| Immune thrombocytopenic purpura
Privigen vs Tavalisse
Side-by-side clinical, coverage, and cost comparison for immune thrombocytopenic purpura.Deep comparison between: Privigen vs Tavalisse 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 signalsTavalisse has a higher rate of injection site reactions vs Privigen based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Tavalisse but not Privigen, including UnitedHealthcare
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Category
Privigen
Tavalisse
At A Glance
IV infusion
Every 3-4 weeks
Intravenous immunoglobulin (IVIG)
Oral
Twice daily
SYK inhibitor
Indications
- Congenital agammaglobulinemia
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Wiskott-Aldrich Syndrome
- Severe Combined Immunodeficiency
- Immune thrombocytopenic purpura
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Immune thrombocytopenic purpura
Dosing
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.
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.
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
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Adverse Reactions
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
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
Pharmacology
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.
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.
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Most Common Insurance
Anthem BCBS
Privigen
- Covered on 5 commercial plans
- PA (9/12) · Step Therapy (9/12) · Qty limit (0/12)
Tavalisse
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (9/12)
UnitedHealthcare
Privigen
- Covered on 4 commercial plans
- PA (1/8) · Step Therapy (1/8) · Qty limit (0/8)
Tavalisse
- Covered on 4 commercial plans
- PA (5/8) · Step Therapy (4/8) · Qty limit (5/8)
Humana
Privigen
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (0/3)
Tavalisse
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (3/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
No savings programs available for Privigen.
$15/fillfill
Tavalisse Copay AssistanceCommercial or private insurance
Medicare, Medicaid, VA, TRICARE
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.