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Odanacatib

Name: Odanacatib
Brand: Selleck Chemicals
SKU: S1115
Rating: 5 (23 reviews)

Synonyms: MK-0822

Catalog No.S1115 Purity:99.9%

Odanacatib is a potent, selective, and neutral inhibitor of cathepsin K (human/rabbit) with IC50 of 0.2 nM/1 nM, and demonstrated high selectivity versus off-target cathepsin B, L, S. Phase 3.

Odanacatib Chemical Structure

CAS No. 603139-19-1

Purity & Quality Control

Batch: Purity: 99.9%

99.9

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Cell Data

Cell Lines	Assay Type	Incubation Time	Activity Description	PMID
ramos cells	Function assay		Inhibition of cathepsin S in human ramos cells, IC50=0.045μM	18226527
stem cells	Function assay	7 days	Inhibition of osteoclastogenesis in human bone marrow-derived stem cells assessed as reduction of pit formation by measuring TRACP5b activity after 7 days by bone TRAP assay, IC50=0.1μM	22984809
HepG2	Function assay		Inhibition of cathepsin B in human HepG2 cells, IC50=1.05μM	18226527
B cells	Function assay		Inhibition of antigen presenting mouse B cells, IC50=1.5μM	18226527
HepG2	Function assay		Inhibition of cathepsin L in human HepG2 cells, IC50=4.843μM	18226527
SJ-GBM2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells	29435139
Click to View More Cell Line Experimental Data

Biological Activity

Description

Features

A potent, selective, and neutral cathepsin K inhibitor.

Targets

Cathepsin K (human) ^[1]	Cathepsin K (rabbit) ^[1]
0.2 nM	1 nM

In vitro
In vitro	In vitro, Odanacatib shows the high inhibitory activity and selectivity on cathepsin K with IC50 values of 0.2 nM and 1 nM for human cathepsin K and rabbit cathepsin K, respectively. Furthermore, Odanacatib also shows similar potencies in whole human cell enzyme occupancy assays with corrected IC50 of 5 nM. ^[1] A recent study shows that Odanacatib results in reduction of Osteoclast (OC) resorption activity by interrupting intracellular vesicular trafficking. ^[2]

In Vivo
In vivo	In preclinical rats, Odanacatib (10 mg/kg) exhibits excellent pharmacokinetics with clearance (Cl: 2 mL kg^-1 min^-1), low volume of distribution (V_dss: 1.1 L kg^-1), half-life (T_1/2: 6 hours) and oral bioavailability (F: 8%), respectively. Besides, Odanacatib also exhibits excellent metabolic stability in rat hepatocytes with a 96% recovery of the parent identity. ^[1] Odanacatib (ODN) administrated by p.o. prevents bone loss in ovariectomized (OVX) rabbits in a dose-related manner. Moreover, Odanacatib (9 µM/day) leads to a significant increase in proximal femur bone mineral density (BMD) (7.8%), femoral neck BMD (10.8%) and the greater trochanter BMD (6.5%). ^[3] In the estrogen-deficient, skeletally mature rhesus monkeys, long-term treatment with Odanacatib effectively inhibits bone turnover without reducing osteoclast number and maintains normal biomechanical properties of the spine of OVX nonhuman primates. ^[4]
Animal Research	Animal Models	Ovariectomized (OVX) rabbit model
	Dosages	≤9 µM/day
	Administration	Administered via p.o.

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
Clinical Trial Information (data from https://clinicaltrials.gov, updated on 2024-05-22)
NCT01803607	Terminated	Osteoporosis	Merck Sharp & Dohme LLC	March 14 2013	Phase 3
NCT01630616	Terminated	Osteoporosis	Merck Sharp & Dohme LLC	March 12 2013	Phase 1
NCT01512693	Completed	Hepatic Insufficiency	Merck Sharp & Dohme LLC	February 23 2012	Phase 1
NCT01512667	Completed	Renal Insufficiency	Merck Sharp & Dohme LLC	January 17 2012	Phase 1
NCT01068262	Completed	Osteoporosis	Merck Sharp & Dohme LLC	December 8 2009	Phase 1
NCT00691899	Withdrawn	Prostate Cancer	Merck Sharp & Dohme LLC	September 2008	Phase 3

References

[4] Masarachia PJ, et al. J Bone Miner Res. 2012, 27(3), 509-523.

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Chemical Information & Solubility

Molecular Weight	525.56	Formula	C₂₅H₂₇F₄N₃O₃S
CAS No.	603139-19-1	SDF	Download Odanacatib SDF
Smiles	CC(C)(CC(C(=O)NC1(CC1)C#N)NC(C2=CC=C(C=C2)C3=CC=C(C=C3)S(=O)(=O)C)C(F)(F)F)F
Storage (From the date of receipt)	3 years-20°Cpowder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years-20°Cpowder		1 month-20°Cin solvent

In vitro
Batch:

DMSO : 105 mg/mL ( (199.78 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 3 mg/mL

Water : Insoluble

Molecular Weight Calculator

In vivo Batch: Add solvents to the product individually and in order.					In vivo Formulation Calculator
	Clear solution	4%DMSO 1 Corn oil	5.0mg/ml (9.51mM)	Taking the 1 mL working solution as an example, add 40 μL of 125 mg/ml clear DMSO stock solution to 960 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.	In vivo Formulation Calculator
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O	0.8mg/ml (1.52mM)	Taking the 1 mL working solution as an example, add 50 μL of 16 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil	1.0mg/ml (1.90mM)	Taking the 1 mL working solution as an example, add 50 μL of 20 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

Preparing Stock Solutions

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
=	×	×

Dilution Calculator Molecular Weight Calculator

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg Average weight of animals: g Dosing volume per animal:μL Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

Calculation results:

Working concentration: mg/ml;

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.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

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

Tel: +1-832-582-8158 Ext:3
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