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ECHA InfoCard | 100.207.679 |
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Formula | C9H11ClN2O |
Molar mass | 198.65 g·mol−1 |
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Tebanicline (ebanicline, ABT-594) is a potent synthetic nicotinic (non-opioid) analgesic drug developed by Abbott. It was developed as a less toxic analog of the potent poison dart frog-derived compound epibatidine, which is about 200 times stronger than morphine as an analgesic, but produces extremely dangerous toxic side effects. [1] [2] Like epibatidine, tebanicline showed potent analgesic activity against neuropathic pain in both animal and human trials, but with far less toxicity than its parent compound. [3] [4] [5] [6] [7] [8] It acts as a partial agonist at neuronal nicotinic acetylcholine receptors, binding to both the α3β4 and the α4β2 subtypes. [9]
Tebanicline progressed to Phase II clinical trials in humans, [10] but was dropped from further development due to unacceptable incidence of gastrointestinal side effects. [11] However, further research in this area is ongoing, [12] [13] [14] [15] and the development of nicotinic acetylcholine receptor agonists is ongoing. [16] [17] [18] [19] No agents from this class have successfully completed human clinical trials due to their unacceptable side effect profiles.
Research in the area continues. [25] For example, a new agent that is currently in phase 2b clinical trials for the treatment of depression is called ropanicant (SUVN-911).
Goldstein reported a series of agents that a based on a cyclopropane ring. [26] [27] [28] [29] The following examples are representative: PC10176364 [387844-92-0], PC15980432 & PC16662145.