| Multiple Myeloma
Darzalex vs Elrexfio
Side-by-side clinical, coverage, and cost comparison for multiple myeloma.Deep comparison between: Darzalex vs Elrexfio with Prescriber.AI
AI compares prescribing info and payer-specific access barriers across 1,200+ formularies. Here's a preview of what prescribers are already asking.Safety signalsElrexfio has a higher rate of injection site reactions vs Darzalex based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Elrexfio but not Darzalex, including UnitedHealthcare
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Category
Darzalex
Elrexfio
At A Glance
IV infusion
Weekly to every 4 weeks
Anti-CD38 monoclonal antibody
SC injection
Weekly to every 4 weeks
BCMA-directed T-cell engager
Indications
- Multiple Myeloma
- Multiple Myeloma
Dosing
Multiple Myeloma 16 mg/kg IV; dosing schedule varies by combination regimen: weekly for initial doses (6-9 doses), then every 2-3 weeks, then every 4 weeks until disease progression; pre-medicate with corticosteroids, antipyretics, and antihistamines before each infusion.
Multiple Myeloma Step-up SC dosing: 12 mg on Day 1, 32 mg on Day 4, then 76 mg weekly starting Day 8 through week 24; for responders, transitions to 76 mg every 2 weeks (weeks 25-48), then 76 mg every 4 weeks (week 49 onward); continue until disease progression or unacceptable toxicity.
Contraindications
- History of severe hypersensitivity (e.g., anaphylactic reactions) to daratumumab or any of the formulation components
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Adverse Reactions
Most common (>=20%) Upper respiratory infection, neutropenia, infusion-related reactions, thrombocytopenia, diarrhea, constipation, anemia, peripheral sensory neuropathy, fatigue, peripheral edema, nausea, cough, pyrexia, dyspnea, asthenia
Serious Pneumonia, infusion-related reactions (Grade 3-4), neutropenia, thrombocytopenia, febrile neutropenia, sepsis
Postmarketing Anaphylactic reaction, infusion-related reactions (including deaths), pancreatitis, cytomegalovirus, listeriosis
Most common (>=20%) CRS, fatigue, injection site reaction, diarrhea, upper respiratory tract infection, musculoskeletal pain, pneumonia, decreased appetite, rash, cough, nausea, pyrexia
Serious Pneumonia, sepsis, CRS, upper respiratory tract infection, acute kidney injury, urinary tract infection, COVID-19, encephalopathy, pyrexia, febrile neutropenia
Pharmacology
Anti-CD38 monoclonal antibody; daratumumab is an IgG1k human mAb that binds CD38 on tumor cells and induces apoptosis via Fc-mediated cross-linking and immune-mediated lysis through complement dependent cytotoxicity (CDC), antibody dependent cell mediated cytotoxicity (ADCC), and antibody dependent cellular phagocytosis (ADCP).
Elranatamab-bcmm is a bispecific BCMA-directed CD3 T-cell engaging antibody that simultaneously binds BCMA on plasma cells, plasmablasts, and multiple myeloma cells and CD3 on T-cells, leading to T-cell activation and cytolysis of BCMA-expressing cells.
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Most Common Insurance
Anthem BCBS
Darzalex
- Covered on 5 commercial plans
- PA (11/12) · Step Therapy (0/12) · Qty limit (0/12)
Elrexfio
- Covered on 5 commercial plans
- PA (9/12) · Step Therapy (0/12) · Qty limit (0/12)
UnitedHealthcare
Darzalex
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Elrexfio
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Humana
Darzalex
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (0/3) · Qty limit (0/3)
Elrexfio
- Covered on 0 commercial plans
- PA (2/3) · Step Therapy (0/3) · Qty limit (0/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
Cost estimate not availableCancerCare: Acute Lymphoblastic Leukemia
Commercial or private insurance
Medicare, Medicaid, VA, TRICARE
Cost estimate not availableCancerCare: Multiple Myeloma
Commercial or private insurance
Medicare, Medicaid, VA, TRICARE
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DarzalexView full Darzalex profile
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.