| Congenital agammaglobulinemia
Gammaplex vs HyQvia
Side-by-side clinical, coverage, and cost comparison for congenital agammaglobulinemia.Deep comparison between: Gammaplex vs Hyqvia 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 signalsHyqvia has a higher rate of injection site reactions vs Gammaplex based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Hyqvia but not Gammaplex, including UnitedHealthcare
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Category
Gammaplex
Hyqvia
At A Glance
IV infusion
Every 3-4 weeks
Immune globulin (IgG replacement)
SC injection
Every 3-4 weeks
Immune globulin (IgG replacement)
Indications
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Congenital agammaglobulinemia
- Wiskott-Aldrich Syndrome
- Severe Combined Immunodeficiency
- Immune thrombocytopenic purpura
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Congenital agammaglobulinemia
- Wiskott-Aldrich Syndrome
- Severe Combined Immunodeficiency
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Dosing
Common Variable Immunodeficiency, X-linked agammaglobulinemia, Congenital agammaglobulinemia, Wiskott-Aldrich Syndrome, Severe Combined Immunodeficiency 300-800 mg/kg (3-8 mL/kg) IV every 3-4 weeks; initial infusion rate 0.5 mg/kg/min for 15 minutes, then increase gradually every 15 minutes to 8 mg/kg/min.
Immune thrombocytopenic purpura 1 g/kg (10 mL/kg) IV on 2 consecutive days (total dose 2 g/kg); initial infusion rate 0.5 mg/kg/min for 15 minutes, then increase gradually every 15 minutes to 8 mg/kg/min.
Common Variable Immunodeficiency, X-linked agammaglobulinemia, Congenital agammaglobulinemia, Wiskott-Aldrich Syndrome, Severe Combined Immunodeficiency 300 to 600 mg/kg SC every 3 to 4 weeks after initial ramp-up from 1-week to full dose; rHuPH20 at 80 U/g IgG infused immediately before each IgG dose at each infusion site.
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Same dose and frequency as prior IGIV treatment SC, typical dosing interval 4 weeks; rHuPH20 at 80 U/g IgG infused immediately before each IgG dose; ramp-up recommended based on tolerability.
Contraindications
- Previous anaphylactic or severe systemic reaction to human immune globulin
- IgA deficiency with antibodies to IgA and a history of hypersensitivity
- History of anaphylactic or severe systemic reactions to IgG administration
- IgA deficiency with antibodies to IgA and a history of hypersensitivity
- Known systemic hypersensitivity to hyaluronidase including rHuPH20
- Known systemic hypersensitivity to human albumin (in the hyaluronidase solution)
Adverse Reactions
Most common (>=5%) in PI Headache, migraine, pyrexia
Most common (>=5%) in ITP Headache, vomiting, pyrexia, nausea, arthralgia, dehydration
Serious Thrombotic events, hemolysis; in ITP subjects: headache, vomiting, dehydration
Postmarketing Tachycardia, thromboembolism, hypertension, flushing, nausea, chills, chest discomfort, pyrexia, back pain, polymyositis, headache, dyspnea, rash, urticaria
Most common (>5%) Local infusion site reactions (discomfort/pain, erythema, swelling/edema, pruritus), headache, fatigue, nausea, pyrexia, vomiting
Postmarketing Hypersensitivity, influenza-like illness, infusion site leaking, anaphylactic reaction, tremor, tachycardia, hypotension, infusion related reaction, dyspnea, paresthesia oral, dermatitis allergic, injection site rash, alanine aminotransferase increased
Pharmacology
Polyclonal human IgG that provides replacement therapy for primary humoral immunodeficiency via a broad spectrum of opsonic and neutralizing IgG antibodies against pathogens and their toxins through antigen binding and effector functions; the mechanism of action in both PI and ITP has not been fully elucidated.
Immune globulin (IgG) replacement product in which the Immune Globulin Infusion (Human), 10% supplies broad-spectrum opsonizing and neutralizing IgG antibodies against bacterial and viral agents, while rHuPH20 transiently depolymerizes subcutaneous hyaluronan to increase tissue permeability, facilitating dispersion and absorption of the full IgG dose administered subcutaneously.
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Most Common Insurance
Anthem BCBS
Gammaplex
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (0/12)
Hyqvia
- Covered on 5 commercial plans
- PA (9/12) · Step Therapy (5/12) · Qty limit (0/12)
UnitedHealthcare
Gammaplex
- Covered on 4 commercial plans
- PA (1/8) · Step Therapy (1/8) · Qty limit (0/8)
Hyqvia
- Covered on 4 commercial plans
- PA (1/8) · Step Therapy (0/8) · Qty limit (0/8)
Humana
Gammaplex
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (0/3)
Hyqvia
- Covered on 0 commercial plans
- PA (1/3) · Step Therapy (1/3) · Qty limit (0/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
No savings programs available for Gammaplex.
Cost estimate not availableAccessia Health: Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) - Private Insurance
Commercial or private insurance
Medicare, Medicaid, VA, TRICARE
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.