Abstract: The present invention relates to radiodiagnostic compounds, methods of making those compounds, and methods of use thereof as imaging agents for preferably a HA serotonin 5-HT1A receptor for use in PET or SPECT, preferably PET. Compositions comprising an imaging-effective amount of radiolabeled compounds are also disclosed. The present invention also relates to non-radiolabeled compounds, methods of making those compounds, and methods of use thereof to treat various neurological and/or psychiatric disorders.

Abstract: The present invention provides a method of imaging useful in the determination of sites of dysplasia in patients suffering from Barrett's oesophagus. The method comprises the use of an optical imaging agent comprising a vector which targets the extracellular domain of EGFR, the vector also being selective for EGFR over Her2. The vector is labelled with an optical reporter suitable for in vivo imaging using light in the green to near-infrared wavelength 500-1200 nm. Also provided are novel optical imaging agents suitable for use in the method.

Abstract: The present invention relates to the field of medical imaging, and in particular to imaging of disease states associated with the upregulation of the chemokine receptor 5 (CCR5). Imaging agents, precursors and methods are provided which are useful in imaging such disease states.

Abstract: The present invention relates to diagnostic imaging agents for in vivo imaging. The imaging agents comprise a synthetic caspase-3 substrate peptide labelled with an imaging moiety suitable for diagnostic imaging in vivo. The invention also provides radiopharmaceutical compositions comprising the imaging agents, together with kits for the preparation of the radiopharmaceuticals. Also described are non-radioactive precursors suitable for the preparation of the imaging agents. The imaging agents are useful for the diagnostic imaging and or therapy monitoring in vivo of various disease states where caspase-3 is involved.

Abstract: The present invention provides a novel imaging agent targeting the mannose-6-phosphate (M6P) receptor suitable for the non-invasive visualization of fibrosis. A method for the preparation of the imaging agent is also provided by the invention, as well as a precursor for use in said method. The invention also provides a pharmaceutical composition comprising the imaging agent and a kit for the preparation of the pharmaceutical composition. In a further aspect, use of the imaging agent for in vivo imaging and in the preparation of a medicament for the diagnosis of a condition in which the mannose-6-phosphate receptor is upregulated is provided.

Abstract: Synthetic analogues of lysine and glutamine are provided which function as substrates for the fibrin-stabilising enzyme Factor XIIIa even when labelled with a detectable moiety. The use of suitable protecting groups provides compounds which possess reduced susceptibility to in vivo metabolism especially by peptidases, and are hence useful agents for the diagnosis of thrombosis, embolism, atherosclerosis, inflammation or cancer.

Abstract: The present invention relates to diagnostic imaging agents for in vivo imaging. The imaging agents comprise a synthetic caspase-3 inhibitor labelled with an imaging moiety suitable for diagnostic imaging in vivo. The invention also provides pharmaceutical and radiopharmaceutical compositions comprising the imaging agents, together with kits for the preparation of the radiopharmaceuticals. Also described are chelator conjugates of the caspase-3 inhibitor, which are suitable for the preparation of imaging agents comprising a radioactive or paramagnetic metal ion. The imaging agents are useful for the diagnostic imaging and or therapy monitoring in vivo of various disease states where caspase-3 is involved.

Abstract: The present invention relates to diagnostic imaging agents for in vivo imaging. The imaging agents comprise a synthetic barbituric acid derivative labelled at the 5-position with an imaging moiety suitable for diagnostic imaging in vivo. The invention also provides pharmaceutical and radiopharmaceutical compositions comprising the imaging agents, together with kits of the preparation of the radiopharmaceuticals. Also described are chelator conjugates of the barbituric acid derivative, which are suitable for the preparation of imaging agents comprising a radioactive or paramagnetic metal ion. The imaging agents are useful for the diagnostic imaging in vivo of various disease states, including atherosclerosis.

Abstract: Synthetic analogues of lysine and glutamine are provided which function as substrates for the fibrin-stabilising enzyme Factor XIIIa even when labelled with a detectable moiety. The use of suitable protecting groups provides compounds which possess reduced susceptibility to in vivo metabolism especially by peptidases, and are hence useful agents for the diagnosis of thrombosis, embolism, atherosclerosis, inflammation or cancer.

Abstract: A complex of a radiometal or paramagnetic metal ion with a metal chelating agent such as a diaminedioxime has attached thereto a substituent of formula (Y)m-A-NHR)k can function as a substrate for the fibrin-stabilizing Factor XIIIa. The complex is useful for the diagnosis or therapy of thrombosis, embolism, atherosclerosis, inflammation or cancer.

Abstract: A complex of a radiometal or paramagnetic metal ion with a metal chelating agent such as a diaminedioxime has attached thereto a substituent of formula (Y)m—A—NHR)k can function as a substrate for the fibrin-stabilizing Factor XIIIa. The complex is useful for the diagnosis or therapy of thrombosis, embolism, atherosclerosis, inflammation or cancer.

Abstract: A complex of a radiometal or paramagnetic metal ion with a metal chelating agent such as a diaminedioxime has attached thereto a substituent of formula —(Y)m—A—NHR, can function as a substrate for the fibrin-stabilizing Factor XIIIa. The complex is useful for the diagnosis or therapy of thrombosis, embolism, atherosclerosis, inflammation or cancer.

Abstract: A direct method is disclosed for the regioselective sulfation of an organic molecule having optionally derivatized hydroxyl groups on at least two adjacent carbon atoms. The method comprises the treatment of a di-(optionally substituted alkyl and/or aryl) stannylene acetal derivative of the molecule with an electrophilic sulfating agent, preferably sulfur trioxide/trimethylamine. The disclosed method is useful for the selective sulfation of a variety of mono-, di- and oligosaccharides. Novel saccharides prepared according to this method are also disclosed.

Abstract: A process for preparing a glycolipid of formula (I): [(sac).sub.m+n ]--O--CH.sub.2 --CHX--CH(OQ)--Y wherein Q is H or a blocking group; X is N.sub.3 or NH.sub.2 ; Y is a lipid residue; each sac is a saccharide; and m and n are each integers; comprises reacting a corresponding glycolipid of formula (II): (sac).sub.n --O--CH.sub.2 --CHX--CH(OQ)--Y with the corresponding saccharide (sac).sub.m or a reactive derivative thereof, in the presence of an enzyme that catalyses the reaction. Compounds of formulae (I) and (II) are suitable for elaboration to a variety of saccharide ceramides.