Olutasidenib
Generic Name: olutasidenib
Brand Names:
Rezlidhia
11 DESCRIPTION Olutasidenib is an isocitrate dehydrogenase-1 (IDH1) inhibitor. The chemical name is (S)-5-((1-(6-chloro-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)amino)-1-methyl-6-oxo-1,6-dihydropyridine-2-carbonitrile. The chemical structure is: The molecular formula is C 18 H 15 ClN 4 O 2 and the molecular weight is 354.79 g/mol. Olutasidenib is a white to off-white to brown powder that is practically insoluble in aqueous solutions between pH 1.2 and 7.4.
Overview
11 DESCRIPTION Olutasidenib is an isocitrate dehydrogenase-1 (IDH1) inhibitor. The chemical name is (S)-5-((1-(6-chloro-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)amino)-1-methyl-6-oxo-1,6-dihydropyridine-2-carbonitrile. The chemical structure is: The molecular formula is C 18 H 15 ClN 4 O 2 and the molecular weight is 354.79 g/mol. Olutasidenib is a white to off-white to brown powder that is practically insoluble in aqueous solutions between pH 1.2 and 7.4.
Uses
1 INDICATIONS AND USAGE Relapsed or Refractory Acute Myeloid Leukemia REZLIDHIA is indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test [see Dosage and Administration ( 2.1 ), Clinical Pharmacology ( 12.1 ), and Clinical Studies ( 14.1 )] . REZLIDHIA is an isocitrate dehydrogenase-1 (IDH1) inhibitor indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible IDH1 mutation as detected by an FDA-approved test. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Select patients based on presence of IDH1 mutation(s). ( 2.1 ) Recommended dosage: 150 mg orally twice daily, until disease progression or unacceptable toxicity. ( 2.2 ) Take on an empty stomach at least 1 hour before or 2 hours after a meal. ( 2.2 ) 2.1 Patient Selection Select patients for the treatment of relapsed or refractory AML with REZLIDHIA based on the presence of IDH1 mutations in blood or bone marrow [see Clinical Trials ( 14.1 )] . Information on FDA- approved tests for the detection of IDH1 mutations in AML is available at http://www.fda.gov/CompanionDiagnostics. 2.2 Recommended Dosage The recommended dosage of REZLIDHIA is 150 mg taken orally twice daily until disease progression or unacceptable toxicity.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Differentiation Syndrome [see Warnings and Precautions ( 5.1 )] Hepatotoxicity [see Warnings and Precautions ( 5.2 )] Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Interactions
7 DRUG INTERACTIONS Strong or moderate CYP3A Inducers: Avoid concomitant use. ( 7.1 ) Sensitive CYP3A Substrates: Avoid concomitant use. Monitor if unavoidable. ( 7.1 ) 7.1 Effect of Other Drugs on Olutasidenib Strong or Moderate CYP3A4 Inducers Avoid concomitant use of REZLIDHIA with strong or moderate CYP3A inducers. Olutasidenib is a CYP3A substrate. Concomitant use of REZLIDHIA with a strong CYP3A inducer decreases olutasidenib Cmax and AUC, which may reduce REZLIDHIA efficacy [see Clinical Pharmacology ( 12.3 )] . Concomitant use of REZLIDHIA with a moderate CYP3A inducer may also decrease olutasidenib Cmax and AUC, which may also reduce REZLIDHIA efficacy, based on observations from concomitant use with a strong CYP3A inducer.
Warnings
WARNING: DIFFERENTIATION SYNDROME Differentiation syndrome, which can be fatal, can occur with REZLIDHIA treatment. Symptoms may include dyspnea, pulmonary infiltrates/pleuropericardial effusion, kidney injury, hypotension, fever, and weight gain. If differentiation syndrome is suspected, withhold REZLIDHIA and initiate treatment with corticosteroids and hemodynamic monitoring until symptom resolution [see Warnings and Precautions ( 5.1 )] . 5 WARNINGS AND PRECAUTIONS Hepatotoxicity : Monitor liver function tests during treatment with REZLIDHIA. If hepatotoxicity occurs, interrupt and reduce or discontinue REZLIDHIA. ( 2.3 , 5.2 ) 5.1 Differentiation Syndrome REZLIDHIA can cause differentiation syndrome. In the clinical trial of REZLIDHIA in patients with relapsed or refractory AML, differentiation syndrome occurred in 16% (25/153) of patients, with grade 3 or 4 differentiation syndrome occurring in 8% of patients treated, and fatalities in 1% of patients [see Adverse Reactions (6.1)]. Differentiation syndrome is associated with rapid proliferation and differentiation of myeloid cells and may be life-threatening or fatal. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on animal embryo-fetal toxicity studies, REZLIDHIA may cause fetal harm when administered to a pregnant woman. There are no available data on REZLIDHIA use in pregnant women to evaluate for a drug-associated risk. In embryo-fetal development studies, oral olutasidenib resulted in embryo-fetal death and altered fetal growth when administered to pregnant rats and rabbits during the period of organogenesis at exposures up to 10 times and 0.7 times, respectively, the human exposure at the recommended daily dose (see Data ) .
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied Capsule Strength Description Package Configuration NDC Number 150 mg White hard gelatin capsules with black ink print "OLU 150" White high-density polyethylene (HDPE) bottle with child-resistant closure 71332-005-01 Each bottle contains 30 capsules Storage Store at 20°C to 25°C (68°F to 77°F); excursions permitted between 15°C and 30°C (59°F and 86...
Frequently Asked Questions
What is Olutasidenib used for?▼
1 INDICATIONS AND USAGE Relapsed or Refractory Acute Myeloid Leukemia REZLIDHIA is indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test [see Dosage and Administration ( 2.1 ), Clinical Pharmacology ( 12.1 ), and Clinical Studies ( 14.1 )] . REZLIDHIA is an isocitrate dehydrogenase-1 (IDH1) inhibitor indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible IDH1 mutation as detected by an FDA-approved test. ( 1 )
What are the side effects of Olutasidenib?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Differentiation Syndrome [see Warnings and Precautions ( 5.1 )] Hepatotoxicity [see Warnings and Precautions ( 5.2 )] Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Can I take Olutasidenib during pregnancy?▼
8.1 Pregnancy Risk Summary Based on animal embryo-fetal toxicity studies, REZLIDHIA may cause fetal harm when administered to a pregnant woman. There are no available data on REZLIDHIA use in pregnant women to evaluate for a drug-associated risk. In embryo-fetal development studies, oral olutasidenib resulted in embryo-fetal death and altered fetal growth when administered to pregnant rats and rabbits during the period of organogenesis at exposures up to 10 times and 0.7 times, respectively, the human exposure at the recommended daily dose (see Data ) .
What are the important warnings for Olutasidenib?▼
WARNING: DIFFERENTIATION SYNDROME Differentiation syndrome, which can be fatal, can occur with REZLIDHIA treatment. Symptoms may include dyspnea, pulmonary infiltrates/pleuropericardial effusion, kidney injury, hypotension, fever, and weight gain. If differentiation syndrome is suspected, withhold REZLIDHIA and initiate treatment with corticosteroids and hemodynamic monitoring until symptom resolution [see Warnings and Precautions ( 5.1 )] . 5 WARNINGS AND PRECAUTIONS Hepatotoxicity : Monitor liver function tests during treatment with REZLIDHIA. If hepatotoxicity occurs, interrupt and reduce or discontinue REZLIDHIA. ( 2.3 , 5.2 ) 5.1 Differentiation Syndrome REZLIDHIA can cause differentiation syndrome. In the clinical trial of REZLIDHIA in patients with relapsed or refractory AML, differentiation syndrome occurred in 16% (25/153) of patients, with grade 3 or 4 differentiation syndrome occurring in 8% of patients treated, and fatalities in 1% of patients [see Adverse Reactions (6.1)]. Differentiation syndrome is associated with rapid proliferation and differentiation of myeloid cells and may be life-threatening or fatal. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.