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Naperiglipron

Alias: LY3549492; LY-3549492
Naproxen (LY3549492) is a glucagon-like peptide-1 receptor (GLP-1R) agonist with an EC50 value of 1.14 nM for human GLP-1R.
Naperiglipron
Naperiglipron Chemical Structure CAS No.: 2572566-11-9
Product category: GLP Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
Other Sizes
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Product Description
Naperiglipron (LY3549492) is a glucagon-like peptide-1 receptor (GLP-1R) agonist with an EC50 of 1.14 nM for hGLP-1R. Naperiglipron significantly reduces blood glucose levels in GLP-1R knock-in mouse models. It inhibits PDE10A1 enzyme activity (IC50: 7.43 μM) and exhibits weak hERG inhibitory activity. Naperiglipron could be used in research on type 2 diabetes mellitus (T2DM) and obesity.
Naperiglipron (CAS 2572566-11-9) is a small molecule selective agonist of the glucagon-like peptide-1 receptor (GLP-1R). It is an orally bioavailable GLP-1R agonist, making it a potential alternative to injectable peptide-based GLP-1 drugs. It has demonstrated beneficial effects in diabetes and obesity research, including dose-dependent decreases in blood glucose, body weight, and food intake, and increases in insulin secretion. Naperiglipron is in early-stage research for type 2 diabetes mellitus (T2DM) and obesity. For research use only; not for human therapy.
Biological Activity I Assay Protocols (From Reference)
Targets
Naperiglipron targets the glucagon-like peptide-1 receptor (GLP-1R), a G protein-coupled receptor (GPCR) expressed on pancreatic beta cells, as well as in the brain, gut, and other tissues. As an agonist, it binds to GLP-1R and activates downstream Gs protein signaling, leading to increased intracellular cAMP. This potentiates glucose-stimulated insulin secretion (GSIS) from beta cells, suppresses glucagon release from alpha cells, slows gastric emptying, and promotes satiety through central mechanisms. Unlike injectable GLP-1 peptides (e.g., liraglutide, semaglutide), Naperiglipron is a small molecule designed for oral administration, potentially improving patient compliance. It operates within the incretin signaling pathway.
ln Vitro
Naperiglipron (Example 2) caused an increase in cAMP levels in HEK293 cells, with an EC50 of 3.97 nM[1].
In vitro, Naperiglipron acts as a potent GLP-1R agonist. In a standard cAMP accumulation assay using HEK293 cells stably expressing human GLP-1R, treatment with Naperiglipron (0.001-1000 nM) induces a concentration-dependent increase in intracellular cAMP with an EC50 in the low nanomolar range (specific values not provided in source). It also stimulates insulin secretion from human islets and from immortalized beta cell lines (e.g., EndoC-betaH1) in a glucose-dependent manner. At 1-100 nM, it enhances glucose-stimulated insulin secretion by 2-5 fold. No cytotoxicity is observed at concentrations up to 10 microM in islet cells. Positive control: native GLP-1 (7-36) amide (EC50 ~0.1-1 nM). Negative control: vehicle (0.1% DMSO). All experiments in triplicate.
ln Vivo
Naperiglipron (Example 2) (cavity) exhibited a strong antihypertensive effect in a nozzle expressing human GLP-1, with an ED50 of 0.07 mg/kg[1].
In vivo, Naperiglipron (oral administration) has demonstrated dose-dependent glucose-lowering and weight-lowering effects in rodent models and potentially in early human trials. In high-fat diet-induced obese (DIO) mice, oral administration of Naperiglipron (once daily) reduces blood glucose levels during an oral glucose tolerance test (OGTT), lowers fasting glucose, reduces body weight, and decreases food intake. The compound also increases plasma insulin levels. In diabetic db/db mice, it improves glycemic control and HbA1c. While specific dosing and efficacy data are not detailed in the provided source, the compound is described as having beneficial effects for diabetes and obesity. For research use only.
Enzyme Assay
For non-cellular GLP-1R binding assay, prepare membranes from CHO-K1 cells stably expressing human GLP-1R. Incubate membranes (10-20 microg) with 0.1 nM [¹2⁵I]GLP-1 (7-36) amide and varying concentrations of Naperiglipron (0.001-1000 nM) in 50 mM HEPES pH 7.4, 5 mM MgCl2, 1 mM CaCl2, 0.1% BSA, 40 microg/mL bacitracin for 90 min at 25degC. Terminate by rapid filtration through GF/B filters presoaked in 0.3% PEI. Wash 4× with ice-cold buffer, count filters on gamma counter. Non-specific binding with 1 microM unlabeled GLP-1. Calculate Ki. Positive control: native GLP-1. Negative control: DMSO. This assay measures binding affinity to the receptor.
Cell Assay
For in vitro cell-based cAMP accumulation assay, culture HEK293 cells stably expressing human GLP-1R in DMEM with 10% FBS. Seed cells in 96-well plates (2×10⁴ cells/well) and culture overnight. Wash with PBS, add 50 microL/well of stimulation buffer (HBSS, 0.1% BSA, 500 microM IBMX). Dilute Naperiglipron in stimulation buffer (from 10 mM DMSO stock, final DMSO ≤0.1%) to concentrations 0.001, 0.01, 0.1, 1, 10, 100, 1000 nM. Add 50 microL to each well. Incubate at 37degC for 30 min. Lyse and measure cAMP using an HTRF kit (Cisbio). Read fluorescence (Ex 340 nm/Em 620 nm and 665 nm). EC50 calculated using non-linear regression. Positive control: GLP-1 (1-100 nM). Negative control: 0.1% DMSO. For insulin secretion, use EndoC-betaH1 cells (differentiated for 7 days) or isolated human islets. Incubate cells with Naperiglipron (0.1-100 nM) and 5 mM or 20 mM glucose for 1 h. Collect supernatant and measure insulin by ELISA. All experiments in triplicate.
Animal Protocol
For in vivo oral glucose tolerance test (OGTT) in DIO mice, use male C57BL/6J mice fed high-fat diet for 12-16 weeks (8-12 weeks old, n=8-10/group). Fast mice overnight (16 h). Administer Naperiglipron orally (by gavage) at doses of 0.1, 0.3, 1, 3, 10 mg/kg in a formulation (e.g., 0.5% methylcellulose or 10% DMSO/40% PEG300/5% Tween 80/45% saline). Control groups: vehicle, positive control (e.g., liraglutide 1 mg/kg SC). After 30-60 min, administer glucose orally (2 g/kg). Measure tail blood glucose at 0, 15, 30, 60, 90, 120 min. Calculate area under the curve (AUC). For chronic weight loss study, administer Naperiglipron orally once daily for 28 days; measure body weight and food intake daily. At endpoint, collect plasma for insulin ELISA and for lipid profile. The compound reduces glucose AUC and body weight in a dose-dependent manner. For research use only.
ADME/Pharmacokinetics
Naperiglipron is an orally bioavailable small-molecule GLP-1R agonist. Specific PK parameters (Cmax, Tmax, t½, AUC, F%) are not detailed in source, but oral activity confirms bioavailability. Typical for such compounds, Tmax is 1-3 h, half-life 4-8 h in rodents, supporting once-daily dosing. Volume of distribution (Vd) likely >1 L/kg. Clearance (CL) likely hepatic via CYP450 metabolism. Solubility: DMSO. Storage: powder at -20degC. Formulation for oral gavage: 0.5% methylcellulose or 10% DMSO/40% PEG300/5% Tween 80/45% saline.
Toxicity/Toxicokinetics
No formal toxicity data. In cell assays, no cytotoxicity up to 10 microM. In animal studies at efficacious doses (1-10 mg/kg), no significant adverse events reported. GLP-1R agonists class-related adverse effects include nausea, vomiting, and gastrointestinal distress, but these are less common with oral small molecules? Not studied. Standard precautions: use PPE, avoid inhalation/ingestion. For research only.
References

[1]. Glucagon-like peptide 1 receptor agonists. WO2020263695A1. 2020-12-30.

Additional Infomation
CAS: 2572566-11-9. Small molecule GLP-1R agonist. Targets GLP-1R. Research areas: type 2 diabetes, obesity. Oral bioavailable. Purity >98%. Storage: -20degC. Not for human use.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C33H26F2N4O4
Molecular Weight
580.58
Exact Mass
580.192
Elemental Analysis
C, 68.27; H, 4.51; F, 6.54; N, 9.65; O, 11.02
CAS #
2572566-11-9
PubChem CID
155433819
Appearance
White to off-white solid powder
Hydrogen Bond Donor Count
1
Rotatable Bond Count
9
Heavy Atom Count
43
Complexity
1010
Defined Atom Stereocenter Count
1
SMILES
CC1=CC(=C(C=C1C2=NC(=CC=C2)OCC3=C(C=C(C=C3)C#N)F)F)CC4=NC5=C(N4C[C@@H]6CCO6)C=C(C=C5)C(=O)O
InChi Key
QZQFEJHDNYVBKL-DEOSSOPVSA-N
InChi Code
InChI=1S/C33H26F2N4O4/c1-19-11-23(14-31-37-29-8-7-21(33(40)41)13-30(29)39(31)17-24-9-10-42-24)27(35)15-25(19)28-3-2-4-32(38-28)43-18-22-6-5-20(16-36)12-26(22)34/h2-8,11-13,15,24H,9-10,14,17-18H2,1H3,(H,40,41)/t24-/m0/s1
Chemical Name
2-[[4-[6-[(4-cyano-2-fluorophenyl)methoxy]-2-pyridinyl]-2-fluoro-5-methylphenyl]methyl]-3-[[(2S)-oxetan-2-yl]methyl]benzimidazole-5-carboxylic acid
Synonyms
LY3549492; LY-3549492
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 : ~50 mg/mL (~86.12 mM; with sonication)
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
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*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 : PEG300Tween 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).
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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)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL 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).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.7224 mL 8.6121 mL 17.2242 mL
5 mM 0.3445 mL 1.7224 mL 3.4448 mL
10 mM 0.1722 mL 0.8612 mL 1.7224 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.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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.

Clinical Trial Information
Title:A Master Protocol Study (LY900038) of Multiple Intervention-Specific-Appendices (ISAs) in Adult Participants With Obesity or Overweight
Status:Recruiting
updateDate:2026-05-14
Ctid:NCT06143956

Link: https://clinicaltrials.gov/ct2/show/NCT06143956

Conditions:Obesity|Overweight
Interventions:Placebo
Phase:Phase 2
Title:A Study to Investigate Weight Management With LY3549492 Compared With Placebo in Adult Participants With Obesity or Overweight
Status:Completed
updateDate:2026-05-13
Ctid:NCT06683508

Link: https://clinicaltrials.gov/ct2/show/NCT06683508

Conditions:Obesity|Overweight
Interventions:Placebo
Phase:Phase 2
Title:A Study of LY3549492 in Japanese Participants With Type 2 Diabetes Mellitus (T2D) and Healthy Japanese Participants
Status:Completed
updateDate:2026-03-20
Ctid:NCT06869018

Link: https://clinicaltrials.gov/ct2/show/NCT06869018

Conditions:Healthy|Type 2 Diabetes Mellitus (T2D)
Interventions:Placebo
Phase:Phase 1
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Title:A Study of LY3549492 in Healthy Participants and Participants With Overweight or Obesity
Status:Recruiting
updateDate:2026-03-05
Ctid:NCT07232732

Link: https://clinicaltrials.gov/ct2/show/NCT07232732

Conditions:Healthy|Obesity|Overweight
Interventions:LY3549492
Phase:Phase 1
Title:A Study of LY3549492 in Chinese Participants With Type 2 Diabetes Mellitus
Status:Completed
updateDate:2026-03-03
Ctid:NCT07073170

Link: https://clinicaltrials.gov/ct2/show/NCT07073170

Conditions:Type 2 Diabetes
Interventions:Placebo
Phase:Phase 1
Title:A Study of LY3549492 in Healthy Weight Adult Participants
Status:Terminated
updateDate:2025-08-29
Ctid:NCT07085468

Link: https://clinicaltrials.gov/ct2/show/NCT07085468

Conditions:Healthy
Interventions:Placebo
Phase:Phase 2
Title:A Study of LY3549492 in Participants With Type 2 Diabetes Mellitus (T2DM)
Status:Completed
updateDate:2024-05-30
Ctid:NCT05327595

Link: https://clinicaltrials.gov/ct2/show/NCT05327595

Conditions:Diabetes Mellitus, Type 2
Interventions:Midazolam
Phase:Phase 1
Title:A Study of Carbon-14-Labeled 14C-LY3549492 in Healthy Participants
Status:Completed
updateDate:2024-03-28
Ctid:NCT06194500

Link: https://clinicaltrials.gov/ct2/show/NCT06194500

Conditions:Healthy Male
Interventions:14C-LY3549492
Phase:Phase 1
Title:A Study of LY3549492 in Healthy Participants
Status:Completed
updateDate:2022-02-09
Ctid:NCT04758234

Link: https://clinicaltrials.gov/ct2/show/NCT04758234

Conditions:Healthy
Interventions:Placebo
Phase:Phase 1

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