A delivery device for and method of delivering a powdered substance, in particular a triptan, such as sumatriptan, to the posterior region of a nasal cavity of a subject, in particular for the treatment of headaches, for example, cluster headaches and migraine, and neuropathic pain, the delivery device comprising: a nosepiece for insertion into a nasal cavity of a subject through which the powdered substance is delivered to the posterior region of the nasal cavity of the subject, in particular the upper posterior two thirds of the nasal cavity; and a substance supply unit which is operable to deliver the powdered substance through the nosepiece.. . ... Optinose As
A delivery device for and method of providing for delivery of substance to the central nervous system (cns) of a subject, the delivery device comprising: a nosepiece unit for insertion into a nasal airway of a subject and comprising an outlet unit which includes a nozzle for delivering substance into the nasal airway of the subject; and a substance supply unit which is operable to deliver a dose of substance to the nozzle; wherein the delivery device is configured such that at least 30% of the dose as initially deposited in the nasal airway is deposited in an upper posterior region of the nasal airway, thereby providing a cns concentration of the substance, and hence cns effect, which is significantly greater than that which would be predicted from a counterpart blood plasma concentration of the substance.. . ... Optinose As
A nasal delivery device comprising: a housing (15); a nosepiece (17) for fitting to a nasal cavity of a subject; a mouthpiece (19) through which the subject in use exhales; and a substance supply unit (21) including an actuation member (23) which extends from one end of the housing and is manually actuated to deliver substance to the nasal cavity of the subject; wherein the housing includes a grip section (27) which is disposed at the one end of the housing from which the actuation member extends, said grip section comprising a first, distal part (28) including at least one projecting grip element (29) by which the subject grips the housing in actuating the actuation member, and a second, proximal part (31) providing a recess (33) in which fingers of the subject are located, said recess promoting proper orientation of the delivery device in a hand of the subject.. . ... Optinose As
A delivery device for and method of delivering substance, the delivery device comprising: an outlet member through which substance is in use delivered in an entraining gas flow; and a substance supply unit for supplying substance to be entrained by an entraining gas flow as one or both of a vapor or a fine aerosol mist, wherein the substance supply unit comprises a flow channel which is fluidly connected to the outlet member, and a substance supporting element for supporting substance, at least a surface of which is in use disposed in the flow channel.. . ... Optinose As
Intranasal administration of proteins, such as insulin and insulin analogues, in particular immunogenic proteins to the upper posterior region of a nasal cavity of a subject, and in particular the olfactory bulb region.. . ... Optinose As
A method of delivering a substance, such as one or more of a triptan, a nasal steroid or carbon dioxide gas, to the nasal cavity of a subject, in particular for the treatment of headaches, for example, migraine, or rhinosinusitis, for example, chronic rhinosinusitis, optionally with polyps, the method comprising the steps of fitting a nosepiece to one nostril of the subject, delivering the substance through the nosepiece to the posterior region of the nasal cavity of the subject.. . ... Optinose As
A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising: a substance supply unit for supplying a dose of substance to be delivered to the nasal cavity of the subject, the substance supply unit including an inlet and an outlet; a nosepiece unit including a nosepiece for fitting to a nasal cavity of the subject and being in fluid communication with the outlet of the substance supply unit; and a mouthpiece unit including a mouthpiece in fluid communication with the inlet of the substance supply unit and through which the subject in use exhales such as to entrain substance from the container chamber and deliver the same through the nosepiece, and at least one temperature modifier for reducing a temperature of the exhaled air flow such as to reduce the absolute humidity thereof.. . ... Optinose As
A delivery device for and a method of delivering gases to the nasal airway, in particular therapeutic gases and gases in combination with active substances, either as powders or liquids, for enhanced uptake of the active substances.. . ... Optinose As
A method of delivering a substance, such as one or more of a triptan, a nasal steroid or carbon dioxide gas, to the nasal cavity of a subject, in particular for the treatment of headaches, for example, migraine, or rhinosinusitis, for example, chronic rhinosinusitis, optionally with polyps, the method comprising the steps of fitting a nosepiece to one nostril of the subject, delivering the substance through the nosepiece to the posterior region of the nasal cavity of the subject.. . ... Optinose As
A nasal delivery device for delivering substance to a nasal cavity of a subject comprises: a housing (15); a nosepiece (17) for fitting to a nasal cavity of the subject; a mouthpiece (19) through which the subject in use exhales; and a flexible coupling (20) which couples the mouthpiece to the housing, wherein the flexible coupling provides for asymmetric translation of the mouthpiece relative to the nosepiece.. . ... Optinose As
A nasal delivery device for and method of delivering substance to a nasal airway of a subject, the delivery device comprising: a nosepiece (117) for fitting to a nasal cavity of a subject; a mouthpiece (119) into which the subject in use exhales; a delivery unit, which comprises an actuation part which is manually displaceable to actuate the delivery unit to deliver substance from the nosepiece; and a valve assembly (127) which is fluidly connected to the nosepiece and the mouthpiece, wherein the valve assembly comprises a body element (128) and a valve element (131) which is movably disposed to the body element between closed and open configurations by manual displacement of the actuation part of the delivery unit to provide for an air flow through the nosepiece simultaneously with delivery of substance.. . ... Optinose As
A delivery device for delivering a metered amount of substance (l) in response to exhalation by a user, the delivery device comprising: a mouthpiece (5) through which the user in use exhales; an outlet (45) from which substance is delivered; and a dispensing unit (35) which is operable to dispense a metered amount of substance through the outlet in response to exhalation by the user through the mouthpiece, wherein the dispensing unit comprises a body member (37) which includes a cavity (39) for containing a metered amount of substance, an outlet nozzle (43) which is fluidly connected to the cavity from which substance is in use delivered, and a dispensing (41) member which is movably disposed in the cavity and configured to be driven through the cavity by a driving pressure created by exhalation of the user, such as to cause substance to be delivered from the outlet nozzle.. . ... Optinose As