| Metastasis from malignant neoplasm of colon and/or rectum
Erbitux vs Lumakras
Side-by-side clinical, coverage, and cost comparison for metastasis from malignant neoplasm of colon and/or rectum.Deep comparison between: Erbitux vs Lumakras 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 signalsLumakras has a higher rate of injection site reactions vs Erbitux based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Lumakras but not Erbitux, including UnitedHealthcare
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Category
Erbitux
Lumakras
At A Glance
IV infusion
Weekly or every 2 weeks
EGFR antagonist
Oral
Once daily
KRAS G12C inhibitor
Indications
- Squamous cell carcinoma of the head and neck
- Metastasis from malignant neoplasm of colon and/or rectum
- Non-Small Cell Lung Carcinoma
- Metastasis from malignant neoplasm of colon and/or rectum
Dosing
Squamous cell carcinoma of the head and neck In combination with radiation therapy: initial 400 mg/m2 IV (120-min) one week prior to radiation, then 250 mg/m2 weekly (60-min) for 6-7 weeks, completing infusion 1 hour prior to radiation; as single-agent or with platinum-based therapy and fluorouracil: weekly (400 mg/m2 initial, 250 mg/m2 subsequent) or biweekly (500 mg/m2 every 2 weeks), completing infusion 1 hour prior to chemotherapy.
Metastasis from malignant neoplasm of colon and/or rectum As single-agent or in combination with irinotecan or FOLFIRI: weekly (400 mg/m2 initial, 250 mg/m2 subsequent) or biweekly (500 mg/m2 every 2 weeks), completing infusion 1 hour prior to irinotecan or FOLFIRI; in combination with encorafenib (BRAF V600E mutation-positive): initial 400 mg/m2 IV (120-min), then 250 mg/m2 weekly (60-min).
Non-Small Cell Lung Carcinoma 960 mg (three 320 mg or four 240 mg or eight 120 mg tablets) orally once daily as a single agent until disease progression or unacceptable toxicity.
Metastasis from malignant neoplasm of colon and/or rectum 960 mg (three 320 mg or four 240 mg or eight 120 mg tablets) orally once daily in combination with panitumumab until disease progression or unacceptable toxicity; administer the first dose prior to the first panitumumab infusion.
Contraindications
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Adverse Reactions
Most common (>=25%) Cutaneous adverse reactions (rash, pruritus, nail changes), headache, diarrhea, infection; with encorafenib: fatigue, nausea, diarrhea, dermatitis acneiform, abdominal pain, decreased appetite, arthralgia, rash.
Serious Infusion reactions, cardiopulmonary arrest, pulmonary toxicity, dermatologic toxicity (acneiform rash), hypomagnesemia and electrolyte abnormalities, pulmonary embolism.
Postmarketing Aseptic meningitis, mucosal inflammation, Stevens-Johnson syndrome, toxic epidermal necrolysis, life-threatening and fatal bullous mucocutaneous disease.
Most common (>=20%) - NSCLC Diarrhea, musculoskeletal pain, nausea, fatigue, hepatotoxicity, cough.
Most common (>=20%) - mCRC with panitumumab Rash, dry skin, diarrhea, stomatitis, fatigue, musculoskeletal pain.
Serious Hepatotoxicity, interstitial lung disease/pneumonitis, pneumonia, diarrhea (NSCLC); sepsis, intestinal obstruction (mCRC with panitumumab).
Pharmacology
EGFR antagonist; cetuximab is a recombinant human/mouse chimeric IgG1 monoclonal antibody that binds specifically to the extracellular domain of EGFR, competitively inhibiting EGF and other ligand binding, blocking receptor-associated kinase phosphorylation, inhibiting cell growth, inducing apoptosis, decreasing matrix metalloproteinase and VEGF production, and mediating antibody-dependent cellular cytotoxicity (ADCC) against certain human tumor types.
KRAS G12C inhibitor; sotorasib forms an irreversible, covalent bond with the unique cysteine of KRAS G12C, locking the protein in an inactive state that prevents downstream signaling without affecting wild-type KRAS, thereby blocking tumor cell growth and promoting apoptosis in KRAS G12C tumor cell lines.
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Most Common Insurance
Anthem BCBS
Erbitux
- Covered on 5 commercial plans
- PA (12/12) · Step Therapy (0/12) · Qty limit (0/12)
Lumakras
- Covered on 5 commercial plans
- PA (12/12) · Step Therapy (0/12) · Qty limit (11/12)
UnitedHealthcare
Erbitux
- Covered on 4 commercial plans
- PA (3/8) · Step Therapy (3/8) · Qty limit (0/8)
Lumakras
- Covered on 4 commercial plans
- PA (6/8) · Step Therapy (0/8) · Qty limit (6/8)
Humana
Erbitux
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (0/3) · Qty limit (0/3)
Lumakras
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (0/3) · Qty limit (2/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
Cost estimate not availableAssistance Fund: Head and Neck Cancer: Waitlist
Commercial or private insurance
Medicare, Medicaid, VA, TRICARE
Cost estimate not availableAmgen Safety Net Foundation
Commercial or private insurance
Medicare, Medicaid, VA, TRICARE
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ErbituxView full Erbitux profile
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.