Hear from an expert
Dr. Dalakas discusses options for treating CIDP.
GAMUNEX-C offers you insights and resources for the treatment of CIDP
GAMUNEX-C is indicated for the treatment of CIDP in adults to improve neuromuscular disability and impairment and for maintenance therapy to prevent relapse.
Dr. Dalakas discusses options for treating CIDP.
GAMUNEX-C is not indicated for subcutaneous administration in the treatment of CIDP.
GAMUNEX-C may be initially administered as a total loading dose of 2 g/kg (20 mL/kg) given in divided doses over 2 to 4 consecutive days. GAMUNEX-C may be administered as a maintenance infusion of 1 g/kg (10 mL/kg) administered over 1 day or divided into 2 doses of 0.5 g/kg (5 mL/kg) given on 2 consecutive days, every 3 weeks.
Clinical Results Publications
The ICE study as published in Lancet Neurology: a randomized placebo-controlled trial for patients with CIDP.
A study on timing and course of clinical response to intravenous immunoglobulin in CIDP.
A study on the health-related quality-of-life improvements in CIDP with immune globulin IV 10%.
Unique Fractionation and Purification Process Publications
A study on the properties of IGIV-C, 10% produced by virus inactivation with caprylate and column chromatography.
A study that outlines the product characteristics of GAMUNEX-C and a 20% SCIG. Both products are made using the caprylate/chromatography fractionation and purification process.
Download, save, or print a variety of fact sheets for quick reference.
The following links can help your patients find more information about their condition and treatment.
Connecting you and your patients to medical groups and resources on immune diseases.
The AANEM is a nonprofit membership association dedicated to the advancement of neuromuscular (NM), musculoskeletal, and electrodiagnostic (EDX) medicine.
The AAN is a professional organization representing more than 38,000 members and dedicated to promoting the highest quality patient-centered care and enhancing member career satisfaction.
The PNS is an international nonprofit organization of scientists, physicians, and other healthcare providers working together to investigate and treat diseases of the peripheral nervous system.
The WMS is a dynamic community that aims to promote, disseminate, and share all aspects of neuromuscular physiology and diseases, from basic science to patient care.
ICNMD congresses offer attendees an updated view on neuromuscular disorders and networking opportunities that increase their international experience and collaborations.
GBS-CIDP Foundation International provides support and assistance to CIDP patients and their families.
The Foundation for Peripheral Neuropathy is the leading national nonprofit organization serving the peripheral neuropathy community.
NORD is a patient advocacy organization dedicated to individuals with rare diseases and the organizations that serve them.
Important Safety Information
GAMUNEX®-C (immune globulin injection [human], 10% caprylate/chromatography purified) is indicated for the treatment of primary humoral immunodeficiency disease (PIDD) in patients 2 years of age and older, idiopathic thrombocytopenic purpura (ITP) in adults and children, and chronic inflammatory demyelinating polyneuropathy (CIDP) in adults.
Thrombosis may occur with immune globulin products, including GAMUNEX-C. Risk factors may include: advanced age, prolonged immobilization, hypercoagulable conditions, history of venous or arterial thrombosis, use of estrogens, indwelling central vascular catheters, hyperviscosity, and cardiovascular risk factors. Thrombosis may occur in the absence of known risk factors. For patients at risk of thrombosis, administer GAMUNEX-C at the minimum dose and infusion rate practicable. Ensure adequate hydration in patients before administration. Monitor for signs and symptoms of thrombosis and assess blood viscosity in patients at risk for hyperviscosity.
Renal dysfunction, acute renal failure, osmotic nephrosis, and death may occur with immune globulin intravenous (IVIG) products in predisposed patients. Patients predisposed to renal dysfunction include those with any degree of preexisting renal insufficiency, diabetes mellitus, age greater than 65, volume depletion, sepsis, paraproteinemia, or patients receiving known nephrotoxic drugs. Renal dysfunction and acute renal failure occur more commonly in patients receiving IVIG products containing sucrose. GAMUNEX-C does not contain sucrose. For patients at risk of renal dysfunction or failure, administer GAMUNEX-C at the minimum concentration available and the minimum infusion rate practicable.
GAMUNEX-C is contraindicated in patients who have had an anaphylactic or severe systemic reaction to the administration of human immune globulin. It is contraindicated in IgA-deficient patients with antibodies against IgA and history of hypersensitivity.
Severe hypersensitivity reactions may occur with IVIG products, including GAMUNEX-C. In case of hypersensitivity, discontinue GAMUNEX-C infusion immediately and institute appropriate treatment.
Monitor renal function, including blood urea nitrogen (BUN), serum creatinine, and urine output in patients at risk of developing acute renal failure.
Hyperproteinemia, increased serum viscosity, and hyponatremia may occur in patients receiving IVIG treatment, including GAMUNEX-C.
There have been reports of aseptic meningitis, hemolytic anemia, and noncardiogenic pulmonary edema (transfusion-related acute lung injury [TRALI]) in patients administered with IVIG, including GAMUNEX-C.
The high-dose regimen (1g/kg x 1-2 days) is not recommended for individuals with expanded fluid volumes or where fluid volume may be a concern.
Because GAMUNEX-C is made from human blood, it may carry a risk of transmitting infectious agents, eg, viruses, the variant Creutzfeldt-Jakob disease (vCJD) agent, and, theoretically, the Creutzfeldt-Jakob disease (CJD) agent.
Do not administer GAMUNEX-C subcutaneously in patients with ITP because of the risk of hematoma formation.
Periodic monitoring of renal function and urine output is particularly important in patients judged to be at increased risk of developing acute renal failure. Assess renal function, including measurement of BUN and serum creatinine, before the initial infusion of GAMUNEX-C and at appropriate intervals thereafter.
Consider baseline assessment of blood viscosity in patients at risk for hyperviscosity, including those with cryoglobulins, fasting chylomicronemia/markedly high triacylglycerols (triglycerides), or monoclonal gammopathies, because of the potentially increased risk of thrombosis.
If signs and/or symptoms of hemolysis are present after an infusion of GAMUNEX-C, perform appropriate laboratory testing for confirmation.
If TRALI is suspected, perform appropriate tests for the presence of antineutrophil antibodies and anti-HLA antibodies in both the product and patient's serum.
After infusion of IgG, the transitory rise of the various passively transferred antibodies in the patient's blood may yield positive serological testing results, with the potential for misleading interpretation.
In clinical studies, the most common adverse reactions with GAMUNEX-C were headache, pyrexia, hypertension, chills, rash, nausea, arthralgia, and asthenia (in CIDP); cough, rhinitis, pharyngitis, headache, asthma, nausea, fever, diarrhea, and sinusitis with intravenous use (in PIDD) and local infusion-site reactions, fatigue, headache, upper respiratory tract infection, arthralgia, diarrhea, nausea, sinusitis, bronchitis, depression, allergic dermatitis, migraine, myalgia, viral infection, and pyrexia with subcutaneous use (in PIDD); and headache, ecchymosis, vomiting, fever, nausea, rash, abdominal pain, back pain, and dyspepsia (in ITP).
The most serious adverse reactions in clinical studies were pulmonary embolism (PE) in 1 subject with a history of PE (in CIDP), an exacerbation of autoimmune pure red cell aplasia in 1 subject (in PIDD), and myocarditis in 1 subject that occurred 50 days post-study drug infusion and was not considered drug related (in ITP).
Please see accompanying full Prescribing Information for GAMUNEX-C.
Terms to know
IG, immune globulin; CIDP, chronic inflammatory demyelinating polyneuropathy; PIDD, primary immunodeficiency disease; ITP, idiopathic thrombocytopenic purpura; Sub Q, subcutaneous; IV, intravenous; ICE, 10% caprylate-chromatography purified immune globulin intravenous (IGIV-C) CIDP efficacy.