Ketoconazole

Catalog No.S1353

Ketoconazole Chemical Structure

Molecular Weight(MW): 531.43

Ketoconazole inhibits cyclosporine oxidase and testosterone 6 beta-hydroxylase with IC50 of 0.19 mM and 0.22 mM, respectively.

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Biological Activity

Description Ketoconazole inhibits cyclosporine oxidase and testosterone 6 beta-hydroxylase with IC50 of 0.19 mM and 0.22 mM, respectively.
Features More active than both Econazole and Miconazole against Malassezia species.
Targets
Cyclosporine oxidase [1] Testosterone 6 beta-hydroxylase [1]
0.19 mM 0.22 mM
In vitro

Ketoconazole interacts with androgen receptors in a competitive fashion in intact human foreskin fibroblasts. Ketoconazole competes for [3H]dexamethasone binding to fibroblast glucocorticoid receptors with IC50 of 0.3 mM. [2] Ketoconazole reduces cell proliferation and [3H]thymidine incorporation with IC50 of 2.5 mM in the serum independent HT29-S-B6 colon cell clone. Ketoconazole inhibits the incorporation of [3H]thymidine with IC50 of 2 μM and 13 μM in the Evsa-T cell line and MDA-MB-231 cell line, respectively. Ketoconazole induces a decrease of the number of cells in S phase and a corresponding increase of the percentage of cells in Go-G1 in HT29-S-B6 cells. [3] Ketoconazole is susceptable to several Malassezia species with minimum inhibitory concentrations (MICs) of 0.03 µg/mL. [4]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
LLC-PK1 epithelial cells MXLGeY5kfGmxbjDhd5NigQ>? MlXtTY5pcWKrdHnvckBw\iCSLXfsfYNweHKxdHXpckwhcHWvYX6gUE1OTFJzIHX4dJJme3OnZDDpckBNVENvUFuxJIVxcXSqZXzpZYwh[2WubIOgeZNqdmdiY3HsZ4Vqdi2DTTDwc4xiemm|YYTpc44h[XO|YYmsJGlEPTB;ND64JO69VQ>? NIfIXWQyOjZ7OUO4PS=>
MCF7 cells MkfoSpVv[3Srb36gZZN{[Xl? MVTJcohq[mm2aX;uJI9nKEO\UEK2RVEhcW5iaIXtZY4hVUOINzDj[YxteyCjc4Pld5Nm\CCjczDhcIwufHKjboOgdoV1cW6xaXOgZYNq\CCvZYThZo9tcXOvLDDJR|UxRTF{IN88US=> M13CTVE3Ojd7N{ew
human THP1 cells M2qyemN6fG:2b4jpZ4l1gSCjc4PhfS=> NV60eZdDPDhiaB?= NYrWbWJCS3m2b4TvfIlkcXS7IHHnZYlve3RiaIXtZY4hXEiSMTDj[YxteyCjZoTldkA1QCCqcoOsJGlEPTB;NESg{txO NIfCcnUyPzl4MEmyNy=>
CHO cells M3nrNWZ2dmO2aX;uJIF{e2G7 NY[zUoVlUW6qaXLpeIlwdiCxZjDDXXAzPEFzIHX4dJJme3OnZDDpckBEUE9iY3XscJMtKEmFNUC9NE42OiEQvF2= MkHkNlA3PTV4Mk[=
P815B cells NXnXR3E{S3m2b4TvfIlkcXS7IHHzd4F6 MnPLNlQhcA>? MV7DfZRwfG:6aXPpeJkh[WejaX7zeEBud3W|ZTDQPFE2SiClZXzsd{Bi\nSncjCyOEBpenNiYomgUXRUN1CPUzDhd5NigSxiTFS1NF0zPSEQvF2= MVGyOVA{Pjd6OR?=
V79 11B2 cells NXHoSoJ1TnWwY4Tpc44h[XO|YYm= M3jWXmlvcGmkaYTpc44hd2ZiaIXtZY4hS1mSMUHCNkBmgHC{ZYPz[YQhcW5iVke5JFEySjJiY3XscJMtKEmFNUC9NE4xQDFizszN MVKxOlU4ODlzOB?=
V79 cells NYPQTHF7TnWwY4Tpc44h[XO|YYm= Mn2zTY5pcWKrdHnvckBw\iCqdX3hckBEYVB{NDDofYRzd3i7bHHz[UBmgHC{ZYPz[YQhcW5iVke5JINmdGy|LDDJR|UxRTBwM{GyJO69VQ>? MWixOVYyPTV|NB?=
hamster V79MZh11B1 cells NFvz[YlHfW6ldHnvckBie3OjeR?= MmiyTY5pcWKrdHnvckBw\iCqdX3hckBEYVBzMVKxJIV5eHKnc4Pl[EBqdiCqYX3zeIVzKFZ5OV3abFEySjFiY3XscJMtKEmFNUC9NE4yOjdizszN NIrpPGoyQDZ5Mki2PC=>
hamster V79MZh11B2 cells MYrGeY5kfGmxbjDhd5NigQ>? M4HMOWlvcGmkaYTpc44hd2ZiaIXtZY4hS1mSMUHCNkBmgHC{ZYPz[YQhcW5iaHHtd5RmeiCYN{nNXogyOUJ{IHPlcIx{NCCLQ{WwQVAvODZ5IN88US=> M2r5ZlE5Pjd{OE[4
CHO cells MojSSpVv[3Srb36gZZN{[Xl? Ml[0TY5pcWKrdHnvckBw\iCqdX3hckBGWkdiZYjwdoV{e2WmIHnuJGNJVyClZXzsd{BjgSC5aH;s[UBk\WyuIIDheINpKGOuYX3wJJRm[2iwaYH1[UwhUUN3ME2xMlkxPTR4IN88US=> NEC4WlQyQDR2OEO0Ni=>
V79 11B1 cells NF:4[5pHfW6ldHnvckBie3OjeR?= MmG4TY5pcWKrdHnvckBw\iCqdX3hckBEYVBzMVKxJIV5eHKnc4Pl[EBqdiCYN{mgNVFDOSClZXzsd{whUUN3ME2wMlIzPCEQvF2= MXGxOlU4ODlzOB?=
Topp 3 cells Mn;GSpVv[3Srb36gZZN{[Xl? NHyyWVBKdmirYnn0bY9vKG:oIHj1cYFvKEO\UEWxJIV5eHKnc4Pl[EBqdiCWb4DwJFMh[2WubIOgZpkhdGGwb4P0[ZJwdCCmZX3leIh6dGG|ZTDhd5NigSxiSVO1NF0xNjF7IN88US=> NGD3U3oyPzF7NEexOi=>
V79 cells NFPTclVHfW6ldHnvckBie3OjeR?= MmC2TY5pcWKrdHnvckBw\iCqdX3hckBEYVB{NFGxJIV5eHKnc4Pl[EBqdiClaHnu[ZNmKGijbYP0[ZIhXjd7IHPlcIx{NCCLQ{WwQVAvOzF{IN88US=> M37nOVIxPTl2OE[y
V79MZ cells Ml\ESpVv[3Srb36gZZN{[Xl? M1O3UWlvcGmkaYTpc44hd2ZiaIXtZY4hS1mSMUHCNkBmgHC{ZYPz[YQhcW5iaHHtd5RmeiCYN{nNXkBk\WyuczD1d4lv\yBzMT3k[Y95gWOxcoTpZ49{fGW{b37lJJN2[nO2cnH0[UwhUUN3ME2wMlA3PyEQvF2= MVWyOFkxODJ2Nx?=
V79MZh cells M1:wWGZ2dmO2aX;uJIF{e2G7 NUjtXVZvUW6qaXLpeIlwdiCxZjDoeY1idiCFWWCxNWIzKGW6cILld5Nm\CCrbjDoZY1{fGW{IG[3PW1bcCClZXzsd{whUUN3ME2wMlA3PyEQvF2= MkLCNlA2PTBzMUi=
human epidermal keratinocytes NFf6SY1HfW6ldHnvckBie3OjeR?= MlXMTY5pcWKrdHnvckBw\iCFWWCyOGEyKGmwIHj1cYFvKGWyaXTldo1idCCtZYLheIlvd2O7dHXzMEBKSzVyPUCuNVI3KM7:TR?= M37Ne|IxPTl2OE[y
V79MZh cells NGDkOFFHfW6ldHnvckBie3OjeR?= MonrTY5pcWKrdHnvckBw\iCqdX3hckBEYVBzMVKxJIV5eHKnc4Pl[EBqdiCqYX3zeIVzKFZ5OV3abEBk\WyuczygTWM2OD1yLkGyO{DPxE1? MoXqNlA2PTBzMUi=

... Click to View More Cell Line Experimental Data

In vivo Ketoconazole (25 mg/kg, i.p.) significantly decreases plasma corticosterone and reduces low dose cocaine self-administration without affecting food-reinforced responding in rats. [5] Ketoconazole raises the AUC of orally administered digoxin from 63 mg x h/L to 411 mg x h/L in rats. Ketoconazole raises the AUC of intravenously administered digoxin from 93 mg × h/L to 486 mg × h/L in rats. Ketoconazole increases digoxin bioavailability from 0.68 to 0.84 in rats, while mean absorption time is reduced from 1.1 hours to 0.3 hour. [6]

Protocol

Kinase Assay:[1]
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Whole Cell [3H]R1881 Binding Assay:

Fibroblasts are grown to confluence in five or six 150 cm2 tissue culture flasks for routine assay. This usually requires 4-6 weeks from the time of the initial seeding of the cell line. All studies are performed between passages 3-20. Two days before assay, the medium is changed to one lacking fetal calf serum. This is repeated again 24 hours before assay. Competition assays are performed with 0.5-1.0 nM [3H]R1881 and increasing amounts of the nonradioactive compounds. Binding to low affinity sites is determined in the presence of 5 × 10-7 M R1881 and is subtracted from whole cell binding of [3H]R 1881 obtained in the absence of any inhibitor to assess binding to 5 high affinity site
Cell Research:[3]
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  • Cell lines: HT29-S-B6 colon cell
  • Concentrations: 25 μM
  • Incubation Time: 72 hours
  • Method: HT29-S-B6 cells (5×105) are plated in 35-mm Petri dishes. The next day, the medium is changed and effectors are added in a small volume (10-20 μL). The incubation medium is renewed every day during the experiments. The same triplicate dishes are used for cell counts, [3H]thymidine incorporation, and flow cytometry. [3H]Thymidine (0.5 μCi) is allowed to incorporate for 24 hours; at the end of incubation, cells are rinsed with 1 mL of medium, detached with 1 mL of trypsin-EDTA, and diluted (1:3) with the culture medium. An aliquot (0.5-1 mL) is used for cell count with a Coulter Counter.
    (Only for Reference)
Animal Research:[4]
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  • Animal Models: male Wistar rats
  • Formulation: Saline
  • Dosages: 25 mg/kg
  • Administration: Intraperitoneal injection
    (Only for Reference)

Solubility (25°C)

In vitro Ethanol 7 mg/mL (13.17 mM)
DMSO 5 mg/mL warmed (9.4 mM)
Water Insoluble
In vivo Add solvents individually and in order:
30% propylene glycol, 5% Tween 80, 65% D5W
30 mg/mL

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 531.43
Formula

C26H28Cl2N4O4

CAS No. 65277-42-1
Storage powder
Synonyms N/A

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Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:

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*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).

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Clinical Trial Information

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT02582177 Not yet recruiting Tinea Ache Laboratorios Farmaceuticos S.A. August 2017 Phase 3
NCT02147964 Not yet recruiting Gonadotropin Deficiency University of Washington January 2017 Phase 2
NCT02606383 Withdrawn Tinea Pedis Biolab Sanus Farmaceutica June 2016 Phase 3
NCT02560051 Recruiting Prostatic Neoplasms The University of Texas Health Science Center, Houston November 2015 Phase 2
NCT02494713 Recruiting Prostate Cancer The University of Texas Health Science Center, Houston October 2015 Phase 2
NCT02256865 Recruiting Insulin Resistance Los Angeles Biomedical Research Institute October 2014 --

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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID