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Isavuconazonium sulfate (BAL8557)

Alias: BAL8557;BAL 8557; Isavuconazonium sulfate; BAL-8557; Cresemba.
Cat No.:V5313 Purity: ≥98%
Isavuconazonium sulfate (formerly BAL-8557;BAL8557; isavuconazole; Cresemba), the sulfate salt ofIsavuconazonium, is the prodrug of isavuconazole (BAL4815) which is an approved triazole-based antifungal drug.
Isavuconazonium sulfate (BAL8557)
Isavuconazonium sulfate (BAL8557) Chemical Structure CAS No.: 946075-13-4
Product category: Fungal
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of Isavuconazonium sulfate (BAL8557):

  • Isavuconazonium Free Base
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Isavuconazonium sulfate (formerly BAL-8557; BAL8557; isavuconazole; Cresemba), the sulfate salt of Isavuconazonium, is the prodrug of isavuconazole (BAL4815) which is an approved triazole-based antifungal drug. It was approved by the U.S. FDA on March 6, 2015 for the treatment of invasive candidiasis/aspergillosis and invasive mucormycosis. Isavuconazole (BAL-4815; RO-0094815) is a water-soluble triazole and the active metabolite of Isavuconazonium. It is a novel and potent inhibitor of CYP3A4 with broad-spectrum antifungal activity.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
With EC50 values of 0.001 μM, 0.037 μM, and 0.024 μM, respectively, isavuconazonium sulfate (0.006 nM–50 μM) suppresses the trophoblast activity of three T4-genotype strains of Acanthamoeba (Ma, CDC:V240, and MEEI 0184). Furthermore, three tested strains, Ma, CDC:V240, and MEEI 0184, showed vesicle-extinguishing activity at (100–200 μM; 48 h), with mean minimum vesicle extinguishing concentrations (MCC) of 167.1 μM, 136.0 μM, and 187.5 μM, respectively[2].
ln Vivo
Isavuconazonium sulfate (215 mg/kg; p.o. ; three times daily for four days) exhibits anti-R.delemar virus activity in mucormycosis-infected ICR mice[4].
Animal Protocol
Animal Model: Neutropenic male ICR mouse model of intratracheal infection[4]
Dosage: 215 mg/kg
Administration: Oral gavage (p.o.); Three times a day for 4 days.
Result: increased the survival rate of R. delemar-infected neutropenic mice. decreased amount of fungi in the mice's brains and lungs.
References

[1]. Isavuconazonium sulfate: a new agent for the treatment of invasive aspergillosis and invasive mucormycosis[J]. Expert review of clinical pharmacology, 2016, 9(7): 887-897.

[2]. Evaluation of Amebicidal and Cysticidal Activities of Antifungal Drug Isavuconazonium Sulfate against Acanthamoeba T4 Strains. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294.

[3]. Isavuconazonium sulfate: a novel antifungal agent[J]. Current Fungal Infection Reports, 2015, 9: 302-313.

[4]. Isavuconazole therapy protects immunosuppressed mice from mucormycosis[J]. Antimicrobial agents and chemotherapy, 2014, 58(4): 2450-2453.

[5]. In Vitro Activity of Isavuconazole against Rasamsonia Species.Antimicrob Agents Chemother.2016 Oct 21;60(11):6890-6891.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C35H36F2N8O9S2
Molecular Weight
814.83500
Elemental Analysis
C, 51.59; H, 4.45; F, 4.66; N, 13.75; O, 17.67; S, 7.87
CAS #
946075-13-4
Related CAS #
338990-84-4 (chloride);497235-79-7 (chloride HCl);742049-41-8 (cation);946075-13-4 (sulfate);
Appearance
Solid powder
SMILES
C[C@@H](C1=NC(=CS1)C2=CC=C(C=C2)C#N)[C@](CN3C=[N+](C=N3)C(C)OC(=O)N(C)C4=C(C=CC=N4)COC(=O)CNC)(C5=C(C=CC(=C5)F)F)O.OS(=O)(=O)[O-]
InChi Key
LWXUIUUOMSMZKJ-KLFWAVJMSA-M
InChi Code
InChI=1S/C35H35F2N8O5S.H2O4S/c1-22(33-42-30(18-51-33)25-9-7-24(15-38)8-10-25)35(48,28-14-27(36)11-12-29(28)37)19-45-21-44(20-41-45)23(2)50-34(47)43(4)32-26(6-5-13-40-32)17-49-31(46)16-39-3;1-5(2,3)4/h5-14,18,20-23,39,48H,16-17,19H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1/t22-,23?,35+;/m0./s1
Chemical Name
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-(((methylglycyl)oxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium hydrogen sulfate
Synonyms
BAL8557;BAL 8557; Isavuconazonium sulfate; BAL-8557; Cresemba.
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 : 100 mg/mL ( 122.72 mM )
Water : 0.5~100 mg/mL (~0.61 mM )
Ethanol : 100 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (2.55 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (2.55 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (2.55 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


Solubility in Formulation 4: 10% DMSO+40% PEG300+5% Tween-80+45% Saline: ≥ 2.08 mg/mL (2.55 mM)

Solubility in Formulation 5: 100 mg/mL (122.72 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.2272 mL 6.1362 mL 12.2723 mL
5 mM 0.2454 mL 1.2272 mL 2.4545 mL
10 mM 0.1227 mL 0.6136 mL 1.2272 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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?
  • Enter 350.26 in the Molecular Weight (MW) box
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  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

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

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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  • The answer appears in the Volume (to add to vial) box
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
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT03816176 COMPLETEDWITH RESULTS Drug: Isavuconazonium sulfate
Drug: Isavuconazonium sulfate
Invasive Aspergillosis
Invasive Mucormycosis
Astellas Pharma Global Development, Inc. 2019-08-22 Phase 2
NCT03241550 COMPLETED Drug: isavuconazonium sulfate - intravenous
Drug: isavuconazonium sulfate - oral
Hematological Malignancy Astellas Pharma Global Development, Inc. 2017-10-02 Phase 1
NCT04096157 COMPLETED Drug: Isavuconazonium sulfate IV
Drug: Isavuconazonium sulfate capsules
Healthy Subjects Astellas Pharma Global Development, Inc. 2019-09-24 Phase 1
NCT02059590 COMPLETED Drug: Pyridinylmethyl-14C-labeled
isavuconazonium sulfate
Healthy Subjects
Pharmacokinetics of 14C-labeled Isavuconazonium Sulfate
Astellas Pharma Global Development, Inc. 2013-04 Phase 1
NCT03149055 COMPLETEDWITH RESULTS Drug: Isavuconazole Hematologic Malignancy
Myeloproliferative Disorder
Memorial Sloan Kettering
Cancer Center
2017-05-04 Phase 2
Biological Data
  • Concentration—dependent inhibition of growth of Acanthamoeba trophozoites by isavuconazonium sulfate. Different concentrations of isavuconazonium were tested in triplicate for activity against trophozoites of Acanthamoeba T4 strains. The data points represent mean percentage growth inhibition of (A) Ma strain, (B) CDC:V240, and (C) MEEI 0184 of different concentrations of isavuconazonium. EC50 curves were generated from mean values of percentage growth inhibition of isavuconazonium against Acanthamoeba.[2].Evaluation of Amebicidal and Cysticidal Activities of Antifungal Drug Isavuconazonium Sulfate against Acanthamoeba T4 Strains. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294.
  • Effect of isavuconazonium sulfate on the morphology of Acanthamoeba Ma, CDC:V240 and MEEI 0184 cysts. Ma cysts were treated with (A) 170 μM isavuconazonium, (B) 461.85 μM PHMB, (C) 0.5% (v/v) DMSO. CDC:V240 strain cysts were treated with (D) 140 μM isavuconazonium, (E) 461.85 μM PHMB, (F) 0.5% (v/v) DMSO. MEEI 0184 strain cysts were treated with (G) 190 μM isavuconazonium, (H) 461.85 μM PHMB, (I) 0.5% (v/v) DMSO. Morphology and excystation of Acanthamoeba T4 cysts after 7 days of incubation in PYG growth media are displayed. Black arrowheads: cysts. White arrowheads: trophozoites. Magnification: 200×. Scale bar: 50 μm.[2].Evaluation of Amebicidal and Cysticidal Activities of Antifungal Drug Isavuconazonium Sulfate against Acanthamoeba T4 Strains. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294.
  • Isavuconazonium-PHMB combination excystation heatmap. Heatmap displaying qualitative scoring of excystation for different isavuconazonium sulfate (IS)–PHMB combination treatments. Top number in grids represents PHMB concentration in μM, bottom number in grids represents isavuconazonium sulfate concentration in μM. Green: 0% trophozoite plate coverage; yellow: 0–1% trophozoite plate coverage; orange: 50–80% trophozoite plate coverage; red: 100% trophozoite plate coverage.[2].Evaluation of Amebicidal and Cysticidal Activities of Antifungal Drug Isavuconazonium Sulfate against Acanthamoeba T4 Strains. Pharmaceuticals (Basel). 2021 Dec 11;14(12):1294.
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