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Details

Stereochemistry ABSOLUTE
Molecular Formula C18H15ClN4O2
Molecular Weight 354.79
Optical Activity UNSPECIFIED
Defined Stereocenters 1 / 1
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of OLUTASIDENIB

SMILES

C[C@H](NC1=CC=C(C#N)N(C)C1=O)C2=CC3=C(NC2=O)C=CC(Cl)=C3

InChI

InChIKey=NEQYWYXGTJDAKR-JTQLQIEISA-N
InChI=1S/C18H15ClN4O2/c1-10(21-16-6-4-13(9-20)23(2)18(16)25)14-8-11-7-12(19)3-5-15(11)22-17(14)24/h3-8,10,21H,1-2H3,(H,22,24)/t10-/m0/s1

HIDE SMILES / InChI

Molecular Formula C18H16ClN
Molecular Weight 281.779
Charge 0
Count
MOL RATIO 1 MOL RATIO (average)
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Description

Olutasidenib (FT-2102) is a highly potent, orally bioavailable, brain-penetrant, and selective inhibitor of mutant IDH1. Olutasidenib was designed to reduce R-2-HG and revert pathologic epigenetic modifications that impair cellular differentiation to restore regulatory enzyme function. In patients with AML, susceptible IDH1 mutations are defined as those leading to increased levels of 2-hydroxyglutarate (2-HG) in the leukemia cells and where efficacy is predicted by 1) clinically meaningful remissions with the recommended dose of olutasidenib and/or 2) inhibition of mutant IDH1 enzymatic activity at concentrations of olutasidenib sustainable at the recommended dosage according to validated methods. The most common of such mutations in patients with AML are R132H and R132C substitutions. In vitro, olutasidenib inhibited mutated IDH1 R132H, R132L, R132S, R132G, and R132C proteins; wild-type IDH1 or mutated IDH2 proteins were not inhibited. Olutasidenib inhibition of mutant IDH1 led to decreased 2-HG levels in vitro and in in vivo xenograft models. On December 1, 2022, the FDA approved olutasidenib (brand name Rezlidhia) capsules for adult patients with relapsed or refractory acute myeloid leukemia with a susceptible IDH1 mutation as detected by an FDA-approved test.

CNS Activity

Approval Year

Targets

Primary TargetPharmacologyConditionPotency
21.1 nM [IC50]

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
REZLIDHIA

Cmax

ValueDoseCo-administeredAnalytePopulation
3573 ng/mL
150 mg 2 times / day steady-state, oral
OLUTASIDENIB plasma
Homo sapiens

AUC

ValueDoseCo-administeredAnalytePopulation
43050 ng × h/mL
150 mg 2 times / day steady-state, oral
OLUTASIDENIB plasma
Homo sapiens

T1/2

ValueDoseCo-administeredAnalytePopulation
67 h
150 mg 2 times / day steady-state, oral
OLUTASIDENIB plasma
Homo sapiens

Funbound

ValueDoseCo-administeredAnalytePopulation
7%
150 mg 2 times / day steady-state, oral
OLUTASIDENIB plasma
Homo sapiens

Doses

AEs

Drug as perpetrator​

Drug as victim

Tox targets

PubMed

Patents

Sample Use Guides

In Vivo Use Guide
Recommended dosage: 150 mg orally twice daily, until disease progression or unacceptable toxicity. Take on an empty stomach at least 1 hour before or 2 hours after a meal.
Route of Administration: Oral
In Vitro Use Guide
Olutasidenib is an inhibitor of mutant isocitrate dehydrogenase 1 (IDH1; IC50s = 0.021 and 0.114 uM for IDH1R132H and IDH1R132C, respectively). It is selective for mutant IDH1 over wild-type IDH1 and mutant IDH2 (IC50s = 22.4, 27.3, and >100 μM for wild-type IDH1, IDH2R172K, and IDH2R140Q, respectively). Olutasidenib inhibits production of ɑ-hydroxyglutaric acid in U87 cells expressing mutant IDH1R132H, IDH1R132C, IDH1R132L, IDH1R132G, and IDH1R132S with IC50 values of 0.009, 0.039, 0.042, 0.006, and 0.009 uM, respectively.
Substance Class Chemical
Record UNII
0T4IMT8S5Z
Record Status Validated (UNII)
Record Version