of said film.
摘要:
Aerosol drug delivery devices incorporating percussively activated heat packages are disclosed. The heat packages include a percussive igniter and a fuel capable of undergoing an exothermic oxidation-reduction reaction when ignited by the percussive igniter. The drug delivery devices disclosed can be activated by an actuation mechanism to vaporize a thin solid film comprising a drug disposed on the exterior of a hat package. Metal coordination complexes of volatile drugs, and in particular nicotine, from which the drug can be selectively vaporized when heated are also disclosed. The use of aerosol drug delivery devices comprising thin films of nicotine metal salt complexes for the treatment of nicotine craving and for effecting smoking cessation are also disclosed.
摘要:
Aerosol drug delivery devices incorporating percussively activated heat packages are disclosed. The heat packages include a percussive igniter and a fuel capable of undergoing an exothermic oxidation-reduction reaction when ignited by the percussive igniter. The drug delivery devices disclosed can be activated by an actuation mechanism to vaporize a thin solid film comprising a drug disposed on the exterior of a hat package. Metal coordination complexes of volatile drugs, and in particular nicotine, from which the drug can be selectively vaporized when heated are also disclosed. The use of aerosol drug delivery devices comprising thin films of nicotine metal salt complexes for the treatment of nicotine craving and for effecting smoking cessation are also disclosed.
摘要:
The present invention provides novel condensation aerosols for the treatment of disease and/or intermittent or acute conditions. These condensation aerosols have little or no pyrolysis degradation products and are characterized by having an MMAD of between 1-3 microns. These aerosols are made by rapidly heating a substrate coated with a thin film of drug having a thickness of between 0.05 and 20 μm, while passing a gas over the film, to form particles of a desirable particle size for inhalation. Kits comprising a drug and a device for producing a condensation aerosol are also provided, wherein the device, has an element for heating the drug which is coated as a film on the substrate and contains a therapeutically effective dose of a drug when the drug is administered in aerosol form, and an element allowing the vapor to cool to form an aerosol. Methods for use are also disclosed.
摘要:
The present invention provides novel condensation aerosols for the treatment of disease and/or intermittent or acute conditions. These condensation aerosols have little or no pyrolysis degradation products and are characterized by having an MMAD of between 1-3 microns. These aerosols are made by rapidly heating a substrate coated with a thin film of drug having a thickness of between 0.05 and 20 μm, while passing a gas over the film, to form particles of a desirable particle size for inhalation. Kits comprising a drug and a device for producing a condensation aerosol are also provided. The device contained in the kit typically, has an element for heating the drug which is coated as a film on the substrate and contains a therapeutically effective dose of a drug when the drug is administered in aerosol form, and an element allowing the vapor to cool to form an aerosol. Also disclosed, are methods for using these aerosols and kits.
摘要:
Described herein are respiratory drug condensation aerosols and methods of making and using them. Kits for delivering condensation aerosols are also described. The respiratory drug aerosols typically comprise respiratory drug condensation aerosol particles. In some variations the respiratory drug compound is selected from the group consisting of β-adrenergics, methylxanthines, anticholinergics, corticosteroids, mediator-release inhibitors, anti-leukotriene drugs, asthma inhibitors, asthma antagonists, anti-endothelin drugs, prostacyclin drugs, ion channel or pump inhibitors, enhancers, or modulators and pharmaceutically acceptable analogs, derivatives, and mixtures thereof. Methods of treating a respiratory ailment using the described aerosols are also described. In general, the methods typically comprise the step of administering a therapeutically effective amount of respiratory drug condensation aerosol to a person with a respiratory ailment. Methods of forming a respiratory drug condensation aerosol are also described. The methods comprise the steps of vaporizing and condensing a respiratory drug composition.
摘要:
Described herein are respiratory drug condensation aerosols and methods of making and using them. Kits for delivering condensation aerosols are also described. The respiratory drug aerosols typically comprise respiratory drug condensation aerosol particles. In some variations the respiratory drug compound is selected from the group consisting of β-adrenergics, methylxanthines, anticholinergics, corticosteroids, mediator-release inhibitors, anti-leukotriene drugs, asthma inhibitors, asthma antagonists, anti-endothelin drugs, prostacyclin drugs, ion channel or pump inhibitors, enhancers, or modulators and pharmaceutically acceptable analogs, derivatives, and mixtures thereof. Methods of treating a respiratory ailment using the described aerosols are also described. In general, the methods typically comprise the step of administering a therapeutically effective amount of respiratory drug condensation aerosol to a person with a respiratory ailment. Methods of forming a respiratory drug condensation aerosol are also described. The methods comprise the steps of vaporizing and condensing a respiratory drug composition.