IP Library Patent Application 18874401
Patent Application
App. No. 18/874,401

CRYSTALLINE FORMS OF 2-[3-[4-AMINO-3-(2-FLUORO-4-PHENOXY-PHENYL)PYRAZOLO[3,4-D]PYRIMIDIN-1-YL]PIPERIDINE-1-CARBONYL]-4-METHYL-4-[4-(OXETAN-3-YL)PIPERAZIN-1-YL]PENT-2-ENENITRILE

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Patent No.
US None
App. No.
18/874,401
Abstract

Provided herein are substantially crystalline solid forms of 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pen-t-2-enenitrile (identified herein as Compound (I), and also known as PRN 1008 or rilzabrutinib) as a pharmaceutically-acceptable salt selected from an HCI, oxalate, and/or a maleate salt or alternatively, as a pharmaceutically-acceptable methyl paraben co-crystal, and pharmaceutical compositions comprising the substantially crystalline forms.

Claims (53)

1 . A substantially crystalline form of 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile chosen from an HCl salt, oxalate salt, or maleate salt form thereof.

2 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl birefringent crystalline salt.

3 . The substantially crystalline form of claim 2 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl birefringent crystalline salt is characterized by an XRPD pattern substantially the same as those in FIG. 1

4 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl crystalline salt hydrate.

5 . The substantially crystalline form of claim 4 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl crystalline salt hydrate is characterized by at least one of

an XRPD pattern substantially the same as FIG. 2 ;

a DSC/TGA profile substantially the same as FIG. 3 .

6 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl crystalline salt Form A.

7 . The substantially crystalline form of claim 6 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl crystalline salt Form A is characterized by at least one of

an XRPD pattern substantially the same as FIG. 4 ;

an XRPD pattern substantially the same as FIG. 5 ;

a DSC profile substantially the same as FIG. 6 ;

a TGA profile substantially the same as FIG. 7 .

8 . The substantially crystalline form of claim 6 or 7 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: HCl crystalline salt Form A is characterized by an XRPD pattern comprising four or more peaks, in terms of 2-theta degrees, chosen from peaks at about 9.7±0.2, 14.9±0.2, 17.6±0.2, 19.0±0.2, 19.6±0.2, 21.6±0.2, 22.3±0.2, and 29.3±0.3.

9 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate birefringent crystalline salt Form A.

10 . The substantially crystalline form of claim 9 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate birefringent crystalline salt Form A is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 8 ;

a DSC/TGA profile substantially the same as FIG. 9 .

11 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate birefringent crystalline salt.

12 . The substantially crystalline form of claim 11 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate birefringent crystalline salt is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 10 ;

a DSC/TGA profile substantially the same as FIG. 11 .

13 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate crystalline salt hydrate Form A.

14 . The substantially crystalline form of claim 13 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate crystalline salt hydrate Form A is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 14 ;

a DSC profile substantially the same as FIG. 15 A ;

an XRPD pattern substantially the same as FIG. 16 ;

an XRPD pattern substantially the same as FIG. 17 ;

a TGA profile substantially the same as FIG. 18 ;

a DCS/TGA profile substantially the same as FIG. 19 .

15 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate crystalline salt hydrate Form B.

16 . The substantially crystalline form of claim 15 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate crystalline salt hydrate Form B is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 12 ;

a DSC/TGA profile substantially the same as FIG. 13 ;

a DSC profile substantially the same as FIG. 15 B .

17 . The substantially crystalline form of claim 13 or 14 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: oxalate crystalline salt hydrate Form A is characterized by an XRPD pattern comprising four or more peaks, in terms of 2-theta degrees, chosen from peaks at about 4.8±0.2, 9.3±0.2, 14.0±0.2, 14.2±0.2, 17.0±0.2, 18.7±0.2, 19.6±0.2, and 22.6±0.2.

18 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate crystalline salt Form B·MeCN solvate.

19 . The substantially crystalline form of claim 18 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate crystalline salt Form B·MeCN solvate is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 20 ;

a DSC/TGA profile substantially the same as FIG. 21 .

20 . The substantially crystalline form of claim 1 , which is 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate crystalline salt Form A.

21 . The substantially crystalline form of claim 20 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate crystalline salt Form A is characterized by at least one of:

an XRPD pattern substantially the same as shown in FIG. 22 ;

a TGA profile substantially the same as FIG. 23 .

22 . The substantially crystalline form of claim 20 or 21 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: maleate crystalline salt Form A is characterized by an XRPD pattern comprising four or more peaks, in terms of 2-theta degrees, chosen from peaks at about 9.7±0.2, 14.9±0.2, 17.6±0.2, 19.0±0.2, 19.6±0.2, 21.6±0.2, 22.3±0.2, and 22.8±0.2.

23 . A substantially crystalline form of 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile, which is a methyl paraben co-crystal.

24 . The substantially crystalline form of claim 23 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: methyl paraben co-crystal is characterized by at least one of:

an XRPD pattern substantially the same as FIG. 27 ;

a DCS/TGA profile substantially the same as FIG. 28 .

25 . The substantially crystalline form of claim 23 or 24 , wherein the 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile: methyl paraben co-crystal is characterized by an XRPD pattern comprising four or more peaks, in terms of 2-theta degrees, chosen from peaks at about 4.6±0.2, 10.8±0.2, 16.6±0.2, 18.3±0.2, 19.3±0.2, 20.2±0.2, 21.6±0.2 and 22.5±0.2.

26 . The substantially crystalline form of any one of claims 1 to 25 , which is at least 50% crystalline form, such as at least 60%, at least 70%, at least 80%, at least 90%, at least 95%, at least 96%, at least 97%, at least 98%, at least 99%, or 100% crystalline.

27 . A pharmaceutical composition comprising at least one substantially crystalline form of any of the preceding claims and a pharmaceutically acceptable excipient.

28 . A method of treating a disease mediated by activity of BTK in a subject in need of treatment comprising administering to the subject a crystalline form of 2-[3-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4-methyl-4-[4-(oxetan-3-yl)piperazin-1-yl]pent-2-enenitrile, according to any one of claims 1 to 26 , or pharmaceutical composition according to claim 27 .

Assignments (2)
ASSIGNEE CHANGE OF ADDRESS Recorded Sep 16, 2025
From: PRINCIPIA BIOPHARMA INC.
To: PRINCIPIA BIOPHARMA INC.
Reel/Frame 072881/0270 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 6, 2025
From: BY, KOLBOT; PHIASIVONGSA, PASIT; VAN BEEK, CARIM
To: PRINCIPIA BIOPHARMA INC.
Reel/Frame 071954/0156 →