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VYXEOS is a chemotherapy that provides a potent delivery of 2 drugs at a synergistic ratio1

VYXEOS has been shown to deliver daunorubicin and cytarabine at a synergistic molar ratio and persist in the bone marrow for a prolonged period of time1-4

  • The synergistic 1:5 molar ratio of daunorubicin and cytarabine has been shown to enhance the killing of leukemia cells in vitro and in murine models1
  • This ratio was shown to be maintained in the plasma for up to 24 hours in a Phase 1 clinical trial4
  • The longer half-life of VYXEOS results in greater drug exposure within the plasma and bone marrow than traditional chemotherapy1,4
    • Estimated median half-life of daunorubicin was 32 hours with VYXEOS vs 19 hours as free drug1,5
    • Estimated median half life of cytarabine was 40 hours with VYXEOS vs approximately 1-3 hours as free drug1,6

See the overall survival data for VYXEOS compared to 7+3a in adults with newly-diagnosed secondary AML subtypes, t-AML or AML-MRC1

‌aCytarabine 100 mg/m2 and daunorubicin 60 mg/m2.

Key highlights

Based on animal studies…

Cross-section of bone marrow with VYXEOS

Delivery to bone marrow1

VYXEOS liposomes enter and persist in the bone marrow

Microscopic view of VYXEOS and leukemic cells

Leukemia cell uptake1

VYXEOS liposomes are taken up by leukemia cells to a greater extent than by normal bone marrow cells in a murine model

Release of drugs from VYXEOS liposome

Release of daunorubicin and cytarabine1

VYXEOS liposomes undergo degradation, releasing daunorubicin and cytarabine within the intracellular environment

INDICATION

VYXEOS (daunorubicin and cytarabine) liposome for injection 44 mg/100 mg is indicated for the treatment of adults with newly-diagnosed therapy-related acute myeloid leukemia (t-AML) or AML with myelodysplasia-related changes (AML-MRC).

IMPORTANT SAFETY INFORMATION

WARNING: DO NOT INTERCHANGE WITH OTHER DAUNORUBICIN AND/OR CYTARABINE-CONTAINING PRODUCTS

VYXEOS has different dosage recommendations than daunorubicin hydrochloride injection, cytarabine injection, daunorubicin citrate liposome injection, and cytarabine liposome injection. Verify drug name and dose prior to preparation and administration to avoid dosing errors.

Contraindications

VYXEOS is contraindicated in patients with a history of serious hypersensitivity reactions to cytarabine, daunorubicin, or any component of the formulation.

Warnings and Precautions

Hemorrhage

Serious or fatal hemorrhage events, including fatal CNS hemorrhages, associated with prolonged thrombocytopenia, have occurred with VYXEOS. The overall incidence (grade 1-5) of hemorrhagic events was 74% in the VYXEOS arm and 56% in the control arm. The most frequently reported hemorrhagic event was epistaxis (36% in VYXEOS arm and 18% in control arm). Grade 3 or greater events occurred in 12% of VYXEOS-treated patients and in 8% of patients in the control arm. Fatal treatment-emergent CNS hemorrhage not in the setting of progressive disease occurred in 2% of patients in the VYXEOS arm and in 0.7% of patients in the control arm. Monitor blood counts regularly and administer platelet transfusion support as required.

Cardiotoxicity

VYXEOS contains daunorubicin, which has a known risk of cardiotoxicity. This risk may be increased in patients with prior anthracycline therapy, preexisting cardiac disease, previous radiotherapy to the mediastinum, or concomitant use of cardiotoxic drugs. Assess cardiac function prior to VYXEOS treatment and repeat prior to consolidation and as clinically required. Discontinue VYXEOS in patients with impaired cardiac function unless the benefit of initiating or continuing treatment outweighs the risk. VYXEOS is not recommended in patients with cardiac function that is less than normal.

Total cumulative doses of non-liposomal daunorubicin greater than 550 mg/m2 have been associated with an increased incidence of drug-induced congestive heart failure. The tolerable limit appears lower (400 mg/m2) in patients who received radiation therapy to the mediastinum. Calculate the lifetime cumulative anthracycline exposure prior to each cycle of VYXEOS. VYXEOS is not recommended in patients whose lifetime anthracycline exposure has reached the maximum cumulative limit.

Hypersensitivity Reactions

Serious or fatal hypersensitivity reactions, including anaphylactic reactions, have been reported with daunorubicin and cytarabine. Monitor patients for hypersensitivity reactions. If a mild or moderate hypersensitivity reaction occurs, interrupt or slow the rate of infusion with VYXEOS and manage symptoms. If a severe or life-threatening hypersensitivity reaction occurs, discontinue VYXEOS permanently, treat the symptoms, and monitor until symptoms resolve.

Copper Overload

VYXEOS contains copper. Consult with a hepatologist and nephrologist with expertise in managing acute copper toxicity in patients with Wilson’s disease treated with VYXEOS. Monitor total serum copper, serum non-ceruloplasmin-bound copper, 24-hour urine copper levels, and serial neuropsychological examinations during VYXEOS treatment in patients with Wilson’s disease or other copper-related metabolic disorders. Use only if the benefits outweigh the risks. Discontinue in patients with signs or symptoms of acute copper toxicity.

Tissue Necrosis

Daunorubicin has been associated with severe local tissue necrosis at the site of drug extravasation. Administer VYXEOS by the intravenous route only. Do not administer by intramuscular or subcutaneous route.

Embryo-Fetal Toxicity

VYXEOS can cause embryo-fetal harm when administered to a pregnant woman. Patients should avoid becoming pregnant while taking VYXEOS. If VYXEOS is used during pregnancy or if the patient becomes pregnant while taking VYXEOS, apprise the patient of the potential risk to a fetus. Advise females and males of reproductive potential to use effective contraception during treatment and for 6 months following the last dose of VYXEOS.

MOST COMMON ADVERSE REACTIONS

The most common adverse reactions (incidence ≥25%) were hemorrhagic events (74%), febrile neutropenia (70%), rash (56%), edema (55%), nausea (49%), mucositis (48%), diarrhea (48%), constipation (42%), musculoskeletal pain (43%), fatigue (39%), abdominal pain (36%), dyspnea (36%), headache (35%), cough (35%), decreased appetite (33%), arrhythmia (31%), pneumonia (31%), bacteremia (29%), chills (27%), sleep disorders (26%), and vomiting (25%).

Please see full Prescribing Information, including BOXED Warning.

AML=acute myeloid leukemia; AML-MRC=AML with myelodysplasia-related changes; t-AML=therapy-related AML.

References: 1. VYXEOS [package insert]. Palo Alto, CA: Jazz Pharmaceuticals. 2. Mayer LD, Harasym TO, Tardi PG, et al. Ratiometric dosing of anticancer drug combinations: controlling drug ratios after systemic administration regulates therapeutic activity in tumor-bearing mice. Mol Cancer Ther. 2006;5(7):1854-1863. 3. Tardi P, Johnstone S, Harasym N, et al. Leuk Res. 2009;33(1):129-139. 4. Feldman EJ, Lancet JE, Kolitz JE, et al. J Clin Oncol. 2011;29(8):979-985. 5. Daunorubicin hydrochloride injection [package insert]. Bedford, OH: Bedford Laboratories. 6. Cytarabine injection [package insert]. New York, NY: Pfizer Inc.

INDICATION

VYXEOS (daunorubicin and cytarabine) liposome for injection 44 mg/100 mg is indicated for the treatment of adults with newly-diagnosed therapy-related acute myeloid leukemia (t-AML) or AML with myelodysplasia-related changes (AML-MRC).

Important Safety Information

WARNING: DO NOT INTERCHANGE WITH OTHER DAUNORUBICIN AND/OR CYTARABINE-CONTAINING PRODUCTS

VYXEOS has different dosage recommendations than daunorubicin hydrochloride injection, cytarabine injection, daunorubicin citrate liposome injection, and cytarabine liposome injection. Verify drug name and dose prior to preparation and administration to avoid dosing errors.