| Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Hizentra vs Gammaked
Side-by-side clinical, coverage, and cost comparison for polyradiculoneuropathy, chronic inflammatory demyelinating.Deep comparison between: Hizentra vs Gammaked 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 signalsGammaked has a higher rate of injection site reactions vs Hizentra based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Gammaked but not Hizentra, including UnitedHealthcare
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Category
Hizentra
Gammaked
At A Glance
SC injection
Daily to every 2 weeks
Immune globulin
IV infusion
Immune globulin
Indications
- Primary immune deficiency disorder
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Wiskott-Aldrich Syndrome
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Severe Combined Immunodeficiency
- Primary immune deficiency disorder
- Immune thrombocytopenic purpura
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Congenital agammaglobulinemia
- Common Variable Immunodeficiency
- X-linked agammaglobulinemia
- Wiskott-Aldrich Syndrome
- Severe Combined Immunodeficiency
Dosing
Primary immune deficiency disorder, Wiskott-Aldrich Syndrome, Common Variable Immunodeficiency, X-linked agammaglobulinemia, Severe Combined Immunodeficiency Individualized SC dose administered daily to every 2 weeks; when switching from IGIV, initial weekly dose = prior IGIV dose (g) divided by weeks between doses, multiplied by 1.37.
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating 0.2 g/kg (1 mL/kg) SC per week in 1-2 infusion sessions over 1-2 consecutive days; may increase to 0.4 g/kg per week if symptoms worsen on the lower dose.
Primary immune deficiency disorder IV: 300-600 mg/kg every 3-4 weeks; SC (PI only): individualized weekly dose calculated as previous IGIV dose (g) x 1.37 divided by number of weeks between IV doses.
Immune thrombocytopenic purpura IV only: total dose 2 g/kg given as 1 g/kg on two consecutive days or 0.4 g/kg on five consecutive days; do not administer subcutaneously.
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating IV only: loading dose 2 g/kg over two to four consecutive days; maintenance 1 g/kg every 3 weeks (or 0.5 g/kg on two consecutive days every 3 weeks).
Contraindications
- History of anaphylactic or severe systemic reaction to human immune globulin or inactive ingredients of HIZENTRA, including polysorbate 80
- Hyperprolinemia Type I or II (HIZENTRA contains L-proline as stabilizer)
- IgA-deficiency with antibodies against IgA and a history of hypersensitivity
- Previous anaphylactic or severe systemic reaction to human immune globulin
- IgA deficiency with antibodies against IgA and history of hypersensitivity reaction
Adverse Reactions
Most common (>=5%) Local infusion-site reactions (swelling, redness, heat, pain, hematoma, itching), headache, diarrhea, fatigue, back pain, nausea, pain in extremity, cough, upper respiratory tract infection, rash, pruritus, vomiting, abdominal pain, migraine, arthralgia, pain, fall, nasopharyngitis
Postmarketing Allergic-anaphylactic reactions (swollen face or tongue, pharyngeal edema, pyrexia, chills, dizziness, hypertension, malaise, tachycardia, flushing), chest discomfort, dyspnea, tremor, burning sensation, infusion site ulcer, infusion site necrosis
Most common (>=5%) PI (IV): cough, rhinitis, pharyngitis, headache, asthma, nausea, fever, diarrhea, sinusitis; PI (SC): local infusion site reactions, fatigue, headache, upper respiratory tract infection, arthralgia, diarrhea, nausea, sinusitis, bronchitis, depression, allergic dermatitis, erythema, migraine, myalgia, viral infection, pyrexia; ITP: headache, ecchymosis, vomiting, fever, nausea, rash, abdominal pain, back pain, dyspepsia; CIDP: headache, pyrexia, hypertension, chills, rash, nausea, arthralgia, asthenia
Serious Pulmonary embolism (CIDP), exacerbation of autoimmune pure red cell aplasia (PI), hemolytic anemia
Postmarketing Anaphylaxis, tachycardia, acute renal dysfunction/failure, ARDS, TRALI, pulmonary edema, cardiac arrest, thromboembolism, coma, seizures, aseptic meningitis, Stevens-Johnson syndrome, pancytopenia, hemolytic anemia, hepatic dysfunction
Pharmacology
Immune Globulin Subcutaneous (Human), 20% Liquid that supplies a broad spectrum of opsonizing and neutralizing IgG antibodies against a wide variety of bacterial and viral agents; mechanism of action has not been fully elucidated but may include immunomodulatory effects.
GAMMAKED is an immune globulin that supplies a broad spectrum of opsonic and neutralizing IgG antibodies against bacterial, viral, parasitic, and mycoplasmal agents and their toxins; the precise mechanism of action in ITP and CIDP has not been fully elucidated.
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Most Common Insurance
Anthem BCBS
Hizentra
- Covered on 5 commercial plans
- PA (9/12) · Step Therapy (5/12) · Qty limit (0/12)
Gammaked
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (0/12)
UnitedHealthcare
Hizentra
- Covered on 4 commercial plans
- PA (2/8) · Step Therapy (0/8) · Qty limit (1/8)
Gammaked
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Humana
Hizentra
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (0/3)
Gammaked
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (0/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
No savings programs available for Hizentra.
No savings programs available for Gammaked.
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.