Crystalline (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, compositions and methods of use thereof
Provided herein are crystalline forms of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate. Pharmaceutical compositions comprising crystalline forms of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate are also disclosed.
1. A method of treating pain compromising administering to a subject a composition comprising a crystalline form of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, wherein:
the crystalline form is Form A of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 18.1, 20.1, and 22.3 degrees 2θ±0.2 degrees 2θ;
the crystalline form is Form B of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 16.2, 18.2, and 19.2 degrees 2θ±0.2 degrees 2θ;
the crystalline form is Form C of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 18.0, 20.0, and 21.0 degrees 2θ±0.2 degrees 2θ;
the crystalline form is Form D of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 13.4, 21.0, and 23.8 degrees 2θ±0.2 degrees 2θ; or
the crystalline form is Form E of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 17.8, 21.3, and 22.8 degrees 2θ±0.2 degrees 2θ.
2. The method of claim 1 , wherein the pain is neuropathic pain.
3. The method of claim 1 or claim 2 , wherein the crystalline form is Form A of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 18.1, 20.1, and 22.3 degrees 2θ±0.2 degrees 2θ.
4. The method of claim 3 , wherein the X-ray powder diffraction pattern further comprises peaks at 9.9, 19.9, and 24.7 degrees 2θ±0.2 degrees 2θ.
5. The method of claim 1 or claim 2 , wherein the crystalline form is Form B of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 16.2, 18.2, and 19.2 degrees 2θ±0.2 degrees 2θ.
6. The method of claim 5 , wherein the X-ray powder diffraction pattern further comprises peaks at 15.1, 18.7, and 20.1 degrees 2θ±0.2 degrees 2θ.
7. The method of claim 1 or claim 2 , wherein the crystalline form is Form C of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 18.0, 20.0, and 21.0 degrees 2θ±0.2 degrees 2θ.
8. The method of claim 7 , wherein the X-ray powder diffraction pattern further comprises peaks at 12.3, 16.8, and 25.5 degrees 2θ±0.2 degrees 2θ.
9. The method of claim 1 or claim 2 , wherein the crystalline form is Form D of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 13.4, 21.0, and 23.8 degrees 2θ±0.2 degrees 2θ.
10. The method of claim 9 , wherein the X-ray powder diffraction pattern further comprises peaks at 18.3, 26.7, and 29.5 degrees 2θ±0.2 degrees 2θ.
11. The method of claim 1 or claim 2 , wherein the crystalline form is Form E of (R)-5-carbamoylpyridin-3-yl-2-methyl-4-(3-(trifluoromethoxy)benzyl)piperazine-1-carboxylate, having an X-ray powder diffraction pattern comprising peaks at 17.8, 21.3, and 22.8 degrees 2θ±0.2 degrees 2θ.
12. The method of claim 11 , wherein the X-ray powder diffraction pattern further comprises peaks at 15.8, 18.4, and 21.9 degrees 2θ±0.2 degrees 2θ.