Abstract: This invention relates to novel, deuterated forms of VX-661 and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating cystic fibrosis.

Abstract: The present invention in one embodiment provides a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula I are as defined in the specification.

Abstract: This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.

Abstract: This invention relates to novel derivatives of 4-hydroxybutyric acid and prodrugs thereof, and pharmaceutically acceptable salts of the foregoing. This invention also provides pharmaceutical compositions comprising a compound of this invention and the use of such compositions in methods of treating narcolepsy, fibromyalgia, other disorders or conditions that are beneficially treated by improving nocturnal sleep or by administering sodium oxybate.

Abstract: This invention relates to novel deuterated forms of GFT-505, and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions that are characterized by reduced PPAR-alpha and/or PPAR-delta activity.

Abstract: This invention relates to novel, deuterated forms of VX-661 and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating cystic fibrosis.

Abstract: The present invention in one embodiment provides a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula I are as defined in the specification.

Abstract: This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.

Abstract: This invention relates to methods of treating agitation comprising administering a morphinan compound or a pharmaceutically acceptable salt thereof. This invention also provides the use in methods of treating agitation and related disorders with such a morphinan compound in combination with quinidine, or a pharmaceutically acceptable salt of either or both thereof.

Abstract: This invention relates to methods of treating agitation comprising administering a morphinan compound or a pharmaceutically acceptable salt thereof. This invention also provides the use in methods of treating agitation and related disorders with such a morphinan compound in combination with quinidine, or pharmaceutically acceptable salt of either or both thereof.

Abstract: This invention relates to methods of treating agitation comprising administering a morphinan compound or a pharmaceutically acceptable salt thereof. This invention also provides the use in methods of treating agitation and related disorders with such a morphinan compound in combination with quinidine, or pharmaceutically acceptable salt of either or both thereof.

Abstract: The present invention in one embodiment provides a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula I are as defined in the specification.

Abstract: This invention relates to novel derivatives of 4-hydroxybutyric acid and prodrugs thereof, and pharmaceutically acceptable salts of the foregoing. This invention also provides pharmaceutical compositions comprising a compound of this invention and the use of such compositions in methods of treating narcolepsy, fibromyalgia, other disorders or conditions that are beneficially treated by improving nocturnal sleep or by administering sodium oxybate.

Abstract: The present invention in one embodiment provides a compound of Formula I:(I), or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula I are as defined in the specification.

Abstract: This invention relates to novel derivatives of 4-hydroxybutyric acid and prodrugs thereof, and pharmaceutically acceptable salts of the foregoing. This invention also provides pharmaceutical compositions comprising a compound of this invention and the use of such compositions in methods of treating narcolepsy, fibromyalgia, other disorders or conditions that are beneficially treated by improving nocturnal sleep or by administering sodium oxybate.

Abstract: This invention relates to novel, deuterated forms of VX-661 and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating cystic fibrosis.

Abstract: This invention in one embodiment is directed to a compound of Formula Ia; where the designation (R) indicates that the designated carbon has the (R) stereochemistry; and wherein Z1 is hydrogen or fluorine; Z2 is hydrogen, deuterium, or fluorine; Z3 is deuterium; Z4 is fluorine; m is an integer from 0 to 10; n is an integer from 0 to 2; provided that: the sum of m+n does not exceed 10; and when both Z1 and Z2 are hydrogen, the sum of m+n is greater than 0, and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions that are beneficially treated by administering an antihelminthic agent, such as praziquantel.

Abstract: The present invention in one embodiment provides a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula I are as defined in the specification.

Abstract: This invention relates to novel compounds that are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. For example, this invention relates to novel substituted xanthine derivatives that are derivatives of pentoxifylline. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial.

Abstract: This disclosure relates to novel morphinan compounds and their derivatives, pharmaceutically acceptable salts, solvates, and hydrates thereof. This disclosure also provides compositions comprising a compound of this disclosure and the use of such compositions in methods of treating diseases and conditions that are beneficially treated by administering a ?1 receptor agonist that also has NMDA antagonist activity.