Ulotaront (SEP-363856, SEP-856) is a novel psychotropic agent with agonism at trace amine receptor 1 (TAAR1) and 5-HT1A receptors but no appreciable action at dopamine D2 receptors.Ulotaront significantly reduced the ketamine-induced increase in dopamine synthesis capacity.

TT-OAD2 is a potent, selective, non-peptide agonist of glucagon-like peptide-1 (GLP-1) receptor with EC50 of 5 nM.TT-OAD2 inhibited GLP-1- and oxyntomodulin-mediated cAMP, calcium, pERK1/2 and β-arrestin responses in a concentration-dependent manner.TT-OAD2 exhibits biased agonism, and kinetics of G-protein activation and signalling that are distinct from peptide agonists.

TT-OAD2 hydrochloride is a potent, selective, non-peptide agonist of glucagon-like peptide-1 (GLP-1) receptor with EC50 of 5 nM.TT-OAD2 inhibited GLP-1- and oxyntomodulin-mediated cAMP, calcium, pERK1/2 and β-arrestin responses in a concentration-dependent manner.TT-OAD2 exhibits biased agonism, and kinetics of G-protein activation and signalling that are distinct from peptide agonists.

TPN672 (TPN 672) a novel antipsychotic compound with high affinity for serotonin and dopamine receptors 5-HT1AR, (Ki=0.23 nM), 5-HT2AR (Ki=2.58 nM) as well as moderate affinity for D3R (Ki=11.55 nM) and D2R (Ki=17.91 nM).TPN672 acted as a potent 5-HT1AR agonist, D2R/D3R partial agonist, and 5-HT2AR antagonist in vitro functional assays.TPN672 displayed robust antipsychotic efficacy in rodent models (e.g., blocking phencyclidine-induced hyperactivity), significantly better than aripiprazole, and ameliorated negative symptoms and cognitive deficits in the sociability test, dark avoidance response, Morris water maze test, and novel object recognition test.

TASP0410461 is a potent, selective histamine H3 receptor antagonist/inverse agonist.

RTICBM-74 is a potent, selective, brain-penetrant CB1 negative allosteric modulator (NAM) with IC50 of 23 nM in Ca2+ assays.RTICBM-74 displays excellent half-life and low clearance against rat liver microsomes and hepatocytes, and excellent brain penetrance in rats.RTICBM-74 specifically reduces alcohol intake across a range of doses in male or female Wistar or Long-Evans rats, reduces alcohol intake and does not affect locomotion or sucrose self-administration.

RTICBM-229 is a potent, selective, brain-penetrant CB1 negative allosteric modulator (NAM) with IC50 of 169 nM in Ca2+ assay, 40 nM in GTPγS assay.

RS-1748 is a highly potent, selective, orallu active CCR4 antagonist, inhibits [125I]CCL17 binding to human CCR4 with IC50 of 59.9 nM.RS-1748 displays no competitive displacement in the binding of [125I]CCL3 (MIP-1α) to CCR1 and [125I]CCL2 (MCP-1) to CCR2b. dose-dependently inhibited 50 nM CCL22-induced [Ca2+]i mobilization with IC50 of 28.3 nM, inhibited the binding of [35S]GTPgS to human CCR4-expressing CHO cells with IC50 of 18.4 nM.Orally administered RS-1748 (30 mg/kg) significantly lowered the total cell numbers and the eosinophils numbers in ovalbumin-sensitized guinea pigs.

RS-1269 is a highly potent, selective CCR4 antagonist, inhibits [125I]CCL17 binding to human CCR4 with IC50 of 27.7 nM.RS-1269 also has strong affinity to displace the CCL17 binding with IC50 of 27.0 nM in CCR4-expressing CHO cells.RS-1269 displays no competitive displacement in the binding of [125I]CCL3 (MIP-1α) to CCR1 and [125I]CCL2 (MCP-1) to CCR2b.RS-1269 dose-dependently inhibited CCL17-induced migration of Th2 cells with IC50 of 5.5 nM.Orally administered RS-1269 (30 mg/kg) ameliorates ovalbumin-induced ear swelling in mice.RS-1269 also inhibited LPS-induced TNF-α production in vivo.

R995045 is a novel δ-opioid receptor (δOR) agonist with pKi of 5.94, cAMP pIC50 of 6.01, >10-fold selectivity over µOR and κOR.R995045 acts as a negative allosteric modulator for leu-enkephalin potency in the cAMP glosensor assay.

PZ-1361 is a potent and selective 5-HT7 receptor antagonist with Ki of 33 nM, exhibit significant in vivo antidepressant and pro-cognitive properties in rodents.

PSB-17365 is a potent, selective, Gi-biased agonist of GPR84 with EC50 of 2.5 nM, β-arrestin IC50 of 104 nM in human GPR84-expressing cells.

PSB-1584 is a potent, selective agonist of GPR84 with EC50 of 5.0 nM, β-arrestin IC50 of 3.2 nM in human GPR84-expressing cells.

PF-06669571 (PF 6669571) is a novel dopamine D1 receptor (D1R) partial agonist with Ki of 10 nM, demonstrates efficacy in pre-clinical models of Parkinson’s disease symptoms.

PBI-4547 is an agonist of GPR40/120 and an antagonist of GPR84, also is a partial ligand and activator of PPAR.PBI-4547 dose-dependently inhibits GPR84/Gαi2 activation (reflected by an increase in BRET signal) with IC50 of 17 uM, activates GPR40 (EC50 of 102 µM for Gαq and 16 µM for Gαi2) and dose-dependently promoted β-arrestin-2 recruitment to GPR120 (EC50=148 uM).PBI-4547 prevents progression, improves glucose metabolism in a mouse model of NAFLD, restores hepatic glucose and FA metabolism.

OX2R agonist 1 is a potent, selective, small-molecule agonist of orexin receptor 2 (OX2R) with pEC50 of 8.28, >300-fold selectivity over OX1R.

ONO-8055 is a highly selective and potent EP2/EP3 dual agonist with EC50 of 0.67/0.7 nM, shows >450-fold selectivity over EP4 receptors (EC50=339 nM); improves the lower urinary tract dysfunctions of neurogenic UAB in a rat lumber spinal canal stenosis model with twice-daily (bid) oral dosing of 0.01 mg/kg, demonstrates much higher in vivo efficacy than the currently used drug for UAB.

ML381 (VU0488130) is a highly mAChR subtype selective M5 orthosteric antagonist with IC50/Ki of 450/340 nM for hM5, has no inhibitory activity on hM1-4 (IC50>30 uM); exhibits good DMPK properties and CNS penetration (B:P ratio of 0.58) to support both in vitro and in vivo studies.

MK-8666 is a selective partial GPR40 agonist developed for the treatment of type 2 diabetes mellitus.

LSN3172176 is a novel potent, selectiive M1 mAChR partial agonist (EC50 2.4-7.0nM, Emax 43%-73%), shows binding selectivity for M1 mAChRs (Kd=1.5 nM); LSN3172176 is a potential PET tracer for assessment of M1 mAChR target engagement in the clinic and to further elucidate the function of M1 mAChRs in health and disease.

Lazucirnon (KST4290, ALK4290) is a small molecule, orally active inhibitor against CCR3, the natural receptor for chemokine eotaxin, decreases inflammatory cytokines in preclinical models.Lazucirnon (KST4290, ALK4290) blocks eotaxin from binding to its G-protein coupled receptor (GPCR) CCR3.CCR3 plays an important modulatory role in inflammation, immune cell recruitment, and neovascularization, processes important for the pathogenesis of wet age-related macular degeneration (wet AMD) and other neurological and immunological diseases.

IS811 is a potent, selective CCR3 antagonist with IC50 of 2.0 nM, potently inhibits chemotaxis with EC50 of 19 nM.IS811 displays >100-fold selectivity over 5-HT2a, DAT and NET.IS811 (0-20 mg/kg) dose-dependently inhibited eotaxin-induced eosinophil influx to the lung in vivo.

Inupadenant (EOS-850, EOS100850) is a non brain-penetrant, potent and highly selective small molecule antagonist of adenosine A2a receptor (A2AR), shows activity at the high adenosine concentrations found in tumors.

I-287 is a potent, selective, orally active inhibitor of PAR2, negative PAR2 allosteric modulator, inhibits PAR2-mediated activation of Gq and G12/13 but not Gi/o proteins (IC50=45-390 nM); I-287 is a negative allosteric modulator (NAM) and not an orthosteric competitive antagonist of hPAR2. I-287 inhibits PAR2-mediated activation of DAG/Ca2+/PKC and RhoA/SRF-RE, as well as FAK and ERK1/2 signaling pathways, shows no effect on PAR2-mediated recruitment of βarrestin2 and receptor internalization. I-287 inhibits PAR2-induced secretion of IL-8 cytokine in vitro and reduces Freund's adjuvant (CFA)-induced paw edema model in mice.

HF50731 (HF-50731) is a novel potent, selective CXCR4 antagonist with Ki of 19.8 nM in the CXCR4 competitive binding assay.HF50731 significantly inhibited SDF-1α-induced calcium mobilization (IC50=621 nM) and cell migration, and blocked HIV-1 infection via antagonizing CXCR4 coreceptor function (IC50=1.5 uM).The structure-activity relationship analysis demonstrated that HF50731 could primarily occupy the minor subpocket of CXCR4 and partially bind in the major subpocket by interacting with residues W94, D97, D171, and E288.

GSK812397 is a potent, selective, noncompetitive, orally available antagonist of CXCR4 receptor, inhibits entry of X4-tropic strains of HIV-1 with IC50 of 4.60 nM and 1.50 nM in PBMCs and HOS assays, respectively; does not block CCR5-mediated viral entry in the R5 viral HOS assay (IC50>25 uM); produces a concentration-dependent decrease in both an SDF-1-mediated chemotaxis and intracellular calcium release (IC50=0.34 nM and 2.41 nM, respectively) in cell-based functional assays; demonstrates antiviral activity against a broad range of X4-utilizing strains of HIV-1.

GSK-588045 is a potent and selective 5-HT1A/B/D receptor antagonist with Ki of 9.5/8.8/9.8, respectively; exhibits high selectivity over human hERG potassium channels, favorable pharmacokinetics, and excellent activity in vivo in rodent pharmacodynamic (PD) models; demonstrates potential as a faster acting antidepressant/anxiolytic with reduced side-effect burden.

GSK-2239633 is a potent, selective, allosteric CCR4 antagonist with pIC50 of 7.96; also inhibits TARC-induced increases in the F-actin content of isolated human CD4+ CCR4+ T-cells with pA2 of 7.1.

GSK-1842799 is a potent, selective, oral bioavailable S1P1 agonist with bind affinity of 0.52 nM; displays an excellent selectivity (>3,000-fold) for S1P1 over S1P3; significantly reduces blood lymphocyte at 3 mg/kg, achieves efficacy equivalent to FTY720 in the mouse EAE model of MS.

GSK1034702 (GSK-1034702) is a potent, allosteric M1 receptor agonist, inhibits binding of [3H]-NMS (0.5 nM) to M1 mAChR with pKi of 6.5; improves memory encoding potentially by modulating hippocampal function.