IP Library Granted Patent US 8,394,966
Granted Patent B2
US 8,394,966 · App. 12/913,213 · Granted Mar 12, 2013

Crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid

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Quick Facts
Patent No.
US 8,394,966
App. No.
12/913,213
Granted
Mar 12, 2013
Kind
B2
Abstract

The present invention relates to crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid, pharmaceutical compositions and dosage forms comprising the crystalline forms, methods of making the crystalline forms and methods for their use for the treatment, prevention or management of diseases ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay.

Claims (23)

1. A crystal Form B of the compound of formula (I) having solvent in the crystal lattice:

wherein the solvent is 1-propanol

which has an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.14, 6.39, 6.96, 7.92, 10.78, 12.44, 12.61, 12.88, 13.52, 13.78, 13.97, 14.30, 15.46, 15.68, 15.89, 16.33, 16.76, 17.03, 20.10, 21.03, 23.34, 23.86, 24.18, 24.42, 24.64, 26.62, 26.96, 27.29, 27.64, 27.96, 28.81, 31.05, 32.38, 32.58, 36.23, 37.81, 38.28, 38.44 and 39.16.

2. The crystal form of claim 1 , further characterized by at least one of the following:

(a) an X-ray powder diffraction pattern comprising at least four additional peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.14, 6.39, 6.96, 7.92, 10.78, 12.44, 12.61, 12.88, 13.52, 13.78, 13.97, 14.30, 15.46, 15.68, 15.89, 16.33, 16.76, 17.03, 20.10, 21.03, 23.34, 23.86, 24.18, 24.42, 24.64, 26.62, 26.96, 27.29, 27.64, 27.96, 28.81, 31.05, 32.38, 32.58, 36.23, 37.81, 38.28, 38.44 and 39.16;

(b) a thermogravimetric analysis thermogram which has a mass loss of less than 5% of the total mass of the sample upon heating from 25° C. to 165° C.; and

(c) a differential scanning calorimetry thermogram which has an endothermic event with a peak temperature at 243° C.

3. The crystal form of claim 2 , wherein the four additional peak positions are selected from the group consisting of 7.92, 10.78, 17.03 and 27.29.

4. A crystal form of the compound of formula (I)

characterized by an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.42, 7.00, 7.89, 10.85, 12.61, 12.92, 13.47, 13.97, 15.81, 16.45, 17.12, 20.05, 21.05, 23.92, 24.28, 27.00, 27.39, 27.84, 28.04, 28.94, 31.10, 32.58, 36.11, 37.71, 38.15 and 38.61, wherein the crystal form has 1-butyl acetate, acetic acid or nitromethane in the crystal lattice.

5. The crystal form of claim 4 , wherein the four peak positions are selected from the group consisting of 7.89, 10.85, 17.12 and 27.39.

6. A crystal form of the compound of formula (I)

characterized by an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.10, 6.38, 6.54, 7.10, 8.02, 10.91, 12.71, 13.50, 13.62, 13.86, 14.10, 15.56, 15.70, 15.91, 16.55, 16.96, 17.22, 17.50, 19.82, 20.08, 20.34, 21.15, 23.78, 23.93, 24.38, 24.56, 26.88, 27.16, 27.48, 27.88, 28.04, 28.78, 29.02, 32.71, 36.01, 38.10, 38.56 and 39.38, wherein the crystal form has a 1/1 mixture of tetrahydrofuran and heptane in the crystal lattice.

7. The crystal form of claim 6 , wherein the four peak positions are selected from the group consisting of 7.10, 10.91, 16.96 and 27.48.

8. A crystal form of the compound of formula (I)

characterized by an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 1.79, 2.30, 2.57, 2.78, 3.29, 3.59, 3.89, 4.07, 4.34, 4.49, 4.76, 5.06, 6.47, 6.91, 7.96, 10.89, 12.87, 13.58, 13.99, 15.97, 16.48, 17.10, 20.00, 20.36, 21.04, 23.40, 24.29, 24.89, 26.87, 27.49, 27.80, 28.07, 29.08 and 38.61.

9. The crystal form of claim 8 , wherein the four peak positions are selected from the group consisting of 7.96, 10.89, 17.10 and 27.49.

10. A crystal form of the compound of formula (I)

characterized by an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.22, 6.51, 7.13, 8.17, 10.91, 12.87, 13.80, 14.12, 14.28, 15.78, 16.23, 16.54, 17.15, 20.33, 21.22, 21.36, 23.94, 24.30, 27.30, 27.58, 28.00, 28.74, 28.96, 32.70, 36.74, 38.18, 38.38, 38.52 and 39.31, wherein the crystal form has dimethoxyether in the crystal lattice.

11. The crystal form of claim 10 , wherein the four peak positions are selected from the group consisting of 8.17, 10.91, 17.15 and 27.30.

12. A crystal form of the compound of formula (I)

characterized by an X-ray powder diffraction pattern comprising at least four peak positions (°2θ±0.2), when measured using Cu Kα radiation, selected from the group consisting of 6.04, 6.49, 7.91, 10.92, 12.61, 12.92, 13.10, 13.42, 13.82, 13.99, 15.40, 15.76, 16.51, 17.15, 19.92, 20.04, 21.01, 23.92, 24.28, 24.48, 26.77, 27.14, 27.40, 27.74, 28.09, 28.82, 28.99, 31.03, 32.58, 35.64, 35.85, 37.48, 37.66 and 38.62.

13. The crystal form of claim 12 , wherein the four peak positions are selected from the group consisting of 7.91, 10.92, 17.15 and 27.40.

Assignments (6)
TERMINATION AND RELEASE OF PATENT SECURITY AGREEMENT @ REEL 061803 AND FRAME 0878 Recorded Oct 20, 2023
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: PTC THERAPEUTICS, INC.
Reel/Frame 065303/0163 →
SECURITY INTEREST Recorded Oct 28, 2022
From: PTC THERAPEUTICS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 061803/0878 →
RELEASE OF SECURITY INTEREST Recorded Jul 14, 2020
From: MIDCAP FINANCIAL TRUST, AS AGENT
To: PTC THERAPEUTICS, INC.
Reel/Frame 053209/0872 →
CORRECTIVE ASSIGNMENT TO CORRECT THE INCLUSION OF 6420591,6583309,6503713, 5843995,7029846,7056656, 6468969,6486305,6630294, 6989256,6627398,8247167, 9017935 PREVIOUSLY RECORDED ON REEL 042418 FRAME 0774. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY INTEREST. Recorded Aug 24, 2017
From: PTC THERAPEUTICS, INC.
To: MIDCAP FINANCIAL TRUST, AS AGENT
Reel/Frame 043672/0096 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2017
From: ALMSTEAD, NEIL G.; HWANG, PETER SEONGWOO; MOON, YOUNG-CHOON
To: PTC THERAPEUTICS, INC.
Reel/Frame 043141/0561 →
SECURITY INTEREST Recorded May 8, 2017
From: PTC THERAPEUTICS, INC.
To: MIDCAP FINANCIAL TRUST, AS AGENT
Reel/Frame 042418/0774 →