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H1-receptor antagonist
Astemizole is a potent antihistamine (H1-receptor antagonist, IC50 = 4 nM) that displays selectivity over dopamine, 5-HT, and muscarinic acetylcholine receptors. This compound has shown potent hERG K+ channel blocking activity (IC50 = 0.9 nM), antimalarial activity in multidrug resistant strains in vitro (IC50 = 227 - 734 nM), and has been used as a chaperone to correct folding defects and restore protein function for some mutated forms of hERG channels.- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
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α2 adrenergic receptor antagonist
Atipamezole HCl is a selective α2-adrenergic receptor antagonist (Ki values are 1.1, 1.0, 0.89, 1300 and 6500 nM for α2A, α2B, α2C, α1A and α1B receptors respectively). Has been shown to be a brain penetrant. -
A2A receptor antagonist
Vipadenant, also known as BIIB014, CEB-4520, is a potent, selective and orally available adenosine A2A receptor antagonist under development for Parkinson's disease. Vipadenant demonstrates strong oral activity in commonly used models of Parkinson's disease. -
LPA1 receptor antagonist
AM966 is a high affinity, selective, oral antagonist of LPA1 receptor (lysophosphatidic acid receptor) with an IC50 value of 17 nM.- Maria F Fernandes, .et al. , Int J Mol Sci, 2022, Apr 9;23(8):4163 PMID: 35456981
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5-HT6 serotonin receptor antagonist
SB 258585 hydrochloride has been found to be a selective and potent SR-6 antagonist. This compound displays more than a 160-fold selectivity over other serotonin receptor subtypes. -
CRF-1 antagonist
Emicerfont, also known as GW876008, is a CRF-1 antagonist. Emicerfont blocks the CRH-1 receptor, and so reduces ACTH release. -
5-HT6 antagonist
SB 399885 hydrochloride is a potent, brain penetrant, and orally active SR-6 antagonist. It displays > 200-fold selectivity for SR-6 over other serotonin receptors (pKi values are 9.11, 8.81 and 9.02 for human recombinant, native rat and native human SR-6 receptors, respectively). -
OX2 receptor antagonist
JNJ-10397049 is a potent, selective, and bioavailable antagonist of the orexin-2 receptor (OX2R) (KB = 4.5 nM for OX2R versus 1.1 μM for OX1R). -
CRF1 receptor antagonist
Pexacerfont is a selective corticotropin-releasing factor (CRF1) receptor antagonist with IC50 of 6.1??0.6 nM for human CRF1 receptor. -
angiotensin II receptor antagonist
BIBS39 is a nonpeptide angiotensin II (AII) receptor antagonists that displaced [125I] AII from its specific binding sites with a K(i) value of 29 +/- 7 nM for the AII subtype I (AT1) receptor and a K(i) value of 480 +/- 110 nM for the AII subtype 2 (AT2) receptor. -
LPA1 Receptor antagonist
AM095 is a novel, potent and orally bioavailable antagonist of lysophosphatidic acid type 1 receptor (LPA1) with IC50 values of 0.73 and 0.98 μM for mouse or recombinant human LPA1, respectively -
CXCR2 antagonist
SB 265610 is a nonpeptide, allosteric, inverse agonist of CXCR2 (Kd = 2.51 nM) that prevents receptor activation by binding to a region distinct from the agonist binding site. It does not bind to the related CXCR1 receptor.1 It has been shown to prevent neutrophil chemotaxis both in vitro and in a rat model of hyperoxia-induced lung injury. -
alpha1/beta adrenergic receptors antagonist
Labetalol HCl is a dual antagonist for both selective alpha1-adrenergic and nonselective beta-adrenergic receptors.- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
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dopamine D2 receptor antagonist
Metoclopramide HCl is a selective dopamine D2 receptor antagonist.- Reiko Watanabe, .et al. , J Med Chem, 2021, Mar 11;64(5):2725-2738 PMID: 33619967
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Histamine H1 receptor antagonist
Promethazine HCl is a potent histamine H1 receptor antagonist. -
5-HT2 receptor antagonist
Cyclobenzaprine HCl is a muscle relaxant by blocking pain sensations. -
OX1/OX2 Antagonist
Almorexant HCl is an orally active, dual orexin receptor antagonist with IC50 of 6.6 nM and 3.4 nM for OX1 and OX2 receptor 3.- Ryan J Keenan, .et al. , Br J Pharmacol, 2022, Jul;179(13):3403-3417 PMID: 35112344
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neuropeptide Y Y2 receptor antagonist
JNJ-31020028 is a novel, selective, brain-penetrant neuropeptide Y Y2 receptor antagonist -
5-HT3 receptor antagonist
Tropisetron is a selective 5-HT3 receptor antagonist and α7-nicotinic receptor agonist with an IC50 of 70.1 ?? 0.9 nM for 5-HT3 receptor. -
Adenosine A3 receptor agonist
CF-102 is an orally bioavailable, synthetic, highly selective adenosine A3 receptor (A3AR) agonist with potential antineoplastic activity. -
NK1 receptor antagonist
Netupitant is a selective neurokinin 1 (NK1) receptor antagonist. It competitively binds to and blocks the activity of the human substance P/NK1 receptors in the central nervous system (CNS), thereby inhibiting NK1-receptor binding of the endogenous tachykinin neuropeptide substance P (SP), which may result in the prevention of chemotherapy-induced nausea and vomiting (CINV). -
α1 receptor antagonist
Tamsulosin hydrochloride is a selective α1 receptor antagonist and a medicine which is used in benign prostatic hyperplasia. -
ET-A and ET-B antagonist
Bosentan is an endothelin (ET) receptor antagonist for ET-A and ET-B with Ki of 4.7 nM and 95 nM, respectively. -
5HT3-receptor antagonist
Alosetron is s Serotonin 5HT3-receptor antagonist that is used in treatment of irritable bowel syndrome. -
CXCR4 antagonist
AMD-070 hydrochloride is a potent and selective antagonist of CXCR4 with an IC50 value of 13 nM in a CXCR4 125I-SDF inhibition binding assay, inhibit the replication of T-tropic HIV-1 (NL4.3 strain) in MT-4 cells and PBMCs. -
Endothelin antagonist receptor
Atrasentan hydrochloride is an endothelin antagonist receptor (IC50=0.0551 nM, ETA) being developed for the treatment of prostate cancer. -
H3 receptor antagonist
Bavisant dihydrochloride is a highly selective, orally active antagonist of the human H3 receptor with a novel mechanism of action, involving wakefulness and cognition, with potential as a treatment for ADHD. -
H3 receptor antagonist
Bavisant dihydrochloride hydrate is a highly selective, orally active antagonist of the human H3 receptor with a novel mechanism of action, involving wakefulness and cognition, with potential as a treatment for ADHD. -
D3/D2 Dopamine Receptor Antagonist
Cariprazine hydrochloride is a novel antipsychotic drug candidate that exhibits high selectivity and affinity to dopamine D3(Ki=0.09 nM) and D2 (Ki=0.5 nM) receptors and moderate affinity to serotonin 5-HT(1A) receptors. -
H1-receptor antagonist
Cetirizine, a second-generation antihistamine, is a major metabolite of hydroxyzine, and a racemic selective H1 receptor inverse agonist used in the treatment of allergies, hay fever, angioedema, and urticaria. -
H1 histamine receptor antagonist
Clemizole hydrochloride is an antagonist of H1 histamine receptor with an IC50 value of 8 mM for NS4B RNA binding. -
5-HT1C receptor antagonist
Clozapine N-oxide is a major metabolite of Clozapine noted to decrease SR-2A (5-HT2 serotonin receptor) density in vitro. -
H2-receptor antagonist
Ebrotidine is a competitive H2-receptor antagonist (Ki= 127.5 nM) with a potent antisecretory activity and evidenced gastroprotection. -
5-HT3 antagonist
Granisetron is a serotonin 5-HT3 receptor antagonist used as an antiemetic to treat nausea and vomiting following chemotherapy.