37 results about "Dopamine receptor antagonist" patented technology

Described herein are antipyschotic compounds of formula (I)wherein,A is an optionally benzo-fused five or six member aromatic ring having zero to three hetero atoms independently selected from N, O, and S;Alk is (C1-4) alkylene optionally substituted with OH, methoxy, ethoxy, or F;Ar is optionally substituted phenyl, naphthyl, monocyclic heteroaromatic, or bicyclic heteroaromatic;R1 is hydrogen or (C1-4) alkyl optionally substituted with OH, OR3, or OCH2CH2OH,wherein R3 is (C1-2) alkyl;R2 is H, (C1-6) alkyl, halogen, fluorinated (C1-6) alkyl, OR4, SR4, NO2, CN, COR4, CONR5R6, SO2NR5R6, NR5R6, NR5COR4, NR5SO2R4, or optionally substituted phenyl,whereinR4 is hydrogen, (C1-6) alkyl, fluorinated (C1-6) alkyl, or optionally substituted phenyl,R5 and R6 are independently hydrogen, (C1-6) alkyl, or optionally substituted phenyl;Z is one or two substituents independently selected from hydrogen, halogen, (C1-6) alkyl, fluorinated (C1-6) alkyl, OR7, SR7, NO2, CN, COR7, CONR8R9, SO2NR8R9, NR8SO2R7, NR8R9, or optionally substituted phenyl,whereinR7 is hydrogen, (C1-6) alkyl, fluorinated alkyl, or optionally substituted phenyl,R8 and R9 are independently hydrogen, (C1-6) alkyl, or optionally substituted phenyl;and salts, solvates, and crystal forms thereof.Also described are the use of the compounds of formula (I) as antagonists of the dopamine D2 receptor and as agents for the treatment of psychosis and bipolar disorder, and pharmaceutical formulations of the compounds of formula (I).

Described are methods of treating a cancer comprising administering to a subject in need thereof an effective amount of a dopamine receptor (DR) antagonist. The DR antagonist may be a phenothiazine derivative, such as thioridazine or chlorpromazine. Optionally, the cancer is acute myeloid leukemia. Also described are methods for identifying subjects with cancer, methods for providing a prognosis for a subjects with cancer and / or subjects likely to be responsive to therapy with DR receptor antagonists. Methods for identifying cancer stem cells and chemotherapeutic compounds that are DR receptor antagonists as also provided.

The present invention relates generally to muscarinic receptor antagonist, which are useful, among other uses, for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems mediated through muscarinic receptors. The invention also relates to the process for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and the method for treating diseases mediated through muscarinic receptors. Also provided herein are pharmaceutical composition comprising one or more muscarinic receptor antagonists and at least one other active ingredients include, but are not limited to, corticosteroids, beta agonists, leukotriene antagonists, 5-lipoxygenase inhibitors, anti-histamines, antitussives, dopamine receptor antagonists, chemokine inhibitors, p38 MAP Kinase inhibitors, and PDE-IV inhibitors.

Described herein are compounds of formula (I) wherein: is an optionally benzo-fused five or six member aromatic ring having zero to three hetero atoms independently selected from N, S, and O; Alk is (C1-4) alkylene or hydroxy substituted (C1-4) alkylene; X is oxygen or sulfur; R1 is hydrogen, (C1-6) fluroalkyl, (C3-6) cycloalkyl, or (C1-4) alkyl, wherein the (C1-4) alkyl is unsubstituted or substituted with hydroxy, methoxy, ethoxy, OCH2CH2OH, or —CN; R2 is H, halogen, (C1-6) fluoroalkyl, (C1-6) cycloalkyl, OR4, SR4, NO2, CN, COR4, C(O)OR4, CONR5R6, NR5R6, SO2NR5R6, NR5COR4, NR5SO2R4, optionally substituted aromatic, or (C1-6) alkyl, wherein (C1-6) alkyl is unsubstituted or substituted with a hydroxy group; R3 is hydrogen (C1-6) fluoroalkyl, (C2-6) alkenyl, Ar, (C1-4)alkyl-Ar, or (C1-4) alkyl wherein (C1-4) alkyly is unsubstituted or substituted with a phenyl; R4 is hydrogen, (C1-6) alkyl, (C1-6) fluoroalkyl, or optionally substituted aromatic; R5 and R6 are independently hydrogen, (C1-6) alkyl, or optionally substituted aromatic, R7 is hydrogen, (C1-6) alkyl, (C1-6) fluoroalkyl, or optionally substituted aromatic; R8 and R9 are independently hydrogen, (C1-6) alkyl, or optionally substituted aromatic; Ar is optionally substituted phenyl, napthyl, monocyclic heteroaromatic or bicyclic heteroaromatic; Z1 and Z2 are independently selected from hydrogen, halogen, (C1-6) alkyl, (C1-6) fluoroalkyl, OR7, SR7, NO2, CN, COR7, CONR8R9, NR8R9, and optionally substituted aromatic; and all salts, solvates, optical and geometric isomers, and crystalline forms thereof. Also, described are the use of the compounds of formula (I) as antagonists of the dopamine D2 receptor and as agents for the treatment of psychosis and bipolar disorders, and pharmaceutical formulations of the compounds of formula (I)

The invention discloses the combined application of a pharmaceutical composition composed of water-soluble starch salt modified by carboxylic acid groups and gastrointestinal motility promoting drugsor secretion promoting drugs in the prevention and treatment of constipation, the pharmaceutical composition can be suitable for various functional constipation, especially has good curative effects on old age refractory constipation, chronic constipation, habitual constipation, drug-induced constipation and the like, has slight adverse reactions, and can be suitable for various crowds. The representative drug of the water-soluble starch salt modified by the carboxylic acid groups is sodium carboxymethyl starch, and the gastrointestinal motility promoting drugs or secretion promoting drugs areselected from dopamine receptor antagonist, 5-HT4 receptor agonist, motilin receptor agonist, chloridion channel activator, guanylate cyclase agonist. The two components are combined according to a suitable weight ratio and can be prepared into any oral pharmaceutical dosage form including oral solution, oral suspension, granule, powder, tablet, capsule and the like.

The present invention relates to methods of treating various CNS disorders, e.g., mania, bipolar disorder and schizophrenia, by administering NMDA receptor antagonists, alone or in combination with dopamine receptor antagonists.

Methods for treating a patient having neurological, psychotic, and psychiatric disorders are described comprising the steps of administering to the patient an effective amount of a partial and / or full dopamine D1 receptor agonist, and administering to the patient an effective amount of a dopamine D2 receptor antagonist, Pharmaceutical compositions comprising a dopamine D1 receptor agonist and a dopamine D2 receptor antagonist are also described. The D1 dopamine receptor agonist and the D2 dopamine receptor antagonist can be administered to the patient in the same or in a different composition or compositions.

The side effect of decrease in body weight caused by the alkylphosphocholines such as miltefosine can be antagonized by certain acetylcholine receptor antagonists such as domperidone and pimozide. The combination of alkylphosphocholine plus the antagonist does not have any effect on the anti-tumor action of the alkylphosphocholine. The combination also caused no new side effects in the animals.

The present invention claims the use of chromone derivatives which are dopamine D3 receptor antagonists and pharmaceutical compositions and combinations comprising at least said derivatives for the treatment of autism spectrum disorders.

The present invention provides methods of treating Restless Legs Syndrome (RLS) including administering to a subject an effective amount of a dopamine D1 receptor antagonist. Compositions and kits useful for treating RLS are also provided.

The invention discloses application of a dopamine D1 receptor antagonist SCH39166 in preparation of a medicine for treating ocular pathological angiogenesis. The antagonist can inhibit ocular angiogenesis, has a remarkable effect on neovascularization of retinas, corneas and choroids, and can assist in treating angiogenesis ocular diseases.

The present invention provides compounds, which, are novel antagonists for D1 receptors as well as methods for preparing such compounds. In another embodiment, the invention provides pharmaceutical compositions comprising such D1 receptor antagonists as well as methods of using them to treat CNS disorders, obesity, metabolic disorders, eating disorders such as hyperphagia, and diabetes.