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BMS-779788

Alias: XL-652; XL652; BMS-779,788; 918348-67-1; BMS 788; FB7ZTJ8M8A; XL-014; EXEL 04286,652; EXEL-04286,652; XL652; EXEL 04286652; EXEL04286652; EXEL-04286652; BMS-779788; BMS 779788; BMS779788; BMS-788; BMS 788; BMS788
Cat No.:V3482 Purity: ≥98%
BMS-779788 (formerlyknown as XL-652, EXEL 04286652 and BMS-788) is a novel and potentLXR (Liver X Receptors)partial agonist withIC50values of 68 nM for LXRαand 14 nM for LXRβ.
BMS-779788
BMS-779788 Chemical Structure CAS No.: 918348-67-1
Product category: LXR
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

BMS-779788 (formerly known as XL-652, EXEL 04286652 and BMS-788) is a novel and potent LXR (Liver X Receptors) partial agonist with IC50 values of 68 nM for LXRα and 14 nM for LXRβ. BMS-779788 exhibits LXRβ selectivity with an improved therapeutic window in the cynomolgus monkey compared with a full pan agonist. BMS-779788 induced LXR target genes in blood in vivo with an EC50 = 610 nM, a value similar to its in vitro blood gene induction potency. BMS-779788 was 29- and 12-fold less potent than the full agonist T0901317 in elevating plasma triglyceride and LDL cholesterol, respectively, with similar results for plasma cholesteryl ester transfer protein and apolipoprotein B. However, ABCA1 and ABCG1 mRNA inductions in blood, which are critical for RCT, were comparable. Increased liver triglyceride was observed after 7-day treatment with BMS-779788 at the highest dose tested and was nearly identical to the dose response for plasma triglyceride, consistent with the central role of liver LXR in these lipogenic effects. Dose-dependent increases in biliary cholesterol and decreases in phospholipid and bile acid occurred in BMS-779788-treated animals, similar to LXR agonist effects reported in mouse. In summary, BMS-779788, a partial LXRβ selective agonist, has decreased lipogenic potential compared with a full pan agonist in cynomolgus monkeys, with similar potency in the induction of genes known to stimulate RCT. This provides support in nonhuman primates for improving LXR agonist therapeutic windows by limiting LXRα activity.

Biological Activity I Assay Protocols (From Reference)
Targets
LXRα (IC50 = 68 nM); LXRβ (IC50 = 14 nM)
ln Vitro
In human whole blood, the ATP-binding transporters ABCA1 and ABCG1 were found to be strongly induced by the LXR selective partial agonist BMS-779788 (EC50=1.2 μM, 55% effectiveness) [2].
In an effort to improve the potency of the molecules, alternatives to the phenyl substitution were prepared leading to the benzylic imidazoles such as 16 and 17, which both had improved LXRβ agonist potency. Further investigation of the benzylic substitutions afforded the gem-dimethyl analog 18/BMS-779788. These benzyl imidazoles maintained moderate LXRβ binding selectivity and 15–38% partial LXRα agonist efficacy with 43–72% efficacy at LXRβ (Table 2). Importantly 18/BMS-779788 had improved potency in the ABCA1 hWBA (EC50 = 1.2 μM) with partial efficacy (55%), which compares favorably with 2a (hWBA EC50 = 4.6 μM, 56%). As well 18/BMS-779788 is a highly selective LXR agonist when tested against a panel of 14 NHRs at 10 μM, displaying agonist activity only for PXR (EC50 = 2 μM).
ln Vivo
BMS-779788 has a similar potency to that of its in vitro blood gene induction when it comes to inducing LXR target genes in blood in vivo (EC50=610 nM). When it came to increasing plasma triglycerides and LDL cholesterol, BMS-779788 was shown to be 29 and 12 times less powerful than the full agonist T0901317, respectively. Similar results were observed for plasma cholesteryl ester transfer protein and apolipoprotein B [1]. BMS-779788 showed better induction than full agonists by peripherally inducing ABCA1 in mice at doses of 3 and 10 mpk without causing appreciable increases in plasma or liver triglycerides at these levels. circumstances [2].
Liver X Receptors (LXRs) α and β are nuclear hormone receptors that regulate multiple genes involved in reverse cholesterol transport (RCT) and are potential drug targets for atherosclerosis. However, full pan agonists also activate lipogenic genes, resulting in elevated plasma and hepatic lipids. We report the pharmacology of BMS-779788 [2-(2-(1-(2-chlorophenyl)-1-methylethyl)-1-(3'-(methylsulfonyl)-4-biphenylyl)-1H-imidazol-4-yl)-2-propanol], a potent partial LXR agonist with LXRβ selectivity, which has an improved therapeutic window in the cynomolgus monkey compared with a full pan agonist. BMS-779788induced LXR target genes in blood in vivo with an EC50 = 610 nM, a value similar to its in vitro blood gene induction potency. BMS-779788 was 29- and 12-fold less potent than the full agonist T0901317 in elevating plasma triglyceride and LDL cholesterol, respectively, with similar results for plasma cholesteryl ester transfer protein and apolipoprotein B. However, ABCA1 and ABCG1 mRNA inductions in blood, which are critical for RCT, were comparable. Increased liver triglyceride was observed after 7-day treatment with BMS-779788 at the highest dose tested and was nearly identical to the dose response for plasma triglyceride, consistent with the central role of liver LXR in these lipogenic effects. Dose-dependent increases in biliary cholesterol and decreases in phospholipid and bile acid occurred in BMS-779788-treated animals, similar to LXR agonist effects reported in mouse. In summary, BMS-779788, a partial LXRβ selective agonist, has decreased lipogenic potential compared with a full pan agonist in cynomolgus monkeys, with similar potency in the induction of genes known to stimulate RCT. This provides support in nonhuman primates for improving LXR agonist therapeutic windows by limiting LXRα activity.[2]
Enzyme Assay
Human whole blood assays. Human whole blood was collected in EDTA containing tubes and 0.5 mL aliquots were immediately mixed in a 96 well block with the appropriate dilution of test compound/BMS-779788, in 0.5% DMSO. Samples were incubated at 37 °C with constant rotation for 4 h. Following cell lysis, total RNA was purified, cDNAs were synthesized, and mRNAs were quantitated using SYBR-Green Quantitative PCR (Q-PCR) on an ABI Prism 7900HT Sequence Detection System.[2]
The binding affinities were determined individually for LXRα and LXRβ utilizing a scintillation proximity binding assay that employs RXRα-LXRα, and RXRα-LXRβ heterodimers expressed in insect cells. Isoform selective agonist activities were assessed in transactivation assays in which LXRα or LXRβ were co-transfected in CV-1 cells with the luciferase reporter LXREx1-tk-luc. In order to observe the overall effects on gene transcription, compounds were profiled using endogenous LXRα and LXRβ receptors in an ABCA1 LXREx3 reporter assay in HeLa cells. HeLa cells were transfected with ABCA1x3-tk-luc reporter and pCMXβ galactosidase plasmids and assayed for luciferase activity as described above[2].
Animal Protocol
Study Design: [1]
The study utilizes male cynomolgus monkeys.
Single-Dose PK-PD Study:
Two animals each receive either a vehicle control (0.5% carboxymethyl cellulose and 2% Tween 80 in purified water) or 1 mg/kg BMS-779788.

7-Day PD Study:
Eighteen animals (3–6 kg) are randomized into six treatment groups (N=3 per group). From day 1 to day 7, each group receives daily oral gavage at 7 AM with one of the following treatments:
Vehicle control
10 mg/kg/day T0901317
0.3, 1, 3, or 10 mg/kg/day BMS-779788
Mice were dosed (n = 3) by oral gavage with suspension dosing of drug BMS-779788 in 0.75% CMC/0.1% Tween 80 in water. [2]

Mice (C57BL/6) were dosed in vehicle containing 0.75% carboxymethyl cellulose and 0.1% Tween 80 in deionized water for 7 days. ABC transporter mRNA was measured at 5 h post dose last dose. Triglycerides and liver SREBP1c and FAS mRNAs were measured at 24 h post last dose. Pan-agonist 3c was used as a control in the experiment.[2]
ADME/Pharmacokinetics
Both 16 and 18/BMS-779788 had high 5–6 μM 4 h plasma exposures in mouse PK with low 24 h liver exposures (Table 3), indicating they would not have a long liver residence time that might result in increased hepatic triglyceride production. [2]
References

[1]. Pharmacological characterization of a novel liver X receptor agonist with partial LXRα activity and a favorable window in nonhuman primates. J Pharmacol Exp Ther. 2015 Feb;352(2):305-14.

[2]. Liver X receptor (LXR) partial agonists: biaryl pyrazoles and imidazoles displaying a preference for LXRβ. Bioorg Med Chem Lett. 2015 Jan 15;25(2):372-7.

Additional Infomation
BMS-779788 is a small molecule drug with a maximum clinical trial phase of I and has 1 investigational indication.
A series of biaryl pyrazole and imidazole Liver X Receptor (LXR) partial agonists has been synthesized displaying LXRβ selectivity. The LXRβ selective partial agonist 18 was identified with potent induction of ATP binding transporters ABCA1 and ABCG1 in human whole blood (EC50=1.2μM, 55% efficacy). In mice 18 displayed peripheral induction of ABCA1 at 3 and 10mpk doses with no significant elevation of plasma or hepatic triglycerides at these doses, showing an improved profile compared to a full pan-agonist.[2]
Based on the hWBA potency, partial LXRα agonism and LXRβ selectivity, mice were dosed with 18/BMS-779788 for 7 days at 0.3, 1, 3, 10 and 30 mpk per day to assess the ABCA1 and ABCG1 blood cell gene induction, as well as plasma and liver triglyceride levels (Fig. 3).37, 38 Significant ABCA1 inductions were observed at the 3, 10 and 30 mpk doses, with ABCG1 showing a similar pattern, and 5 h drug exposures of 0.05, 0.20 and 2.0 μM, respectively. The mouse in vitro EC50 to induce ABCA1 in whole blood was 0.12 μM, which was similar to the plasma drug exposures needed for ABCA1 induction in vivo. The 3 and 10 mpk doses of 18/BMS-779788 gave significant ABCA1 mRNA inductions with no significant plasma or hepatic triglyceride elevation. Plasma triglycerides were significantly elevated 74–108% at only the 30 mpk dose, and no significant hepatic triglyceride elevations were observed at any dose in contrast to the control pan agonist, which had 4.8 fold increase in hepatic triglyceride compared to vehicle. The reduced induction of LXR target genes SREBP1c and FAS in the liver likely accounts for the reduced lipogenic profile of 18/BMS-779788. In the liver SREBP1c was significantly induced to 2.7 and 3.5 fold over vehicle at 10 and 30 mpk, compared to 7.7 fold induction with 3c treatment; whereas FAS had no significant changes up to 30 mpk. [2]
These undesirable effects on plasma lipids have been the major impediment for the development of LXR agonist therapeutics. It is likely that LXRα is the isoform that mediates most of the hepatic effects, at least in mice, because LXRα null mice have reduced lipogenic responses to pan agonists (Lund et al., 2006; Quinet et al., 2006). Furthermore, LXR pan agonists inhibit atherosclerosis in these mice, indicating that LXRβ is sufficient to bring about the beneficial effects (Bradley et al., 2007). Thus, one approach to limit lipogenesis is to selectively target LXRβ. However, this approach has not been adequately tested in primates. We report here the in vivo pharmacology in cynomolgus monkeys of BMS-779788, a novel partial, LXRβ-selective LXR agonist. This compound has decreased lipogenic potential compared with a full pan agonist while maintaining similar induction of genes known to enhance RCT. [1]
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C28H29CLN2O3S
Molecular Weight
509.0595
Exact Mass
508.158
Elemental Analysis
C, 66.06; H, 5.74; Cl, 6.96; N, 5.50; O, 9.43; S, 6.30
CAS #
918348-67-1
PubChem CID
59251511
Appearance
White to off-white solid powder
Density
1.2±0.1 g/cm3
Boiling Point
738.7±70.0 °C at 760 mmHg
Flash Point
400.6±35.7 °C
Vapour Pressure
0.0±2.6 mmHg at 25°C
Index of Refraction
1.605
LogP
4.85
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
6
Heavy Atom Count
35
Complexity
819
Defined Atom Stereocenter Count
0
SMILES
ClC1=C([H])C([H])=C([H])C([H])=C1C(C([H])([H])[H])(C([H])([H])[H])C1=NC(=C([H])N1C1C([H])=C([H])C(C2C([H])=C([H])C([H])=C(C=2[H])S(C([H])([H])[H])(=O)=O)=C([H])C=1[H])C(C([H])([H])[H])(C([H])([H])[H])O[H]
InChi Key
JLPURTXCSILYLW-UHFFFAOYSA-N
InChi Code
InChI=1S/C28H29ClN2O3S/c1-27(2,23-11-6-7-12-24(23)29)26-30-25(28(3,4)32)18-31(26)21-15-13-19(14-16-21)20-9-8-10-22(17-20)35(5,33)34/h6-18,32H,1-5H3
Chemical Name
2-(2-(2-(2-chlorophenyl)propan-2-yl)-1-(3'-(methylsulfonyl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-4-yl)propan-2-ol
Synonyms
XL-652; XL652; BMS-779,788; 918348-67-1; BMS 788; FB7ZTJ8M8A; XL-014; EXEL 04286,652; EXEL-04286,652; XL652; EXEL 04286652; EXEL04286652; EXEL-04286652; BMS-779788; BMS 779788; BMS779788; BMS-788; BMS 788; BMS788
HS Tariff Code
2934.99.9001
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)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~196.44 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 2.5 mg/mL (4.91 mM) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (4.91 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.9644 mL 9.8220 mL 19.6440 mL
5 mM 0.3929 mL 1.9644 mL 3.9288 mL
10 mM 0.1964 mL 0.9822 mL 1.9644 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.

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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.

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Clinical Trial Information
Multiple-Dose Study to Evaluate the Safety, Pharmacokinetics and Pharmacodynamics of BMS-779788 in Healthy Subjects
CTID: NCT00836602
Phase: Phase 1
Status: Completed
Date: 2011-02-23
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