Tazemetostat
Generic Name: tazemetostat
Brand Names:
Tazverik
11 DESCRIPTION Tazemetostat is a methyltransferase inhibitor. Tazemetostat hydrobromide has the following chemical name: [1,1'-Biphenyl]-3-carboxamide, N -[(1,2-dihydro-4,6-dimethyl-2-oxo-3-pyridinyl)methyl]-5-[ethyl(tetrahydro-2 H -pyran-4-yl)amino]-4-methyl-4'-(4-morpholinylmethyl)-, hydrobromide (1:1). The molecular formula of tazemetostat hydrobromide is C 34 H 44 N 4 O 4 ∙HBr.
Overview
11 DESCRIPTION Tazemetostat is a methyltransferase inhibitor. Tazemetostat hydrobromide has the following chemical name: [1,1'-Biphenyl]-3-carboxamide, N -[(1,2-dihydro-4,6-dimethyl-2-oxo-3-pyridinyl)methyl]-5-[ethyl(tetrahydro-2 H -pyran-4-yl)amino]-4-methyl-4'-(4-morpholinylmethyl)-, hydrobromide (1:1). The molecular formula of tazemetostat hydrobromide is C 34 H 44 N 4 O 4 ∙HBr.
Uses
1 INDICATIONS AND USAGE TAZVERIK is a methyltransferase inhibitor indicated for the treatment of: Adults and pediatric patients aged 16 years and older with metastatic or locally advanced epithelioid sarcoma not eligible for complete resection. ( 1.1 ) Adult patients with relapsed or refractory follicular lymphoma whose tumors are positive for an EZH2 mutation as detected by an FDA-approved test and who have received at least 2 prior systemic therapies. ( 1.2 ) Adult patients with relapsed or refractory follicular lymphoma who have no satisfactory alternative treatment options. ( 1.2 ) These indications are approved under accelerated approval based on overall response rate and duration of response.
Dosage
2 DOSAGE AND ADMINISTRATION Recommended dosage is 800 mg taken orally twice daily with or without food. ( 2.2 ) 2.1 Patient Selection Select patients with R/R FL for treatment with TAZVERIK based on the presence of EZH2 mutation of codons Y646, A682, or A692 in tumor specimens [see Clinical Studies ( 14.2 )] . Information on FDA-approved tests for the detection of EZH2 mutation in relapsed or refractory follicular lymphoma is available at: http://www.fda.gov/CompanionDiagnostics. 2.2 Recommended Dosage The recommended dosage of TAZVERIK is 800 mg orally twice daily with or without food until disease progression or unacceptable toxicity. Swallow tablets whole. Do not cut, crush, or chew tablets.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in labeling: Secondary Malignancies [see Warnings and Precautions ( 5.1 )]. The most common (≥20%) adverse reactions in patients with epithelioid sarcoma are pain, fatigue, nausea, decreased appetite, vomiting, and constipation. ( 6.1 ) The most common (≥20%) adverse reactions in patients with follicular lymphoma are fatigue, upper respiratory tract infection, musculoskeletal pain, nausea, and abdominal pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Epizyme at 855-463-5127 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Interactions
7 DRUG INTERACTIONS Strong or Moderate Cytochrome P450 (CYP)3A Inhibitors : Avoid coadministration of strong or moderate CYP3A inhibitors with TAZVERIK. Reduce the dose of TAZVERIK if coadministration of strong or moderate CYP3A inhibitors cannot be avoided. ( 2.3 , 7.1 ) Strong or Moderate CYP3A Inducers : Avoid coadministration with TAZVERIK. ( 7.1 ) 7.1 Effect of Other Drugs on TAZVERIK Strong or Moderate CYP3A Inhibitors Coadministration of TAZVERIK with a strong or moderate CYP3A inhibitor increases tazemetostat plasma concentrations [see Clinical Pharmacology ( 12.3 )], which may increase the frequency or severity of adverse reactions. Avoid coadministration of strong or moderate CYP3A inhibitors with TAZVERIK.
Warnings
5 WARNINGS AND PRECAUTIONS Secondary Malignancies : TAZVERIK increases the risk of developing secondary malignancies, including T-cell lymphoblastic lymphoma, myelodysplastic syndrome, acute myeloid leukemia, and B-cell acute lymphoblastic leukemia. Monitor patients long-term for the development of secondary malignancies. ( 5.1 ) Embryo-Fetal Toxicity : Can cause fetal harm. Advise patients of potential risk to a fetus and to use effective non-hormonal contraception. ( 5.2 ) 5.1 Secondary Malignancies The risk of developing secondary malignancies is increased following treatment with TAZVERIK. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on findings from animal studies and its mechanism of action [see Clinical Pharmacology ( 12.1 )] , TAZVERIK can cause fetal harm when administered to pregnant women. There are no available data on TAZVERIK use in pregnant women to inform the drug-associated risk.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING TAZVERIK 200 mg film-coated tablets are red, round, biconvex shape and debossed with "EZM 200" on one side and plain on the other. TAZVERIK is available in: Bottles of 240 tablets with a desiccant; NDC 72607-100-00 Do not store above 30°C (86°F).
Frequently Asked Questions
What is Tazemetostat used for?▼
1 INDICATIONS AND USAGE TAZVERIK is a methyltransferase inhibitor indicated for the treatment of: Adults and pediatric patients aged 16 years and older with metastatic or locally advanced epithelioid sarcoma not eligible for complete resection. ( 1.1 ) Adult patients with relapsed or refractory follicular lymphoma whose tumors are positive for an EZH2 mutation as detected by an FDA-approved test and who have received at least 2 prior systemic therapies. ( 1.2 ) Adult patients with relapsed or refractory follicular lymphoma who have no satisfactory alternative treatment options. ( 1.2 ) These indications are approved under accelerated approval based on overall response rate and duration of response.
What are the side effects of Tazemetostat?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in labeling: Secondary Malignancies [see Warnings and Precautions ( 5.1 )]. The most common (≥20%) adverse reactions in patients with epithelioid sarcoma are pain, fatigue, nausea, decreased appetite, vomiting, and constipation. ( 6.1 ) The most common (≥20%) adverse reactions in patients with follicular lymphoma are fatigue, upper respiratory tract infection, musculoskeletal pain, nausea, and abdominal pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Epizyme at 855-463-5127 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Tazemetostat during pregnancy?▼
8.1 Pregnancy Risk Summary Based on findings from animal studies and its mechanism of action [see Clinical Pharmacology ( 12.1 )] , TAZVERIK can cause fetal harm when administered to pregnant women. There are no available data on TAZVERIK use in pregnant women to inform the drug-associated risk.
What are the important warnings for Tazemetostat?▼
5 WARNINGS AND PRECAUTIONS Secondary Malignancies : TAZVERIK increases the risk of developing secondary malignancies, including T-cell lymphoblastic lymphoma, myelodysplastic syndrome, acute myeloid leukemia, and B-cell acute lymphoblastic leukemia. Monitor patients long-term for the development of secondary malignancies. ( 5.1 ) Embryo-Fetal Toxicity : Can cause fetal harm. Advise patients of potential risk to a fetus and to use effective non-hormonal contraception. ( 5.2 ) 5.1 Secondary Malignancies The risk of developing secondary malignancies is increased following treatment with TAZVERIK. 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.