Gemtuzumab ozogamicina (gemtuzumab ozogamicin)

Para qué se usa Gemtuzumab ozogamicina

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.

MYLOTARG is a CD33-directed antibody and cytotoxic drug conjugate indicated for: • treatment of newly-diagnosed CD33-positive acute myeloid leukemia (AML) in adults and pediatric patients 1 month and older. • treatment of relapsed or refractory CD33-positive AML in adults and pediatric patients 2 years and older. …

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre de 2025. Leer la etiqueta completa en DailyMed →

Etiqueta citada: la de la presentación más común (injection, powder, lyophilized, for solution, intravenous), Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc.; abarca 1 producto 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: HEPATOTOXICITY. Leerla en la etiqueta completa →

Gemtuzumab ozogamicina: 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: HEPATOTOXICITY Hepatotoxicity, including severe or fatal hepatic veno-occlusive disease (VOD), also known as sinusoidal obstruction syndrome (SOS), has been reported in association with the use of MYLOTARG as a single agent, and as part of a combination chemotherapy regimen. Monitor frequently for signs and symptoms of VOD after treatment with MYLOTARG. (5.1 and 6.1) WARNING: HEPATOTOXICITY See full prescribing information for complete boxed warning.

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Hepatotoxicity, including severe or fatal hepatic veno-occlusive disease (VOD), also known as sinusoidal obstruction syndrome (SOS), has been reported in association with the use of MYLOTARG. (5.1, 6.1)

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre de 2025. Leer la etiqueta completa en DailyMed →

Efectos secundarios de Gemtuzumab ozogamicina

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:

• Hepatotoxicity, including VOD [see Warnings and Precautions (5.1)]
• Infusion-related reactions [see Warnings and Precautions (5.2)]
• Hemorrhage [see Warnings and Precautions (5.3)] The most common adverse reactions (greater than 15%) were hemorrhage, infection, fever, nausea, vomiting, constipation, headache, increased AST, increased ALT, rash, mucositis, febrile neutropenia, and decreased appetite (6).

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To report SUSPECTED ADVERSE REACTIONS, contact Pfizer Inc. at 1-800-438-1985 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. Combination Therapy in Newly-Diagnosed De Novo CD33-positive AML The safety of MYLOTARG in first-line combination therapy was evaluated in two prospective clinical trials, Study ALFA-0701 in adults and Study AAML0531 in pediatric patients. Study ALFA-0701 The safety evaluation of MYLOTARG (3 mg/m 2 Day 1, 4 and 7 in combination with daunorubicin and cytarabine [DA]) in adults is based on data from ALFA-0701 for 131 patients treated with MYLOTARG plus DA and in 137 patients treated with DA alone [see Clinical Studies (14.1)]. In this study, 123 patients received all 3 fractionated doses of MYLOTARG and 7 patients missed at least 1 dose, with a mean total dose administered during induction of 14.51 mg (range: 4.6–18.0). MYLOTARG was received by 91 (70%) patients in the MYLOTARG arm during Consolidation 1 and 64 (49%) patients in the MYLOTARG arm during Consolidation 2. Safety data consisting of selected TEAEs considered most important for understanding the safety profile of MYLOTARG as well as all adverse events (AEs) that led to the permanent discontinuation of treatment were retrospectively collected. The selected TEAEs consisted of all grades hemorrhages, all grades VOD, and severe infections. Discontinuation due to any adverse reaction occurred in 31% of patients in the MYLOTARG arm versus 7% in the DA arm. The most frequent (greater than or equal to 1%) adverse reactions for patients treated with MYLOTARG that led to permanent discontinuation were thrombocytopenia (15%), VOD (3%), and septic shock (2%). Fatal adverse reactions occurred in 8 patients (6%) in the MYLOTARG arm versus 3 patients (2%) in the DA arm. In the MYLOTARG arm, 3 patients died of VOD, 4 patients died of hemorrhage-related events (CNS hemorrhage, hemorrhagic shock), and 1 patient died of suspected cardiac cause. In the DA arm, 3 patients died of sepsis. Table 2. Selected Grade 3 and Higher Adverse Reactions in Patients with Newly-Diagnosed De Novo AML in ALFA-0701 MYLOTARG + Daunorubicin + Cytarabine (n, %) Daunorubicin + Cytarabine (n, %) Abbreviations: AML=acute myeloid leukemia; N=number of patients; PT=preferred term.

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre de 2025. Esto es solo una parte de la sección. Leer la etiqueta completa en DailyMed →

Dosis de Gemtuzumab ozogamicina

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.

• Newly-diagnosed, de novo AML (combination regimen) Adults: - Induction: 3 mg/m 2 (up to one 4.5 mg vial) on Days 1, 4, and 7 in combination with daunorubicin and cytarabine (2.2). - Consolidation: 3 mg/m 2 on Day 1 (up to one 4.5 mg vial) in combination with daunorubicin and cytarabine (2.2).

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Pediatric patients 1 month and older: - 3 mg/m 2 for patients with body surface area (BSA) 0.6 m 2 or greater (2.2). - 0.1 mg/kg for patients with BSA less than 0.6 m 2 (2.2). - See Full Prescribing Information for complete dosing information (2.2).

• Newly-diagnosed AML (single-agent regimen): Adults: - Induction: 6 mg/m 2 (not limited to one 4.5 mg vial) on Day 1 and 3 mg/m 2 (not limited to one 4.5 mg vial) on Day 8 (2.2). - Continuation: For patients without evidence of disease progression following induction, up to 8 continuation courses of MYLOTARG 2 mg/m 2 (not limited to one 4.5 mg vial) on Day 1 every 4 weeks (2.2).
• Relapsed or refractory AML (single-agent regimen): Adults and pediatric patients 2 years and older: - 3 mg/m 2 (up to one 4.5 mg vial) on Days 1, 4, and 7 (2.2).
• Premedicate with a corticosteroid, antihistamine, and acetaminophen (2.1). 2.1 Premedication and Special Considerations
• Premedicate adults with acetaminophen 650 mg orally and diphenhydramine 50 mg orally or intravenously 1 hour prior to MYLOTARG dosing and 1 mg/kg methylprednisolone or an equivalent dose of an alternative corticosteroid within 30 minutes prior to infusion of MYLOTARG.
• Premedicate pediatric patients 1 month and older with acetaminophen 15 mg/kg (maximum of 650 mg) and diphenhydramine 1 mg/kg (maximum of 50 mg) 1 hour prior to MYLOTARG dosing, and 1 mg/kg methylprednisolone orally or intravenously within 30 minutes prior to infusion of MYLOTARG; additional doses of acetaminophen and diphenhydramine may be administered every 4 hours after the initial pretreatment dose. Repeat with the same dose of methylprednisolone or an equivalent corticosteroid for any sign of an infusion reaction, such as fever, chills, hypotension, or dyspnea during the infusion or within 4 hours afterwards [see Warnings and Precautions (5.2)].
• Use appropriate measures to prevent tumor lysis syndrome.
• For patients with hyperleukocytosis (leukocyte count greater than or equal to 30 Gi/L), cytoreduction is recommended prior to administration of MYLOTARG. 2.2 Recommended Dosage Newly-Diagnosed De Novo CD33-positive AML (Combination Regimen) Adults The recommended dose of MYLOTARG in adults is 3 mg/m 2. A treatment course including MYLOTARG in combination therapy for adults with newly-diagnosed de novo CD33-positive AML consists of 1 induction cycle and 2 consolidation cycles [see Clinical Studies (14.1)]. For the induction cycle, the recommended dose of MYLOTARG is 3 mg/m 2 (up to one 4.5 mg vial) on Days 1, 4, and 7 in combination with daunorubicin and cytarabine. For patients requiring a second induction cycle, do NOT administer MYLOTARG during the second induction cycle.

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre de 2025. Esto es solo una parte de la sección. Leer la etiqueta completa en DailyMed →

Gemtuzumab ozogamicina 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 its mechanism of action and findings from animal studies [see Clinical Pharmacology (12.1), Nonclinical Toxicology (13.1)], MYLOTARG can cause embryo-fetal harm when administered to a pregnant woman. There are no available data on MYLOTARG use in pregnant women to evaluate for a drug-associated risk.

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In animal reproduction studies, gemtuzumab ozogamicin caused embryo-fetal toxicity, including structural abnormalities and alterations to growth, at maternal systemic exposures that were greater than or equal to 0.4 times the exposure in patients at the maximum recommended dose based on AUC (see Data). Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. 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 In an embryo-fetal development study in rats, pregnant animals received daily intravenous doses up to 1.2 mg/m 2 /day gemtuzumab ozogamicin during the period of organogenesis. Embryo-fetal toxicities including fetal growth retardation as evidenced by decreased live fetal weights, incidence of fetal wavy ribs and delayed skeletal ossification were observed at greater than or equal to 0.15 mg/m 2 /day. Increased embryo-fetal lethality and fetal morphological anomalies (digital malformations, absence of the aortic arch, anomalies in the long bones in the forelimbs, misshapen scapula, absence of a vertebral centrum, and fused sternebrae) were observed at greater than or equal to 0.36 mg/m 2 /day. All doses with embryo-fetal effects were observed in the presence of maternal toxicity that included decreases in gestational body weight gain, food consumption, and gravid uterine weight. The lowest dose at which embryo-fetal effects were observed in rats (0.15 mg/m 2 /day) was 0.4 times the exposure in patients at the maximum recommended human dose, based on AUC.

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre de 2025. Leer la etiqueta completa en DailyMed →

Cuándo no se debe usar Gemtuzumab ozogamicina

Cita de la sección «Contraindications» (contraindicaciones) de la etiqueta aprobada por la FDA. Se muestra en inglés.

MYLOTARG is contraindicated in patients with a history of hypersensitivity to the active substance in MYLOTARG or any of its components or to any of the excipients. Reactions have included anaphylaxis [see Warnings and Precautions (5.2), Adverse Reactions (6)]. Hypersensitivity to MYLOTARG or any of its components (4).

— Etiqueta de la FDA: Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre 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.

• Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc.1 producto

Historial de aprobación de la FDA

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• Leucemia mielógena agudaEnfermedad que menciona la etiqueta: hospitales que la tratan
• Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc.Fabricante o distribuidor
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Fuentes

1. Etiqueta aprobada por la FDA en DailyMed (Biblioteca Nacional de Medicina) — Mylotarg, Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., vigente desde el 19 de diciembre 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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