Enasidenib (enasidenib mesylate)

Para qué se usa Enasidenib

Cita de la sección «Indications and Usage» (indicaciones y uso) de la etiqueta aprobada por la FDA. Se muestra en inglés, tal como la publica la FDA.

IDHIFA is an isocitrate dehydrogenase-2 inhibitor indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with an isocitrate dehydrogenase-2 (IDH2) mutation as detected by an FDA-approved test. …

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Leer la etiqueta completa en DailyMed →

Etiqueta citada: la de la presentación más común (tablet, film coated, oral), Idhifa, Celgene Corporation; abarca 2 productos del directorio NDC de la FDA. Las citas sobre efectos secundarios, interacciones, dosis y embarazo de abajo vienen de esta misma etiqueta.

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Enfermedades que menciona la etiqueta

Estos nombres aparecen tal cual en la sección «Indications and Usage» de la etiqueta (según una tabla revisada). Cada página muestra los hospitales cuyos sitios web mencionan la enfermedad.

Especialidades médicas relacionadas

Advertencia en recuadro

La advertencia en recuadro («caja negra») es la advertencia más seria de la FDA en la etiqueta de un medicamento, para riesgos graves o mortales.

Esta etiqueta tiene una advertencia en recuadro. Su título: WARNING: DIFFERENTIATION SYNDROME. Leerla en la etiqueta completa →

Enasidenib: lo que dice la advertencia en recuadro

Cita de la advertencia en recuadro (Boxed Warning) de la etiqueta aprobada por la FDA. Se muestra en inglés.

WARNING: DIFFERENTIATION SYNDROME Patients treated with IDHIFA have experienced symptoms of differentiation syndrome, which can be fatal if not treated. Symptoms may include fever, dyspnea, acute respiratory distress, pulmonary infiltrates, pleural or pericardial effusions, rapid weight gain or peripheral edema, lymphadenopathy, bone pain, and hepatic, renal, or multi-organ dysfunction.

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If differentiation syndrome is suspected, initiate corticosteroid therapy and hemodynamic monitoring until symptom resolution [see Warnings and Precautions (5.1) and Adverse Reactions (6.1)]. WARNING: DIFFERENTIATION SYNDROME See full prescribing information for complete boxed warning. Patients treated with IDHIFA have experienced symptoms of differentiation syndrome, which can be fatal if not treated. If differentiation syndrome is suspected, initiate corticosteroid therapy and hemodynamic monitoring until symptom resolution (5.1, 6.1).

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Leer la etiqueta completa en DailyMed →

Efectos secundarios de Enasidenib

Cita de la sección «Adverse Reactions» (reacciones adversas) de la etiqueta aprobada por la FDA. Se muestra en inglés. Avise a su médico de cualquier efecto secundario que le preocupe.

The following clinically significant adverse reactions are described elsewhere in the labeling:

• Differentiation Syndrome [see Warnings and Precautions (5.1)] The most common adverse reactions (≥20%) are nausea, vomiting, diarrhea, elevated bilirubin, and decreased appetite (6.1).

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To report SUSPECTED ADVERSE REACTIONS, contact Bristol Myers Squibb at 1-800-721-5072 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience 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. The safety evaluation of single-agent IDHIFA is based on 214 patients with relapsed or refractory AML who were assigned to receive 100 mg daily [see Clinical Studies (14.1)]. The median duration of exposure to IDHIFA was 4.3 months (range 0.3 to 23.6). The 30-day and 60-day mortality rates observed with IDHIFA were 4.2% (9/214) and 11.7% (25/214), respectively. Serious adverse reactions were reported in 77.1% of patients. The most frequent serious adverse reactions (≥2%) were leukocytosis (10%), diarrhea (6%), nausea (5%), vomiting (3%), decreased appetite (3%), tumor lysis syndrome (5%), and differentiation syndrome (8%). Differentiation syndrome events characterized as serious included pyrexia, renal failure acute, hypoxia, respiratory failure, and multi-organ failure. Overall, 92 of 214 patients (43%) required a dose interruption due to an adverse reaction; the most frequent adverse reactions leading to dose interruption were differentiation syndrome (4%) and leukocytosis (3%). Ten of 214 patients (5%) required a dose reduction due to an adverse reaction; no adverse reaction required dose reduction in more than 2 patients. Thirty-six of 214 patients (17%) permanently discontinued IDHIFA due to an adverse reaction; the most frequent adverse reaction leading to permanent discontinuation was leukocytosis (1%). The most common adverse reactions (≥20%) of any grade were nausea, vomiting, diarrhea, elevated bilirubin and decreased appetite. Adverse reactions reported in the trial are shown in Table 2. Table 2: Adverse Reactions Reported in ≥10% (Any Grade) or ≥3% (Grade 3-5) of Patients with Relapsed or Refractory AML a Gastrointestinal disorders observed with IDHIFA treatment can be associated with other commonly reported events such as abdominal pain, and weight decreased. b Tumor lysis syndrome observed with IDHIFA treatment can be associated with commonly reported uric acid increased. c Differentiation syndrome can be associated with other commonly reported events such as respiratory failure, dyspnea, hypoxia, pyrexia, peripheral edema, rash, or renal insufficiency.

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Esto es solo una parte de la sección. Leer la etiqueta completa en DailyMed →

Interacciones de Enasidenib

Cita de la sección «Drug Interactions» (interacciones) de la etiqueta aprobada por la FDA. Se muestra en inglés. Dígale a su farmacéutico todos los medicamentos, vitaminas y productos herbales que toma.

• Certain CYP1A2 and CYP2C19 Substrates: Avoid concomitant use unless otherwise recommended in the Prescribing Information (7.1).
• Certain CYP3A Substrates: Avoid concomitant use unless otherwise recommended in the Prescribing Information (7.1).

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• Certain OATP1B1, OATP1B3, and BCRP Substrates: Avoid concomitant use unless otherwise recommended in the Prescribing Information (7.1). 7.1 Effect of IDHIFA on Other Drugs Certain CYP1A2 Substrates Avoid concomitant use with IDHIFA unless otherwise recommended in the Prescribing Information for CYP1A2 substrates where minimal concentration changes may lead to serious adverse reactions. Consider reducing the frequency of caffeine intake from various food and beverages in a 24 hour period while taking IDHIFA because IDHIFA may increase the effect of caffeine in patients who are sensitive to it. Enasidenib is a CYP1A2 inhibitor. Concomitant use of IDHIFA increases the exposure of CYP1A2 substrates [see Clinical Pharmacology (12.3)], which may increase the risk of adverse reactions related to the substrates. Certain CYP2C19 substrates Avoid concomitant use with IDHIFA unless otherwise recommended in the Prescribing Information for CYP2C19 substrates where minimal concentration changes may lead to serious adverse reactions. Enasidenib is a CYP2C19 inhibitor. Concomitant use of IDHIFA increases the exposure of CYP2C19 substrates [see Clinical Pharmacology (12.3)], which may increase the risk of adverse reactions related to these substrates. Certain CYP3A substrates Avoid concomitant use with IDHIFA unless otherwise recommended in the Prescribing Information for CYP3A substrates where minimal concentration changes may lead to reduced efficacy. Do not administer IDHIFA with anti-fungal agents that are substrates of CYP3A due to expected loss of antifungal efficacy. Co-administration of IDHIFA may decrease the concentrations of hormonal contraceptives. Consider alternative methods of contraception in patients receiving IDHIFA [See use in Specific Population (8.1, 8.3)]. Enasidenib is a CYP3A inducer. Concomitant use of IDHIFA decreases the exposure of CYP3A substrates [see Clinical Pharmacology (12.3)], which may reduce the efficacy of the substrates. Certain OATP1B1, OATP1B3, and BCRP Substrates Avoid coadministration of IDHIFA with OATP1B1, OATP1B3, and BCRP substrates, for which minimal concentration changes may lead to serious toxicities. If coadministration cannot be avoided, decrease the OATP1B1, OATP1B3, and BCRP substrates dosage(s) in accordance with the respective Prescribing Information. Enasidenib is an OATP1B1, OATP1B3, and BCRP transporter inhibitor. Concomitant use of IDHIFA increases the exposure of OATP1B1, OATP1B3, and BCRP substrates [see Clinical Pharmacology (12.3)], which may increase the risk of adverse reactions related to these substrates.

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Esto es solo una parte de la sección. Leer la etiqueta completa en DailyMed →

Dosis de Enasidenib

Cita de la sección «Dosage and Administration» (dosis y administración) de la etiqueta aprobada por la FDA. Se muestra en inglés. Su dosis es la que le receta su médico: no la cambie por su cuenta.

100 mg orally once daily until disease progression or unacceptable toxicity (2.2). 2.1 Patient Selection Select patients for the treatment of AML with IDHIFA based on the presence of IDH2 mutations in the blood or bone marrow [see Indications and Usage (1.1) and Clinical Studies (14.1)].

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Information on FDA-approved tests for the detection of IDH2 mutations in AML is available at http://www.fda.gov/CompanionDiagnostics. 2.2 Recommended Dosage The recommended dosage of IDHIFA is 100 mg taken orally once daily with or without food until disease progression or unacceptable toxicity. For patients without disease progression or unacceptable toxicity, treat for a minimum of 6 months to allow time for clinical response. Swallow tablets whole. Do not chew, split, or crush IDHIFA tablets. Administer IDHIFA tablets orally about the same time each day. If a dose of IDHIFA is vomited, missed, or not taken at the usual time, administer the dose as soon as possible on the same day, and return to the normal schedule the following day. 2.3 Monitoring and Dosage Modifications for Toxicities Assess blood counts and blood chemistries for leukocytosis and tumor lysis syndrome prior to the initiation of IDHIFA and monitor at a minimum of every 2 weeks for at least the first 3 months during treatment. Manage any abnormalities promptly [see Adverse Reactions (6.1)]. Interrupt dosing or reduce dose for toxicities. See Table 1 for dosage modification guidelines. Table 1: Dosage Modifications for IDHIFA-Related Toxicities *Grade 1 is mild, Grade 2 is moderate, Grade 3 is serious, Grade 4 is life-threatening. Adverse Reaction Recommended Action

• Differentiation syndrome
• If differentiation syndrome is suspected, administer systemic corticosteroids and initiate hemodynamic monitoring [see Warnings and Precautions (5.1)].
• Interrupt IDHIFA if severe pulmonary symptoms requiring intubation or ventilator support, and/or renal dysfunction persist for more than 48 hours after initiation of corticosteroids [see Warnings and Precautions (5.1)].
• Resume IDHIFA when signs and symptoms improve to Grade 2* or lower.
• Noninfectious leukocytosis (white blood cell [WBC] count greater than 30 × 10 9 /L)
• Initiate treatment with hydroxyurea, as per standard institutional practices.
• Interrupt IDHIFA if leukocytosis is not improved with hydroxyurea, and then resume IDHIFA at 100 mg daily when WBC is less than 30 × 10 9 /L.
• Elevation of bilirubin greater than 3 times the upper limit of normal (ULN) sustained for ≥2 weeks without elevated transaminases or other hepatic disorders
• Reduce IDHIFA dose to 50 mg daily.
• Resume IDHIFA at 100 mg daily if bilirubin elevation resolves to less than 2 × ULN.
• Other Grade 3* or higher toxicity considered related to treatment including tumor lysis syndrome
• Interrupt IDHIFA until toxicity resolves to Grade 2* or lower.
• Resume IDHIFA at 50 mg daily; may increase to 100 mg daily if toxicities resolve to Grade 1* or lower.
• If Grade 3* or higher toxicity recurs, discontinue IDHIFA.

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Esto es solo una parte de la sección. Leer la etiqueta completa en DailyMed →

Enasidenib en el embarazo

Cita de la parte sobre embarazo (Pregnancy) de la etiqueta aprobada por la FDA. Se muestra en inglés. Pregunte a su médico antes de tomar cualquier medicamento si está embarazada o planea estarlo.

Risk Summary Based on animal embryo-fetal toxicity studies, IDHIFA can cause fetal harm when administered to a pregnant woman. There are no available data on IDHIFA use in pregnant women to inform a drug-associated risk of major birth defects and miscarriage.

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In animal embryo-fetal toxicity studies, oral administration of enasidenib to pregnant rats and rabbits during organogenesis was associated with embryo-fetal mortality and alterations to growth starting at 0.1 times the steady state clinical exposure based on the AUC at the recommended human dose (see Data). Advise pregnant women of the potential risk to a fetus. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2%-4% and 15%-20%, respectively. Data Animal Data Enasidenib administered to pregnant rats at a dose of 30 mg/kg twice daily during organogenesis (gestation days 6-17) was associated with maternal toxicity and adverse embryo-fetal effects including post-implantation loss, resorptions, decreased viable fetuses, lower fetal birth weights, and skeletal variations. These effects occurred in rats at approximately 1.6 times the clinical exposure at the recommended human daily dose of 100 mg/day. In pregnant rabbits treated during organogenesis (gestation days 7-19), enasidenib was maternally toxic at doses equal to 5 mg/kg/day or higher (exposure approximately 0.1 to 0.6 times the steady state clinical exposure at the recommended daily dose) and caused spontaneous abortions at 5 mg/kg/day (exposure approximately 0.1 times the steady state clinical exposure at the recommended daily dose).

— Etiqueta de la FDA: Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025. Leer la etiqueta completa en DailyMed →

Presentaciones y vía de administración

Empresas que tienen este medicamento

Empresas en el directorio NDC de la FDA: la empresa que aparece en el envase (fabricante o distribuidor), con su número de productos con receta.

• Celgene Corporation2 productos

Historial de aprobación de la FDA

• NDA: Solicitud de nuevo medicamento (NDA): así se aprueba un medicamento nuevo, normalmente de marca.

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• Celgene CorporationFabricante o distribuidor
• Todos los medicamentos con receta de la A a la ZBusque por nombre genérico, de marca o en español

Fuentes

1. Etiqueta aprobada por la FDA en DailyMed (Biblioteca Nacional de Medicina) — Idhifa, Celgene Corporation, vigente desde el 16 de enero de 2025; vía openFDA, datos de la FDA exportados el 30 de octubre de 2026, consultados el 31 de octubre de 2026
2. NDC Directory (openFDA) — Administración de Alimentos y Medicamentos de los EE. UU. (FDA), datos de la FDA exportados el 30 de octubre de 2026, consultados el 31 de octubre de 2026
3. Drugs@FDA (openFDA) — Administración de Alimentos y Medicamentos de los EE. UU. (FDA), datos de la FDA exportados el 30 de octubre de 2026, consultados el 31 de octubre de 2026
4. Drug recall enforcement reports (openFDA) — Administración de Alimentos y Medicamentos de los EE. UU. (FDA), datos de la FDA exportados el 27 de octubre de 2026, consultados el 31 de octubre de 2026
5. Drug shortages (openFDA) — Administración de Alimentos y Medicamentos de los EE. UU. (FDA), datos de la FDA exportados el 30 de octubre de 2026, consultados el 31 de octubre de 2026
6. Nombre en español: RxNorm (Biblioteca Nacional de Medicina de EE. UU.) y Wikidata, vinculados por el identificador RxNorm (RxCUI) del principio activo, sin coincidencias aproximadas.

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