IP Library Granted Patent US 11,136,295
Granted Patent B2
US 11,136,295 · App. 16/667,804 · Granted Oct 5, 2021

D-amphetamine compounds, compositions, and processes for making and using the same

Inventors: Sven Guenther (Coralville, IA); Guochen Chi (Coralville, IA); Travis Mickle (Kissimme, FL)
Assignee: KEMPHARM, INC.
C07D213/79A61K9/0019A61K9/0043A61K31/4458A61K31/4545A61K47/55C07D213/80C07D213/81C07D401/06C07D413/06A61K9/0053A61K9/02
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Quick Facts
Patent No.
US 11,136,295
App. No.
16/667,804
Granted
Oct 5, 2021
Kind
B2
Abstract

Disclosed are d-amphetamine compounds and compositions comprising at least one organic acid covalently bound to d-amphetamine, a salt thereof, a derivative thereof, or a combination thereof. Methods of making and using the same are also disclosed.

Claims (53)

1. A compound having the structure of Formula I:

or a pharmaceutically acceptable salt of said compound,

where X is selected from the group consisting of esters, carboxylic acids, amino acids, amino acid residues, amides, and derivatives thereof,

and Y is selected from the group consisting of hydrogen, alkenyl, alkoxy, alkyl, alkynyl, aryl, substituted aryl, alkylaryl, cycloalkenyl, cycloalkyl, cycloalkynyl, heteroalkyl, heteroaryl, and heterocycle.

2. The compound of claim 1 having the structure of Formula IA or the pharmaceutically acceptable salt of said compound:

where X is A-COO—R;

where A is either absent or, when present, is selected from the group consisting of alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol; and

where R is selected from the group consisting of hydrogen, alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol.

3. The compound of claim 1 having the structure of Formula IC or the pharmaceutically acceptable salt of said compound:

where X is A-CO—NR 1 R 2 ;

where A is either absent or, when present, is selected from the group consisting of alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol; and

where R 1 and R 2 are independently selected from the group consisting of hydrogen, alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol.

4. The compound of claim 2 or the pharmaceutically acceptable salt of said compound, wherein A is absent, Y is hydrogen, and the compound has the structure of formula IIA:

where R is selected from the group consisting of hydrogen, alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol.

5. The compound of claim 3 or the pharmaceutically acceptable salt of said compound, wherein A is absent, Y is hydrogen, and the compound has the structure of Formula IIC:

where R 1 and R 2 are independently selected from the group consisting of hydrogen, alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol.

6. A compound having a structure selected from the group consisting of:

7. The compound of claim 1 , wherein the pharmaceutically acceptable salt is selected from the group consisting of an acetate, L-aspartate, besylate, bicarbonate, carbonate, D-camsylate, L-camsylate, citrate, edisylate, formate, fumarate, gluconate, hydrobromide/bromide, hydrochloride/chloride, D-lactate, L-lactate, D,L-lactate, D,L-malate, L-malate, mesylate, pamoate, phosphate, succinate, sulfate, bisulfate, D-tartrate, L-tartrate, D,L-tartrate, meso-tartrate, benzoate, gluceptate, D-glucuronate, hybenzate, isethionate, malonate, methylsulfate, 2-napsylate, nicotinate, nitrate, orotate, stearate, tosylate, thiocyanate, acefyllinate, aceturate, aminosalicylate, ascorbate, borate, butyrate, camphorate, camphocarbonate, decanoate, hexanoate, cholate, cypionate, dichloroacetate, edentate, ethyl sulfate, furate, fusidate, galactarate, galacturonate, gallate, gentisate, glutamate, glutarate, glycerophosphate, heptanoate, hydroxybenzoate, hippurate, phenylpropionate, iodide, xinafoate, lactobionate, laurate, maleate, mandelate, methanesulfonate, myristate, napadisilate, oleate, oxalate, palmitate, picrate, pivalate, propionate, pyrophosphate, salicylate, salicylsulfate, sulfosalicylate, tannate, terephthalate, thiosalicylate, tribrophenate, valerate, valproate, adipate, 4-acetamidobenzoate, camsylate, octanoate, estolate, esylate, glycolate, thiocyanate, undecylenate, sodium, potassium, calcium, magnesium, zinc, aluminum, lithium, cholinate, lysinium, ammonium, troethamine, and a mixture thereof.

8. A compound having a structure selected from the group consisting of:

9. A composition comprising the compound of claim 1 or pharmaceutically acceptable salt of the compound.

10. The composition of claim 9 , wherein the composition is formulated for oral administration or suppository administration.

11. The composition of claim 10 , wherein the composition formulated for oral administration is in a dosage form selected from the group consisting of solid form, a tablet, a capsule, a caplet, a soft gel, a suppository, a troche, a lozenge, an oral powder, a solution, a syrup, an oral film, a thin strip, a slurry, an emulsion, an elixir, and a suspension.

12. The composition of claim 10 , wherein the composition further comprises one or more excipients, wherein the excipients are selected from the group consisting of anti-adherents, binders, coatings, disintegrants, fillers, flavors, dyes, colors, glidants, lubricants, preservatives, sorbents, sweeteners, and combinations thereof.

13. The composition of claim 12 wherein the binder is selected from the group consisting of hydroxypropylmethyl cellulose, ethyl cellulose, povidone, acrylic and methacrylic acid co-polymers, pharmaceutical glaze, gums, milk derivatives, and combinations thereof.

14. The composition of claim 9 , wherein the compound present in an amount per unit dose of between about 0.1 mg and about 2000 mg per unit dose.

15. The composition of claim 13 , wherein the compound is present in an amount per unit dose of between about 0.5 mg and about 500 mg per unit dose.

16. The composition of claim 15 , wherein the compound is present in an amount per unit dose of between about 1 mg and about 250 mg per unit dose.

17. The composition of claim 16 , wherein the compound is present in an amount per unit dose of between about 1.5 mg and about 100 mg per unit dose.

18. The composition of claim 9 , wherein the composition further comprises one or more additional pharmacological substance selected from the group consisting of stimulants, anti-depressants, combinations thereof, and prodrugs thereof.

19. The composition of claim 9 , wherein the composition further comprises one or more of methylphenidate, aripiprazole, atomoxetine, baclofen, clonidine, desipramine, dihydrotetrabenazine, guanfacine, haloperidol, levetiracetam, mecamylamine, etoclopramide, olanzapine, ondansetron, pergolide, pimozide, pramipexole, risperidone, selegiline, sulpiride, tetrabenazine, topiramate, ziprasidone, or one or more of additional amphetamine, or any combination thereof.

20. The composition of claim 19 , wherein the one or more additional amphetamine is unconjugated amphetamine, a conjugate of amphetamine, a prodrug of amphetamine, any isomer thereof, or any combination thereof.

21. The composition of claim 20 , wherein the isomer of unconjugated amphetamine is unconjugated d-amphetamine.

22. The composition of claim 19 , wherein the methylphenidate is unconjugated methylphenidate, a conjugate of methylphenidate, a prodrug of methylphenidate, any isomer thereof, or any combination thereof.

23. The composition of claim 22 , wherein the isomer of unconjugated methylphenidate is unconjugated d-methylphenidate.

24. The composition of claim 22 , wherein the conjugate of methylphenidate is serdexmethylphenidate.

25. The composition of claim 9 , wherein the compound is provided in an amount sufficient to provide a similar or decreased AUC when compared to unconjugated d-amphetamine when orally administered at equimolar doses.

26. The composition of claim 9 , wherein the compound is provided in an amount sufficient to provide a similar or decreased C max as compared to unconjugated d-amphetamine when administered orally at equimolar doses.

27. The composition of claim 9 , wherein the compound is provided in an amount sufficient to provide a decreased C max and a similar or decreased AUC as compared to unconjugated d-amphetamine when administered orally at equimolar doses.

28. The composition of claim 9 , wherein intranasal or intravenous administration of the compound provides a decreased AUC and/or C max when compared to an equivalent molar amount of unconjugated d-amphetamine.

29. The composition of claim 9 , wherein the compound provides reduced abuse potential as compared to unconjugated d-amphetamine.

30. A kit comprising individual doses of a therapeutically effective amount of a composition comprising the compound of claim 1 , a pharmaceutical salt thereof, or a combination thereof.

31. A compound having the structure of Formula I:

or a pharmaceutically acceptable salt of the compound,

where X is selected from the group consisting of esters, carboxylic acids, amino acids, amino acid residues, amides, and derivatives thereof, wherein X is located at the C-2 or C-4 position of the pyridine ring or X is located at two or more of the C-2, C-3, C-4, C-5, or C-6 positions of the pyridine ring,

and Y is selected from the group consisting of hydrogen, alkenyl, alkoxy, alkyl, alkynyl, aryl, substituted aryl, alkylaryl, cycloalkenyl, cycloalkyl, cycloalkynyl, heteroalkyl, heteroaryl, and heterocycle.

32. The compound of claim 31 , wherein the pharmaceutically acceptable salt is selected from the group consisting of an acetate, L-aspartate, besylate, bicarbonate, carbonate, D-camsylate, L-camsylate, citrate, edisylate, formate, fumarate, gluconate, hydrobromide/bromide, hydrochloride/chloride, D-lactate, L-lactate, D,L-lactate, D,L-malate, L-malate, mesylate, pamoate, phosphate, succinate, sulfate, bisulfate, D-tartrate, L-tartrate, D,L-tartrate, meso-tartrate, benzoate, gluceptate, D-glucuronate, hybenzate, isethionate, malonate, methylsulfate, 2-napsylate, nicotinate, nitrate, orotate, stearate, tosylate, thiocyanate, acefyllinate, aceturate, aminosalicylate, ascorbate, borate, butyrate, camphorate, camphocarbonate, decanoate, hexanoate, cholate, cypionate, dichloroacetate, edentate, ethyl sulfate, furate, fusidate, galactarate, galacturonate, gallate, gentisate, glutamate, glutarate, glycerophosphate, heptanoate, hydroxybenzoate, hippurate, phenylpropionate, iodide, xinafoate, lactobionate, laurate, maleate, mandelate, methanesulfonate, myristate, napadisilate, oleate, oxalate, palmitate, picrate, pivalate, propionate, pyrophosphate, salicylate, salicylsulfate, sulfosalicylate, tannate, terephthalate, thiosalicylate, tribrophenate, valerate, valproate, adipate, 4-acetamidobenzoate, camsylate, octanoate, estolate, esylate, glycolate, thiocyanate, undecylenate, sodium, potassium, calcium, magnesium, zinc, aluminum, lithium, cholinate, lysinium, ammonium, troethamine, and a mixture thereof.

33. The compound of 31 , wherein the compound has the structure of

34. The compound of claim 33 , wherein the compound has the structure of

wherein where R, R 1 , or R 2 is independently selected from the group consisting of hydrogen, alkenyl, alkenylaminocarbonyl, alkoxy, alkoxycarbonyl, alkyl, alkylamino, alkylaminocarbonyl, alkylammonium, alkylcarbonyl, alkylcarbonylamino, alkylcarbonyloxy, alkylsulfinyl, alkylsulfonyl, alkylthio, alkynyl, alkynylaminocarbonyl, aryl, substituted aryl, arylalkenyl, arylalkoxy, arylalkyl, arylalkynyl, arylamino, arylaminocarbonyl, arylammonium, arylazo, arylcarbonyl, arylcarbonylamino, arylcarbonyloxy, arylcycloalkyl, aryloxy, aryloxyalkyl, arylsulfinyl, arylsulfinylalkyl, arylsulfonyl, arylsulfonylamino, arylthio, arylthioalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, cycloalkylalkyl, cycloalkylamino, cycloalkyloxy, cycloalkynyl, cycloheteroalkyl, cycloheteroalkylalkyl, haloalkoxy, haloalkyl, heteroaryl, heteroarylalkenyl, heteroarylalkyl, heteroarylamino, heteroarylcarbonyl, heteroarylcarbonylamino, heteroaryloxo, heteroaryloxy, heteroarylsulfinyl, heteroarylsulfonyl, heteroarylthio, polycycloalkenyl, polycycloalkenylalkyl, polycycloalkyl, polycycloalkylalkyl, and polyethylene glycol.

35. The compound of claim 34 , wherein the compound has a structure of

36. A kit comprising individual doses of a therapeutically effective amount of a composition comprising at least one compound of claim 6 , a pharmaceutical salt thereof, or a combination thereof.

37. A kit comprising individual doses of a therapeutically effective amount of a composition comprising at least one compound of claim 8 .

38. A kit comprising individual doses of a therapeutically effective amount of a composition comprising the compound of claim 31 , a pharmaceutical salt thereof, or a combination thereof.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Mar 13, 2026
From: ALTER DOMUS (US) LLC
To: ZEVRA THERAPEUTICS, INC.
Reel/Frame 075080/0907 →
SECURITY INTEREST Recorded Apr 8, 2024
From: ZEVRA THERAPEUTICS, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 067040/0637 →
CHANGE OF NAME Recorded Feb 23, 2024
From: KEMPHARM, INC.
To: ZEVRA THERAPEUTICS, INC.
Reel/Frame 066664/0108 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 11, 2019
From: GUENTHER, SVEN; CHI, GUOCHEN; MICKLE, TRAVIS
To: KEMPHARM, INC.
Reel/Frame 051245/0951 →
Continuity (3)
Provisional Application 62800494 · Feb 2, 2019
Provisional Application 62752324 · Oct 29, 2018
Related Publication 20200131130A1 · Apr 30, 2020