GDC-0032

For research use only. Not for therapeutic Use.

  • CAT Number: I001112
  • CAS Number: 1282512-48-4
  • Molecular Formula: C₂₄H₂₈N₈O₂
  • Molecular Weight: 460.53
  • Purity: ≥95%
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GDC-0032(Cat No.:I001112)is an investigational oral inhibitor of the phosphoinositide 3-kinase (PI3K) pathway, specifically targeting the PI3K-alpha isoform. This pathway plays a crucial role in regulating cell growth, survival, and metabolism, and its dysregulation is often implicated in cancer. By inhibiting PI3K-alpha, GDC-0032 aims to suppress tumor cell proliferation and survival, making it a potential treatment for cancers driven by mutations in the PI3K pathway, such as breast cancer. Clinical studies have shown promise in combination with other therapies, although further trials are required to confirm its safety and effectiveness.


Catalog Number I001112
CAS Number 1282512-48-4
Synonyms

GDC-0032

Molecular Formula C₂₄H₂₈N₈O₂
Purity ≥95%
Target PI3K
Solubility 10 mM in DMSO
Storage 3 years -20C powder
IC50 0.29 nM/0.12 nM /0.97 nM(PI3Kα/δ/γ)
IUPAC Name 2-methyl-2-[4-[2-(5-methyl-2-propan-2-yl-1,2,4-triazol-3-yl)-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl]pyrazol-1-yl]propanamide
InChI InChI=1S/C24H28N8O2/c1-14(2)32-22(27-15(3)29-32)19-13-30-8-9-34-20-10-16(6-7-18(20)21(30)28-19)17-11-26-31(12-17)24(4,5)23(25)33/h6-7,10-14H,8-9H2,1-5H3,(H2,25,33)
InChIKey BEUQXVWXFDOSAQ-UHFFFAOYSA-N
SMILES CC1=NN(C(=N1)C2=CN3CCOC4=C(C3=N2)C=CC(=C4)C5=CN(N=C5)C(C)(C)C(=O)N)C(C)C
Reference

1: Zumsteg ZS, Morse N, Krigsfeld G, Gupta G, Higginson DS, Lee NY, Morris L,
Ganly I, Shiao SL, Powell SN, Chung CH, Scaltriti M, Baselga J. Taselisib
(GDC-0032), a Potent β-Sparing Small Molecule Inhibitor of PI3K, Radiosensitizes
Head and Neck Squamous Carcinomas Containing Activating PIK3CA Alterations. Clin
Cancer Res. 2016 Apr 15;22(8):2009-19. doi: 10.1158/1078-0432.CCR-15-2245. Epub
2015 Nov 20. PubMed PMID: 26589432; PubMed Central PMCID: PMC4870591.
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2: Hoeflich KP, Guan J, Edgar KA, O/’Brien C, Savage H, Wilson TR, Neve RM,
Friedman LS, Wallin JJ. The PI3K inhibitor taselisib overcomes letrozole
resistance in a breast cancer model expressing aromatase. Genes Cancer. 2016
Mar;7(3-4):73-85. doi: 10.18632/genesandcancer.100. PubMed PMID: 27382432; PubMed
Central PMCID: PMC4918946.
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3: Juric D, Krop I, Ramanathan RK, Wilson TR, Ware JA, Sanabria Bohorquez SM,
Savage HM, Sampath D, Salphati L, Lin RS, Jin H, Parmar H, Hsu JY, Von Hoff DD,
Baselga J. Phase I Dose-Escalation Study of Taselisib, an Oral PI3K Inhibitor, in
Patients with Advanced Solid Tumors. Cancer Discov. 2017 Mar 22. doi:
10.1158/2159-8290.CD-16-1080. [Epub ahead of print] PubMed PMID: 28331003.

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4: Lopez S, Schwab CL, Cocco E, Bellone S, Bonazzoli E, English DP, Schwartz PE,
Rutherford T, Angioli R, Santin AD. Taselisib, a selective inhibitor of PIK3CA,
is highly effective on PIK3CA-mutated and HER2/neu amplified uterine serous
carcinoma in vitro and in vivo. Gynecol Oncol. 2014 Nov;135(2):312-7. doi:
10.1016/j.ygyno.2014.08.024. Epub 2014 Aug 27. PubMed PMID: 25172762; PubMed
Central PMCID: PMC4270135.
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5: Ding X, Faber K, Shi Y, McKnight J, Dorshorst D, Ware JA, Dean B. Validation
and determination of taselisib, a β-sparing phosphoinositide 3-kinase (PI3K)
inhibitor, in human plasma by LC-MS/MS. J Pharm Biomed Anal. 2016 Jul
15;126:117-23. doi: 10.1016/j.jpba.2016.04.030. Epub 2016 Apr 20. PubMed PMID:
27187764.

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6: Ndubaku CO, Heffron TP, Staben ST, Baumgardner M, Blaquiere N, Bradley E, Bull
R, Do S, Dotson J, Dudley D, Edgar KA, Friedman LS, Goldsmith R, Heald RA,
Kolesnikov A, Lee L, Lewis C, Nannini M, Nonomiya J, Pang J, Price S, Prior WW,
Salphati L, Sideris S, Wallin JJ, Wang L, Wei B, Sampath D, Olivero AG. Discovery
of
2-{3-[2-(1-isopropyl-3-methyl-1H-1,2-4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1
,2-d][1,4]oxazepin-9-yl]-1H-pyrazol-1-yl}-2-methylpropanamide (GDC-0032): a
β-sparing phosphoinositide 3-kinase inhibitor with high unbound exposure and
robust in vivo antitumor activity. J Med Chem. 2013 Jun 13;56(11):4597-610. doi:
10.1021/jm4003632. Epub 2013 Jun 3. PubMed PMID: 23662903.

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