Treprostinil derivative compounds and methods of using same
Compounds represented by formulae I, II, III, and IV including pro-drugs for treprostinil and prostacyclin analogs. Uses include treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The structures of the compounds can be adapted to the particular application for a suitable treatment dosage. Transdermal applications can be used.
1. A transdermal patch comprising a topical composition comprising a compound of Formula (I) or a pharmaceutically acceptable salt, polymorph or stereoisomer thereof:
wherein:
R 20 , R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , R 28 , R 29 , R 30 , R 31 , R 32 , R 33 , R 34 , R 35 and R 36 are independently H or deuterium;
Z is —OH, —OR 11 , —N(R 11 )R 12 , —SR 11 or P 1 ;
R 11 is alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, haloalkyl, heteroalkyl, substituted heteroalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, alkylcycloalkyl, substituted alkylcycloalkyl, alkylcycloheteroalkyl, substituted alkylcycloheteroalkyl, aryl, substituted aryl, alkylaryl, substituted alkylaryl, heteroaryl, substituted heteroaryl, alkylheteroaryl, or substituted alkylheteroaryl;
R 12 is H, haloalkyl, heteroalkyl, cycloheteroalkyl, alkylcycloalkyl, alkylcycloheteroalkyl, aryl, or heteroaryl;
P 1 is selected from:
wherein:
m is 1, 2, 3 or 4;
R 14 and R 15 are independently in each occurrence selected from H, alkyl, cycloalkyl, alkylcycloalkyl, haloalkyl, heteroalkyl, substituted alkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, substituted aryl, substituted heteroaryl, substituted arylalkyl, and substituted heteroarylalkyl, or
R 14 and R 15 together with the atoms to which they are attached optionally form a 5- to 7-membered ring incorporating two ring heteroatoms chosen from N, O and S which is unsubstituted or substituted with 1, 2 or 3 substituents independently selected from halo, methyl and methoxy;
R 18 and R 19 are independently in each occurrence hydrogen or alkyl, wherein the alkyl is unsubstituted or substituted with 1 substituent selected from halo, hydroxy, alkoxy, amino, thio, methylthio, —C(O)OH, —C(O)O-(alkyl), —CONH 2 , aryl and heteroaryl, wherein the aryl or heteroaryl is unsubstituted or substituted with a substituent selected from alkyl, halo, haloalkyl, hydroxy, alkoxy, and haloalkoxy;
R 14 and R 18 together with the atoms to which they are attached optionally form a 5- to 7-membered ring;
R 14 and R 19 together with the atoms to which they are attached optionally form a 5- to 7-membered ring;
R 15 and R 18 together with the atoms to which they are attached optionally form a 5- to 7-membered ring; and
R 15 and R 19 together with the atoms to which they are attached optionally form a 5- to 7-membered ring; and
R 1 and R 2 are independently H or P 2 , wherein at least one of R 1 and R 2 is P 2 , and wherein
P 2 is selected from:
wherein:
m is 1, 2, 3 or 4; and
R 14 is independently in each occurrence selected from H, alkyl, cycloalkyl, alkylcycloalkyl, haloalkyl, heteroalkyl, substituted alkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, substituted aryl, substituted heteroaryl, substituted arylalkyl, and substituted heteroarylalkyl.
2. The transdermal patch of claim 1 , wherein for the compound of Formula (I):
(a) R 1 is P 2 and R 2 is H; or
(b) R 1 is H and R 2 is P 2 ; or
(c) R 1 is P 2 and R 2 is P 2 .
3. The transdermal patch of claim 1 , wherein for the compound of Formula (I):
(a) P 2 is or
(b) P 2 is
4. The transdermal patch of claim 1 , wherein for the compound of Formula (I):
(a) each of R 20 through R 36 is H; or
(b) at least one of R 20 through R 36 is deuterium.
5. The transdermal patch of claim 1 , wherein for the compound of Formula (I):
(a) Z is —OH; or
(b) Z is —OR 11 ; or
(c) Z is —N(R 11 )R 12 ; or
(d) Z is P 1 .
6. The transdermal patch of claim 1 , wherein the compound of Formula (I) is a compound of Formula (IA) or a pharmaceutically acceptable salt, polymorph or stereoisomer thereof:
wherein:
Z is —OH, —OR 11 or P 1 ;
R 11 is alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, haloalkyl, heteroalkyl, substituted heteroalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, alkylcycloalkyl, substituted alkylcycloalkyl, alkylcycloheteroalkyl, or substituted alkylcycloheteroalkyl;
P 1 is selected from:
wherein:
m is 1, 2, 3 or 4; and
R 14 and R 15 are independently selected from H, alkyl, cycloalkyl, alkylcycloalkyl, haloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, substituted aryl, substituted heteroaryl, substituted arylalkyl, and substituted heteroarylalkyl, or
R 14 and R 15 together with the atoms to which they are attached optionally form a 5- to 7-membered ring; and
R 1 and R 2 are independently H or P 2 , wherein at least one of R 1 and R 2 is P 2 , and wherein
P 2 is selected from:
wherein R 14 is selected from H, alkyl, cycloalkyl, alkylcycloalkyl, haloalkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, substituted aryl, substituted heteroaryl, substituted arylalkyl, and substituted heteroarylalkyl.
7. The transdermal patch of claim 1 , wherein the topical composition further comprises a permeation enhancer, and optionally one or more additional excipients selected from solubilizers, lipophilic solvents, and thickeners.
8. The transdermal patch of claim 7 , wherein the permeation enhancer is selected from dimethyl sulfoxide (DMSO), decylmethylsulfoxide, laurocapram, pyrrolidones, surfactants, alcohols, polyethylene glycol, diethylene glycol monoethyl ether, oleic acid, N-lauroyl sarcosine, sodium octyl sulfate, sodium lauryl sulfoacetate, and fatty acid esters.
9. The transdermal patch of claim 8 , wherein:
the pyrrolidones are selected from 2-pyrrolidone and N-methyl-2-pyrrolidine;
the surfactants are selected from sodium laureth sulfate and sorbitan monolaurate;
the alcohols are oleyl alcohol;
the polyethylene glycol is PEG 400; and
the fatty acid esters are selected from isopropyl myristate, methyl laurate, glyceryl oleate, glycerol mono-oleate, and propylene glycol mono-oleate.
10. The transdermal patch of claim 7 , wherein the solubilizers are selected from C 2 -C 8 alcohols.
11. The transdermal patch of claim 7 , wherein the lipophilic solvents are selected from lipophilic alcohols, polyethylene glycol, diethylene glycol monoethyl ether, polysorbates, Labrasol, fatty acid esters, diethyl sebacate, propylene glycol monocaprylate, propylene glycol laurate, mono- and di-glycerides, medium-chain triglycerides, caprylic/capric triglyceride, glyceryl monocaprylate, glyceryl mono-oleate, glyceryl mono-linoleate, glycerol oleate/propylene glycol, mineral oil, and vegetable oils.
12. The transdermal patch of claim 11 , wherein:
the lipophilic alcohols are selected from hexylene glycol, octyldodecanol, oleyl alcohol and stearyl alcohol;
the polyethylene glycol is selected from PEG 100, PEG 300, PEG 400 and PEG 3350;
the polysorbates are selected from Tween 20 to 80;
the fatty acid esters are selected from isopropyl myristate and di-isopropyl adipate; and
the mono- and di-glycerides are Capmul MCM.
13. The transdermal patch of claim 7 , wherein the thickeners are selected from glycerol, stearyl alcohol, and polymers.
14. The transdermal patch of claim 13 , wherein the polymers are selected from polydimethylsiloxane (dimethicone), Carbopol polymers, acrylic polymers, polyvinyl alcohol, polyvinylpyrrolidone, methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, and hydroxypropyl cellulose.
15. The transdermal patch of claim 1 , wherein the topical composition further comprises a hydrophilic solvent.
16. The transdermal patch of claim 15 , wherein the hydrophilic solvent is a C 1 -C 5 alcohol or/and water.
17. The transdermal patch of claim 16 , wherein the C 1 -C 5 alcohol is ethanol, isopropanol, glycerol, propylene glycol or 1,2-pentanediol.
18. The transdermal patch of claim 1 , which further comprises a microporous membrane, a skin adhesive and a backing material.
19. A method of treating pulmonary hypertension, comprising applying to a subject in need of treatment the transdermal patch of claim 1 .
20. The method of claim 19 , wherein the pulmonary hypertension is pulmonary arterial hypertension.