Abstract: A series of 2-imino-6-methylhexahydropyrimidin-4-one derivatives, and analogues thereof, substituted in the 6-position by an arylcarbonylaminophenyl or heteroarylcarbonylaminophenyl moiety, being potent inhibitors of the growth and propagation of the Plasmodium falciparum parasite in human blood, are beneficial as pharmaceutical agents, especially in the treatment of malaria.

Abstract: A series of substituted fused bicyclic imidazole derivatives of formula (I), including benzimidazole derivatives and analogues thereof, being potent modulators of human IL-17 activity, are accordingly of benefit in the treatment and/or prevention of various human ailments including inflammatory and autoimmune disorders, wherein i. a. A represents C—R1 or N; B represents C—R2 or N; D represents C—R3 or N; E represents C—R4 or N; Z represents —CH(R5)N(H)CH2R6, —CH(R5)N(H)S(O)2R6, —C(?CR5aR5b)N(H)C(O)R6, —CH(R5)R7, —CH(R5)N(H)R7 or —CH(R5)C(O)N(H)R7; R0 represents hydrogen or C1-6 alkyl.

Abstract: A series of substituted spirocyclic 2-oxoindoline derivatives, and analogues thereof, being potent modulators of human IL-17 activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including inflammatory and autoimmune disorders.

Abstract: A series of substituted fused bicyclic imidazole derivatives, including benzimidazole derivatives and analogues thereof, being potent modulators of human IL-17 activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including inflammatory and autoimmune disorders.

Abstract: A series of substituted spirocyclic 2-oxoindoline derivatives, and analogues thereof, being potent modulators of human IL-17 activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including inflammatory and autoimmune disorders.