Drug delivery devices and methods for administering substances to a body cavity by heterogenous aerosolization for treatment of binge-eating disorders and/or obesity
The present invention provides means and methods for delivering a predetermined volume of a substance, within at least one body cavity of a subject, comprising a predefined volume for containing the predetermined volume of the at least one substance; a delivery end for placement in proximity to the body cavity; the delivery end comprises at least one orifice of diameter D [mm]; a valve mechanically connectable to the container, characterized by at least two configurations: (i) an ACTIVE CONFIGURATION in which the valve enables delivery of predetermined volume V sub [ml] of the substance; and, (ii) an INACTIVE CONFIGURATION, in which the valve prevents delivery of the predetermined volume V sub [ml] of the substance from the container to the body cavity; and a fluid tight chamber configured to contain predetermined volume V gas [ml] of pressurized gas at a predetermined pressure, P gas [barg].
1 . A device for delivering a volume V sub [ml or mg] of at least one substance, within a body cavity of a subject for the treatment of a condition selected from (i) frequent and recurrent binge eating episodes, (ii) behavioral syndromes associated with physiological disturbances and physical factors (F50-F59 under fifth chapter of the ICD-10: Mental and behavioral disorders), (iii) obesity; (iv) OCD; (v) psychiatric conditions and mental disorders; (vi) migraines; (vii) pain; and, (viii) any combination thereof, comprising:
a. at least one vial enclosing the volume V sub [ml or mg] of said at least one substance; said at least one vial having at least one fluid inlet port having an inlet diameter D in [mm] and at least one fluid discharging outlet port having an outlet diameter D out [mm], configured for placement in proximity to said body cavity of the subject; and
b. an activation mechanism comprising a base, the activation mechanism adapted to, upon actuation, to release said at least one substance within said body cavity in the form of an aerosol;
wherein the fluid discharging outlet port is structured such that the aerosol forms a bi-modal spray pattern having a first pattern and a second pattern, the first pattern having a plume angle in a range of 5°±4° and the second pattern having a plume angle in a range of 35°±10°;
wherein said at least one substance is either (i) Topiramate; and/or (ii) a Topiramate-based formulation, and wherein said body cavity is a nasal cavity.
2 . The device according to claim 1 , wherein said Topiramate-based formulation comprises topiramate as an active pharmaceutical ingredient.
3 . The device according to claim 1 , wherein said Topiramate-based formulation comprises at least one excipient adapted to provide at least one selected from a group consisting of (a) better absorption via a mucosal tissue; (b) faster elimination from a systemic circulation and/or a central nervous system circulation; (c) better user experience; (d) better efficacy; (e) increase a stability of an active compound/s; (f) increase a solubility of the active compound/s; and (j) optimize a plume geometry and/or a particle side distribution to optimize delivery to a target tissue.
4 . The device according to claim 3 , wherein said at least one excipient is selected from a group consisting of:
(a) at least one permeation enhancer selected from a group consisting of Zwitterionic, palmityldimethyl, ammonia propane sulfonate (PPS) or a structural analogs, polysorbate 20, 40, 60, or 80, Hyaluronic acid or hyaluronan, poly(ethylene glycol), poly(lactic acid), poly(glycolic acid), poly Acrylic Acid and Poly-(N-isopropylacrylamide), biopolymers, chitosan, alginate, cyclodextrin, and modified cyclodextrin;
(b) at least one permeation enhancer selected from a group containing: a fatty acid, a medium chain glyceride, surfactant, steroidal detergent, an acyl carnitine, Lauroyl-DL-carnitine, an alkanoyl choline, an N-acetylated amino acid, esters, salts, bile salts, sodium salts, nitrogen-containing rings; anionic, cationic, zwitterionic, or nonionic permeation enhancers;
wherein:
an anionic permeation enhancer can include: sodium lauryl sulfate, sodium decyl sulfate, sodium octyl sulfate, N-lauryl sarcosinate, sodium carparate;
a cationic permeation enhancer can include: Cetyltrimethyl ammonium bromide, decyltrimethyl ammonium bromide, benzyldimethyl dodecyl ammonium chloride, myristyltimethyl ammonia chloride, deodecyl pridinium chloride;
a zwitterionic permeation enhancer can include: decyldimethyl ammonia propane sulfonate, palmityldimethyl ammonia propane sulfonate, fatty acid, butyric, caproic, caprylic, pelargonic, capric, lauric, myristic, palmitic, stearic, arachidic, oleic, linoleic, linolinic acid, their salts; conjugated or un conjugated bile acids; cholate, deoxycholate, tauro-cholate, glycocholate, taurodexycholate, ursodeoxycholate, tauroursodeoxycholate, and chenodeoxycholate;
(c) at least one permeation enhancer comprising at least one of: a metal chelator, a surfactant, polyethylene ethers or esters, polyethylene glycol-12 lauryl ether, salicylate polysorbate 80, nonylphenoxypolyoxyethylene, dioctyl sodium sulfosuccinate, saponin, palmitoyl carnitine, lauroyl-1-carnitine, dodecyl maltoside, acyl carnitines, alkanoyl cjolline, 3-nitrobenzoate, zoonula occulden toxin, fatty acid ester of lactic acid salts, glycyrrhizic acid salt, hydroxyl beta-cyclodextrin, N-acetylated ammo acids, N-[8-(2-hydroxybenzoyl)amino]caprylate, and chitosan;
(d) surfactant of water-in-oil, oil-in-water; emulsions, double emulsions, micro-emulsions; Nano-emulsions of surfactants, oils, co-surfactants, aqueous phase;
(e) magnesium stearate;
(f) binders selected from a group consisting of: Saccharides, Disaccharides, Polysaccharides, Sugar alcohols, gelatin, polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), cellulose starch, polyethylene glycol, methyl cellulose;
(g) Coatings selected from a group consisting of: cellulose ether, hydroxypropyl methylcellulose (HPMC), synthetic polymers, shellac, zein, polysaccharides, gelatin;
(h) Enterics selected from a group consisting of; fatty acids, waxes, shellac, plastics, and plant fibers;
(i) Disintegrants selected from a group consisting of: crosslinked polyvinylpyrrolidone (crospovidone), crosslinked sodium carboxymethyl cellulose (croscarmellose sodium), modified starch sodium starch glycolate;
(j) Flavors;
(k) Glidants selected from a group consisting of: silica gel, fumed silica, talc, and magnesium carbonate;
(l) Lubricants selected from a group consisting of: talc or silica, fats, vegetable stearin, magnesium stearate or stearic acid;
(m) Preservatives selected from a group consisting of: antioxidants, vitamin A, vitamin E, vitamin C, retinyl palmitate, and selenium, amino acids, Citric acid, sodium citrate, and parabens;
(n) Sorbents;
(o) Sweeteners;
(p) Vehicles selected from a group consisting of: Petrolatum, dimethyl sulfoxide, and mineral oil.
5 . The device according to claim 1 , wherein said fluid inlet port is configured by means of size and shape to interface with at least one puncturing member;
the at least one puncturing member being configured to, upon coupling to said fluid inlet port, to pierce the fluid inlet port, thereby providing said at least one substance in a fluid communication, by means of the activation mechanism, with at least one chamber configured to accept pressurized fluid at a volume V PF [ml] and a pressure P PF [barg];
wherein said activation mechanism, upon actuation within a period of time dT, the period of time dT being less than 500 milliseconds, enables said pressurized fluid to flow from said at least one chamber, via said fluid inlet port, such that the pressurized fluid entrains said at least one substance, erupts via said fluid discharging outlet port to within said body cavity in the form of the aerosol, such that a release time dT release of said volume V sub [ml or mg] of said at least one substance and said volume V PF [ml] of said pressurized fluid is less than 500 milliseconds.
6 . The device according to claim 5 , wherein at least one of the following is being held true:
a. the volume V PF is in a range of 1 to 50 ml;
b. the volume V sub is in a range of about 0.01 to about 7 ml or 0.1 mg to 7 g;
c. the pressure P PF is in a range of about 0 to about 10 barg;
further wherein at least one of the following is being held true:
a. the inlet diameter D in or the outlet diameter D out are in a range of 0.2 to 6 mm;
(c) a volume rate dV sub /dT or dV sub /dT release is greater than 0.0001 ml/ms;
(d) said volume rate dV sub /dT or dV sub /dT release is greater than 0.001 ml/ms;
(e) a volume rate dV PF /dT or dV PF /dT release is greater than 0.001 ml/ms; and
(f) said volume rate dV PF /dT or dV PF /dT release is greater than 0.01 ml/ms.
7 . The device according to claim 5 , wherein said at least one vial comprises at least one of a pierceable container, a blow-fill-seal, or a form-fill-seal.
8 . The device of claim 5 , wherein said device is adapted to deliver at least one unit dose.
9 . The device according to claim 1 , wherein said device is adapted to deliver at least two substances such that the device is configured to deliver the at least one substance and at least other substance.
10 . The device of claim 9 , wherein said at least one other substance is selected from a group consisting of proteins; stem-cells; cells, cell secrotomes, organs; macro-molecules; RNA; neurotransmitters; receptor antagonists; hormones; Ketamine; Glucagon; substrates to treat one of the following: anaphylaxis, Parkinson, seizures and opioid overdose; epinephrine; atropine; metoclopramide; Naloxone; Esketamine; edaravone; valbenazine; deutetrabenazine; ocrelizumab; safinamide; nusinersen; daclizumab; pimavanserin; aripiprazole lauroxil; cariprazine; brexpiprazole; eslicarbazepine acetate; flutemetamol F18 injection; vortioxetine; dimethyl fumarate; gadoterate meglumine Dotarem [gadoterate meglumine]; Antibody mediated brain targeting drug delivery including; aducanumab, gantenerumab, bapineuzumab, solanezumab, ofatumumab CD20, BIIB033, LCN2, HMGB1; insulin; oxytocin; orexin-A; leptin; benzodiazepine; perillyl alcohol; camptothecin; phytochemicals including: curcumin and chrysin; nucleotides; olanzapine; risperidone; Venlafaxine; GDF-5; zonisamide; ropinirole; plant-originated and synthetically-produced terpenes and cannabinoids: Tetrahydrocannabinol and Cannabidiol; valproric acid; rivastigmine; estradiol; MFSD2 or MFSD2A or sodium-dependent lysophosphatidylcholine symporter, liposomes, lyophilic or water-miscible solvents, surfactants, cells fractions, zonisamide, GLPI agonists; lisdexamfetamine dimesylate; Dasotraline, phentermine; bupropion/naltrexone; methamphetamine; orlistat; bupropion; phendimetrazine; peripherally acting antiobesity agents; phentermine; diethylpropion; liraglutide; lorcaserin; chorionic gonadotropin; phendimetrazine; systemic; liraglutide; Lomaira; amphetamine; benzphetamine; cimetidine; desvenlafaxine; Equaline Acid Reducer; diethylpropion; Glucagon-like peptide-1 receptor agonists; Dulaglutide, Exenatide, Semaglutide, Lixisenatide; Antidepressants including: such as clomipramine, fluoxetine, fluvoxamine, paroxetine, sertraline; Selective serotonin reuptake inhibitors (SSRIs) including: citalopram, escitalopram oxalate; Selective serotonin & norepinephrine inhibitors (SNRIs) including: desvenlafaxine, duloxetine, levomilnacipran; serotonergic drugs including: vortioxetine or vilazodone; tricyclic antidepressants including: amitriptyline, imipramine, nortriptyline, and doxepin; bupropion; Monoamine oxidase inhibitors (MAOIs) including: isocarboxazid, phenelzine, selegiline, and tranylcypromine; Tetracyclic antidepressants that are noradrenergic and specific serotonergic antidepressants (NaSSAs) including: mirtazapine; L-methylfolate, sumatriptan; rizatriptan; eletriptan; zolmitriptan; naratriptan; almotriptan; frovatriptan, and any combination thereof.
11 . The device of claim 9 , wherein at least one said other substance is selected from a group consisting of a gas, a liquid, a powder, an aerosol, a slurry, a gel, a suspension and any combination thereof.
12 . The device of claim 1 , wherein said at least one vial is an open-ended nosepiece enclosing said volume V sub [ml or mg] of said at least one substance; said nosepiece comprising an open end and the at least one fluid discharging outlet port of diameter D out [mm], the at least one fluid discharging port of diameter D out [mm] being opposingly located to said open end; wherein said nosepiece is configured for placement in proximity to said body cavity.
13 . The device of claim 12 , additionally comprising a nosepiece cover configured to cover, in a sealable manner, at least partially said nosepiece.
14 . The device of claim 13 , wherein the base comprises at least one chamber configured to confine pressurized fluid at volume V PF [ml] and pressure P PF [barg]; wherein activation of said base releases said volume V PF [ml] of said pressurized fluid from said at least one chamber into said opened ended nosepiece to entrain said substance volume V sub and deliver the substance volume V sub via said fluid discharging outlet port in said nosepiece.
15 . The device of claim 14 , wherein said volume V PF [ml] of said pressurized fluid at said pressure P PF [barg] is released upon activation of said base, from said at least one chamber within a period of time dT, the period of time dT being less than 500 milliseconds, via said fluid inlet port, wherein the pressurized fluid entrains said at least one substance, erupts via said fluid discharging outlet port into said body cavity, such that a release time of said volume V sub [ml or mg] of said at least one substance and said volume V PF [ml] of said pressurized fluid, dT release is less than 500 milliseconds.
16 . The device of claim 14 , wherein said at least one chamber is a container adapted to hold said pressurized fluid at said pressure P PF for prolonged periods of time.
17 . The device of claim 14 , wherein said activation of said base is provided by at least one piercing member adapted to pierce said at least one chamber, such that said pressurized fluid flows from said at least one chamber to said at least one vial to entrain said at least one substance.
18 . The device of claim 14 , wherein said base comprises a sealing member adapted, when said base is coupled to said nosepiece, to seal said volume V sub [ml] of said at least one substance to prevent leakage thereof.
19 . The device of claim 18 , wherein said sealing member is adapted to seal said at least one chamber containing said volume V PF [ml] of pressurized fluid at said pressure P PF and prevent leakage thereof.
20 . The device of claim 19 , wherein said sealing member separates said nosepiece and said at least one chamber.
21 . The device of claim 14 , wherein said base additionally comprises a plunger interconnected with said sealing member.
22 . The device of claim 21 , wherein said sealing member is an O-ring.
23 . The device of claim 22 , wherein said activation of said base is provided by linearly moving said plunger, such that the sealing of said sealing member is removed, thus allowing said volume V PF of said pressurized fluid to enter said nosepiece and entrain said volume V sub substance to be delivered to said body cavity.
24 . The device of claim 14 , said pressurized fluid is selected from a group consisting of air, nitrogen, oxygen, carbon dioxide, helium, neon, xenon and any combination thereof.
25 . The device of claim 14 , wherein said at least one chamber is a container adapted to hold said pressurized fluid at said pressure P PF for prolonged periods of time.
26 . The device of claim 14 , wherein said activation of said base is provided by at least one piercing member adapted to pierce said at least one chamber, such that said pressurized fluid flows from said at least one chamber to said at least one vial to entrain said Topiramate.
27 . The device of claim 14 , wherein said nosepiece comprises a sealing member adapted to seal said volume V sub [ml] of said Topiramate and prevent leakage thereof.
28 . The device of claim 27 , wherein said sealing member is adapted to seal said at least one chamber containing said volume V PF [ml] of pressurized fluid at a pressure and prevent leakage thereof.
29 . The device of claim 28 , wherein said sealing member separates said nosepiece and said at least one chamber.
30 . The device of claim 29 , wherein said base additionally comprises a plunger interconnected with said sealing member.
31 . The device of claim 30 , wherein said sealing member is an O-ring.
32 . The device of claim 31 , wherein said activation of said base is provided by linearly moving said plunger, such that a sealing of said sealing member is removed.
33 . The device of claim 13 , wherein said nosepiece cover and said nosepiece are coupled to each other.
34 . The device of claim 33 , wherein said coupling between nosepiece cover and said nosepiece said is reversible.
35 . The device of claim 13 , wherein removal of said nosepiece cover results in piercing said nosepiece to provide said fluid discharging outlet.
36 . The device of claim 13 , wherein removal of said nosepiece cover is obtained by at least one action selected from a group consisting of sliding said nosepiece cover along said device, rotating said nosepiece cover around said device, rotating said nosepiece cover around a hinge on the exterior of said device and any combination thereof.
37 . The device of claim 13 , wherein said nosepiece cover comprises at least one nosepiece puncturing member adapted to pierce said nosepiece to enable said fluid discharging outlet.
38 . The device of claim 13 , wherein said nosepiece comprises the at least one fluid discharging outlet port throughout which said at least one substance exits said device, such that said nosepiece cover seals said at least one fluid discharging outlet port and removal thereof removes said seal.
39 . The device of claim 12 , wherein said at least one fluid discharging outlet port is positioned at least one position selected from a group consisting of (a) along the circumference of a longitudinal axis of said device so as to deliver said volume V sub [ml or mg] of said at least one substance to sides of said body cavity; (b) at the a distal-most end of said device; and any combination thereof.
40 . The device of claim 12 , additionally comprising at least one adjustable dose mechanism, comprising:
a. at least one second drug container enclosing a second volume V dose of said at least one substance; and,
b. at least one loading needle adapted to load from said at least one second drug container, said volume V sub [ml] of said at least one substance to said nosepiece, where said second volume, V dose is larger than or equivalent to said volume V sub [ml] of said at least one substance, such that when said base is activated, said volume V PF [ml] of said pressurized fluid enters from said at least one chamber into said nosepiece to entrain said at least one substance volume V sub [ml] and deliver the at least one substance volume V sub [ml] via said fluid discharging outlet port in said nosepiece within said body cavity in the form of an aerosol, such that a release time of said volume V sub [ml] of said at least one substance and said volume V PF [ml] of said pressurized fluid, dT release is less than 500 milliseconds.
41 . The device of claim 12 , wherein said at least one vial comprises at least one mixing mechanism, the at least one mixing mechanism comprising at least two balls adapted to enable mixing of said volume V sub [ml or mg] of said at least one substance and said volume V PF of said pressurized fluid.
42 . The device of claim 41 , wherein said open-ended nosepiece or said at least one vial comprises at least one separator adapted to either (a) subdivide said at least one vial into at least two compartments; and\or (b) seal said open-ended nosepiece or said at least one vial.
43 . The device of claim 42 , wherein said separator is selected from a group consisting of; at least two balls, at least one plunger, at least one thin sheet, at least one frangible membrane, at least one duckbill valve, at least one bendable membrane, at least one temperature dependent membrane, at least one pressure dependent membrane, and any combination thereof.
44 . The device of claim 43 , wherein said at least one mixing mechanism is also said separator.
45 . The device of claim 1 , further comprising a safety latch, adapted to prevent accidental operation of said device.
46 . The device of claim 1 , additionally comprising at least one expandable portion, adapted to inflate before activation of said device.