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MedKoo Cat#: 204530 | Name: AZD-2461
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

AZD2461 is a novel and potent PARP inhibitor with lower affinity to P-glycoprotein. AZD2641 is currently in Phase I clinical study. The study is being conducted to see how it may work to treat solid tumors. The main purpose is to establish a safe dosage of the drug and provide additional information on any potential side effects this drug may cause. The study will also assess the blood levels and action of AZD2461 in the body over a period of time and will indicate whether the drug has a therapeutic effect on solid tumors.

Chemical Structure

AZD-2461
AZD-2461
CAS#1174043-16-3

Theoretical Analysis

MedKoo Cat#: 204530

Name: AZD-2461

CAS#: 1174043-16-3

Chemical Formula: C22H22FN3O3

Exact Mass: 395.1645

Molecular Weight: 395.43

Elemental Analysis: C, 66.82; H, 5.61; F, 4.80; N, 10.63; O, 12.14

Price and Availability

Size Price Availability Quantity
10mg USD 90.00 Ready to ship
25mg USD 150.00 Ready to Ship
50mg USD 250.00 Ready to Ship
100mg USD 450.00 Ready to Ship
200mg USD 750.00 Ready to Ship
500mg USD 1,650.00 Ready to Ship
1g USD 2,950.00 Ready to Ship
2g USD 5,250.00 Ready to Ship
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Related CAS #
No Data
Synonym
AZD2461; AZD-2461; AZD 2461.
IUPAC/Chemical Name
4-(4-fluoro-3-(4-methoxypiperidine-1-carbonyl)benzyl)phthalazin-1(2H)-one
InChi Key
HYNBNUYQTQIHJK-UHFFFAOYSA-N
InChi Code
InChI=1S/C22H22FN3O3/c1-29-15-8-10-26(11-9-15)22(28)18-12-14(6-7-19(18)23)13-20-16-4-2-3-5-17(16)21(27)25-24-20/h2-7,12,15H,8-11,13H2,1H3,(H,25,27)
SMILES Code
O=C1NN=C(CC2=CC=C(F)C(C(N3CCC(OC)CC3)=O)=C2)C4=C1C=CC=C4
Appearance
white solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO, not in water
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info
         
Biological target:
AZD-2461 is a potent PARP inhibitor, with IC50s of 5 nM, 2 nM and 200 nM for PARP1, PARP2 and PARP3, respectively.
In vitro activity:
In the presented study the anti-proliferative and pro-apoptotic action of AZD2461, a novel PARP inhibitor already under clinical evaluation, were examined in human MCF-7 and SKBr-3 breast cancer cells. Interference with PARP-1 activity using AZD2461 was cytotoxic to both the SKBR-3 line and (less strongly) MCF-7 line, reducing numbers of viable cells in a concentration- and timedependent manner (Fig. 2). The finding that AZD2461 induced synthetic lethality in both cell lines, previously shown to be NU1025resistant, indicates that even BRCA1/2-deficient or mutant breast cancer cells have differing sensitivity to pharmacological PARP-1 inhibitors. PARP-1 inhibition by AZD2461 increased proportions of MCF-7 cells in the G2 phase at the expense of proportions in the S-phase, and had similar (but weaker) effects on SKBr-3 cells (Fig. 3). Both apoptotic, mitotic and G2-arrested SKBr-3 cells were detected in the samples after treatment with AZD2461 (Fig. 5). Concurrent inhibition of ATM kinase and PARP-1 caused much more pronounced reduction in the cell density. The results show that both MCF-7 and SKBr-3 cells are sensitive to AZD2461, a new PARP1 inhibitor that is under clinical investigation. AZD2461 induced synthetic lethality in both tested breast cancer cell lines that are insensitive to the PARP-1 inhibitor NU1025 even at higher doses (up to CE = 200 μM) Reference: J Cancer Prev. 2014 Jun; 19(2): 125–136. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4204161/
In vivo activity:
Short-term AZD2461 treatment in mice with KB1P tumors was first studied, using daily dosing for 28 consecutive days, as the same was done for olaparib. Although mice treated with AZD2461 clearly showed increased survival compared with olaparibtreated mice (P = 0.0061), all mice eventually developed relapsing tumors that were refractory to PARPi treatment (Fig. 6C and Supplementary Fig. S9C). Three of 12 AZD2461-resistant KB1P tumors also showed loss of 53BP1 expression (Fig. 6D). In the AZD2461-resistant tumor KB1P2, a deletion of 94 base pairs was found in exon 21 of Trp53bp1 (Fig. 6E and Supplementary Fig. S9D), which leads to a stop-codon in this exon. A deletion of 34 base pairs was also identified on the boundary of intron 24 and exon 25 of Trp53bp1 in AZD2461-resistant tumor KB1P8 ( Fig. 6F and Supplementary Fig. S9E). When the AZD2461 treatment was increased to 100 consecutive days, it was found that 8 of 9 mice engrafted with fragments from 3 individual KB1P tumors did not develop refractory tumors within 300 days after treatment start (Fig. 7A and Supplementary Fig. S10A–S10C). The tumor that acquired AZD2461 resistance during the first treatment cycle had an epithelial-to-mesenchymal transition phenotype (Supplementary Fig. S10D), which is frequently linked to drug resistance. Long-term AZD2461 treatment was well tolerated and doubled the median relapse-free survival from 64 to 132 days P < 0.0001, Fig. 7B). As one strategy to minimize the risk of developing PARPi resistance, continuous treatment with the novel PARPi AZD2461 is presented. Reference: Cancer Discov. 2013 Jan; 3(1): 68–81. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7518105/
Solvent mg/mL mM comments
Solubility
DMSO 55.0 139.09
Ethanol 24.0 60.69
Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.

Preparing Stock Solutions

The following data is based on the product molecular weight 395.43 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
1. Sargazi S, Saravani R, Zavar Reza J, Zarei Jaliani H, Galavi H, Moudi M, Abtahi NA. Novel Poly(Adenosine Diphosphate-Ribose) Polymerase (PARP) Inhibitor, AZD2461, Down-Regulates VEGF and Induces Apoptosis in Prostate Cancer Cells. Iran Biomed J. 2019 Sep;23(5):312-23. doi: 10.29252/.23.5.312. Epub 2019 May 18. PMID: 31102368; PMCID: PMC6661129. 2. Węsierska-Gądek J, Heinzl S. Interactions Between Ataxia Telangiectasia Mutated Kinase Inhibition, Poly(ADP-ribose) Polymerase-1 Inhibition and BRCA1 Status in Breast Cancer Cells. J Cancer Prev. 2014 Jun;19(2):125-36. doi: 10.15430/JCP.2014.19.2.125. PMID: 25337581; PMCID: PMC4204161. 3. Jaspers JE, Kersbergen A, Boon U, Sol W, van Deemter L, Zander SA, Drost R, Wientjens E, Ji J, Aly A, Doroshow JH, Cranston A, Martin NM, Lau A, O'Connor MJ, Ganesan S, Borst P, Jonkers J, Rottenberg S. Loss of 53BP1 causes PARP inhibitor resistance in Brca1-mutated mouse mammary tumors. Cancer Discov. 2013 Jan;3(1):68-81. doi: 10.1158/2159-8290.CD-12-0049. Epub 2012 Oct 25. PMID: 23103855; PMCID: PMC7518105. 4. Henneman L, van Miltenburg MH, Michalak EM, Braumuller TM, Jaspers JE, Drenth AP, de Korte-Grimmerink R, Gogola E, Szuhai K, Schlicker A, Bin Ali R, Pritchard C, Huijbers IJ, Berns A, Rottenberg S, Jonkers J. Selective resistance to the PARP inhibitor olaparib in a mouse model for BRCA1-deficient metaplastic breast cancer. Proc Natl Acad Sci U S A. 2015 Jul 7;112(27):8409-14. doi: 10.1073/pnas.1500223112. Epub 2015 Jun 22. PMID: 26100884; PMCID: PMC4500240.
In vitro protocol:
1. Sargazi S, Saravani R, Zavar Reza J, Zarei Jaliani H, Galavi H, Moudi M, Abtahi NA. Novel Poly(Adenosine Diphosphate-Ribose) Polymerase (PARP) Inhibitor, AZD2461, Down-Regulates VEGF and Induces Apoptosis in Prostate Cancer Cells. Iran Biomed J. 2019 Sep;23(5):312-23. doi: 10.29252/.23.5.312. Epub 2019 May 18. PMID: 31102368; PMCID: PMC6661129. 2. Węsierska-Gądek J, Heinzl S. Interactions Between Ataxia Telangiectasia Mutated Kinase Inhibition, Poly(ADP-ribose) Polymerase-1 Inhibition and BRCA1 Status in Breast Cancer Cells. J Cancer Prev. 2014 Jun;19(2):125-36. doi: 10.15430/JCP.2014.19.2.125. PMID: 25337581; PMCID: PMC4204161.
In vivo protocol:
1. Jaspers JE, Kersbergen A, Boon U, Sol W, van Deemter L, Zander SA, Drost R, Wientjens E, Ji J, Aly A, Doroshow JH, Cranston A, Martin NM, Lau A, O'Connor MJ, Ganesan S, Borst P, Jonkers J, Rottenberg S. Loss of 53BP1 causes PARP inhibitor resistance in Brca1-mutated mouse mammary tumors. Cancer Discov. 2013 Jan;3(1):68-81. doi: 10.1158/2159-8290.CD-12-0049. Epub 2012 Oct 25. PMID: 23103855; PMCID: PMC7518105. 1. Henneman L, van Miltenburg MH, Michalak EM, Braumuller TM, Jaspers JE, Drenth AP, de Korte-Grimmerink R, Gogola E, Szuhai K, Schlicker A, Bin Ali R, Pritchard C, Huijbers IJ, Berns A, Rottenberg S, Jonkers J. Selective resistance to the PARP inhibitor olaparib in a mouse model for BRCA1-deficient metaplastic breast cancer. Proc Natl Acad Sci U S A. 2015 Jul 7;112(27):8409-14. doi: 10.1073/pnas.1500223112. Epub 2015 Jun 22. PMID: 26100884; PMCID: PMC4500240.
1: 1: Jaspers JE, Kersbergen A, Boon U, Sol W, van Deemter L, Zander SA, Drost R, Wientjens E, Ji J, Aly A, Doroshow JH, Cranston A, Martin NM, Lau A, O'Connor MJ, Ganesan S, Borst P, Jonkers J, Rottenberg S. Loss of 53BP1 causes PARP inhibitor  resistance in Brca1-mutated mouse mammary tumors. Cancer Discov. 2013 Jan;3(1):68-81. doi: 10.1158/2159-8290.CD-12-0049. Epub 2012 Oct 25. PubMed PMID: 23103855.