Combinations of peroxisome proliferator-activated receptor (PPAR) activator(s) and sterol absorption inhibitors(s) and treatments for vascular indications

Abstract

The present invention provides compositions, therapeutic combinations and methods including: (a) at least one peroxisome proliferator-activated receptor activator; and (b) at least one substituted azetidinone or substituted β-lactam sterol absorption inhibitor which can be useful for treating vascular conditions, diabetes, obesity and lowering plasma levels of sterols.

1 . A composition comprising: 
 (a) at least one peroxisome proliferator-activated receptor activator; and    (b) at least one sterol absorption inhibitor selected from the group of compounds represented by Formulae (I) and (III)-(IX): 
 (1) a compound represented by Formula (I)  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (I) or of the isomers thereof, or prodrugs of the compounds of Formula (I) or of the isomers, salts or solvates thereof,  
 wherein in Formula (I) above:  
   Ar 1  and Ar 2  are independently selected from the group consisting of aryl and R 4 -substituted aryl;    Ar 3  is aryl or R 5 -substituted aryl;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    R and R 2  are independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9  and —O(CO)NR 6 R 7 ;    R 1  and R 3  are independently selected from the group consisting of hydrogen, lower alkyl and aryl;    q is 0 or 1;    r is 0 or 1;    m, n and p are independently selected from 0, 1, 2, 3 or 4; provided that at least one of q and r is 1, and the sum of m, n, p, q and r is 1, 2, 3, 4, 5 or 6; and provided that when p is 0 and r is 1, the sum of m, q and n is 1, 2, 3, 4 or 5;    R 4  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6 , —CH═CH—COOR 6 , —CF 3 , —CN, —NO 2  and halogen;    R 5  is 1-5 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl; and    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; 
 (2) a compound represented by Formula (III):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (III) or of the isomers thereof, or prodrugs of the compounds of Formula (III) or of the isomers, salts or solvates thereof, wherein, in Formula (III) above:  
   Ar 1  is R 3 -substituted aryl;    Ar 2  is R 4 -substituted aryl;    Ar 3  is R 5 -substituted aryl;    Y and Z are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    A is selected from —O—, —S—, —S(O)— or —S(O) 2 —;    R 1  is selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9  and —O(CO)NR 6 R 7 ; R 2  is selected from the group consisting of hydrogen, lower alkyl and aryl; or R 1  and R 2  together are ═O;    q is 1, 2 or 3;    p is 0, 1, 2, 3 or 4;    R 5  is 1-3 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 9 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 -lower alkyl, —NR 6 SO 2 -aryl, —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 -alkyl, S(O) 0-2 -aryl, —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , o-halogeno, m-halogeno, o-lower alkyl, m-lower alkyl, -(lower alkylene)-COOR 6 , and —CH═CH—COOR 6 ;    R 3  and R 4  are independently 1-3 substituents independently selected from the group consisting of R 5 , hydrogen, p-lower alkyl, aryl, —NO 2 , —CF 3  and p-halogeno;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl; and    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; 
 (3) a compound represented by Formula (IV):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (IV) or of the isomers thereof, or prodrugs of the compounds of Formula (IV) or of the isomers, salts or solvates thereof, wherein, in Formula (IV) above:  
   A is selected from the group consisting of R 2 -substituted heterocycloalkyl, R 2 -substituted heteroaryl, R 2 -substituted benzofused heterocycloalkyl, and R 2 -substituted benzofused heteroaryl;    Ar 1  is aryl or R 3 -substituted aryl;    Ar 2  is aryl or R 4 -substituted aryl;    Q is a bond or, with the 3-position ring carbon of the azetidinone, forms the spiro group                          and    R 1  is selected from the group consisting of: 
 —(CH 2 ) q —, wherein q is 2-6, provided that when Q forms a spiro ring, q can also be zero or 1;  
 —(CH 2 ) e -G-(CH 2 ) r —, wherein G is —O—, —C(O)—, phenylene, —NR 8 — or —S(O) 0-2 —, e is 0-5 and r is 0-5, provided that the sum of e and r is 1-6;  
 —(C 2 -C 6  alkenylene)-; and  
 —(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1-5 and g is 0-5, provided that the sum of f and g is 1-6;  
   R 5  is selected from:                          R 6  and R 7  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 5  together with an adjacent R 6 , or R 5  together with an adjacent R 7 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 6  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1; provided that when R 7  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1; provided that when a is 2 or 3, the R 6 's can be the same or different; and provided that when b is 2 or 3, the R 7 's can be the same or different;    and when Q is a bond, R 1  also can be selected from:                          where M is —O—, —S—, —S(O)— or —S(O) 2 —;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)- and —C(di-(C 1 -C 6 )alkyl);    R 10  and R 12  are independently selected from the group consisting of —OR 14 , —O(CO)R 14 , —O(CO)OR 16  and —O(CO)NR 14 R 15 ;    R 11  and R 13  are independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl and aryl; or R 10  and R 11  together are ═O, or R 12  and R 13  together are ═O;    d is 1, 2 or 3;    h is 0, 1, 2, 3 or 4;    s is 0 or 1; t is 0 or 1; m, n and p are independently 0-4; provided that at least one of s and t is 1, and the sum of m, n, p, s and t is 1-6; provided that when p is 0 and t is 1, the sum of m, s and n is 1-5; and provided that when p is 0 and s is 1, the sum of m, t and n is 1-5;    v is 0 or 1;    j and k are independently 1-5, provided that the sum of j, k and v is 1-5;    R 2  is 1-3 substituents on the ring carbon atoms selected from the group consisting of hydrogen, (C 1 -C 10 )alkyl, (C 2 -C 10 )alkenyl, (C 2 -C 10 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 3 -C 6 )cycloalkenyl, R 17 -substituted aryl, R 17 -substituted benzyl, R 17 -substituted benzyloxy, R 17 -substituted aryloxy, halogeno, —NR 14 R 15 , NR 14 R 15 (C 1 -C 6  alkylene)-, NR 14 R 15 C(O)(C 1 -C 6  alkylene)-, —NHC(O)R 16 , OH, C 1 -C 6  alkoxy, —OC(O)R 16 , —COR 14 , hydroxy(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy(C 1 -C 6 )alkyl, NO 2 , —S(O) 0-2 R 16 , —SO 2 NR 14 R 15  and —(C 1 -C 6  alkylene)COOR 14 ; when R 2  is a substituent on a heterocycloalkyl ring, R 2  is as defined, or is ═O or                          and, where R 2  is a substituent on a substitutable ring nitrogen, it is hydrogen, (C 1 -C 6 )alkyl, aryl, (C 1 -C 6 )alkoxy, aryloxy, (C 1 -C 6 )alkylcarbonyl, arylcarbonyl, hydroxy, —(CH 2 ) 1-6 CONR 18 R 18 ,                          wherein J is —O—, —NH—, —NR 18 — or —CH 2 —;    R 3  and R 4  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 14 , —O(CO)R 14 , —O(CO)OR 16 , —O(CH 2 ) 1-5 OR 14 , —O(CO)NR 14 R 15 , —NR 14 R 15 , —NR 14 (CO)R 15 , —NR 14 (CO)OR 16 , —NR 14 (CO)NR 15 R 19 , —NR 14 SO 2 R 16 , —COOR 14 , —CONR 14 R 15 , —COR 14 , —SO 2 NR 14 R 15 , S(O) 0-2 R 16 , —O(CH 2 ) 1-10 —COOR 14 , —O(CH 2 ) 1-10 CONR 14 R 15 , —(C 1 -C 6  alkylene)-COOR , —CH═CH—COOR 14 , —CF 3 , —CN, —NO 2  and halogen;    R 8  is hydrogen, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 14  or —COOR 14 ;    R 9  and R 17  are independently 1-3 groups independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 14 R 15 , OH and halogeno;    R 14  and R 15  are independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 16  is (C 1 -C 6 )alkyl, aryl or R 17 -substituted aryl;    R 18  is hydrogen or (C 1 -C 6 )alkyl; and    R 19  is hydrogen, hydroxy or (C 1 -C 6 )alkoxy; 
 (4) represented by Formula (V):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (V) or of the isomers thereof, or prodrugs of the compounds of Formula (V) or of the isomers, salts or solvates thereof, wherein, in Formula (V) above:  
   Ar 1  is aryl, R 10 -substituted aryl or heteroaryl;    Ar 2  is aryl or R 4 -substituted aryl;    Ar 3 is aryl or R 5 -substituted aryl;    X and Y are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    R is —OR 6 , —O(CO)R 6 , —O(CO)OR 9  or —O(CO)NR 6 R 7 ; R 1  is hydrogen, lower alkyl or aryl; or R and R 1  together are ═O;    q is 0 or 1;    r is 0, 1 or 2;    m and n are independently 0, 1, 2, 3, 4 or 5; provided that the sum of m, n and q is 1, 2, 3, 4or 5;    R 4  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 5  is 1-5 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR(CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , —CF 3 , —CN, —NO 2 , halogen, -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl;    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; and    R 10  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , —S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , —CF 3 , —CN, —NO 2  and halogen; 
 (5) a compound represented by Formula (VI):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VI) or of the isomers thereof, or prodrugs of the compounds of Formula (VI) or of the isomers, salts or solvates thereof, wherein in Formula VI above:  
   R 1  is                          R 2  and R 3  are independently selected from the group consisting of: —CH 2 —, —CH(lower alkyl)-, —C(di-lower alkyl)-, —CH═CH— and —C(lower alkyl)=CH—; or R 1  together with an adjacent R 2 , or R 1  together with an adjacent R 3 , form a —CH═CH— or a —CH═C(lower alkyl)- group;    u and v are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 2  is —CH═CH— or —C(lower alkyl)=CH—, v is 1; provided that when R 3  is —CH═CH— or —C(lower alkyl)=CH—, u is 1; provided that when v is 2 or 3, the R 2 's can be the same or different; and provided that when u is 2 or 3, the R 3 's can be the same or different;    R 4  is selected from B—(CH 2 ) m C(O)—, wherein m is 0, 1, 2, 3, 4 or 5;    B—(CH 2 ) q —, wherein q is 0, 1, 2, 3, 4, 5 or 6;    B—(CH 2 ) e -Z-(CH 2 ) r —, wherein Z is —O—, —C(O)—, phenylene, —N(R 8 )— or —S(O) 0-2 —, e is 0, 1, 2, 3, 4 or 5 and r is 0, 1, 2, 3, 4 or 5, provided that the sum of e and r is 0, 1, 2, 3, 4, 5 or 6;    B—(C 2 -C 6  alkenylene)-;    B—(C 4 -C 6  alkadienylene)-;    B—(CH 2 ) t -Z-(C 2 -C 6  alkenylene)-, wherein Z is as defined above, and wherein t is 0, 1, 2 or 3, provided that the sum of t and the number of carbon atoms in the alkenylene chain is 2, 3, 4, 5 or 6;    B—(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1, 2, 3, 4 or 5 and g is 0, 1, 2, 3, 4 or 5, provided that the sum of f and g is 1, 2, 3, 4, 5 or 6;    B—(CH 2 ) t —V—(C 2 -C 6  alkenylene)- or    B—(C 2 -C 6  alkenylene)-V—(CH 2 ) t —, wherein V and t are as defined above, provided that the sum of t and the number of carbon atoms in the alkenylene chain is 2, 3, 4, 5 or 6; B—(CH 2 ) a -Z-(CH 2 ) b —V—(CH 2 ) d —, wherein Z and V are as defined above and a, b and d are independently 0, 1, 2, 3, 4, 5 or 6, provided that the sum of a, b and d is 0, 1, 2, 3, 4, 5 or 6; or T-(CH 2 ) s —, wherein T is cycloalkyl of 3-6 carbon atoms and s is 0, 1, 2, 3, 4, 5 or 6; or    R 1  and R 4  together form the group                          B is selected from indanyl, indenyl, naphthyl, tetrahydronaphthyl, heteroaryl or W-substituted heteroaryl, wherein heteroaryl is selected from the group consisting of pyrrolyl, pyridinyl, pyrimidinyl, pyrazinyl, triazinyl, imidazolyl, thiazolyl, pyrazolyl, thienyl, oxazolyl and furanyl, and for nitrogen-containing heteroaryls, the N-oxides thereof, or                          W is 1 to 3 substituents independently selected from the group consisting of lower alkyl, hydroxy lower alkyl, lower alkoxy, alkoxyalkyl, alkoxyalkoxy, alkoxycarbonylalkoxy, (lower alkoxyimino)-lower alkyl, lower alkanedioyl, lower alkyl lower alkanedioyl, allyloxy, —CF 3 , —OCF 3 , benzyl, R 7 -benzyl, benzyloxy, R 7 -benzyloxy, phenoxy, R 7 -phenoxy, dioxolanyl, NO 2 , —N(R 8 )(R 9 ), N(R 8 )(R 9 )-lower alkylene-, N(R 8 )(R 9 )-lower alkylenyloxy-, OH, halogeno, —CN, —N 3 , —NHC(O)OR 10 , —NHC(O)R 10 , R 11 O 2 SNH—, (R 11 O 2 S) 2 N—, —S(O) 2 NH 2 , —S(O) 0-2 R 8 , tert-butyldimethyl-silyloxymethyl, —C(O)R 12 , —COOR 19 , —CON(R 8 )(R 9 ), —CH═CHC(O)R 12 , -lower alkylene-C(O)R 12 , R 10 C(O)(lower alkylenyloxy)-, N(R 8 )(R 9 )C(O)(lower alkylenyloxy)- and                          for substitution on ring carbon atoms, and the substituents on the substituted heteroaryl ring nitrogen atoms, when present, are selected from the group consisting of lower alkyl, lower alkoxy, —C(O)OR 10 , —C(O)R 10 , OH, N(R 8 )(R 9 )-lower alkylene-,N(R 8 )(R 9 )-lower alkylenyloxy-, —S(O) 2 NH 2  and 2-(trimethylsilyl)-ethoxymethyl;    R 7  is 1-3 groups independently selected from the group consisting of lower alkyl, lower alkoxy, —COOH, NO 2 , —N(R 8 )(R 9 ), OH, and halogeno;    R 8  and R 9  are independently selected from H or lower alkyl;    R 10  is selected from lower alkyl, phenyl, R 7 -phenyl, benzyl or R 7 -benzyl;    R 11  is selected from OH, lower alkyl, phenyl, benzyl, R 7 -phenyl or R 7 -benzyl;    R 12  is selected from H, OH, alkoxy, phenoxy, benzyloxy,                          —N(R 8 )(R 9 ), lower alkyl, phenyl or R 7 -phenyl;    R 13  is selected from —O—, —CH 2 —, —NH—, —N(lower alkyl)- or —NC(O)R 19 ;    R 15 , R 16  and R 17  are independently selected from the group consisting of H and the groups defined for W; or R 15  is hydrogen and R 16  and R 17 , together with adjacent carbon atoms to which they are attached, form a dioxolanyl ring;    R 19  is H, lower alkyl, phenyl or phenyl lower alkyl; and    R 20  and R 21  are independently selected from the group consisting of phenyl, W-substituted phenyl, naphthyl, W-substituted naphthyl, indanyl, indenyl, tetrahydronaphthyl, benzodioxolyl, heteroaryl, W-substituted heteroaryl, benzofused heteroaryl, W-substituted benzofused heteroaryl and cyclopropyl, wherein heteroaryl is as defined above; 
 (6) a compound represented by Formula (VII):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VII) or of the isomers thereof, or prodrugs of the compounds of Formula (VII) or of the isomers, salts or solvates thereof, wherein in Formula (VII):  
   A is —CH═CH—, —C≡C— or —(CH 2 ) p — wherein p is 0, 1 or 2;    B is                          E is C 10  to C 20  alkyl or —C(O)—(C 9  to C 19 )-alkyl, wherein the alkyl is straight or branched, saturated or containing one or more double bonds;    R is hydrogen, C 1 -C 15  alkyl, straight or branched, saturated or containing one or more double bonds, or B—(CH 2 ) r —, wherein r is 0, 1, 2, or 3;    R 1 , R 2 , and R 3  are independently selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, carboxy, NO 2 , NH 2 , OH, halogeno, lower alkylamino, dilower alkylamino, —NHC(O)OR 5 , R 6 O 2 SNH— and —S(O) 2 NH 2 ;    R 4  is                          wherein n is 0, 1, 2 or 3;    R 5  is lower alkyl; and    R 6  is OH, lower alkyl, phenyl, benzyl or substituted phenyl wherein the substituents are 1-3 groups independently selected from the group consisting of lower alkyl, lower alkoxy, carboxy, NO 2 , NH 2 , OH, halogeno, lower alkylamino and dilower alkylamino; 
 (7) a compound represented by Formula (VIII):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VIII) or of the isomers thereof, or prodrugs of the compounds of Formula (VII) or of the isomers, salts or solvates thereof, wherein, in Formula (VIII) above,  
   R 26  is H or OG 1 ;    G and G 1  are independently selected from the group consisting of                          provided that when R 26  is H or OH, G is not H;    R, R a  and R b  are independently selected from the group consisting of H, —OH, halogeno, —NH 2 , azido, (C 1 -C 6 )alkoxy(C 1 -C 6 )-alkoxy or —W—R 30 ;    W is independently selected from the group consisting of —NH—C(O)—, —O—C(O)—, —O—C(O)—N(R 31 )—, —NH—C(O)—N(R 31 )— and —O—C(S)—N(R 31 )—;    R 2  and R 6  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl(C 1 -C 6 )alkyl;    R 3 , R 4 , R 5 , R 7 , R 3a  and R 4a  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)(C 1 -C 6 )alkyl and —C(O)aryl;    R 30  is selected from the group consisting of R 32 -substituted T, R 32 -substituted-T-(C 1 -C 6 )alkyl, R 32 -substituted-(C 2 -C 4 )alkenyl, R 32 -substituted-(C 1 -C 6 )alkyl, R 32 -substituted-(C 3 -C 7 )cycloalkyl and R 32 -substituted-(C 3 -C 7 )cycloalkyl(C 1 -C 6 )alkyl;    R 31  is selected from the group consisting of H and (C 1 -C 4 )alkyl;    T is selected from the group consisting of phenyl, furyl, thienyl, pyrrolyl, oxazolyl, isoxazolyl, thiazolyl, iosthiazolyl, benzothiazolyl, thiadiazolyl, pyrazolyl, imidazolyl and pyridyl;    R 32  is independently selected from 1-3 substituents independently selected from the group consisting of halogeno, (C 1 -C 4 )alkyl, —OH, phenoxy, —CF 3 , —NO 2 , (C 1 -C 4 )alkoxy, methylenedioxy, oxo, (C 1 -C 4 )alkylsulfanyl, (C 1 -C 4 )alkylsulfinyl, (C 1 -C 4 )alkylsulfonyl, —N(CH 3 ) 2 , —C(O)—NH(C 1 -C 4 )alkyl, —C(O)—N((C 1 -C 4 )alkyl) 2 , —C(O)—(C 1 -C 4 )alkyl, —C(O)—(C 1 -C 4 )alkoxy and pyrrolidinylcarbonyl; or R 32  is a covalent bond and R 31 , the nitrogen to which it is attached and R 32  form a pyrrolidinyl, piperidinyl, N-methyl-piperazinyl, indolinyl or morpholinyl group, or a (C 1 -C 4 )alkoxycarbonyl-substituted pyrrolidinyl, piperidinyl, N-methylpiperazinyl, indolinyl or morpholinyl group;    Ar 1  is aryl or R 10 -substituted aryl;    Ar 2  is aryl or R 11 -substituted aryl;    Q is a bond or, with the 3-position ring carbon of the azetidinone, forms the spiro group                          and    R 1  is selected from the group consisting of 
 —(CH 2 ) q —, wherein q is 2-6, provided that when Q forms a spiro ring, q can also be zero or 1;  
 —(CH 2 ) e -E-(CH 2 ) r —, wherein E is —O—, —C(O)—, phenylene, —NR 22 — or —S(O) 0-2 —, e is 0-5 and r is 0-5, provided that the sum of e and r is 1-6;  
 —(C 2 -C 6 )alkenylene-; and  
 —(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1-5 and g is 0-5, provided that the sum of f and g is 1-6;  
   R 12  is                          R 13  and R 14  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 12  together with an adjacent R 13 , or R 12  together with an adjacent R 14 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero;    provided that when R 13  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1;    provided that when R 14  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1;    provided that when a is 2 or 3, the R 13 's can be the same or different; and    provided that when b is 2 or 3, the R 14 's can be the same or different;    and when Q is a bond, R 1  also can be:                          M is —O—, —S—, —S(O)— or —S(O) 2 —;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6 )alkyl- and —C(di-(C 1 -C 6 )alkyl);    R 10  and R 11  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 19 , —O(CO)R 19 , —O(CO)OR 21 , —O(CH 2 ) 1-5 OR 19 , —O(CO)NR 19 R 20 , —NR 19 R 20 , —NR 19 (CO)R 20 , —NR 19 (CO)OR 21 , —NR 19 (CO)NR 20 R 25 , —NR 19 SO 2 R 21 , —COOR 19 , —CONR 19 R 20 , —COR 19 , —SO 2 NR 19 R 20 , S(O) 0-2 R 21 , —O(CH 2 ) 1-10 —COOR 19 , —O(CH 2 ) 1-10 CONR 19 R 20 , —(C 1 -C 6  alkylene)-COOR 19 , —CH═CH—COOR 19 , —CF 3 , —CN, —NO 2  and halogen;    R 15  and R 17  are independently selected from the group consisting of —OR 19 , —O(CO)R 19 , —O(CO)OR 21  and —O(CO)NR 19 R 20 ;    R 16  and R 18  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl and aryl; or R 15  and R 16  together are ═O, or R 17  and R 18  together are ═O;    d is 1, 2 or 3;    h is 0, 1, 2, 3 or 4;    s is 0 or 1; t is 0 or 1; m, n and p are independently 0-4;    provided that at least one of s and t is 1, and the sum of m, n, p, s and t is 1-6;    provided that when p is 0 and t is 1, the sum of m, s and n is 1-5; and provided that when p is 0 and s is 1, the sum of m, t and n is 1-5;    v is 0 or 1;    j and k are independently 1-5, provided that the sum of j, k and v is 1-5;    and when Q is a bond and R 1  is                          Ar 1  can also be pyridyl, isoxazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, thiazolyl, pyrazinyl, pyrimidinyl or pyridazinyl;    R 19  and R 20  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 21  is (C 1 -C 6 )alkyl, aryl or R 24 -substituted aryl;    R 22  is H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 19  or —COOR 19 ;    R 23  and R 24  are independently 1-3 groups independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 19 R 20 , —OH and halogeno; and    R 25  is H, —OH or (C 1 -C 6 )alkoxy; and    (8) a compound represented by Formula (IX):                          or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (IX) or of the isomers thereof, or prodrugs of the compounds of Formula (IX) or of the isomers, salts or solvates thereof, wherein, in Formula (IX) above,    R 26  is selected from the group consisting of: 
 a) OH;  
 b) OCH 3 ;  
 c) fluorine and  
 d) chlorine;  
   R 1  is selected from the group consisting of                          —SO 3 H; natural and unnatural amino acids;    R, R a  and R b  are independently selected from the group consisting of H, —OH, halogeno, —NH 2 , azido, (C 1 -C 6 )alkoxy(C 1 -C 6 )-alkoxy and —W—R 30 ;    W is independently selected from the group consisting of —NH—C(O)—, —O—C(O)—, —O—C(O)—N(R 31 )—, —NH—C(O)—N(R 31 )— and —O—C(S)—N(R 31 )—;    R 2  and R 6  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl(C 1 -C 6 )alkyl;    R 3 , R 4 , R 5 , R 7 , R 3a  and R 4a  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)(C 1 -C 6 )alkyl and —C(O)aryl;    R 30  is independently selected form the group consisting of R 32 -substituted T, R 32 -substituted-T-(C 1 -C 6 )alkyl, R 32 -substituted-(C 2 -C 4 )alkenyl, R 32 -substituted-(C 1 -C 6 )alkyl, R 32 -substituted-(C 3 -C 7 )cycloalkyl and R 32 -substituted-(C 3 -C 7 )cycloalkyl(C 1 -C 6 )alkyl;    R 31  is independently selected from the group consisting of H and (C 1 -C 4 )alkyl;    T is independently selected from the group consisting of phenyl, furyl, thienyl, pyrrolyl, oxazolyl, isoxazolyl, thiazolyl, iosthiazolyl, benzothiazolyl, thiadiazolyl, pyrazolyl, imidazolyl and pyridyl;    R 32  is independently selected from 1-3 substituents independently selected from the group consisting of H, halogeno, (C 1 -C 4 )alkyl, —OH, phenoxy, —CF 3 , —NO 2 , (C 1 -C 4 )alkoxy, methylenedioxy, oxo, (C 1 -C 4 )alkylsulfanyl, (C 1 -C 4 )alkylsulfinyl, (C 1 -C 4 )alkylsulfonyl, —N(CH 3 ) 2 , —C(O)—NH(C 1 -C 4 )alkyl, —C(O)—N((C 1 -C 4 )alkyl) 2 , —C(O)—(C 1 -C 4 )alkyl, —C(O)—(C 1 -C 4 )alkoxy and pyrrolidinylcarbonyl; or R 32  is a covalent bond and R 31 , the nitrogen to which it is attached and R 32  form a pyrrolidinyl, piperidinyl, N-methyl-piperazinyl, indolinyl or morpholinyl group, or a (C 1 -C 4 )alkoxycarbonyl-substituted pyrrolidinyl, piperidinyl, N-methylpiperazinyl, indolinyl or morpholinyl group;    Ar 1  is aryl, R 10 -substituted aryl; pyridyl, isoxazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, thiazolyl, pyrazinyl, pyrimidinyl or pyridazinyl;    Ar 2  is aryl or R 11 -substituted aryl;    Q is —(CH 2 ) q —, wherein q is 2-6, or, with the 3-position ring carbon of the azetidinone,    forms the spiro group                          R 12  is                          R 13  and R 14  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 12  together with an adjacent R 13 , or R 12  together with an adjacent R 14 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 13  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1; provided that when R 14  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1; provided that when a is 2 or 3, the R 13 's can be the same or different; and provided that when b is 2 or 3, the R 14 's can be the same or different;    R 10  and R 11  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 19 , —O(CO)R 19 , —O(CO)OR 21 , —O(CH 2 ) 1-5 OR 19 , —O(CO)NR 19 R 20 , —NR 19 R 20 , —NR 19 (CO)R 20 , —NR 19 (CO)OR 21 , —NR 19 (CO)NR 20 R 25 , —NR 19 SO 2 R 21 , —COOR 19 , —CONR 19 R 20 , —COR 19 , —SO 2 NR 19 R 20 , —S(O) 0-2 R 21 , —O(CH 2 ) 1-10 —COOR 19 , —O(CH 2 ) 1-10 CONR 19 R 20 , —(C 1 -C 6  alkylene)-COOR 19 , —CH═CH—COOR 19 , —CF 3 , —CN, —NO 2  and halogen;    R 19  and R 20  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 21  is (C 1 -C 6 )alkyl, aryl or R 24 -substituted aryl;    R 22  is H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 19  or —COOR 19 ;    R 23  and R 24  are independently 1-3 groups independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 19 R 20 , —OH and halogeno; and    R 25  is H, —OH or (C 1 -C 6 )alkoxy.    
     
     
         2 . The composition according to  claim 1 , wherein the peroxisome proliferator-activated receptor activator is selected from the group consisting of fenofibrate, clofibrate, gemfibrozil, ciprofibrate, bezafibrate, clinofibrate, binifibrate, lifibrol and mixtures thereof.  
     
     
         3 . The composition according to  claim 2 , wherein the peroxisome proliferator-activated receptor activator comprises fenofibrate.  
     
     
         4 . The composition according to  claim 1 , wherein the sterol absorption inhibitor is represented by Formula (II) below:  
       
         
           
           
               
               
           
         
       
       or pharmaceutically acceptable salt or solvate thereof, or prodrug of the compound of Formula (II) or of the salt or solvate thereof.  
     
     
         5 . The composition according to  claim 1 , further comprising at least one cholesterol biosynthesis inhibitor.  
     
     
         6 . The composition according to  claim 5 , wherein the at least one cholesterol biosynthesis inhibitor is selected from the group consisting of lovastatin, pravastatin, fluvastatin, simvastatin, atorvastatin, rosuvastatin, cerivastatin and mixtures thereof.  
     
     
         7 . The composition according to  claim 6 , wherein the at least one cholesterol biosynthesis inhibitor is simvastatin.  
     
     
         8 . The composition according to  claim 1 , further comprising at least one bile acid sequestrant.  
     
     
         9 . The composition according to  claim 1 , further comprising nicotinic acid or a derivative thereof.  
     
     
         10 . The composition according to  claim 1 , further comprising at least one AcylCoA:Cholesterol O-acyltransferase Inhibitor.  
     
     
         11 . The composition according to  claim 1 , further comprising at least one low-density lipoprotein receptor activator.  
     
     
         12 . The composition according to  claim 1 , further comprising at least one Omega 3 fatty acid.  
     
     
         13 . The composition according to  claim 1 , further comprising at least one of plant sterols, plant stanols or fatty acid esters of plant stanols.  
     
     
         14 . The composition according to  claim 1 , further comprising at least one obesity control medication.  
     
     
         15 . The composition according to  claim 1 , further comprising at least one blood modifier.  
     
     
         16 . The composition according to  claim 1 , further comprising at least one antidiabetic medication.  
     
     
         17 . A pharmaceutical composition for the treatment of a vascular condition, diabetes, obesity or lowering a concentration of a sterol in plasma of a mammal, comprising a therapeutically effective amount of the composition of  claim 1  and a pharmaceutically acceptable carrier.  
     
     
         18 . A therapeutic combination comprising: 
 (a) a first amount of at least one peroxisome proliferator-activated receptor activator; and    (b) a second amount of at least one sterol absorption inhibitor selected from the group of compounds represented by Formulae (I) and (III)-(IX): 
 (1) a compound represented by Formula (I):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (I) or of the isomers thereof, or prodrugs of the compounds of Formula (I) or of the isomers, salts or solvates thereof,  
 wherein:  
   Ar 1  and Ar 2  are independently selected from the group consisting of aryl and R 4 -substituted aryl;    Ar 3  is aryl or R 5 -substituted aryl;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    R and R 2  are independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9  and —O(CO)NR 6 R 7 ;    R 1  and R 3  are independently selected from the group consisting of hydrogen, lower alkyl and aryl;    q is 0 or 1;    r is 0 or 1;    m, n and p are independently selected from 0, 1, 2, 3 or 4; provided that at least one of q and r is 1, and the sum of m, n, p, q and r is 1, 2, 3, 4, 5 or 6; and provided that when p is 0 and r is 1, the sum of m, q and n is 1, 2, 3, 4 or 5;    R 4  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6 , —CH═CH—COOR 6 , —CF 3 , —CN, —NO 2  and halogen;    R 5  is 1-5 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl; and    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; 
 (2) a compound represented by Formula (III):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (III) or of the isomers thereof, or prodrugs of the compounds of Formula (III) or of the isomers, salts or solvates thereof, wherein, in Formula (III) above:  
   Ar 1  is R 3 -substituted aryl;    Ar 2  is R 4 -substituted aryl;    Ar 3  is R 5 -substituted aryl;    Y and Z are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    A is selected from —O—, —S—, —S(O)— or —S(O) 2 —;    R 1  is selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9  and —O(CO)NR 6 R 7 ; R 2  is selected from the group consisting of hydrogen, lower alkyl and aryl; or R 1  and R 2  together are ═O;    q is 1, 2 or 3;    p is 0, 1, 2, 3 or 4;    R 5  is 1-3 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 9 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 -lower alkyl, —NR 6 SO 2 -aryl, —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 -alkyl, S(O) 0-2 -aryl, —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , o-halogeno, m-halogeno, o-lower alkyl, m-lower alkyl, -(lower alkylene)-COOR 6 , and —CH═CH—COOR 6 ;    R 3  and R 4  are independently 1-3 substituents independently selected from the group consisting of R 5 , hydrogen, p-lower alkyl, aryl, —NO 2 , —CF 3  and p-halogeno;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl; and    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; 
 (3) a compound represented by Formula (IV):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (IV) or of the isomers thereof, or prodrugs of the compounds of Formula (IV) or of the isomers, salts or solvates thereof, wherein, in Formula (IV) above:  
   A is selected from the group consisting of R 2 -substituted heterocycloalkyl, R 2 -substituted heteroaryl, R 2 -substituted benzofused heterocycloalkyl, and R 2 -substituted benzofused heteroaryl;    Ar 1  is aryl or R 3 -substituted aryl;    Ar 2  is aryl or R 4 -substituted aryl;    Q is a bond or, with the 3-position ring carbon of the azetidinone, forms the spiro group                          and    R 1  is selected from the group consisting of: 
 —(CH 2 ) q —, wherein q is 2-6, provided that when Q forms a spiro ring, q can also be zero or 1;  
 —(CH 2 ) e -G-(CH 2 ) r , wherein G is —O—, —C(O)—, phenylene, —NR 8 — or —S(O) 0-2 —, e is 0-5 and r is 0-5, provided that the sum of e and r is 1-6;  
 —(C 2 -C 6  alkenylene)-; and  
 —(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1-5 and g is 0-5, provided that the sum of f and g is 1-6;  
   R 5  is selected from:                          R 6  and R 7  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 5  together with an adjacent R 6 , or R 5  together with an adjacent R 7 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 6  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1; provided that when R 7  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1; provided that when a is 2 or 3, the R 6 's can be the same or different; and provided that when b is 2 or 3, the R 7 's can be the same or different;    and when Q is a bond, R 1  also can be selected from:                          where M is —O—, —S—, —S(O)— or —S(O) 2 —;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)- and —C(di-(C 1 -C 6 )alkyl);    R 10  and R 12  are independently selected from the group consisting of —OR 14 , —O(CO)R 14 , —O(CO)OR 16  and —O(CO)NR 14 R 15 ;    R 11  and R 13  are independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl and aryl; or R 10  and R 11  together are ═O, or R 12  and R 13  together are ═O;    d is 1, 2 or 3;    h is 0, 1, 2, 3 or 4;    s is 0 or 1; t is 0 or 1; m, n and p are independently 0-4; provided that at least one of s and t is 1, and the sum of m, n, p, s and t is 1-6; provided that when p is 0 and t is 1, the sum of m, s and n is 1-5; and provided that when p is 0 and s is 1, the sum of m, t and n is 1-5;    v is 0 or 1;    j and k are independently 1-5, provided that the sum of j, k and v is 1-5;    R 2  is 1-3 substituents on the ring carbon atoms selected from the group consisting of hydrogen, (C 1 -C 10 )alkyl, (C 2 -C 10 )alkenyl, (C 2 -C 10 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 3 -C 6 )cycloalkenyl, R 17 -substituted aryl, R 17 -substituted benzyl, R 17 -substituted benzyloxy, R 17 -substituted aryloxy, halogeno, —NR 14 R 15 , NR 14 R 15 (C 1 -C 6  alkylene)-, NR 14 R 15 C(O)(C 1 -C 6  alkylene)-, —NHC(O)R 16 , OH, C 1 -C 6  alkoxy, —OC(O)R 16 , —COR 14 , hydroxy(C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy(C 1 -C 6 )alkyl, NO 2 , —S(O) 0-2 R 16 , —SO 2 NR 14 R 15  and —(C 1 -C 6  alkylene)COOR 14 ; when R 2  is a substituent on a heterocycloalkyl ring, R 2  is as defined, or is ═O or                          and, where R 2  is a substituent on a substitutable ring nitrogen, it is hydrogen, (C 1 -C 6 )alkyl, aryl, (C 1 -C 6 )alkoxy, aryloxy, (C 1 -C 6 )alkylcarbonyl, arylcarbonyl, hydroxy, —(CH 2 ) 1-6 CONR 18 R 18 ,                          wherein J is —O—, —NH—, —NR 18 — or —CH 2 —;    R 3  and R 4  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 14 , —O(CO)R 14 , —O(CO)OR 16 , —O(CH 2 ) 1-5 OR 14 , —O(CO)NR 14 R 15 , —NR 14 R 15 , —NR 14 (CO)R 15 , —NR 14 (CO)OR 16 , —NR 14 (CO)NR 15 R 19 , —NR 14 SO 2 R 16 , —COOR 14 , —CONR 14 R 15 , —COR 14 , —SO 2 NR 14 R 15 , S(O) 0-2 R 16 , —O(CH 2 ) 1-10 —COOR 14 , —O(CH 2 ) 1-10 CONR 14 R 15 , —(C 1 -C 6  alkylene)-COOR 14 , —CH═CH—COOR 14 , —CF 3 , —CN, —NO 2  and halogen;    R 8  is hydrogen, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 14  or —COOR 14 ;    R 9  and R 17  are independently 1-3 groups independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 14 R 15 , OH and halogeno;    R 14  and R 15  are independently selected from the group consisting of hydrogen, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 16  is (C 1 -C 6 )alkyl, aryl or R 17 -substituted aryl;    R 18  is hydrogen or (C 1 -C 6 )alkyl; and    R 19  is hydrogen, hydroxy or (C 1 -C 6 )alkoxy; 
 (4) a compound represented by Formula (V):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (V) or of the isomers thereof, or prodrugs of the compounds of Formula (V) or of the isomers, salts or solvates thereof, wherein, in Formula (V) above:  
   Ar 1  is aryl, R 10 -substituted aryl or heteroaryl;    Ar 2  is aryl or R 4 -substituted aryl;    Ar 3  is aryl or R 5 -substituted aryl;    X and Y are independently selected from the group consisting of —CH 2 —, —CH(lower alkyl)- and —C(dilower alkyl)-;    R is —OR 6 , —O(CO)R 6 , —O(CO)OR 9  or —O(CO)NR 6 R 7 ; R 1  is hydrogen, lower alkyl or aryl; or R and R 1  together are ═O;    q is 0 or 1;    r is 0, 1 or 2;    m and n are independently 0, 1, 2, 3, 4 or 5; provided that the sum of m, n and q is 1, 2, 3, 4 or 5;    R 4  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 5  is 1-5 substituents independently selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , —CF 3 , —CN, —NO 2 , halogen, -(lower alkylene)COOR 6  and —CH═CH—COOR 6 ;    R 6 , R 7  and R 8  are independently selected from the group consisting of hydrogen, lower alkyl, aryl and aryl-substituted lower alkyl;    R 9  is lower alkyl, aryl or aryl-substituted lower alkyl; and    R 10  is 1-5 substituents independently selected from the group consisting of lower alkyl, —OR 6 , —O(CO)R 6 , —O(CO)OR 9 , —O(CH 2 ) 1-5 OR 6 , —O(CO)NR 6 R 7 , —NR 6 R 7 , —NR 6 (CO)R 7 , —NR 6 (CO)OR 9 , —NR 6 (CO)NR 7 R 8 , —NR 6 SO 2 R 9 , —COOR 6 , —CONR 6 R 7 , —COR 6 , —SO 2 NR 6 R 7 , —S(O) 0-2 R 9 , —O(CH 2 ) 1-10 —COOR 6 , —O(CH 2 ) 1-10 CONR 6 R 7 , —CF 3 , —CN, —NO 2  and halogen;    (5) a compound represented by Formula (VI):                          is or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VI) or of the isomers thereof, or prodrugs of the compounds of Formula (VI) or of the isomers, salts or solvates thereof, wherein in Formula VI above:    R 1  is                          R 2  and R 3  are independently selected from the group consisting of: —CH 2 —, —CH(lower alkyl)-, —C(di-lower alkyl)-, —CH═CH— and —C(lower alkyl)=CH—; or R 1  together with an adjacent R 2 , or R 1  together with an adjacent R 3 , form a —CH═CH— or a —CH═C(lower alkyl)- group;    u and v are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 2  is —CH═CH— or —C(lower alkyl)=CH—, v is 1; provided that when R 3  is —CH═CH— or —C(lower alkyl)=CH—, u is 1; provided that when v is 2 or 3, the R 2 's can be the same or different; and provided that when u is 2 or 3, the R 3 's can be the same or different;    R 4  is selected from B—(CH 2 ) m C(O)—, wherein m is 0, 1, 2, 3, 4 or 5;    B—(CH 2 ) q —, wherein q is 0, 1, 2, 3, 4, 5 or 6;    B—(CH 2 ) e -Z-(CH 2 ) r —, wherein Z is —O—, —C(O)—, phenylene, —N(R 8 )— or —S(O) 0-2 —, e is 0, 1, 2, 3, 4 or 5 and r is 0, 1, 2, 3, 4 or 5, provided that the sum of e and r is 0, 1, 2, 3, 4, 5 or 6;    B—(C 2 -C 6  alkenylene)-;    B—(C 4 -C 6  alkadienylene)-;    B—(CH 2 ) t -Z-(C 2 -C 6  alkenylene)-, wherein Z is as defined above, and wherein t is 0, 1, 2 or 3, provided that the sum of t and the number of carbon atoms in the alkenylene chain is 2, 3, 4, 5 or 6;    B—(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1, 2, 3, 4 or 5 and g is 0, 1, 2, 3, 4 or 5, provided that the sum of f and g is 1, 2, 3, 4, 5 or 6;    B—(CH 2 ) t —V—(C 2 -C 6  alkenylene)- or    B—(C 2 -C 6  alkenylene)-V—(CH 2 ) t —, wherein V and t are as defined above, provided that the sum of t and the number of carbon atoms in the alkenylene chain is 2, 3, 4, 5 or 6; B—(CH 2 ) a -Z-(CH 2 ) b —V—(CH 2 ) d —, wherein Z and V are as defined above and a, b and d are independently 0, 1, 2, 3, 4, 5 or 6, provided that the sum of a, b and d is 0, 1, 2, 3, 4, 5 or 6; or T-(CH 2 ) s —, wherein T is cycloalkyl of 3-6 carbon atoms and s is 0, 1, 2, 3, 4, 5 or 6; or    R 1  and R 4  together form the group                          B is selected from indanyl, indenyl, naphthyl, tetrahydronaphthyl, heteroaryl or W-substituted heteroaryl, wherein heteroaryl is selected from the group consisting of pyrrolyl, pyridinyl, pyrimidinyl, pyrazinyl, triazinyl, imidazolyl, thiazolyl, pyrazolyl, thienyl, oxazolyl and furanyl, and for nitrogen-containing heteroaryls, the N-oxides thereof, or                          W is 1 to 3 substituents independently selected from the group consisting of lower alkyl, hydroxy lower alkyl, lower alkoxy, alkoxyalkyl, alkoxyalkoxy, alkoxycarbonylalkoxy, (lower alkoxyimino)-lower alkyl, lower alkanedioyl, lower alkyl lower alkanedioyl, allyloxy, —CF 3 , —OCF 3 , benzyl, R 7 -benzyl, benzyloxy, R 7 -benzyloxy, phenoxy, R 7 -phenoxy, dioxolanyl, NO 2 , —N(R 8 )(R 9 ), N(R 8 )(R 9 )-lower alkylene-, N(R 8 )(R 9 )-lower alkylenyloxy-, OH, halogeno, —CN, —N 3 , —NHC(O)OR 10 , —NHC(O)R 10 , R 11 O 2 SNH—, (R 11 O 2 S) 2 N—, —S(O) 2 NH 2 , —S(O) 0-2 R 8 , tert-butyldimethyl-silyloxymethyl, —C(O)R 12 , —COOR 19 , —CON(R 8 )(R 9 ), —CH═CHC(O)R 12 , -lower alkylene-C(O)R 12 , R 10 C(O)(lower alkylenyloxy)-, N(R 8 )(R 9 )C(O)(lower alkylenyloxy)- and                          for substitution on ring carbon atoms, and the substituents on the substituted heteroaryl ring nitrogen atoms, when present, are selected from the group consisting of lower alkyl, lower alkoxy, —C(O)OR 10 , —C(O)R 10 , OH, N(R 8 )(R 9 )-lower alkylene-,N(R 8 )(R 9 )-lower alkylenyloxy-, —S(O) 2 NH 2  and 2-(trimethylsilyl)-ethoxymethyl;    R 7  is 1-3 groups independently selected from the group consisting of lower alkyl, lower alkoxy, —COOH, NO 2 , —N(R 8 )(R 9 ), OH, and halogeno;    R 8  and R 9  are independently selected from H or lower alkyl;    R 10  is selected from lower alkyl, phenyl, R 7 -phenyl, benzyl or R 7 -benzyl;    R 11  is selected from OH, lower alkyl, phenyl, benzyl, R 7 -phenyl or R 7 -benzyl;    R 12  is selected from H, OH, alkoxy, phenoxy, benzyloxy,                      
—N(R 8 )(R 9 ), lower alkyl, phenyl or R 7 -phenyl;    R 13  is selected from —O—, —CH 2 —, —NH—, —N(lower alkyl)- or —NC(O)R 19 ;    R 15 ; R 16  and R 17  are independently selected from the group consisting of H and the groups defined for W; or R 15  is hydrogen and R 16  and R 17 , together with adjacent carbon atoms to which they are attached, form a dioxolanyl ring;    R 19  is H, lower alkyl, phenyl or phenyl lower alkyl; and    R 20  and R 21  are independently selected from the group consisting of phenyl, W-substituted phenyl, naphthyl, W-substituted naphthyl, indanyl, indenyl, tetrahydronaphthyl, benzodioxolyl, heteroaryl, W-substituted heteroaryl, benzofused heteroaryl, W-substituted benzofused heteroaryl and cyclopropyl, wherein heteroaryl is as defined above; 
 (6) a compound represented by Formula (VII):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VII) or of the isomers thereof, or prodrugs of the compounds of Formula (VII) or of the isomers, salts or solvates thereof, wherein in Formula (VII):  
   A is —CH═CH—, —C≡C— or —(CH 2 ) p — wherein p is 0, 1 or 2;    B is                          E is C 10  to C 20  alkyl or —C(O)—(C 9  to C 19 )-alkyl, wherein the alkyl is straight or branched, saturated or containing one or more double bonds;    R is hydrogen, C 1 -C 15  alkyl, straight or branched, saturated or containing one or more double bonds, or B—(CH 2 ) r —, wherein r is 0, 1, 2, or 3;    R 1 , R 2 , and R 3  are independently selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, carboxy, NO 2 , NH 2 , OH, halogeno, lower alkylamino, dilower alkylamino, —NHC(O)OR 5 , R 6 O 2 SNH— and —S(O) 2 NH 2 ;    R 4  is                          wherein n is 0, 1, 2 or 3;    R 5  is lower alkyl; and    R 6  is OH, lower alkyl, phenyl, benzyl or substituted phenyl wherein the substituents are 1-3 groups independently selected from the group consisting of lower alkyl, lower alkoxy, carboxy, NO 2 , NH 2 , OH, halogeno, lower alkylamino and dilower alkylamino; 
 (7) a compound represented by Formula (VIII):  
                     
 or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (VIII) or of the isomers thereof, or prodrugs of the compounds of Formula (VII) or of the isomers, salts or solvates thereof, wherein, in Formula (VII) above,  
   R 26  is H or OG 1 ;    G and G 1  are independently selected from the group consisting of                          provided that when R 26  is H or OH, G is not H;    R, R a  and R b  are independently selected from the group consisting of H, —OH, halogeno, —NH 2 , azido, (C 1 -C 6 )alkoxy(C 1 -C 6 )-alkoxy or —W—R 30 ;    W is independently selected from the group consisting of —NH—C(O)—, —O—C(O)—, —O—C(O)—N(R 31 )—, —NH—C(O)—N(R 31 )— and —O—C(S)—N(R 31 )—;    R 2  and R 6  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl(C 1 -C 6 )alkyl;    R 3 , R 4 , R 5 , R 7 , R 3a  and R 4a  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)(C 1 -C 6 )alkyl and —C(O)aryl;    R 30  is selected from the group consisting of R 32 -substituted T, R 32 -substituted-T-(C 1 -C 6 )alkyl, R 32 -substituted-(C 2 -C 4 )alkenyl, R 32 -substituted-(C 1 -C 6 )alkyl, R 32 -substituted-(C 3 -C 7 )cycloalkyl and R 32 -substituted-(C 3 -C 7 )cycloalkyl(C 1 -C 6 )alkyl;    R 31  is selected from the group consisting of H and (C 1 -C 4 )alkyl;    T is selected from the group consisting of phenyl, furyl, thienyl, pyrrolyl, oxazolyl, isoxazolyl, thiazolyl, iosthiazolyl, benzothiazolyl, thiadiazolyl, pyrazolyl, imidazolyl and pyridyl;    R 32  is independently selected from 1-3 substituents independently selected from the group consisting of halogeno, (C 1 -C 4 )alkyl, —OH, phenoxy, —CF 3 , —NO 2 , (C 1 -C 4 )alkoxy, methylenedioxy, oxo, (C 1 -C 4 )alkylsulfanyl, (C 1 -C 4 )alkylsulfinyl, (C 1 -C 4 )alkylsulfonyl, —N(CH 3 ) 2 , —C(O)—NH(C 1 -C 4 )alkyl, —C(O)—N((C 1 -C 4 )alkyl) 2 , —C(O)—(C 1 -C 4 )alkyl, —C(O)—(C 1 -C 4 )alkoxy and pyrrolidinylcarbonyl; or R 32  is a covalent bond and R 31 , the nitrogen to which it is attached and R 32  form a pyrrolidinyl, piperidinyl, N-methyl-piperazinyl, indolinyl or morpholinyl group, or a (C 1 -C 4 )alkoxycarbonyl-substituted pyrrolidinyl, piperidinyl, N-methylpiperazinyl, indolinyl or morpholinyl group;    Ar 1  is aryl or R 10 -substituted aryl;    Ar 2  is aryl or R 11 -substituted aryl;    Q is a bond or, with the 3-position ring carbon of the azetidinone, forms the spiro group                          and    R 1  is selected from the group consisting of 
 —(CH 2 ) q —, wherein q is 2-6, provided that when Q forms a spiro ring, q can also be zero or 1;  
   —(CH 2 ) e -E-(CH 2 ) r —, wherein E is —O—, —C(O)—, phenylene, —NR 22 — or —S(O) 0-2 —, e is 0-5 and r is 0-5, provided that the sum of e and r is 1-6;    —(C 2 -C 6 )alkenylene-; and    —(CH 2 ) f —V—(CH 2 ) g —, wherein V is C 3 -C 6  cycloalkylene, f is 1-5 and g is 0-5, provided that the sum of f and g is 1-6;    R 12  is                          R 13  and R 14  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 12  together with an adjacent R 13 , or R 12  together with an adjacent R 14 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero;    provided that when R 13  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1;    provided that when R 14  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1;    provided that when a is 2 or 3, the R 13 's can be the same or different; and    provided that when b is 2 or 3, the R 14 's can be the same or different;    and when Q is a bond, R 1  also can be:                          M is —O—, —S—, —S(O)— or —S(O) 2 —;    X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6 )alkyl- and —C(di-(C 1 -C 6 )alkyl);    R 10  and R 11  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 19 , —O(CO)R 19 , —O(CO)OR 21 , —O(CH 2 ) 1-5 OR 19 , —O(CO)NR 19 R 20 , —NR 19 R 20 , —NR 19 (CO)R 20 , —NR 19 (CO)OR 21 , —NR 19 (CO)NR 20 R 25 , —NR 19 SO 2 R 21 , —COOR 19 , —CONR 19 R 20 , —COR 19 , —SO 2 NR 19 R 20 , S(O) 0-2 R 21 , —O(CH 2 ) 1-10 —COOR 19 , —O(CH 2 ) 1-10 CONR 19 R 20 , —(C 1 -C 6  alkylene)-COOR 19 , —CH═CH—COOR 19 , —CF 3 , —CN, —NO 2  and halogen;    R 15  and R 17  are independently selected from the group consisting of —OR 19 , —O(CO)R 19 , —O(CO)OR 21  and —O(CO)NR 19 R 20 ;    R 16  and R 18  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl and aryl; or R 15  and R 16  together are ═O, or R 17  and R 18  together are ═O;    d is 1, 2 or 3;    h is 0, 1, 2, 3 or 4;    s is 0 or 1; t is 0 or 1; m, n and p are independently 0-4;    provided that at least one of s and t is 1, and the sum of m, n, p, s and t is 1-6;    provided that when p is 0 and t is 1, the sum of m, s and n is 1-5; and provided that when p is 0 and s is 1, the sum of m, t and n is 1-5;    v is 0 or 1;    j and k are independently 1-5, provided that the sum of j, k and v is 1-5;    and when Q is a bond and R 1  is                          Ar 1  can also be pyridyl, isoxazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, thiazolyl, pyrazinyl, pyrimidinyl or pyridazinyl;    R 19  and R 20  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 21  is (C 1 -C 6 )alkyl, aryl or R 24 -substituted aryl;    R 22  is H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 19  or —COOR 19 ;    R 23  and R 24  are independently 1-3 groups independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 19 R 20 , —OH and halogeno; and    R 25  is H, —OH or (C 1 -C 6 )alkoxy; and    (8) a compound represented by Formula (IX):                          or isomers thereof, or pharmaceutically acceptable salts or solvates of the compounds of Formula (IX) or of the isomers thereof, or prodrugs of the compounds of Formula (IX) or of the isomers, salts or solvates thereof, wherein, in Formula (IX) above,    R 26  is selected from the group consisting of: 
 a) OH;  
 b) OCH 3 ;  
 c) fluorine and  
 d) chlorine;  
   R 1  is selected from the group consisting of                          —SO 3 H; natural and unnatural amino acids;    R, R a  and R b  are independently selected from the group consisting of H, —OH, halogeno, —NH 2 , azido, (C 1 -C 6 )alkoxy(C 1 -C 6 )-alkoxy and —W—R 30 ;    W is independently selected from the group consisting of —NH—C(O)—, —O—C(O)—, —O—C(O)—N(R 31 )—, —NH—C(O)—N(R 31 )— and —O—C(S)—N(R 31 )—;    R 2  and R 6  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl(C 1 -C 6 )alkyl;    R 3 , R 4 , R 5 , R 7 , R 3a  and R 4a  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)(C 1 -C 6 )alkyl and —C(O)aryl;    R 30  is independently selected form the group consisting of R 32 -substituted T, R 32 -substituted-T-(C 1 -C 6 )alkyl, R 32 -substituted-(C 2 -C 4 )alkenyl, R 32 -substituted-(C 1 -C 6 )alkyl, R 32 -substituted-(C 3 -C 7 )cycloalkyl and R 32 -substituted-(C 3 -C 7 )cycloalkyl (C 1 -C 6 )alkyl;    R 31  is independently selected from the group consisting of H and (C 1 -C 4 )alkyl;    T is independently selected from the group consisting of phenyl, furyl, thienyl, pyrrolyl, oxazolyl, isoxazolyl, thiazolyl, iosthiazolyl, benzothiazolyl, thiadiazolyl, pyrazolyl, imidazolyl and pyridyl;    R 32  is independently selected from 1-3 substituents independently selected from the group consisting of H, halogeno, (C 1 -C 4 )alkyl, —OH, phenoxy, —CF 3 , —NO 2 , (C 1 -C 4 )alkoxy, methylenedioxy, oxo, (C 1 -C 4 )alkylsulfanyl, (C 1 -C 4 )alkylsulfinyl, (C 1 -C 4 )alkylsulfonyl, —N(CH 3 ) 2 , —C(O)—NH(C 1 -C 4 )alkyl, —C(O)—N((C 1 -C 4 )alkyl) 2 , —C(O)—(C 1 -C 4 )alkyl, —C(O)—(C 1 -C 4 )alkoxy and pyrrolidinylcarbonyl; or R 32  is a covalent bond and R 31 , the nitrogen to which it is attached and R 32  form a pyrrolidinyl, piperidinyl, N-methyl-piperazinyl, indolinyl or morpholinyl group, or a (C 1 -C 4 )alkoxycarbonyl-substituted pyrrolidinyl, piperidinyl, N-methylpiperazinyl, indolinyl or morpholinyl group;    Ar 1  is aryl, R 10 -substituted aryl; pyridyl, isoxazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, thiazolyl, pyrazinyl, pyrimidinyl or pyridazinyl;    Ar 2  is aryl or R 11 -substituted aryl;    Q is —(CH 2 ) q —, wherein q is 2-6, or, with the 3-position ring carbon of the azetidinone,    forms the spiro group                          R 12  is                          R 13  and R 14  are independently selected from the group consisting of —CH 2 —, —CH(C 1 -C 6  alkyl)-, —C(di-(C 1 -C 6 )alkyl), —CH═CH— and —C(C 1 -C 6  alkyl)=CH—; or R 12  together with an adjacent R 13 , or R 12  together with an adjacent R 14 , form a —CH═CH— or a —CH═C(C 1 -C 6  alkyl)- group;    a and b are independently 0, 1, 2 or 3, provided both are not zero; provided that when R 13  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, a is 1; provided that when R 14  is —CH═CH— or —C(C 1 -C 6  alkyl)=CH—, b is 1; provided that when a is 2 or3, the R 13 's can be the same or different; and provided that when b is 2 or 3, the R 14 's can be the same or different;    R 10  and R 11  are independently selected from the group consisting of 1-3 substituents independently selected from the group consisting of (C 1 -C 6 )alkyl, —OR 19 , —O(CO)R 19 , —O(CO)OR 21 , —O(CH 2 ) 1-5 OR 19 , —O(CO)NR 19 R 20 , —NR 19 R 20 , —NR 19 (CO)R 20 , —NR 19 (CO)OR 21 , —NR 19 (CO)NR 20 R 25 , —NR 19 SO 2 R 21 , —COOR 19 , —CONR 19 R 20 , —COR 19 , —SO 2 NR 19 R 20 , —S(O) 0-2 R 21 , —O(CH 2 ) 1-10 —COOR 19 , —O(CH 2 ) 1-10 CONR 19 R 20 , —(C 1 -C 6  alkylene)-COOR 19 , —CH═CH—COOR 19 , —CF 3 , —CN, —NO 2  and halogen;    R 19  and R 20  are independently selected from the group consisting of H, (C 1 -C 6 )alkyl, aryl and aryl-substituted (C 1 -C 6 )alkyl;    R 21  is (C 1 -C 6 )alkyl, aryl or R 24 -substituted aryl;    R 22  is H, (C 1 -C 6 )alkyl, aryl(C 1 -C 6 )alkyl, —C(O)R 19  or —COOR 19 ;    R 23  and R 24  are independently 1-3 groups independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, —COOH, NO 2 , —NR 19 R 20 , —OH and halogeno; and    R 25  is H, —OH or (C 1 -C 6 )alkoxy;    wherein the first amount and the second amount together comprise a therapeutically effective amount for the treatment of a vascular condition, diabetes, obesity or lowering a concentration of a sterol in plasma of a mammal.    
     
     
         19 . A therapeutic combination according to  claim 18 , wherein the at least one peroxisome proliferator-activated receptor activator is administered concomitantly with the at least one sterol absorption inhibitor.  
     
     
         20 . A therapeutic combination according to  claim 18 , wherein the at least one peroxisome proliferator-activated receptor activator and the at least one sterol absorption inhibitor are present in separate treatment compositions.  
     
     
         21 . A composition comprising (a) at least one of an AcylCoA:Cholesterol O-acyltransferase Inhibitor, low-density lipoprotein receptor activator, Omega 3 fatty acid, natural water soluble fiber, plant sterol, plant stanol, fatty acid ester of a plant stanol, antioxidant or vitamin and (b) at least one substituted azetidinone compound or substituted β-lactam compound or isomers thereof, or pharmaceutically acceptable salts or solvates of the at least one substituted azetidinone compound or the at least one substituted β-lactam compound or of the isomers thereof, or prodrugs of the at least one substituted azetidinone compound or the at least one substituted β-lactam compound or of the isomers, salts or solvates thereof.  
     
     
         22 . A therapeutic combination comprising (a) a first amount of at least one of an AcylCoA:Cholesterol O-acyltransferase Inhibitor, low-density lipoprotein receptor activator, Omega 3 fatty acid, natural water soluble fiber, plant sterol, plant stanol, fatty acid ester of a plant stanol, antioxidant or vitamin; and (b) a second amount at least one substituted azetidinone compound or substituted β-lactam compound or isomers thereof, or pharmaceutically acceptable salts or solvates of the at least one substituted azetidinone compound or the at least one substituted β-lactam compound or of the isomers thereof, or prodrugs of the at least one substituted azetidinone compound or the at least one substituted β-lactam compound or of the isomers, salts or solvates thereof, wherein the first amount and the second amount together comprise a therapeutically effective amount for the treatment or prevention of a vascular condition, diabetes, obesity or lowering a concentration of a sterol in plasma of a mammal.