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Purity: ≥98%
Lumateperone (ITI-722; ITI722; Caplyta) is a novel, potent, first-in-class and dual 5HT2A receptor antagonist and dopamine receptor phosphoprotein modulator (DPPM). It is an atypical antipsychotic butyrophenone that was approved in 2019 to treat schizophrenia. It is also being developed for bipolar depression and other neurological indications.
Targets |
5-HT2A receptor (Ki = 0.54 nM)
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ln Vitro |
Lumateperone (2-30 μM) exhibits anti-tumor activity and has the ability to dose-dependently inhibit cell proliferation[1].
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ln Vivo |
Lumateperone (i.p., 1–10 mg/kg) increases glutamate and dopamine release in rat mPFC slices and promotes NMDA and AMPA-induced currents in a dopamine D1 receptor-dependent manner[2].
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Enzyme Assay |
Lumateperone is able to permeate multidrug resistance protein 1 (MDR1) and is very lipophilic at a pH of 7.4, which are characteristics that allow the antipsychotic to be absorbed in the small intestine and the blood brain barrier. Tmax occurs 3-4 hours after oral administration.
Lumateperone is extensively metabolized. The carbonyl side chain is reduced by ketone reductase to produce the primary active metabolite. Cytochrome P450 3A4 enzymes metabolize lumateperone to 2 metabolites: the active N-desmethylated carbonyl metabolite (IC200161) or the N-desmethylated alcohol metabolite (IC200565). |
Animal Protocol |
Adult male Sprague-Dawley rats
1-10 mg/kg Intraperitoneal injection |
References | |
Additional Infomation |
Pharmacodynamics
Lumateperone, also known as ITI-007, is an atypical antipsychotic that has proven to be effective in the treatment of schizophrenia. Lumateperone's receptor binding profile is unique, allowing it to target schizophrenia related symptoms while minimizing adverse effects. In contrast to other second generation antipsychotics such as [lurasidone] and [brexpiprazole], lumateperone behaves as a partial agonist and as an antagonist at pre and postynaptic dopamine (D2) receptors respectively. Patients with moderate or severe hepatic impairment (Child-Pugh class B or C) tend to have higher plasma concentrations of lumateperone than those with normal hepatic function. For this reason, patients with moderate or severe hepatic impairment should receive half the recommended daily dosage. Biological Half-Life Lumateperone's half life is reported to be between 13 to 18 hours. The reported half lives of the metabolites ICI200161 and ICI200131, are 20 and 21 hours respectively. Mechanism of Action There is much to learn about the pathophysiology of schizophrenia; however, dopamine abnormalities, specifically in the prefrontal and mesolimbic brain regions, are consistent in people with schizophrenia. In addition to dopamine, other neurotransmitters such as serotonin, glutamate, GABA and acetylcholine are thought to play a role. Lumateperone is unique among second generation antipsychotics based on its target profile and dopamine D2 receptor occupancy. Unlike other antipsychotics, lumateperone has partial agonist activity at presynaptic dopamine (D2) receptors, resulting in reduced presynaptic release of dopamine, and antagonistic activity at postsynaptic dopamine (D2) receptors. These characteristics allow lumateperone to efficiently reduce dopamine signaling. Lumateperone also targets dopamine (D1) receptors, and a useful secondary result of D1 activation is increased glutamatergic N-methyl-D-aspartate (NMDA) GluN2B receptor phosphorylation. This is significant since NMDA mediated glutamate signaling appears to be impaired in patients who have schizophrenia. Finally, lumateperone is capable of modulating serotonin by inhibiting serotonin transporters (SERT), and by behaving as a 5-HT2A receptor antagonist. Hepatotoxicity In preregistration controlled trials, ALT elevations arose in 2% of patients receiving lumateperone compared to less than 1% of placebo controls. The elevations, however, were usually mild, transient and typically resolved without dose modification or drug discontinuation. In preregistration trials, there were no instances of severe hepatic adverse events, discontinuations because of liver related events or episodes of clinically apparent liver injury with jaundice. Since its approval and more widescale use, there have been no published reports of liver injury with symptoms or jaundice attributed to lumateperone therapy, but clinical experience with its use has been limited. Likelihood score: E (unlikely cause of clinically apparent liver injury). |
Molecular Formula |
C24H28FN3O
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Molecular Weight |
393.497
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Exact Mass |
393.22
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Elemental Analysis |
C, 73.26; H, 7.17; F, 4.83; N, 10.68; O, 4.07
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CAS # |
313368-91-1
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Related CAS # |
Lumateperone tosylate; 1187020-80-9; 313368-91-1
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PubChem CID |
21302490
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Appearance |
Colorless to light yellow ointment
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Density |
1.3±0.0 g/cm3
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Boiling Point |
556.4±0.0 °C at 760 mmHg
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Flash Point |
290.3±0.0 °C
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Vapour Pressure |
0.0±0.0 mmHg at 25°C
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Index of Refraction |
1.646
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LogP |
3.39
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tPSA |
26.8Ų
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SMILES |
CN1CCN2[C@H]3CCN(C[C@H]3C4=C2C1=CC=C4)CCCC(=O)C5=CC=C(C=C5)F
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InChi Key |
HOIIHACBCFLJET-SFTDATJTSA-N
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InChi Code |
InChI=1S/C24H28FN3O/c1-26-14-15-28-21-11-13-27(16-20(21)19-4-2-5-22(26)24(19)28)12-3-6-23(29)17-7-9-18(25)10-8-17/h2,4-5,7-10,20-21H,3,6,11-16H2,1H3/t20-,21-/m0/s1
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Chemical Name |
1-(4-fluorophenyl)-4-[(10R,15S)-4-methyl-1,4,12-triazatetracyclo[7.6.1.05,16.010,15]hexadeca-5,7,9(16)-trien-12-yl]butan-1-one
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Synonyms |
ITI 722; ITI007; ITI722; ITI007; ITI-007; ITI-722
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HS Tariff Code |
2934.99.9001
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
DMSO: ~79 mg/mL (~200.8 mM)
Ethanol: ~79 mg/mL |
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Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 :Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400  (Please use freshly prepared in vivo formulations for optimal results.) |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 2.5413 mL | 12.7065 mL | 25.4130 mL | |
5 mM | 0.5083 mL | 2.5413 mL | 5.0826 mL | |
10 mM | 0.2541 mL | 1.2706 mL | 2.5413 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration: mg/mL;
Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
NCT06174116 | Not yet recruiting | Drug: Lumateperone Drug: Placebo |
Schizophrenia Schizo Affective Disorder |
Xiaoduo Fan | February 2024 | Phase 4 |
NCT05890768 | Recruiting | Drug: Lumateperone Drug: Risperidone |
Psychosis | University of New Mexico | May 11, 2023 | Phase 4 |
NCT05850689 | Recruiting | Drug: Placebo Drug: Lumateperone |
Major Depressive Disorder | Intra-Cellular Therapies, Inc. | May 2, 2023 | Phase 3 |
NCT04959032 | Recruiting | Drug: Lumateperone 42 mg Drug: Placebo |
Schizophrenia | Intra-Cellular Therapies, Inc. | July 8, 2021 | Phase 3 |
NCT05061706 | Recruiting | Drug: Lumateperone Drug: Placebo |
Major Depressive Disorder | Intra-Cellular Therapies, Inc. | September 30, 2021 | Phase 3 |
Lumateperone (1,3 and 10 mg/kg) suppressed the avoidance response 20 min post injection. Eur Neuropsychopharmacol . 2022 Sep:62:22-35. td> |
Effect of lumateperone on NMDA and AMPA receptor-mediated glutamatergic transmission in layer V/VI pyramidal cells in the rat mPFC. Eur Neuropsychopharmacol . 2022 Sep:62:22-35. td> |
The effect of 1, 3 and 10 mg/kg lumateperone on dopamine release in the rat medial prefrontal cortex (mPFC). Eur Neuropsychopharmacol . 2022 Sep:62:22-35. td> |