Home Microbiology Reverse Transcriptase inhibitor Entecavir Hydrate For research use only.

Entecavir Hydrate

Synonyms: ETV, Baraclude,BMS200475 Hydrate,SQ34676 Hydrate

Entecavir Hydrate (ETV, Baraclude,BMS200475 Hydrate,SQ34676 Hydrate), a new deoxyguanine nucleoside analogue, is a selective inhibitor of the replication of the hepatitis B virus (HBV).

Entecavir Hydrate Chemical Structure

Entecavir Hydrate Chemical Structure

CAS: 209216-23-9

Selleck's Entecavir Hydrate has been cited by 10 publications

Purity & Quality Control

Batch: Purity: 99.95%
99.95

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Biological Activity

Description Entecavir Hydrate (ETV, Baraclude,BMS200475 Hydrate,SQ34676 Hydrate), a new deoxyguanine nucleoside analogue, is a selective inhibitor of the replication of the hepatitis B virus (HBV).
Targets
Reverse Transcriptase [1]
In vitro
In vitro

Entecavir-triphosphate is a highly potent inhibitor of wild-type HBV Pol and is 100- to 300-fold more potent than lamivudine-triphosphate against 3TC-resistant HBV Pol. Entecavir inhibits the replication of 3TC-resistant HBV, but 20- to 30-fold higher concentrations are required. [1] Entecavir results in an impressive reduction of serum viral DNA with covalently closed circular DNA and hepatitis B viral core antigen negativity in liver biopsy specimens. [2] Entecavir has potent activity (EC50, 0.1 nM) against HIV in a unique single-cycle, single-cell-based pseudovirus assay (24) with CD4+ lymphocytes using a green fluorescent protein reporter fluorescence-activated cell sorter assay as the endpoint. [3]
In Vivo
In vivo

Entecavir causes a 4-log drop in serum DHBV DNA levels within 80 days and a slower 2- to 3-log drop in serum DHBV surface antigen (DHBsAg) levels within 120 days in ducks. Entecavir treatment reduces DHBV DNA replicative intermediates 70-fold in the liver, while the level of the stable, template form, covalently closed circular DNA decreases only 4-fold in ducks. Entecavir treatment reduces both the intensity of antigen staining and the percentage of antigen-positive hepatocytes in the liver, but the intensity of antigen staining in bile duct cells appeares not to be effected in ducks. [4]
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT05874440 Recruiting Chronic Hepatitis b Patients Sohag University April 15 2023 --
NCT05755776 Recruiting Chronic Hepatitis B The Second Affiliated Hospital of Chongqing Medical University|Jiangsu Hansoh Pharmaceutical Co. Ltd. March 1 2023 --
NCT03650101 Recruiting Hydrocephalus Boston Children''s Hospital|The Hospital for Sick Children|CURE Children''s Hospital Uganda|Yale University May 5 2021 --
NCT04820686 Terminated Chronic Hepatitis B Assembly Biosciences|Arbutus Biopharma Corporation May 7 2021 Phase 2

Chemical lnformation & Solubility

Molecular Weight 295.29 Formula

C12H15N5O3.H2O
CAS No. 209216-23-9 SDF Download Entecavir Hydrate SDF
Smiles C=C1C(CC(C1CO)O)N2C=NC3=C2N=C(NC3=O)N.O
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 59 mg/mL ( (199.8 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : Insoluble

Ethanol : Insoluble


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid 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 master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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