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Restrict the search for
nicotine
to a specific field?
Status:
Investigational
Source:
NCT03998735: Phase 1 Interventional Recruiting Smokeless Tobacco
(2021)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Nornicotine is a natural alkaloid produced by plants in the genus Nicotiana and is structurally related to nicotine. Nornicotine is the direct precursor of tobacco-specific nitrosamine N'-nitrosonornicotine, which is a highly potent human carcinogen. Nornicotine is an active nicotine metabolite, which accumulates in brain to pharmacologically relevant concentrations following repeated nicotine administration to rats. Nornicotine stimulated DA release from nucleus accumbens in a nicotinic receptor-mediated manner, further supporting the hypothesis that nornicotine contributes to tobacco dependence. Nornicotine is present in Nicotiana tobaccum in both S(-) and R(+) enantiomeric forms. Nornicotine enantiomeric forms appear to differ in analgesic potency and side effects. Exposure to nornicotine results in additional activation of α7-type receptors, which may be important for effects on cognition and attention. Likewise, the effects of nornicotine on α6-containing receptors may contribute to the reinforcing effects of nicotine, and therefore, is relevant to dependence on tobacco. In contrast to nicotine, nornicotine had relatively low activity on receptors other than those containing α7 or α6 subunits. Yaupon Therapeutics was developing Nornicotine as a once a day oral drug for smoking cessation. However this development was discontinued.
Status:
Investigational
Source:
NCT00686933: Phase 2 Interventional Completed Attention-Deficit/Hyperactivity Disorder
(2008)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Pozanicline is an alpha4-beta2 neuronal nicotinic receptor partial agonist. It had been in phase II clinical trials for the treatment of attention hyperactivity disorder and Alzheimer’s disease. It was tested for the treatment of schizophrenia too. All these studies were discontinued. Modulation of hippocampal learning and memory using Pozanicline in animal model was effective as novel therapeutic strategies for nicotine addiction. However future clinical trial was terminated.
Status:
Other
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Sazetidine-A (6-[5-(azetidin-2-ylmethoxy)pyridin-3-yl]hex-5-yn-1-ol or AMOP-H-OH) is a "silent desensitizer" of neuronal nicotinic acetylcholine receptors (nAChRs), meaning that it desensitizes the receptor without first activating it. Later it was shown that Sazetidine-A is an agonist of native and recombinant alpha4beta2 nAChRs but shows differential efficacy on alpha4beta2 nAChRs subtypes. In animal models it is able to regulate the gain in body weight, alcohol and nicotine dependence. Sazetidine-A exerts analgesic, antidepressant and anxiolytic properties.
Status:
Other
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Sazetidine-A (6-[5-(azetidin-2-ylmethoxy)pyridin-3-yl]hex-5-yn-1-ol or AMOP-H-OH) is a "silent desensitizer" of neuronal nicotinic acetylcholine receptors (nAChRs), meaning that it desensitizes the receptor without first activating it. Later it was shown that Sazetidine-A is an agonist of native and recombinant alpha4beta2 nAChRs but shows differential efficacy on alpha4beta2 nAChRs subtypes. In animal models it is able to regulate the gain in body weight, alcohol and nicotine dependence. Sazetidine-A exerts analgesic, antidepressant and anxiolytic properties.
Status:
Other
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Anabasine, a tobacco alkaloid, was used as a biomarker of active tobacco use. Anabasine is a selective alpha7-nicotinic acetylcholine receptor agonist. Anabasine antagonized MK-801-elicited mouse popping behavior, an animal model of schizophrenia.
Status:
Other
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Anabasine, a tobacco alkaloid, was used as a biomarker of active tobacco use. Anabasine is a selective alpha7-nicotinic acetylcholine receptor agonist. Anabasine antagonized MK-801-elicited mouse popping behavior, an animal model of schizophrenia.
Status:
Other
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Selective, potent, orally bioavailable full 5-HT1A antagonist. S-(+)-enantiomer of (±)-LY426965 is more active in comparison with its opposite enantiomer (R)-(-)-LY 426965. LY426965 completely reversed the effects of nicotine withdrawal on the auditory startle reflex in rats. In microdialysis experiments, LY426965, when administered with fluoxetine, significantly increased extracellular levels of serotonin above those achievable with fluoxetine alone. In electrophysiological studies, the administration of LY426965 both blocked and reversed the effects of fluoxetine on 5-HT neuronal activity. Preclinical results indicate that LY426965 may have clinical use as a pharmacotherapy for smoking cessation and depression and related disorders.
Status:
Possibly Marketed Outside US
Source:
NCT04274673: Phase 4 Interventional Unknown status Chronic Pain, Acute Pain, Cotinine, Hysterectomy
(2019)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Cotinine is a product formed after the chemical nicotine enters the body. Measuring cotinine in people’s blood is the most reliable way to determine exposure to nicotine for both smokers and nonsmokers exposed to environmental tobacco smoke. Cotinine is safe, non-addictive and has pharmacokinetic properties adequate for therapeutic use. Research has shown that cotinine has antipsychotic, anxiolytic, and antidepressant properties and modulates the serotonergic, cholinergic and dopaminergic systems. Cotinine behaves as a positive allosteric modulator of the nicotinic acetylcholine receptors and has anti-inflammatory effects. Cotinine is under investigation as an agent for the treatment of depression, PTSD, schizophrenia, Alzheimer's disease and Parkinson's disease.
