Abstract: A compound of the structure A method for the inhibition of the binding of &agr;4&bgr;1 integrin to its receptors, for example VCAM-1(vascular cell adhesion molecule-1) and fibronectin; pharmaceutically active compositions comprising these compounds; and the use of these compounds for the control or prevention of diseases states in which &agr;4&bgr;1 is involved are also disclosed.

Abstract: The present invention is directed to an isolated and purified cyclic peptide of from 5 to about 13 residues modeled after a portion of the CS1 peptide. A peptide of this invention preferably has the amino acid residue sequence of SEQ ID NO:2-14 or 16-42. The present invention is further directed to a process of selectively inhibiting the binding of &agr;4&bgr;1 integrin to a protein such as VCAM-1, fibronectin or invasin. In accordance with that process, a cell that expresses &agr;4&bgr;1 integrin is exposed to that protein in the presence of an effective inhibiting amount of such a peptide. The present invention is still further directed to a pharmaceutical composition containing a physiologically acceptable carrier and a cyclic peptide of the invention.

Abstract: Thienylsulfonamides and their pharmaceutically acceptable derivatives, pharmaceutical compositions, articles of manufacture, combinations, lyophilized powders and methods for the treatment of endothelin diseases using these formulations and sulfonamides are provided. A process of preparing an alkali metal salt of a hydrophobic sulfonamide is provided. The process includes the step of dissolving a free sulfonamide in an organic solvent in the presence of a saturated alkali metal salt solution and recovering the formed sulfonamide salt from the organic phase.

Abstract: Methods, compositions, and compounds for modulating the activity of an endothelin peptide are provided. The methods use compositions that contain compounds that include those of the formula: where X is selected from groups that include O, S, and NH; Y is selected from O+ and N, and R1 and R2 are each selected independently from among alkyl, lower alkenyl, lower alkynyl, lower haloalkyl, halide, pseudohalide or H, except that R2 is not halide. R3, R4 and R5 are selected from among groups that include hydrogen, halide, alkoxy, alkyl, haloalkyl; and R7 is selected from groups that include (CH2)rR18, in which r is 0 to 6 and R18 is selected from groups that include aryl, particularly pyrmidinyl and phenyl. The methods are effected by contacting endothelin receptors with one or more of the compounds or with compositions containing one or more of the compounds prior to, simultaneously with, or subsequent to contacting the receptors with an endothelin peptide.

Abstract: Formulations of pharmaceutically-acceptable salts of thienyl-, furyl- and pyrrolyl-sulfonamides and methods for modulating or altering the activity of the endothelin family of peptides using the formulations are provided. In particular, formulations of sodium salts of N-(isoxazolyl)-thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)-pyrrolylsulfonamides and methods using these sulfonamide salts for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide salt are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamide salts or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.

Abstract: Thienyl-, furyl- and pyrrolyl-sulfonamides, pharmaceutically-acceptable salts of sulfonamides, formulations of salts and the sulfonamides, and methods for modulating or altering the activity of the endothelin family of peptides using the formulations and sulfonamides are provided. In particular, formulations of sodium salts of N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)pyrrolylsulfonamides are provided. A process of preparing an alkali metal salt of a hydrophobic sulfonamide is provided. The process includes the step of dissolving a free sulfonamide in an organic solvent in the presence of a saturated alkali metal salt solution and recovering the formed sulfonamide salt from the organic phase.

Abstract: Thienyl-, furyl- and pyrrolyl-sulfonamides, formulations of pharmaceutically-acceptable salts thereof and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)pyrrolylsulfonamides, formulations thereof and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit the activity of endothelin are also provided.

Abstract: Phosphoramidates and phosphinic amides and related compounds are provided. Also provided are methods that use the compounds for modulating the activity of the endothelin family of peptides are provided. In particular, compounds having formula: in which A, B, R1 and R2 are as described are provided. Also provided are methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these compounds or prodrugs thereof. Methods for elucidating the physiological and pathophysiological roles of endothelin, as well as isolating endothelin receptors are also provided.

Abstract: N-(5-isoxazolyl)benzenesulfonamides and N-(3-isoxazolyl)benzenesulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(5-isoxazolyl)biphenylsulfonamides and N-(3-isoxazolyl)biphenylsulfonamides and methods for inhibiting the binding of an endothelin peptide to an endothelin receptor or increasing the activity of endothelin peptides by contacting the receptor with a sulfonamide are provided. N-isoxzolyl-4-biphenylsulfonamides are particularly preferred. These compounds exhibit activity as endothelin receptor B antagonists. Methods for treating endothelin-mediated disorders, particularly inflammatory diseases, such as asthma, by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.

Abstract: Thienyl-, furyl-, pyrrolyl- and phenylsulfonamides, formulations of pharmaceutically-acceptable derivatives thereof and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)furylsulfonamides, N-(isoxazolyl)pyrrolylsulfonamides and N-(isoxazolyl)phenylsulfonamides, formulations thereof and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or pharmaceutically acceptable derivatives thereof that inhibit the activity of endothelin are also provided.

Abstract: N-alkyl, N-alkenyl, N-alkynyl, N-aryl and N-fused bicyclo or tricyclo thienyl-, furyl- and pyrrolyl-sulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, (phenyl) and (phenoxy)thienylsulfonamides, (phenyl) and (phenoxy)furylsulfonamides, and (phenyl) and (phenoxy)pyrrolylsulfonamides and methods of using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.

Abstract: Methods, compositions, and compounds for modulating the activity of an endothelin peptide are provided. The methods use compositions that contain compounds that include those of the formula: where X is selected from groups that include O, S, and NH; Y is selected from O+ and N, and R1 and R2 are each selected independently from among alkyl, lower alkenyl, lower alkynyl, lower haloalkyl, halide, pseudohalide or H, except that R2 is not halide. R3, R4 and R5 are selected from among groups that include hydrogen, halide, alkoxy, alkyl, haloalkyl; and R7 is selected from groups that include (CH2)rR18, in which r is 0 to 6 and R18 is selected from groups that include aryl, particularly pyrimidinyl and phenyl. The methods are effected by contacting endothelin receptors with one or more of the compounds or with compositions containing one or more of the compounds prior to, simultaneously with, or subsequent to contacting the receptors with an endothelin peptide.

Abstract: Methods, compositions, and compounds for modulating the activity of an endothelin peptide are provided. The methods use compositions that contain compounds of formula (1): where X and Y are selected from groups that include O, S, and NH; and Ar1, Ar2 and Ar3 are independently selected from substituted or unsubstituted groups that include 5 to 6 membered aryl groups and heteroaryl groups that contain one or two heteroatom(s). The methods are effected by contacting endothelin receptors with one or more of the compounds or with compositions containing one or more of the compounds prior to, simultaneously with, or subsequent to contacting the receptors with an endothelin peptide.

Abstract: A method for the inhibition of the binding of &agr;4&bgr;1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions thereof; and the use of the compounds either as above, or in formulations for the control or prevention of diseases states in which &agr;4&bgr;1 is involved.

Abstract: A method for the inhibition of the binding of &agr;4&bgr;1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions comprising such compounds; and the use of such compounds either as above, or in formulations for the control or prevention of diseases states in which &agr;4&bgr;1 is involved.

Abstract: A method for the inhibition of the binding of .alpha..sub.4 .beta..sub.1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions comprising such compounds; and the use of such compounds either as above, or in formulations for the control or prevention of diseases states in which .alpha..sub.4 .beta..sub.1 is involved.

Abstract: The present invention is directed to an isolated and purified cyclic peptide of from 5 to about 13 residues modeled after a portion of the CS1 peptide. A peptide of this invention preferably has the amino acid residue sequence of SEQ ID NO:2-14 or 16-42. The present invention is further directed to a process of selectively inhibiting the binding of .alpha..sub.4 .beta..sub.1 integrin to a protein such as VCAM-1, fibronectin or invasin. In accordance with that process, a cell that expresses .alpha..sub.4 .beta..sub.1 integrin is exposed to that protein in the presence of an effective inhibiting amount of such a peptide. The present invention is still further directed to a pharmaceutical composition containing a physiologically acceptable carrier and a cyclic peptide of the invention.

Abstract: Methods, compositions, and compounds for modulating the activity of an endothelin pepuide are provided. The methods use compositions that contain compounds that include those of the formula: ##STR1## where X is selected from groups that include O, S, and NH; Y is selected from O.sup.+ and N, and R.sup.1 and R.sup.2 are each selected independently from among alkyl, lower allkenyl, lower alkynyl, lower haloalkyl, halide, pseudohalide or H, except that R.sup.2 is not halide. R.sup.3, R.sup.4 and R.sup.5 are selected from among groups that include hydrogen, halide, alkoxy, alkyl, haloalkyl; and R.sup.7 is selected from groups that include (CH.sub.2).sub.r R.sup.18, in which r is 0 to 6 and R.sup.18 is selected from groups that include aryl, particularly pyrimidinyl and phenyl.

Abstract: Methods, compositions, and compounds for modulating the activity of an endothelin peptide are provided. The methods use compositions that contain compounds of formula (I): ##STR1## where X and Y are selected from groups that include O, S, and NH; and Ar.sup.1, Ar.sup.2 and Ar.sup.3 are independently selected from substituted or unsubstituted groups that include 5 to 6 membered aryl groups and heteraryl groups that contain one or two heteroatom(s). The methods are effected by contacting endothelin receptors with one or more of the compounds or with compositions containing one or more of the compounds prior to, simultaneously with, or subsequent to contacting the receptors with an endothelin peptide.

Abstract: Thienyl-, furyl- and pyrrolyl-sulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)-furylsulfonamides and N-(isoxazolyl)pyrrolylsulfonamides and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.