SUSTAINED RELEASE DOSAGE FORMS FOR A JAK1 INHIBITOR

1 .- 45 . (canceled)

46 . One or more sustained release tablets, suitable for oral administration, comprising:

{1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile, or a pharmaceutically acceptable salt thereof; and

a means for providing a ratio of mean peak plasma concentration (C max ) to mean 12-hour plasma concentration (C 12h ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 9 to 40 to a fasted individual.

47 . The one or more sustained release tablets of claim 46 , comprising a means for providing a ratio of mean peak plasma concentration (C max ) to mean 12-hour plasma concentration (C 12h ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H- pyrazol-1-yl]azetidin-3-yl}acetonitrile of 15 to 30 to a fasted individual.

48 . The one or more sustained release tablets of claim 46 , comprising a means for providing a ratio of mean peak plasma concentration (C max ) to mean 12-hour plasma concentration (C 12h ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H- pyrazol-1-yl]azetidin-3-yl}acetonitrile of 10 to 70 to an individual after a high-fat meal.

49 . The one or more sustained release tablets of claim 46 , comprising a means for providing a ratio of mean peak plasma concentration (C max ) to mean 12-hour plasma concentration (C 12h ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H- pyrazol-1-yl]azetidin-3-yl}acetonitrile of 15 to 50 to an individual after a high-fat meal.

50 . The one or more sustained release tablets of claim 46 , comprising a means for providing a ratio of mean peak plasma concentration (C max ) to mean 12-hour plasma concentration (C 12h ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H- pyrazol-1-yl]azetidin-3-yl}acetonitrile of 25 to 45 to an individual after a high-fat meal.

51 . One or more sustained release tablets, suitable for oral administration, comprising:

{1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile, or a pharmaceutically acceptable salt thereof; and

means for providing:

(a) a mean peak plasma concentration (C max ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin- 4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 0.191 μM±0.10 μM to a fasted individual; or

(b) a mean time to peak plasma concentration (T max ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 0.5 hours to 3 hours to a fasted individual; or

(c) a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 1 hour to 20 hours to a fasted individual; or

(d) a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 1 hour to 7 hours to an individual after a high-fat meal; or

(e) any combination of (a)-(d).

52 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-y1}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4- yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 2 hour to 5 hours to an individual after a high-fat meal.

53 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 4.9 h±2.6 h to a fasted individual.

54 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean peak plasma concentration (C max ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 0.191 μM±0.10 μM to a fasted individual.

55 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean time to peak plasma concentration (T max ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 0.5 hours to 3 hours to a fasted individual.

56 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-y1}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4- yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 1 hour to 20 hours to a fasted individual.

57 . The one or more sustained release tablets of claim 51 , comprising a means for providing a mean half-life (t 1/2 ) of {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-y1}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4- yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile of 1 hour to 7 hours to an individual after a high-fat meal.

58 . The one or more sustained release tablets of claim 46 , wherein the salt is {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile adipic acid salt.

59 . The one or more sustained release tablets of claim 51 , wherein the salt is {1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-y1)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile adipic acid salt.