Abstract: This invention relates to novel 4-aminoquinazolines, their derivatives, pharmaceutically acceptable salts, solvates, and hydrates 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 beneficially treated by administering inhibitors of the EGFR and HER-2.

Abstract: This invention relates to novel triazolyl tropane derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by blocking or reducing the binding ability of the CCR5 receptor.

Abstract: This invention relates to novel quinazoline derivatives, their derivatives, 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 beneficially treated by inhibiting cell surface tyrosine receptor kinases.

Abstract: This invention relates to novel 4-aminoquinazolines 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 beneficially treated by administering inhibitors of the EGFR and HER-2.

Abstract: The present invention relates to compounds useful as inhibitors of voltage-gated sodium channels and calcium channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.

Abstract: The present invention relates to derivatives of tadalafil represented by the formula: or a salt thereof, wherein: X1 and X2 are simultaneously fluoro; or X1 is deuterium and X2 is selected from hydrogen or deuterium; each Y is independently selected from deuterium or hydrogen; the hydrogen attached to the indole nitrogen is optionally replaced by deuterium; and each carbon is independently optionally replaced by 13C. These compounds are selective PDE5 inhibitors and possess advantageous biopharmaceutical and pharmacokinetic properties. The invention further provides compositions comprising these compounds and methods of treating diseases and conditions that are responsive to PDE5 inhibition, alone and in combination with additional agents.

Abstract: This invention relates to novel quinazoline derivatives, their derivatives, 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 beneficially treated by inhibiting cell surface tyrosine receptor kinases.

Abstract: This invention relates to novel quinazoline derivatives, and their pharmaceutically acceptable salts. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by inhibiting cell surface tyrosine receptor kinases.

Abstract: The present invention relates to an isotopologue of Compound 1 substituted with deuterium at the methylene carbon of the benzodioxol ring. The isotopologues of this invention selective serotonin reuptake inhibitors (SSRIs) and possess unique biopharmaceutical and metabolic properties compared to Compound 1. They may also be used to accurately determine the concentration of Compound 1 in biological fluids and to determine metabolic patterns of Compound 1 and its isotopologues. The invention further provides compositions comprising these deuterated isotopologues and methods of treating diseases and conditions that are responsive to increased neuronal serotonin transmission, alone and in combination with additional agents.

Abstract: This disclosure relates to novel N-phenyl-2-pyrimidineamines and pharmaceutically acceptable salts 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 protein-tyrosine kinase inhibitors.

Abstract: This invention relates to novel prostacyclin derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by prostacyclin, and in particular those diseases and conditions beneficially treated by dilators of systemic and pulmonary arterial vascular beds or by platelet aggregation inhibitors.

Abstract: The present invention relates to an isotopologue of Compound 1 substituted with deuterium at the methylene carbon of the benzodioxol ring. The isotopologues of this invention selective serotonin reuptake inhibitors (SSRIs) and possess unique biopharmaceutical and metabolic properties compared to Compound 1. They may also be used to accurately determine the concentration of Compound 1 in biological fluids and to determine metabolic patterns of Compound 1 and its isotopologues. The invention further provides compositions comprising these deuterated isotopologues and methods of treating diseases and conditions that are responsive to increased neuronal serotonin transmission, alone and in combination with additional agents.

Abstract: The present invention relates to compounds useful as inhibitors of voltage-gated sodium channels and calcium channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.

Abstract: The present invention relates to a novel derivative of Compound 1 selectively substituted with fluorine and/or deuterium and optionally further substituted with deuterium and 13C elsewhere in the molecule. The compounds of this invention are cholesterol esterase transfer protein inhibitors and possess unique biopharmaceutical and pharmacokinetic properties compared to Compound 1. They may also be used to accurately determine the concentration of Compound 1 in biological fluids and tissues and to determine metabolic patterns of Compound 1 and its isotopologues. The invention further provides compositions comprising these compounds and methods of treating diseases and conditions that are responsive to inhibition of cholesterol esterase transfer protein, alone and in combination with additional agents.

Abstract: The present invention relates to co-administering a Hepatitis C virus NS3/4A protease inhibitor and a cytochrome P450 monooxygenase inhibitor. The combination acts by interfering with the life cycle of the hepatitis C virus and is therefore useful as an antiviral therapy. As such, the combination may be used for treating or preventing Hepatitis C infections in patients. The invention also relates to compositions comprising the combination of inhibitors. The invention also relates to kits and pharmaceutical packs comprising a Hepatitis C virus NS3/4A protease inhibitor and a cytochrome P450 monooxygenase inhibitor. The invention also relates to processes for preparing these compositions, combinations, kits, and packs.

Abstract: This disclosure relates to novel melatonin analogues or naphthyl(ethyl)acetamides, 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 dual melatoninergic agonist and serotoninergic antagonist.

Abstract: This invention relates to novel prostacyclin derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by prostacyclin, and in particular those diseases and conditions beneficially treated by dilators of systemic and pulmonary arterial vascular beds or by platelet aggregation inhibitors.

Abstract: This invention relates to novel 11-[4-[2-(2-Hydroxyethoxy)ethyl]piperazin-1-yl]dibenzo[b,f][1,4]thiazepine derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by antagonists of seratonergic 5HT1A and 5HT2 receptors, dopaminergic D1 and D2 receptor, histaminergic H1 receptors, and/or adrenergic ?1 and ?2 receptors.

Abstract: The present invention relates to a novel class of sulfonamides which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV aspartyl protease inhibitors characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting HIV-1 and HIV-2 protease activity and consequently, may be advantageously used as anti-viral agents against the HIV-1 and HIV-2 viruses. This invention also relates to methods for inhibiting the activity of HIV aspartyl protease using the compounds of this invention and methods for screening compounds for anti-HIV activity.

Abstract: This invention relates to novel quinazoline derivatives, and their pharmaceutically acceptable salts. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by inhibiting cell surface tyrosine receptor kinases.