Abstract: The invention further relates to a DGAT inhibitor of formula including any stereochemically isomeric form thereof, wherein A represents CH or N; the dotted line represents an optional bond in case A represents a carbon atom; X represents —NRx—C(?O)—; —Z—C(?O)—; —Z—NRx—C(?O)—; —S(?O)p-; —C(?S)—; —NRx—C(?S)—; —Z—C(?S)—; —Z—NRx—C(?S)—; —O—C(?O)—; —C(?O)—C(?O)—; R1 represents a 5-membered monocyclic heterocycle containing at least 2 heteroatoms; a 6-membered aromatic monocyclic heterocycle; or a 5-membered heterocycle containing at least 2 heteroatoms fused with phenyl, cyclohexyl or a 5- or 6-membered heterocycle; wherein each of said heterocycles may optionally be substituted; R2 represents R3; R3 represents C3-6cycloalkyl, phenyl, naphtalenyl, 2,3-dihydro-1,4-benzodioxinyl, 1,3-benzodioxolyl, 2,3-dihydrobenzofuranyl or a 6-membered aromatic heterocycle containing 1 or 2 N atoms, wherein said C3-6cycloalkyl, phenyl, naphtalenyl, 2,3-dihydro-1,4-benzodioxinyl, 1,3-benzodioxolyl, 2,3-dihydrobenzofuranyl or 6-