For research use only.
CAS No. 27833-64-3
Loxapine Succinate is a D2DR and D4DR inhibitor, serotonergic receptor antagonist and also a dibenzoxazepine anti-psychotic agent.
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|Description||Loxapine Succinate is a D2DR and D4DR inhibitor, serotonergic receptor antagonist and also a dibenzoxazepine anti-psychotic agent.|
In the presence of Loxapine, [3H]ketanserin binds to 5-HT2 receptor in Frontal cortex of brain in human and bovine with ki value of 6.2 nM and 6.6 nM, respectively. Loxapine has the rank order of potency for the various receptors appears to be as follows:5-HT2≥D4>>>D1>D2 in comparing competition experiments involving the human membranes.  Loxapine 0.2 μM, 2 μM and 20 μM reduces IL-1beta secretion by LPS-activated mixed glia cultures after 1 and 3 days of exposure. Loxapine in concentrations of 0.2 μM, 2 μM and 20 μM reduces IL-2 secretion in mixed glia cultures after 1 and 3 days of exposure, and additionally Loxapine decreases IL-1beta and IL-2 secretion in LPS-induced microglia cultures in concentrations of 2 μM, 10 μM and 20 μM. 
|In vivo||Loxapine (5 mg/kg) induces a very significant reduction (more than 50%) of serotonin (S2) receptor density after 4 weeks or 10 weeks of daily injection in the rat. Loxapine (5 mg/kg) does not change dopamine receptor density but greatly reduces serotonin receptor density by 47% in the brain of rats.  Loxapine (0.3 mg/kg s.c.) induces marked catalepsy, the scores reaching the cut-off level of 45 s two to 5 hours after injection in rats. Loxapine-induced catalepsy is fully established then treated by clozapine (10 mg/kg s.c.), the high catalepsy score is reduced to a value not significantly different from vehicle-treated controls in rats. |
|In vitro||DMSO||89 mg/mL (199.59 mM)|
|Ethanol||2 mg/mL (4.48 mM)|
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Clinical Trial Information
|NCT Number||Recruitment||interventions||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT02820519||Terminated||Drug: Loxapine||Neuropathic Pain||University of Witten/Herdecke||June 2016||Phase 2|
|NCT00789360||Completed||Drug: Inhaled Placebo|Drug: Inhaled Loxapine||Healthy||Alexza Pharmaceuticals Inc.||November 2008||Phase 1|
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