TMC353121

Potent RSV fusion inhibitor CAS# 857066-90-1

TMC353121

Catalog No. BCC2004----Order now to get a substantial discount!

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Chemical structure

TMC353121

3D structure

Chemical Properties of TMC353121

Cas No. 857066-90-1 SDF Download SDF
PubChem ID 11249932 Appearance Powder
Formula C32H42N6O3 M.Wt 558.71
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : 50 mg/mL (89.49 mM; Need ultrasonic)
H2O : < 0.1 mg/mL (insoluble)
Chemical Name 2-[[6-[[2-(3-hydroxypropyl)-5-methylanilino]methyl]-2-(3-morpholin-4-ylpropylamino)benzimidazol-1-yl]methyl]-6-methylpyridin-3-ol
SMILES CC1=CC(=C(C=C1)CCCO)NCC2=CC3=C(C=C2)N=C(N3CC4=C(C=CC(=N4)C)O)NCCCN5CCOCC5
Standard InChIKey DKORMNNYNRPTBJ-UHFFFAOYSA-N
Standard InChI InChI=1S/C32H42N6O3/c1-23-6-9-26(5-3-16-39)28(19-23)34-21-25-8-10-27-30(20-25)38(22-29-31(40)11-7-24(2)35-29)32(36-27)33-12-4-13-37-14-17-41-18-15-37/h6-11,19-20,34,39-40H,3-5,12-18,21-22H2,1-2H3,(H,33,36)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of TMC353121

DescriptionTMC353121 is a potent inhibitor of respiratory syncytial virus (RSV) fusion with pEC50 value of 9.9.
TargetsRSV    
IC509.9 (pEC50)     

Protocol

Animal Administration [2][3]
Rats[2] Sprague-Dawley and cotton rats are given a single-bolus dose of 10 mg/kg TMC353121 intravenously (i.v.). Blood samples are taken from the orbital venous plexus of three Sprague-Dawley rats at 15 min and 1, 8, and 24 h postdose and from six Sprague-Dawley rats and six cotton rats at 3 h postdose. Blood samples are centrifuged at 1,500× g for 10 min, and plasma is separated and frozen until bioanalysis. After blood sampling, the rats are exsanguinated from the vena femoralis under isoflurane-oxygen anesthesia. Then they are euthanized by CO2 asphyxiation, and the lungs are subjected to lavage once via a tracheal cannula with phosphate-buffered saline (PBS) containing 2% bovine serum albumin (BSA) at room temperature at a volume of 5 mL per Sprague-Dawley rat or 2.5 mL per cotton rat. After gentle injection of the lavage fluid into the lungs, the fluid is withdrawn for collection of the bronchoalveolar lavage fluid (BALF) and the lungs are dissected. BALF is collected in order to assess TMC353121 concentrations in the lung epithelial lining fluid (ELF) after correction for the dilution with lavage fluid. A single lavage with a short dwelling time is applied as previously recommended for better accuracy of the determination of ELF dilution. BSA is added to the lavage fluid in order to prevent the adsorption of TMC353121 to syringes or other containers. The BALF is centrifuged at 300× g for 10 min, and the supernatant is separated. BALF supernatant and lung tissue samples are then frozen until bioanalysis. BALF supernatant is referred as BALF throughout this paper. Mice[3] Inbred 8- to 12-week-old female BALB/c mice are used. TMC353121 is administered intravenously in saline at doses of 0.25-10 mg/kg, and at various times in relation to the RSV infection. Mice are infected with 2×106 plaque-forming unit (PFU) of plaque-purified human strain RSV A2 (100 μL intranasally). Individual body weight is used to monitor animal health and response to infection, and is recorded daily.

References:
[1]. Bonfanti JF, et al. Selection of a respiratory syncytial virus fusion inhibitor clinical candidate. 2. Discovery of a morpholinopropylaminobenzimidazole derivative (TMC353121). J Med Chem. 2008 Feb 28;51(4):875-96. [2]. Rouan MC, et al. Pharmacokinetics-pharmacodynamics of a respiratory syncytial virus fusion inhibitor in the cotton rat model. Antimicrob Agents Chemother. 2010 Nov;54(11):4534-9. [3]. Olszewska W, et al. Antiviral and lung protective activity of a novel respiratory syncytial virus fusion inhibitor in a mouse model. Eur Respir J. 2011 Aug;38(2):401-8.

TMC353121 Dilution Calculator

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Preparing Stock Solutions of TMC353121

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.7898 mL 8.9492 mL 17.8984 mL 35.7967 mL 44.7459 mL
5 mM 0.358 mL 1.7898 mL 3.5797 mL 7.1593 mL 8.9492 mL
10 mM 0.179 mL 0.8949 mL 1.7898 mL 3.5797 mL 4.4746 mL
50 mM 0.0358 mL 0.179 mL 0.358 mL 0.7159 mL 0.8949 mL
100 mM 0.0179 mL 0.0895 mL 0.179 mL 0.358 mL 0.4475 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on TMC353121

TMC353121 is a RSV fusion inhibitor. It has been developed from the precursor molecule JNJ-2408068 using a molecular modelling approach. It maintains high activity (pEC50 9.9) and low cytotoxicity, while presenting a shorter retention time in the lung (lung t1/2 25 h). [1]

TMC353121 was found to inhibit RSV by preventing both virus cell fusion and syncytia formation by causing a local disturbance of the natural six-helix bundle conformation of RSV-F protein.

TMC353121 reduces viral load in therapeutic and prophylactic administration. TMC353121 has potent antiviral properties in vivo in a BALB/c mice model and protects against lung infection and virus-induced inflammation.[2]

TMC353121 had dose-dependent antiviral activity, which varied from 1log10 reduction of

peak viral load to complete inhibition of the RSV replication. TMC353121 (0.39 μg/mL) can completely inhibit the shedding of RSV. And a dose-dependent reduction of INFγ, IL6 and MIP1α was associated. TMC353121 administered as CI for 16 days was generally well-tolerated. [3]

References:
1. Bonfanti JF, Meyer C, Doublet F et al.  Selection of a respiratory syncytial virus fusion inhibitor clinical candidate. 2. Discovery of a morpholinopropylaminobenzimidazole derivative (TMC353121). J Med Chem. 2008; 51: 875–896.
2. Olszewska W1, Ispas G, Schnoeller C et al.  Antiviral and lung protective activity of a novel respiratory syncytial virus fusion inhibitor in a mouse model. Eur Respir J. 2011 Aug;38(2):401-8.
3. Ispas G, Koul A, Verbeeck J et al.  Antiviral Activity of TMC353121, a Respiratory Syncytial Virus (RSV) Fusion Inhibitor, in a Non-Human Primate Model. PLoS One. 2015 May 26;10(5):e0126959.

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References on TMC353121

Antiviral Activity of TMC353121, a Respiratory Syncytial Virus (RSV) Fusion Inhibitor, in a Non-Human Primate Model.[Pubmed:26010881]

PLoS One. 2015 May 26;10(5):e0126959.

BACKGROUND: The study assessed the antiviral activity of TMC353121, a respiratory syncytial virus (RSV) fusion inhibitor, in a preclinical non-human primate challenge model with a viral shedding pattern similar to that seen in humans, following continuous infusion (CI). METHODS: African green monkeys were administered TMC353121 through CI, in 2 studies. Study 1 evaluated the prophylactic and therapeutic efficacy of TMC353121 at a target plasma level of 50 ng/mL (n=15; Group 1: prophylactic arm [Px50], 0.033 mg/mL TMC353121, flow rate 2.5 mL/kg/h from 24 hours pre-infection to 10 days; Group 2: therapeutic arm [Tx50], 0.033 mg/mL TMC353121 from 24 hours postinfection to 8 days; Group 3: control [Vh1] vehicle, 24 hours post-infection to 8 days). Study 2 evaluated the prophylactic efficacy of TMC353121 at target plasma levels of 5 and 500 ng/mL (n=12; Group 1: prophylactic 5 arm [Px5], 0.0033 mg/mL TMC353121, flow rate 2.5 mL/kg/h from 72 hours pre-infection to 14 days; Group 2: prophylactic 500 arm [Px500], 0.33 mg/mL TMC353121; Group 3: control [Vh2] vehicle, 14 days). Bronchoalveolar lavage fluid and plasma were collected every 2 days from day 1 postinfection for pharmacokinetics and safety analysis. FINDINGS: TMC353121 showed a dose-dependent antiviral activity, varying from 1 log10 reduction of peak viral load to complete inhibition of the RSV replication. Complete inhibition of RSV shedding was observed for a relatively low plasma exposure (0.39 mug/mL) and was associated with a dose-dependent reduction in INFgamma, IL6 and MIP1alpha. TMC353121 administered as CI for 16 days was generally well-tolerated. CONCLUSION: TMC353121 exerted dose-dependent antiviral effect ranging from full inhibition to absence of antiviral activity, in a preclinical model highly permissive for RSV replication. No new safety findings emerged from the study.

Selection of a respiratory syncytial virus fusion inhibitor clinical candidate. 2. Discovery of a morpholinopropylaminobenzimidazole derivative (TMC353121).[Pubmed:18254606]

J Med Chem. 2008 Feb 28;51(4):875-96.

A preceding paper (Bonfanti et al. J. Med Chem. 2007, 50, 4572-4584) reported the optimization of the pharmacokinetic profile of substituted benzimidazoles by reducing their tissue retention. However, the modifications that were necessary to achieve this goal also led to a significant drop in anti-RSV activity. This paper describes a molecular modeling study followed by a lead optimization program that led to the recovery of the initial potent antiviral activity and the selection of TMC353121 as a clinical candidate.

Description

TMC353121 is a potent respiratory syncytial virus (RSV) fusion inhibitor with pEC50 of 9.9.

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