摘要:
The invention relates to a composition comprising acid magnetic particles (p) based on an iron compound, the acid magnetic particles (p) being complexed by one or more gem-bisphosphonate compounds, of formula I: X-L-CH(PO3H2)2 (I) in which: L represents an organic group connecting the X group to the gem-bisphosphonate group —CH(PO3H2)2; X represents a chemical group capable of reacting with a biovector; all or some of the X groups of the particles optionally being coupled to a biovector. The invention relates, also to a process for the preparation of the compositions and their use, in particular as contrast products for Magnetic Resonance Imaging (MRI).
摘要翻译:本发明涉及一种组合物,其包含基于铁化合物的酸性磁性颗粒(p),酸性磁性颗粒(p)由一种或多种式偕二膦酸盐化合物络合:式I:XL-CH(PO 3 H 2)2 )其中:L表示连接X基团与偕 - 双膦酸基团-CH(PO3H2)2的有机基团; X表示能够与生物载体反应的化学基团; 所有或一些X组的颗粒任选地与生物载体偶联。 本发明还涉及制备组合物及其用途的方法,特别是用于磁共振成像(MRI)的对比产物。
摘要:
The present invention concerns a Ga68 complex of formula FOLATE-(LINKER)i-NOTA-Ga68 in which: 1) FOLATE is a folate compound or a derivative thereof capable of targeting a folate receptor, 2) NOTA is a chelate capable of complexing Ga68 having a NOTA scaffold or derivatives thereof 3) LINKER is a chemical group linking FOLATE and NOTA 4) i is an integer chosen between 0 and 1 wherein NOTA is complexing Ga68.
摘要:
The present invention concerns a Ga68 complex of formula FOLATE-(LINKER)i-NOTA-Ga68 in which: 1) FOLATE is a folate compound or a derivative thereof capable of targeting a folate receptor, 2) NOTA is a chelate capable of complexing Ga68 having a NOTA scaffold or derivatives thereof 3) LINKER is a chemical group linking FOLATE and NOTA 4) i is an integer chosen between 0 and 1 wherein NOTA is complexing Ga68
摘要:
The invention relates to a process for preparing a liquid pharmaceutical formulation containing a complex of macrocyclic chelate with a lanthanide and a mol/mol amount of free macrocyclic chelate of between 0.002% and 0.4%, advantageously between 0.02% and 0.3% and very advantageously between 0.025% and 0.25%, the macrocyclic chelate advantageously being chosen from DOTA, NOTA, DOTAGA, DO3A, BT-DO3A, HP-DO3A and PCTA, and is preferably DOTA, the said process comprising the following successive steps: a) determination of a theoretical target concentration of free macrocyclic chelate Ctcl in the final liquid pharmaceutical formulation; b) preparation of a liquid pharmaceutical composition containing, firstly, the complex of macrocyclic chelate with a lanthanide, and, secondly, free macrocyclic chelate and/or free lanthanide; c) measurement in the pharmaceutical formulation obtained in step b) of the concentration of free macrocyclic chelate Ccl and/or of free lanthanide Cll; d) adjustment of Ccl and/or of Cll so as to obtain Ccl=Ctcl and Cll=0.
摘要:
The invention relates to a composition comprising acid magnetic particles (p) based on an iron compound, the acid magnetic particles (p) being complexed by one or more gem-bisphosphonate compounds, of formula I: X-L-CH(PO3H2)2 (I) in which: L represents an organic group connecting the X group to the gem-bisphosphonate group —CH(PO3H2)2; X represents a chemical group capable of reacting with a biovector; all or some of the X groups of the particles optionally being coupled to a biovector. The invention relates also to a process for the preparation of the compositions and their use, in particular as contrast products for Magnetic Resonance Imaging (MRI).
摘要翻译:本发明涉及一种组合物,其包含基于铁化合物的酸性磁性颗粒(p),酸性磁性颗粒(p)由一种或多种式偕二膦酸盐化合物络合:式I:XL-CH(PO 3 H 2)2 )其中:L表示连接X基团与偕 - 双膦酸基团-CH(PO3H2)2的有机基团; X表示能够与生物载体反应的化学基团; 所有或一些X组的颗粒任选地与生物载体偶联。 本发明还涉及制备组合物及其用途的方法,特别是作为磁共振成像(MRI)的对比产品。
摘要:
The invention relates to novel compounds that are useful for the diagnosis of many pathologies, in particular cardiovascular, cancer-related and inflammatory pathologies, and to pharmaceutical compositions comprising said compounds. These compounds comprise a component for targeting a pathological region, linked to a detection component which is effective in diagnostic terms.
摘要:
The invention concerns compounds comprising a biological target recognizing part, coupled to a signal part capable of complexing gallium. The invention also concerns methods for obtaining said compounds, screening methods capable of selecting such compounds for chemical synthesis thereof and their diagnostic applications, in particular in PET, PET/IRM, PET CT imaging.
摘要:
The invention relates to a method of water diffusion imaging in magnetic resonance imaging in an area of diagnostic interest, characterized in that it comprises, in combination, the administration of a contrast product capable of generating a signal specifically in its specific location area, said location area being included in said area of interest, the application of a water diffusion imaging sequence to the whole area of interest, and the reading of the images in the area of interest, the specific signal due to the contrast product significantly and specifically modifying the signal in the specific location area relative to the signal of the whole area of interest.