Vaccinia Immune Globulin IV

Brand names: CNJ-016
Drug class: Antineoplastic Agents

Usage of Vaccinia Immune Globulin IV

Smallpox Vaccination Complications

Treatment and/or management of certain complications of smallpox vaccination, including eczema vaccinatum, progressive Vaccinia, severe generalized vaccinia, vaccinia infection in individuals with certain skin conditions (e.g., burns, impetigo, varicElla zoster virus infection, poison ivy, active or extensive eczematous skin lesions), and aberrant vaccinia infection caused by inadvertent autoinoculation to the eyes (except isolated vaccinia keratitis), mouth, or other areas where such infection would constitute a special hazard. Designated an orphan drug by FDA for this use.

Considered first-line treatment for serious complications of smallpox vaccination. Contraindicated in patients with isolated vaccinia keratitis; not recommended for treatment of postvaccinial encephalitis.

If VIGIV alone is inadequate or if VIGIV not readily available, may consider use of certain antivirals (e.g., cidofovir, Tecovirimat, Brincidofovir) for treatment of complications of smallpox vaccination after consultation with CDC.

Contact state or local health department or CDC Emergency Operations Center at 770-488-7100 for assistance with diagnosis and management of suspected complications of smallpox vaccination.

Monkeypox

Although efficacy data not available, CDC states that there are certain circumstances when VIGIV may be considered for treatment of severe monkeypox† [off-label]. In addition, CDC states that use of VIGIV may be considered for postexposure prophylaxis of monkeypox† [off-label] in exposed individuals who cannot receive postexposure vaccination with smallpox vaccine because of severe T-cell function immunodeficiency.

Monkeypox virus is an orthopoxvirus closely related to the causative agent of smallpox. Although no specific treatments are available for monkeypox infection, CDC states that monkeypox outbreaks can be controlled through use of smallpox vaccine, VIGIV, and certain antivirals (e.g., cidofovir, tecovirimat, brincidofovir).

If an outbreak of monkeypox occurs in the US, CDC will establish updated guidelines for use of smallpox vaccine, VIGIV, or antivirals for treatment and/or postexposure prophylaxis of exposed individuals.

Relate drugs

How to use Vaccinia Immune Globulin IV

General

  • Ensure that patient is adequately hydrated and assess renal function (e.g., BUN and Scr) prior to administration of VIGIV and at appropriate intervals thereafter.
  • Closely monitor for adverse effects and evaluate vital signs during and immediately following IV infusion of VIGIV.

    • Administration

    Administer only by IV infusion.

    IV Infusion

    Administer through a dedicated IV line. If preexisting catheter must be used, flush line with 0.9% sodium chloride injection before administering VIGIV.

    Prior to administration, allow vials of VIGIV to come to room temperature. Thaw frozen vials by placing in a refrigerator (2–8°C) until thawed (approximately 14 hours) or by placing at room temperature for 1 hour followed by water bath (37°C) until completely thawed. Do not thaw in a microwave.

    Should appear as a clear to opalescent liquid; do not use if cloudy, discolored, or contains particulates.

    May be administered undiluted or may be diluted to no more than 1:2 using 0.9% sodium chloride injection. Data not available regarding compatibility with other infusion solutions.

    Must start IV infusion within 4 hours after vial is entered. Discard partially used vials.

    Do not shake vials since shaking may cause foaming.

    Rate of Administration

    Administer by IV infusion at a rate of ≤2 mL/minute.

    Patients weighing <50 kg: Manufacturer recommends a maximum IV infusion rate of 0.04 mL/kg per minute (133.3 units/kg per minute).

    Patients with preexisting renal impairment or at increased risk of developing acute renal injury, thrombosis, or volume overload: Administer using minimum concentration and IV infusion rate practicable. Do not exceed recommended infusion rate and closely follow infusion schedule.

    If relatively minor adverse effects (e.g., flushing) occur, slow infusion rate. If more serious Reactions (e.g., anaphylaxis, hypotension) occur, discontinue infusion immediately and initiate appropriate therapy.

    DoSage

    Pediatric Patients

    Smallpox Vaccination Complications Adolescents ≥16 Years of Age IV

    6000 units/kg as a single dose. Give as soon as symptoms appear and severe vaccinia-related complication diagnosed.

    Depending on severity of symptoms and response to treatment, may consider giving second dose of 6000 units/kg; clinical data regarding repeat doses of VIGIV not available.

    If no response to initial dose, may consider a higher dose (e.g., 9000 units/kg).

    Adults

    Smallpox Vaccination Complications Adults ≤65 Years of Age IV

    6000 units/kg as a single dose. Give as soon as symptoms appear and severe vaccinia-related complication diagnosed.

    Depending on severity of symptoms and response to treatment, may consider giving second dose of 6000 units/kg; clinical data regarding repeat doses of VIGIV not available.

    If no response to initial dose, may consider a higher dose (e.g., 9000 units/kg). In clinical trials in healthy adults, doses up to 24,000 units/kg were well tolerated.

    Prescribing Limits

    Pediatric Patients

    IV

    Patients with risk factors for thrombosis: Maximum dosage 12,000 units/kg daily.

    Adults

    IV

    Patients with risk factors for thrombosis: Maximum dosage 12,000 units/kg daily.

    Special Populations

    Hepatic Impairment

    No specific dosage recommendations.

    Renal Impairment

    No specific dosage recommendations. Use with caution in patients with renal impairment and in those at increased risk of renal dysfunction. (See Renal Impairment under Cautions.)

    Warnings

    Contraindications

  • Isolated vaccinia keratitis.
  • History of anaphylaxis or severe systemic reaction to VIGIV or any other parenteral Immune globulin preparation.
  • IgA-deficient individuals with antibodies against IgA and history of IgA hypersensitivity. (See IgA Deficiency under Cautions.)

    • Warnings/Precautions

    Sensitivity Reactions

    Hypersensitivity Reactions

    Severe immediate hypersensitivity reactions to plasma-derived products may occur.

    Although acute systemic allergic reactions not reported in clinical trials of VIGIV, administer only in settings where appropriate equipment and personnel trained in the management of acute anaphylaxis are available.

    If hypotension or an allergic or anaphylactic reaction occurs, immediately discontinue the IV infusion of VIGIV and initiate appropriate supportive treatment as needed.

    IgA Deficiency

    Individuals with IgA deficiency may develop antibodies to IgA; anaphylaxis could occur following administration of plasma-derived products containing IgA.

    VIGIV contains trace amounts of IgA (≤40 mcg/mL).

    Renal Effects

    Renal dysfunction, acute renal failure, osmotic nephropathy, proximal tubular nephropathy, and death reported in patients receiving immune globulin IV (IGIV).

    Most reported cases of renal impairment following administration of IGIV occurred in patients receiving IGIV preparations containing sucrose in daily dosages ≥400 mg/kg. VIGIV does not contain sucrose.

    Use VIGIV with caution in patients with preexisting renal impairment and in patients at risk of developing renal impairment (e.g., those with diabetes mellitus, volume depletion, paraproteinemia, or sepsis and those who are >65 years of age or are receiving nephrotoxic drugs).

    Data not available to date to identify a maximum safe dose, concentration, and/or IV infusion rate for use of VIGIV in patients at risk of developing renal impairment. If VIGIV used in such patients, administer using minimum infusion rate practicable.

    Prior to administration, ensure that patients with preexisting renal impairment and patients at increased risk of developing renal impairment are not volume depleted.

    Assess renal function (BUN and Scr) prior to and at appropriate intervals after VIGIV. Periodically monitor renal function and urine output, especially in patients considered at increased risk of developing acute renal failure.

    If renal function deteriorates, consider discontinuing VIGIV.

    Interference with Laboratory Testing

    Contains maltose which may cause falsely elevated results in blood glucose determinations that use glucose dehydrogenase pyrroloquinolinequinone (GDH-PQQ) or glucose-dye-oxidoreductase methods. Falsely elevated glucose determinations could result in inappropriate administration of insulin and life-threatening hypoglycemia and there is a risk that true cases of hypoglycemia may go untreated. Use glucose-specific test methods (monitor and test strips) not affected by maltose. If uncertainty exists, contact glucose testing system manufacturer to determine if the system will provide accurate blood glucose determinations in patients receiving VIGIV.

    Contains antibodies that may interfere with some serologic tests. Patients receiving immune globulins such as VIGIV may have transitory increases in various passively acquired antibodies that could cause false-positive serologic test results (e.g., Coombs’ test). (See Hemolysis under Cautions.)

    Thrombosis

    Thrombotic events reported in patients receiving IGIV.

    Patients at risk of thrombotic events include those with a history of cardiovascular risk factors, advanced age, impaired cardiac output, hypercoagulable disorders, prolonged periods of immobilization, history of arterial or venous thrombosis, concomitant use of estrogen-containing preparations, indwelling central vascular catheters, and/or known or suspected hyperviscosity.

    Consider potential risks and benefits of VIGIV and weigh against those of alternative therapies.

    Because of potentially increased risk of thrombosis, consider baseline assessment of blood viscosity in patients at risk for hyperviscosity (e.g., those with cryoglobulins, Fasting chylomicronemia/markedly high triacyglycerols [triglycerides], monoclonal gammopathies).

    If benefits of VIGIV outweigh potential risks of thrombotic and thromboembolic events, administer VIGIV at minimum concentration available and minimum IV infusion rate practicable and monitor for signs and symptoms of thrombosis. In addition, ensure adequate hydration prior to administration of VIGIV.

    Prospective data not available to identify a maximum safe dose, concentration, and/or IV infusion rate if VIGIV used in patients with thrombosis/thromboembolism. Manufacturer states do not exceed VIGIV dosage of 12,000 units/kg daily in patients with thrombotic risk factors.

    Hemolysis

    VIGIV may contain blood group antibodies that can act as hemolysins and induce in vivo coating of RBCs with immune globulin, causing a positive direct antiglobulin reaction and hemolysis.

    Acute hemolysis, consistent with intravascular hemolysis, reported with IGIV; hemolytic anemia can develop subsequent to IGIV therapy due to enhanced erythrocyte sequestration.

    Risk factors possibly associated with development of hemolysis following administration of IGIV include high doses (given either as a single dose or in divided doses over several days) and non-O blood group. Although other individual patient factors also hypothesized to increase risk of hemolysis following administration of IGIV (e.g., underlying inflammatory state as may be reflected by, for example, elevated C-reactive protein or erythrocyte sedimentation rate), role of these factors uncertain.

    Monitor closely for clinical signs and symptoms of hemolysis, especially in those with risk factors for hemolysis. In patients considered at higher risk, consider appropriate laboratory testing, including measurement of hemoglobin or hematocrit prior to IV infusion of VIGIV and within approximately 36–96 hours after completion of the infusion. Perform additional cOnfirmatory laboratory testing if signs and/or symptoms of hemolysis or a substantial decrease in hemoglobin or hematocrit occurs after the VIGIV infusion.

    If a blood transfusion indicated for a patient who developed hemolysis with clinically compromising anemia after receiving VIGIV, perform adequate cross-matching to avoid exacerbating ongoing hemolysis.

    Aseptic Meningitis Syndrome

    Aseptic meningitis syndrome reported in patients receiving IGIV.

    Characterized by severe headache, nuchal rigidity, drowsiness, fever, photophobia, painful eye movements, nausea, and vomiting; usually evident within several hours to 2 days after administration of IGIV.

    CSF analysis frequently reveals pleocytosis (up to several thousand cells per mm3), predominantly from the granulocytic series, and protein concentrations up to several hundred mg/dL; CSF cultures are negative.

    In patients receiving IGIV, aseptic meningitis syndrome reported most frequently in those receiving high total doses (2 g/kg). In comparison, at recommended VIGIV dosage of 6000 units/kg, patient may be exposed to up to 0.18 g/kg of protein.

    Aseptic meningitis syndrome generally resolves within several days without sequelae following discontinuance of IGIV.

    If signs and symptoms of aseptic meningitis syndrome occur in patients treated with VIGIV, perform thorough neurologic examination (including CSF studies) to rule out other causes of meningitis.

    Transfusion-related Acute Lung Injury

    Transfusion-related acute lung injury (TRALI; noncardiogenic pulmonary edema) reported in patients receiving IGIV.

    Typically occurs within 1–6 hours after IGIV infusion and is characterized by severe respiratory distress, pulmonary edema, hypoxemia, normal left ventricular function, and fever.

    Monitor for adverse pulmonary reactions. If TRALI is suspected, perform appropriate tests to determine whether antiNeutrophil antibodies are present in the product or in patient serum.

    Manage using oxygen therapy with adequate ventilatory support.

    Risk of Transmissible Infectious Agents in Plasma-derived Preparations

    Because VIGIV is prepared from pooled human plasma, it is a potential vehicle for transmission of human viruses and theoretically may carry a risk of transmitting the causative agent of Creutzfeldt-Jakob disease (CJD).

    Although plasma donations used to prepare VIGIV are tested for certain viruses (e.g., HIV, HBV, HCV) and VIGIV undergoes certain procedures (i.e., solvent/detergent viral iNACtivation, virus filtration, anion-exchange column chromatography) that reduce viral infectious potential, a risk for transmission of infectious agents, including unrecognized blood-borne infectious agents, still remains despite these measures.

    Report any infection believed to have been transmitted by VIGIV to the manufacturer at 800-768-2304.

    Improper Storage and Handling

    Improper storage or handling of immune globulins may affect efficacy.

    Inspect all immune globulins upon delivery and monitor during storage to ensure that the appropriate temperature is maintained.

    Do not administer VIGIV that has been mishandled or has not been stored at the recommended temperature. (See Storage under Stability.)

    If there are concerns about mishandling, contact the manufacturer or state or local immunization or health departments for guidance on whether VIGIV is usable.

    Specific Populations

    Pregnancy

    Animal reproduction studies not performed. Data not available on use of VIGIV in pregnant women to inform drug-associated risk.

    ACIP states there are no known risks associated with use of immune globulins in pregnant women.

    CDC states VIGIV not indicated for prophylaxis in pregnant women unintentionally vaccinated with smallpox vaccine; however, do not withhold VIGIV if a pregnant woman develops a smallpox vaccination complication (e.g., eczema vaccinatum).

    Lactation

    Not known whether VIGIV is distributed into human milk, affects milk production, or affects the breast-fed infant.

    Pediatric Use

    Safety and efficacy not established in pediatric patients <16 years of age.

    Geriatric Use

    Safety and efficacy not established in geriatric adults >65 years of age.

    Renal Impairment

    Use with caution and administer at minimum IV infusion rate practicable in patients with preexisting renal impairment and in those at risk of developing renal impairment. This includes, but is not limited to, individuals with diabetes mellitus, volume depletion, paraproteinemia, or sepsis and those who are >65 years of age† [off-label] or are receiving nephrotoxic drugs.

    Common Adverse Effects

    Headache, nausea, rigors, dizziness.

    What other drugs will affect Vaccinia Immune Globulin IV

    Inactivated Vaccines and Toxoids

    Inactivated vaccines or toxoids may be administered simultaneously with (at different sites) or at any interval before or after immune globulin preparations, including VIGIV.

    Live Vaccines

    Antibodies contained in VIGIV may interfere with the immune responses to some live virus vaccines, including Measles, mumps, and rubella virus vaccine live (MMR) and varicella virus vaccine live. Do not administer live vaccines and immune globulin preparations, including VIGIV, simultaneously. Defer live virus vaccines until approximately 3 months after VIGIV; revaccination with live vaccines indicated if VIGIV administered shortly after the live vaccines.

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