| Immune thrombocytopenic purpura
Tavalisse vs Privigen
Side-by-side clinical, coverage, and cost comparison for immune thrombocytopenic purpura.Deep comparison between: Tavalisse vs Privigen 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 signalsPrivigen has a higher rate of injection site reactions vs Tavalisse based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Privigen but not Tavalisse, including UnitedHealthcare
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Category
Tavalisse
Privigen
At A Glance
Oral
Twice daily
SYK inhibitor
IV infusion
Every 3-4 weeks
Intravenous immunoglobulin (IVIG)
Indications
- Immune thrombocytopenic purpura
- Congenital agammaglobulinemia
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Wiskott-Aldrich Syndrome
- Severe Combined Immunodeficiency
- Immune thrombocytopenic purpura
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Dosing
Immune thrombocytopenic purpura Initiate at 100 mg orally twice daily; after 4 weeks, increase to 150 mg twice daily if platelet count has not reached at least 50 x 10 9 /L; use the lowest dose to maintain platelet count at least 50 x 10 9 /L; discontinue after 12 weeks if platelet count does not increase sufficiently to avoid clinically important bleeding.
Congenital agammaglobulinemia, Common Variable Immunodeficiency, X-linked agammaglobulinemia, Wiskott-Aldrich Syndrome, Severe Combined Immunodeficiency 200-800 mg/kg IV every 3-4 weeks.
Immune thrombocytopenic purpura 1 g/kg IV daily for 2 consecutive days (total dose 2 g/kg).
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Loading dose: 2 g/kg IV in divided doses over 2-5 consecutive days; maintenance dose: 1 g/kg IV every 3 weeks.
Contraindications
—
- History of anaphylactic or severe systemic reaction to human immune globulin
- Hyperprolinemia (product contains L-proline stabilizer)
- IgA deficiency with antibodies to IgA and a history of hypersensitivity
Adverse Reactions
Most common (>=5%) Diarrhea, hypertension, nausea, dizziness, ALT increased, AST increased, respiratory infection, rash, abdominal pain, fatigue, chest pain, neutropenia
Serious Febrile neutropenia, diarrhea, pneumonia, hypertensive crisis
Most common (>5%) Headache, fatigue, nausea, chills, vomiting, back pain, elevated body temperature, diarrhea, cough, stomach discomfort, asthenia, hypertension, pain in extremity, hemolysis, anemia, leukopenia, rash
Serious Hypersensitivity, aseptic meningitis syndrome, hemolysis, renal dysfunction and acute renal failure, thrombosis, hyperproteinemia, hyponatremia, volume overload, transfusion-related acute lung injury
Postmarketing Decreased neutrophil count, hemoglobinuria, renal failure, photophobia, cerebral edema, pruritus, cardiac arrest, thromboembolism, Stevens-Johnson syndrome, ARDS, seizures, hepatic dysfunction
Pharmacology
Fostamatinib is a tyrosine kinase inhibitor with demonstrated activity against spleen tyrosine kinase (SYK); its major active metabolite R406 inhibits signal transduction of Fc-activating receptors and B-cell receptor, reducing antibody-mediated destruction of platelets.
PRIVIGEN is an intravenous immunoglobulin that supplies a broad spectrum of opsonizing and neutralizing IgG antibodies against a wide variety of bacterial and viral agents; the mechanism of action has not been fully elucidated but may include immunomodulatory effects.
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Most Common Insurance
Anthem BCBS
Tavalisse
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (9/12)
Privigen
- Covered on 5 commercial plans
- PA (9/12) · Step Therapy (9/12) · Qty limit (0/12)
UnitedHealthcare
Tavalisse
- Covered on 4 commercial plans
- PA (5/8) · Step Therapy (4/8) · Qty limit (5/8)
Privigen
- Covered on 4 commercial plans
- PA (1/8) · Step Therapy (1/8) · Qty limit (0/8)
Humana
Tavalisse
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (3/3)
Privigen
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (0/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
$15/fillfill
Tavalisse Copay AssistanceCommercial or private insurance
Medicare, Medicaid, VA, TRICARE
No savings programs available for Privigen.
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.