- 5-Hydroxytryptophan (5-HTP) is a naturally occurring amino acid and chemical precursor as well as a metabolic intermediate in the biosynthesis of the neurotransmitters serotonin and melatonin from tryptophan.
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5-HT Receptor antagonist
Agomelatine is a melatonergic agonist (MT1 and MT2 receptors) and 5-HT2C antagonist. -
H1 antagonist
Asenapine shows high affinity (pKi) for numerous receptors, including the serotonin 5-HT1A (8.6), 5-HT1B (8.4), 5-HT2A (10.2), 5-HT2B (9.8), 5-HT2C (10.5), 5-HT5A (8.8), 5-HT6 (9.5), and 5-HT7 (9.9) receptors, the adrenergic α1 (8.9), α2A (8.9), α2B (9.5), and α2C (8.9) receptors, the dopamine D1 (8.9), D2 (8.9), D3 (9.4), and D4 (9.0) receptors, and the histamine H1 (9.0) and H2 (8.2) receptors.- Keisuke Obara, .et al. , Biol Pharm Bull, 2021, 44, 1140-1150
- Citalopram is a selective inhibitor of ST (5-hydroxytryptamine/serotonin transporter) and therefore is a potent and selective serotonin reuptake inhibitor.
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5-HT Receptor agonist
Clomipramine is a blocker of the following transporters:Serotonin transporter (SERT) (Ki = 0.14 nM),Norepinephrine transporter (NET) (Ki = 54 nM),Dopamine transporter (DAT) (Ki = 3,020 nM),Glycine transporter (GlyT/LeuT). - Dapoxetine works by inhibiting serotonin transporter, increasing serotonins action at the post synaptic cleft, and as a consequence promoting ejaculatory delay.
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5-HT3 receptor antagonist
Granisetron HCl is a serotonin 5-HT3 receptor antagonist -
5-HT2A serotonin receptor antagonist
Ketanserin (Vulketan Gel) is specific 5-HT2A serotonin receptor antagonist with a Ki of 2.5 nM for rat and human 5-HT2A. -
5-HT2/5-HT1 antagonist
Mianserin hydrochloride is a 5-HT2/5-HT1 antagonist. Has moderate affinity for 5-ht6 Non-selective 5-HT2 receptor antagonist. Has moderate affinity for 5-HT6. Antidepressant. -
5-HT4-receptor agonist
Mosapride citrate acts as 5-HT4 receptor agonist and 5-HT3 receptor antagonist. -
5-HT1A and α1-adrenergic receptor antagonist
Naftopidil 2HCl is a selective 5-HT1A and α1-adrenergic receptor antagonist with IC50 of 0.1 μM and 0.2 μM, respectively. -
5-HT Receptors/D2 dopamine receptor antagonist
Olanzapine(Zyprexa) is a high affinity for 5-HT2 serotonin and D2 dopamine receptor antagonist. -
5-HT Receptors antagonist
Ondansetron is a serotonin 5-HT3 receptor antagonist used mainly as an antiemetic to treat nausea and vomiting, often following chemotherapy. -
5-HT2C receptor antagonist
Puerarin is one of several known isoflavones. Puerarin is a 5-HT2C receptor and benzodiazepine site antagonist. Puerarin is being investigated as a self-microemulsifying drug delivery system.- Takashi Azuma, .et al. , SEP PURIF TECHNOL, 2019, Apr; 212: 483-489
- Azuma T, .et al. , Environ Sci Pollut Res Int, 2017, Aug;24(23):19021-19030 PMID: 28660504
- Azuma T, .et al. , Sci Total Environ, 2016, Apr 1;548-549:189-197 PMID: 26802347
- Risperidone(Risperdal) is an atypical antipsychotic used to treat schizophrenia (including adolescent schizophrenia), schizoaffective disorder, the mixed and manic states associated with bipolar disorder, and irritability in children with autism.
- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
- Jaime Osuna-Luque, .et al. , J Exp Neurosci, 2018, 12: 1179069518798628 PMID: 30245571
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5-HT (serotonin) and dopamine receptor antagonist
Ziprasidone hydrochloride monohydrate (CP 88059 hydrochloride monohydrate) is a combined 5-HT (serotonin) and dopamine receptor antagonist which exhibits potent effects of antipsychotic activity. -
Serotonin reuptake inhibitor
Vilazodone acts as a serotonin reuptake inhibitor (IC50 = 0.5 nM) and 5-HT1A receptor partial agonist (IC50 = 0.2 nM; IA = ~60-70%). -
5-HT1D receptor antagonist
BRL-15572 is a selective h5-HT1D antagonist, displaying 60-fold selectivity over h5-HT1B, and exhibiting little or no affinity for a range of other receptor types.
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5HT1A antagonist
WAY-100635 was originally believed to act as a selective 5-HT1A receptor antagonist, but subsequent research showed that it also acts as potent full agonist at the D4 receptor.
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5-HT3 antagonist
Tropisetron is a serotonin 5-HT3 receptor antagonist used mainly as an antiemetic to treat nausea and vomiting following chemotherapy. -
Serotonin 5HT3-receptor antagonist
Alosetron Hydrochloride(1:X) (GR 68755 Hydrochloride(1:X)) is a Serotonin 5HT3-receptor antagonist that is used in treatment of irritable bowel syndrome. -
5-HT1B/1D receptor agonist
Eletriptan hydrobromide is a selective SR-1B/SR-1D agonist.- Li Li, .et al. , J Exp Med, 2022, Aug 1;219(8):e20212307 PMID: 35796804
- Pardoprunox is an antiparkinsonian drug currently under development by Solvay for the treatment of Parkinson's disease.
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5-HT6 receptor antagonist
SB271046 Hydrochloride is a potent, selective and orally active 5-HT6 receptor antagonist with pKi of 8.9. -
serotonin transporter (SER) inhibitor
Vilazodone Hydrochloride (EMD 68843 Hydrochloride) is a serotonin transporter (SER) inhibitor and 5-HT1A receptor partial agonist. - Ondansetron is a serotonin 5-HT3 receptor antagonist used mainly as an antiemetic (to treat nausea and vomiting). Ondansetron reduces the activity of the vagus nerve, which deactivates the vomiting center in the medulla oblongata, and also blocks serotonin receptors in the chemoreceptor trigger zone.
- Mirtazapine is a noradrenergic and specific serotonergic antidepressant (NaSSA) . Structurally, mirtazapine can also be classified as a tetracyclic antidepressant (TeCA).
- Trazodone is an antidepressant of the serotonin antagonist and reuptake inhibitor (SARI) class. It is a phenylpiperazine compound. Trazodone also has anti-anxiety (anxiolytic) and sleep-inducing (hypnotic) effects.
- Urapidil hydrochloride is an α1-adrenoceptor antagonist, 5-HT1A serotonin receptor partial agonist and anti-hypertensive.
- Duloxetine is a serotonin-norepinephrine reuptake inhibitor (SNRI). It is effective for major depressive disorder and generalized anxiety disorder (GAD).
- Duloxetine Hydrochloride is a dual serotonin and norepinephrine reuptake inhibitor (SNRI) that is used in the treatment of stress urinary incontinence, as well as depression.
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5-HT antagonist
Tegaserod functions as a motility stimulant, achieving its desired therapeutic effects through activation of the 5-HT4 receptors of the enteric nervous system in the gastrointestinal tract. It also stimulates gastrointestinal motility and the peristaltic reflex, and allegedly reduces abdominal pain. Additionally, tegaserod is a 5-HT2B receptor antagonist. -
5-HT Receptor agonist
Prucalopride is a selective, high affinity 5-HT4 receptor agonist which targets the impaired motility associated with chronic constipation, thus normalising bowel movements.- Pierre Meschin, .et al. , Cell Calcium, 2015, Dec;58(6):549-57 PMID: 26427584
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5-HT Receptor agonist
Almotriptan malate (Axert) is a selective 5-hydroxytryptamine1B/1D (5-HT1B/1D) receptor agonist, used for the treatment of Migraine attacks in adults.- Li Li, .et al. , J Exp Med, 2022, Aug 1;219(8):e20212307 PMID: 35796804
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5-HT1A receptor agonist
Aripiprazole is a human 5-HT1A receptor partial agonist with a Ki of 4.2 nM.- Jaime Osuna-Luque, .et al. , J Exp Neurosci, 2018, 12: 1179069518798628 PMID: 30245571
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D2/5-HT2 receptor antagonist
Blonanserin is a D2/5-HT2 receptor antagonist; atypical antipsychotic. - Lamotrigine is a novel anticonvulsant drug for inhibition of 5-HT with IC50 of 240 μM and 474 μM in human platelets and rat brain synaptosomes, and also is a sodium channel blocker.
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5-HT2c receptor agonist
PRX933 hydrochloride is a 5-HT2c receptor agonist extracted from patent WO 2014140631 A1. -
5-HT4 receptor antagonist
5-HT4 antagonist 1 is a 5-HT4 receptor antagonist with a pKi of 9.6. -
5-HT2A receptor antagonist
Lumateperone Tosylate is a 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a SERT blocker (Ki = 61 nM).