Phase 1b/2a Clinical Trial to Determine the Safety, Tolerability and Efficacy of TZ-161 in Spinal Cord Injury

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Eletriptan hydrobromide (HBr) is a second-generation serotonin (5-HT) receptor agonist with high affinity for 5-HT1B, 5-HT1D and 5-HT1F receptors approved for the acute treatment of the headache phase of migraine attacks, with or without aura. 5-HT is a monoamine neurotransmitter synthesized in several subpopulations of brainstem neurons and plays an important role in vertebrate locomotion. Following spinal cord injury (SCI) there is a disruption of descending serotonergic projections to spinal motor areas, which results in a subsequent 5-HT depletion, 5-HT transporter dysregulation, as well as elevated expression, hyper-sensitivity and/or constitutive auto-activation of specific 5-HT receptors. Technophage identified a new possible therapeutic indication for Eletriptan HBr, showing its locomotor recovery properties in two different animal models of injury. Based on preclinical findings, Technophage intends to test Eletriptan HBr in the clinical environment, as a repurposed drug, for the treatment of acute SCI in human subjects.