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Fam. aten. prim ; 10(3): 63-67, dic. 2012. ilus
Article in Spanish | IBECS | ID: ibc-110455

ABSTRACT

El ziconotide, péptido sintético análogo de la O-conotoxina de un caracol marino, ha sido introducido recientemente como un fármaco para el tratamiento del dolor rebelde a opioides. Consigue su efecto terapéutico a través de un bloqueo selectivo de los canales de calcio (Ca) tipo N dependientes de voltaje, por medio del cual reduce la liberación de neurotransmisores pronociceptivos en el asta posterior de la médula espinal, inhibiendo, de esta manera, la transmisión del impulso doloroso. Una de sus ventajas es la de no provocar tolerancia, e incluso en caso necesario, podría ser administrado conjuntamente con morfina, potenciándose la acción de ambos fármacos (AU)


The ziconotide is structurally the synthetic peptide analogue of the V-conotoxin Conus magus, a marine snail. It has recently been introduced as a drug for the treatment of pain unresponsive to opioids. Achieves its therapeutic effect via a potent selective blockade of voltage sensitive calcium channels, which in turn reduces the release of neurotransmitters pronociceptivos in the dorsal horn of the spinal cord by this action inhibits the transmission of painful stimulus.Among its advantages is to not cause tolerance. In addition, if necessary, could be co-administered with morphine, producing a synergistic effect on its action on pain (AU)


Subject(s)
Humans , Mollusk Venoms/therapeutic use , Calcium Channel Blockers/pharmacokinetics , Pain/drug therapy , Pain Management/methods , Calcium Channels, N-Type
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