IP Library Patent Application 19327837
Patent Application
App. No. 19/327,837

SOLID FORMS OF PRALSETINIB

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Quick Facts
Patent No.
US None
App. No.
19/327,837
Abstract

The compound cis)-N—((S)-1-(6-(4-fluoro-1H-pyrazol-1-yl)pyridin-3-yl)ethyl)-1-methoxy-4-(4 methyl-6-(5-methyl-1H-pyrazol-3-ylamino)pyrimidin-2-yl)cyclohexanecarboxamide can be prepared as a free base in various crystalline solid forms, and in various salt forms each having one or more solid forms.

Claims (11)

1 - 59 . (canceled)

60 . An amorphous form of a free base of (cis)-N—((S)-1-(6-(4-fluoro-1H-pyrazol-1-yl)pyridin-3-yl)ethyl)-1-methoxy-4-(4 methyl-6-(5-methyl-1H-pyrazol-3-ylamino)pyrimidin-2-yl)cyclohexanecarboxamide.

61 . The amorphous form of claim 60 , having an X-ray powder diffraction pattern substantially as shown in FIG. 19 A .

62 . The amorphous form of claim 60 , having a thermal gravimetric analysis plot substantially as shown in FIG. 19 B .

63 . The amorphous form of claim 60 , having a differential scanning calorimetry plot comprising melting events with onset temperatures of about 117° C. and about 161° C.

64 . The amorphous form of claim 60 , having a differential scanning calorimetry plot substantially as shown in FIG. 19 B .

65 . A pharmaceutical composition comprising the amorphous form of claim 60 and a pharmaceutically acceptable carrier, diluent or excipient.

66 . A method of treatment of a disease in a patient comprising administering to the patient a therapeutically effective amount of the amorphous form of claim 60 , wherein the disease is unresectable or metastatic non-small cell lung cancer (NSCLC) or medullary thyroid cancer (MTC).

67 . A method of treatment of a disease in a patient comprising administering to the patient a therapeutically effective amount of the amorphous form of claim 60 , wherein the disease is a RET-altered solid tumor.

68 . The method of claim 67 , wherein the disease is RET-altered non-small cell lung cancer.

69 . The method of claim 67 , wherein the disease is RET fusion-positive, metastatic non-small cell lung cancer.

Assignments (1)
SECURITY INTEREST Recorded May 8, 2026
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FUNDING IV TRUST
Reel/Frame 075576/0880 →