Medication Policy Manual Policy No: dru020 Topic: Immune Globulin Replacement Therapy, (IVIG, SCIG): Carimune® NF Bivigam® ® Flebogamma DIF Gammagard® ® Gammagard S/D Gammaplex® ® Gamunex-C Hizentra™ Hyqvia® Octagam® Privigen® Date of Origin: January 1996 Committee Approval Date: April 13, 2015 Next Review Date: April 2016 Effective Date: May 1, 2015 IMPORTANT REMINDER This Medical Policy has been developed through consideration of medical necessity, generally accepted standards of medical practice, and review of medical literature and government approval status. Benefit determinations should be based in all cases on the applicable contract language. To the extent there are any conflicts between these guidelines and the contract language, the contract language will control. The purpose of medical policy is to provide a guide to coverage. Medical Policy is not intended to dictate to providers how to practice medicine. Providers are expected to exercise their medical judgment in providing the most appropriate care. Description Intravenous immune globulin (IVIG) and subcutaneous immune globulin (SCIG; Hizentra® or Hyqvia®) are preparations containing antibodies purified from human blood. They are used in the treatment of many different conditions resulting from immune deficiencies or other immunologic conditions. © 2015 OmedaRx. All rights reserved. dru020.22 Page 1 of 27 Policy/Criteria I. Most contracts require prior authorization approval of immune globulins prior to coverage. Immune globulins may be considered medically necessary when criteria A AND B below are met. A. Alternative Site of Care - for Washington, Oregon, and Idaho commercial, fully insured members only (does not apply to Medicare) Immune globulin replacement therapy is administered in a non-hospital outpatient setting (also referred to as an “alternative site of care”; such as a provider’s office, an infusion center, or home infusion), unless both of the following criteria 1 and 2 below are met: 1. All non-hospital outpatient settings are greater than 10 miles further from the member’s home than the hospital outpatient setting. AND 2. The member’s home is not eligible for home infusion services (such as home is not within the service area or is deemed unsuitable for care by the home infusion provider). NOTE: Alternative Site of Care criteria will be waived for payment of the first dose, to allow for adequate transition time to arrange for a non-hospital outpatient setting for the infusion. AND B. At least one of the following diagnostic criteria 1. through 5. below is met: 1. Immunodeficiency (primary or acquired), as defined in criteria a. or b.: a. A diagnosis of one of the following and documented hypogammaglobulinemia (a low baseline serum IgG level): i. Primary humoral immunodeficiency diseases (PID) (as defined in Appendix I). ii. HIV infected children (< 13 years of age) with hypogammaglobulinemia. iii. Hematologic malignancy-related hypogammaglobulinemia: A. Post-allogeneic bone marrow transplant (BMT) B. B-cell medicated cancer [e.g., chronic lymphocytic leukemia (CLL), B-cell lymphoma] iv. Hypogammaglobulinemic neonates, with a low birth weight (less than 1500g) or in a setting with high baseline infection rate or morbidity. OR b. A diagnosis of dysgammaglobulinemia, primary or due to multiple myeloma in patients with stable disease, and high risk of recurrent infections despite prophylactic antibiotic therapy, patients with poor IgG response to the pneumococcal vaccine, or have low normal IgG levels during acute sepsis episodes. © 2015 OmedaRx. All rights reserved. dru020.22 Page 2 of 27 OR 2. Hematologic disorders (immune-mediated), not responding to alternative therapies, or at high risk of bleeding: a. Acquired Factor VIII inhibitor, when conventional therapy is ineffective or not tolerated. (e.g., immunosuppressive therapy with cyclophosphamide, steroids, or azathioprine). OR b. OR c. OR d. OR e. OR f. Autoimmune hemolytic anemia (AIHA) not responding to alternative therapies (e.g., steroids, immunosuppressive agents, plasmapheresis, rituximab and/or splenectomy). Fetal (neonatal) alloimmune thrombocytopenia (FAIT) with documented diagnosis. Idiopathic thrombocytopenia purpura, also known as “immune thrombocytopenia,” (acute; ITP), when a rapid increase in platelet count is necessary, such as in an acute bleeding episode or prior an invasive procedure (including surgery, epidural anesthesia, or Cesarean section). ITP (chronic), when the platelet count is dangerously low, defined as a platelet count less than 30,000 cells/mm3 in children, less than 20,000 cells/mm3 in adults, or less than 30,000 cells/mm3 along with signs/symptoms of bleeding in adults. ITP in pregnancy, when at least one of the following criteria are met: i. Platelet counts less than 10,000/mm3 in the third trimester, despite an adequate course of corticosteroids, unless use of steroids are contraindicated, or not tolerated. OR ii. Platelet counts less than 30,000/mm3 associated with bleeding before vaginal delivery or C-section. (For IVIG use in preparation for C-section or epidural anesthesia, see criteria 2d. above) OR g. OR h. Post-transfusion purpura (hemolytic transfusion reaction) in severely affected patients. Pure red cell aplasia (PRCA, viral) with documented parvovirus B19 infection and severe anemia. OR 3. Neuromuscular disorders, when significant functional impairment is present: © 2015 OmedaRx. All rights reserved. dru020.22 Page 3 of 27 a. Acute inflammatory demyelinating polyneuropathy, including Guillain-Barré syndrome (GBS), when one of criteria i. through iv. below are met: i. Deteriorating pulmonary function tests. OR ii. OR iii. OR iv. Rapid deterioration with symptoms for less than 2 weeks. Rapidly deteriorating ability to ambulate. Inability to walk independently for 10 meters. OR b. Chronic inflammatory demyelinating polyneuropathy (CIDP) when all of criteria i., ii., and iii. below are met: i. Significant functional disability. AND ii. Documentation of slowing of nerve conduction velocity on electromyogram (EMG)/ nerve conduction study (NCS). AND iii. Documentation of elevated spinal fluid protein on lumbar puncture OR a nerve biopsy confirming the diagnosis. OR Dermatomyositis (adult), with documented EMG abnormalities and/or increased CPK levels, with associated severe disability when steroid therapy is ineffective or not tolerated. c. OR d. Dermatomyositis (juvenile, JDM), with muscle weakness and associated severe disability, with at least ONE of the following documented diagnostic criteria below: i. Evidence of myositis, demonstrated by abnormality of muscle biopsy, MRI, OR EMG. OR ii. OR e. Increased muscle enzymes levels (such as CPK, AST, LDH, and/or aldolase) OR iii. Cutaneous changes, including heliotrope dermatitis (rash on the upper eyelids) and Gottron's papules (papules over the knuckles), not responding to oral corticosteroids, methotrexate, and/or another oral immunosuppressant. Lambert-Eaton myasthenic syndrome (LEMS) when other treatment options are ineffective or not tolerated. (e.g., pyridostigmine bromide, azathioprine, and/or prednisone). OR © 2015 OmedaRx. All rights reserved. dru020.22 Page 4 of 27 f. OR g. Multifocal motor neuropathy (MMN) in patients with conduction block. Myasthenia gravis for the treatment of acute crisis (e.g., respiratory failure, swallowing difficulties) OR chronic decompensation, when other treatments are ineffective or not tolerated (e.g., plasmapheresis, pyridostigmine, azathioprine, cyclosporine, and cyclophosphamide). OR h. Paraneoplastic opsoclonus ataxia syndrome (Opsoclonusmyoclonus ataxia syndrome, OMS) in pediatric neuroblastoma patients with significant functional impairment and not responding to an adequate course of steroids (at least 3 to 7 days). OR i. Pemphigoid, refractory immunobullous disease (e.g., bullous pemphigoid, pemphigus foliaceus, pemphigus vulgaris) until conventional treatment takes effect (e.g., immunosuppressive agents and plasmapheresis). OR j. Polymyositis in patients with severe active illness when other treatments have been ineffective or not tolerated (e.g., corticosteroids, azathioprine, methotrexate, or cyclophosphamide). OR k. Stiff-Person Syndrome when treatment with other agents is ineffective or not tolerated. (e.g., diazepam, baclofen, clonazepam, valproic acid, and clonidine). OR l. Systemic lupus erythematosus, for severe active disease when other interventions are ineffective or not tolerated (e.g., corticosteroids and immunosuppressive agents, such as cyclophosphamide or azathioprine). OR 4. Transplant (solid organ), antibody-mediated rejection: a. Prevention of antibody (Ab)-mediated rejection: Prior to solid organ transplant and in the peri-operative period, for patients at high risk for Ab-mediated rejection, including highly sensitized patients, and those receiving an ABO-incompatible organ. OR b. © 2015 OmedaRx. All rights reserved. dru020.22 Treatment of antibody-mediated rejection (a.k.a. vascular rejection, humoral rejection): following solid organ transplant and confirmed by either biopsy or presence of panel reactive antibodies (PRAs). Page 5 of 27 OR 5. Other Miscellaneous conditions, when criteria are met: a. Kawasaki syndrome, during the first ten days of diagnosis. OR b. II. Pediatric intractable epilepsy in candidates for surgical resection or when other interventions are ineffective or not tolerated. Examples of other interventions include, but are not limited to, anticonvulsant medications, ketogenic diets, and steroids. [85] Administration, Quantity Limitations, and Authorization Period A. OmedaRx does not consider immune globulins to be self-administered medications. B. When prior authorization is approved, immune globulins may be authorized in quantities as follows: 1. Initial Authorization: Immune globulins may be authorized for the period defined in Table 1, based on diagnosis, in a non-hospital outpatient setting, unless waived per criteria I.A. above. NOTE: Alternative Site of Care criteria will be waived for payment of the first dose, to allow for adequate transition time to arrange for a nonhospital outpatient setting for the infusion. 2. C. Continued Authorization: If the diagnosis is eligible for re-authorization (as listed in Table 1), the maximum number of infusions that may be authorized per year are based on the diagnosis being treated. Authorization shall be reviewed as follows to confirm that current medical necessity criteria are met and that the medication is effective. 1. Initial authorization shall be reviewed at the end of the initial authorization period (as defined in Table 1). 2. Continued authorization (after the initial period) shall be reviewed at least annually, and clinical documentation indicating that there is disease stability or improvement must be provided (such as decrease in infections or improvement of functional impairment from baseline). In addition, for patients with immunodeficiency (on replacement therapy) documentation of a current low/normal IgG trough level must be provided at least annually, except for those patients with dysgammaglobulinemia (such as those with multiple myeloma). © 2015 OmedaRx. All rights reserved. dru020.22 Page 6 of 27 Table 1. Initial Authorization Frequency/Duration Indication Reauthorization Criteria/Duration May be given no more frequently than: Replacement Therapy - Immunodeficiency [with documented hypogammaglobulinemia (low IgG levels) or poor immune response (dysgammaglobulinemia)] Primary humoral immunodeficiency disease (PID) One dose per month x 12 months Hematologic malignancy-related hypogammaglobulinemia (e.g., CLL, post-BMT) One dose per month x 12 months HIV+ children with hypogammaglobulinemia One dose per month x 12 months Hypogammaglobulinemic neonates One dose per month x 6 months Documented current evidence of clinical improvement, such as decreased occurrence of infections; x 12 months. Hematologic disorders (immune-mediated) Acquired Factor VIII Inhibitor One dose per month x 6 months Documented initial response and continued presence of Factor VIII inhibitor; x 12 months Autoimmune hemolytic anemia, (AIHA) One dose per month x 6 months Documented initial response and recurrence of clinically significant, symptomatic anemia; x 12 months Fetal (neonatal) alloimmune thrombocytopenia (FAIT) One dose per week until the estimated date of delivery. No reauthorization ITP (acute) Up to four doses (authorization is for up to a 6 month window). May re-authorize under Chronic ITP; however, use of IVIG chronically is generally discouraged, given the short duration of action. On a chronic basis, IVIG may be indicated for ACUTE, intermittent use in patients with episodes of acutely low platelets. ITP (chronic) One dose per month x 6 months. IVIG treatment only covered until conventional therapy takes effect. Authorization x 6 months. Documented initial response to IVIG and: -Continued thrombocytopenia, defined as a platelet count of < 20,000 OR less than 30,000 cells/m3 and clinically significant bleeding. OR -Patient is scheduled for an invasive procedure with high risk of bleeding. © 2015 OmedaRx. All rights reserved. dru020.22 Page 7 of 27 Frequency/Duration Indication Reauthorization Criteria/Duration May be given no more frequently than: ITP in pregnancy One dose per month until the estimated date of delivery. May re-authorize under Chronic ITP Post-transfusion purpura (hemolytic transfusion reaction) Up to two doses in 2 weeks (authorization is for up to a 2 week window) No reauthorization Pure red cell aplasia (PRCA), viral One dose per month x 6 months Documentation of initial response, parvovirus, and recurrence of significant anemia; x 12 months Acute inflammatory demyelinating polyneuropathy (including GBS) One dose per month x 3 months May re-authorize under Chronic IDP Chronic inflammatory demyelinating polyneuropathy (CIDP) Dermatomyositis, refractory One dose per month x 6 months Documented functional improvement; x 12 months One dose per month x 3 months. Documented improvement in muscle strength and/or decreased CPK levels; x 6 months Lambert-Eaton myasthenic syndrome One dose per month x 6 months Multifocal motor neuropathy (MMN) One dose per month x 6 months. Myasthenia gravis (acute and chronic) One dose per month x 6 months. Paraneoplastic opsoclonus ataxia syndrome One dose (authorization is for up to a 2 week window) Documented functional improvement; x 6 months. Polymyositis One dose per month x 3 months. Documented improvement in muscle strength and/or decreased CPK levels; x 6 months Pemphigoid, refractory No reauthorization Stiff-Person syndrome One dose per month x 6 months, until conventional therapy takes effect. One dose per month x 3 months. Systematic lupus erythematosus One dose per month x 6 months. Documented improvement in muscle strength and/or decreased CPK levels; x 6 months Neuroimmunologic disorders © 2015 OmedaRx. All rights reserved. dru020.22 Documented improvement in muscle function/strength; x 12 months Documented functional improvement; x 6 months Page 8 of 27 Frequency/Duration Indication Reauthorization Criteria/Duration May be given no more frequently than: Transplant (solid organ) Prevention of acute rejection (preand peri-operative) Up to 4 doses pre-transplant, then 1 dose weekly for 4 weeks posttransplant. (not to exceed 8 doses total; authorization is for up to a 3 month window) Further authorization may be considered under “Treatment of Abmediated rejection” Treatment of antibody (Ab)-mediated (humoral) rejection One dose, once per rejection episode (authorization is for up to a 2 week window) Documented improvement from previous course and confirmation of another episode of rejection; one dose per rejection episode may be authorized. Kawasaki syndrome Up to two doses given within 10 days of symptom onset (authorization is up to a 2 week window) No reauthorization Pediatric intractable epilepsy One dose per month x 6 months. Documented of significantly reduced frequency and/or duration of seizures; x 6 months Other Miscellaneous disorders © 2015 OmedaRx. All rights reserved. dru020.22 Page 9 of 27 III. Subcutaneous administration of immune globulin (SCIG) is considered an alternative to intravenous administration of immune globulin and may be considered medically necessary when one of the criteria in Section I is met. IV. For Washington, Oregon, and Idaho commercial, fully insured members only (does not apply to Medicare) Immune globulin replacement therapy is considered not medically necessary when administered in a hospital outpatient setting when an alternative site of care (nonhospital outpatient setting) is a treatment option (see Section I: Alternative Site of Care). V. IVIG/SCIG is considered investigational when used for all other conditions, including, but not limited to: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. Acute disseminated encephalomyelitis (ADEM) Acute lymphocytic leukemia Acute renal failure Adrenoleukodystrophy Adult HIV infection Alzheimer's disease Aplastic anemia Asthma Atopic dermatitis Autism Behçet's syndrome (Behçet’s disease) Cardiomyopathy, recent-onset dilated Chronic fatigue syndrome Clostridium difficile, recurrent Cystic fibrosis Diabetes Diamond-Blackfan anemia Endotoxemia Heart block, congenital Hemolytic anemia (other than autoimmune) Hemophagocytic syndrome Human T-lymphocyte virus-1 myelopathy Hyper IgE syndrome Immune mediated neutropenia Inclusion body myositis Infectious disease in high risk neonates and adults following surgery or trauma Lumbosacral plexopathy Multiple sclerosis Narcolepsy/cataplexy Neonatal hemochromatosis © 2015 OmedaRx. All rights reserved. dru020.22 Page 10 of 27 31. 32. Neonatal hemolytic disease Nephropathy, membranous 33. Nephrotic syndrome 34. Ophthalmopathy, euthyroid 35. Paraproteinemic neuropathy 36. Post-polio syndrome 37. Recurrent spontaneous abortion 38. Rheumatoid arthritis 39. Systemic Sclerosis, diffuse cutaneous (dcSS) 40. Stevens-Johnson Syndrome 41. Still's Disease (Systemic Juvenile Immune Arthritis, SJIA) 42. Surgery or trauma 43. Thrombocytopenia, nonimmune 45. Thrombotic Thrombocytopenic Purpura, including Hemolytic Uremic Syndrome (TTP/HUS), neonatal autoimmune and transfusion refractory. Tic disorder (Based on DSM Criteria)\ 46. Toxic epidermal necrolysis (TEN) 47. Urticaria, delayed pressure 48. Uveitis 44. 49. 50. Vasculitic syndromes, other systemic (not specified above), such as antineutrophil cytoplasmic antibody- (ANCA) associated vasculitis [microscopic polyangiitis (MPA)], and eosinophilic granulomatosis with polyangiitis (EGPA) [Churg-Strauss Syndrome (CSS)]. Von Willebrand’s syndromeWegener's (granulomatosis with polyangiitis, an ANCA-associated vasculitis) Position Statement Summary Intravenous immune globulin (IVIG) - - All IVIG preparations are generally considered therapeutically interchangeable. [32-34] Minor immunoglobulin A (IgA) and immunoglobulin G (IgG) subclass differences exist. [32-34] IVIG preparations with low IgA content are used to minimize reactions in patients with hypogammaglobulinemia and concurrent IgA deficiency or when anti-IgA antibodies are present in a recipient. [32-34] Differences in formulation may guide product selection (e.g., pre-mixed liquid vs. lyophilized powder, 5% vs. 10%, low sucrose, low osmolarity). Subcutaneous immune globulin (SCIG) - Hizentra® is an immune globulin product for subcutaneous use, approved for patients with primary immune deficiency (PID). [81] It is available as a 20 % solution for weekly subcutaneous infusion. © 2015 OmedaRx. All rights reserved. dru020.22 Page 11 of 27 - - - - - Hyqvia® is also an immune globulin product for subcutaneous use, approved for patients with PID, and is available as a 10 % solution for every three to four week subcutaneous infusion. [105]Gammaked®, Gamunex-C®, and Gammagard liquid® are approved for both intravenous and subcutaneous use for treatment of PID. [89-91] All three are available as a 10 % solution. SCIG has a lower bioavailability than IVIG, so must be given in higher doses to achieve the same serum IgG concentrations. However, subcutaneous delivery may result in higher steady-state IgG levels due to less variation in IgG levels. Multiple injection sites (three to four) are necessary for weekly infusion (Hizentra, Gammaked, Gamunex-C, Gammagard) for an average patient because of the volume that must be infused, whereas Hyqvia may be infused monthly. Hyqvia 10% is formulated with hyaluronidase, to allow for larger volume infusion at a single injection site. Up to 600 mL (60 grams) may be given per injection site (for patients > 40 kg) at an infusion rate up to 300 mL/hour. The recommended maximum dose per injection site for Hizentra 20% is 25 mL (5 grams), given over a maximum of 25 mL/hour. None of these products have been approved for SC administration for any other indications, other than PID. Because other diagnoses usually require larger doses (based on grams per kilogram) with a high volume per dose, subcutaneous administration is generally not feasible. Injection site swelling, redness, and itching were reported in the majority of patients. Dosing Considerations and Therapeutic Levels for Replacement Therapy for Treatment of Immunodeficiency with Hypogammaglobulinemia - A plasma IgG level of 200 mg/dL is often a common minimum target for patients being considered for IVIG replacement therapy. [4] In patients with mild to moderate IgG deficiency with levels of 300 mg/dL-400mg/dL, the decisions to treat are based on clinical symptoms and antigenic challenge. [31] Dosing adjustment in replacement therapy is based on clinical response and IgG levels. [4] * The trough or steady state IgG level is obtained before scheduled infusions and frequently guides IVIG dose selection. * The minimum serum concentration of IgG necessary for protection has not been firmly established. However, maintenance of serum trough IgG levels above 500 mg/dL has been considered a sufficient target to prevent most systemic infections. [4, 31] Some patients may require an IgG level of 400-500 mg/dL above their baseline value for protection. * In patients with severe hypogammaglobulinemia, IgG levels (trough) should be checked every three to six months in growing children and every six to twelve months in adults. [56] - Dosing of IVIG for conditions other than hypogammaglobulinemia do NOT require monitoring of IgG levels. Efficacy in conditions other than hypogammaglobulinemia is based on clinical response, including improvement or resolution of disease symptoms. © 2015 OmedaRx. All rights reserved. dru020.22 Page 12 of 27 - New technologies and pharmaceuticals allow therapeutic services, such as infusion therapy, to be administered safely, effectively, and much less costly outside of the hospital outpatient setting. Alternative sites of care (such as doctor’s offices, infusion centers, and home infusion) are well-established, accepted by physicians, and reduce the overall cost of care. Clinical Efficacy IMMUNODEFICIENCY (Primary or Secondary) - Replacement Therapy for Hypogammaglobulinemia [1, 4-5, 27, 34, 43] Primary humoral immunodeficiency diseases * All available immune globulin replacement products are FDA-approved for use in primary immunodeficiency (PID). [94] * X-linked agammaglobulinemia (congenital agammaglobulinemia) occurs in male infants, usually presenting in the first 3 years of life. * Common variable immunodeficiency (CVID; acquired hypogammaglobulinemia; adult onset hypogammaglobulinemia; dysgammaglobulinemia) is characterized by low to normal IgG levels and inability to produce an antibody response to protein (e.g., tetanus) or carbohydrate antigens (e.g., Pneumovax). Most patients experience severe recurrent and/or chronic infections. * Combined immunodeficiency syndromes, including Wiskott-Aldrich syndrome, are rare, inherited syndromes. * Immunoglobulin reference ranges vary depending on the age of the patient and the particular assay method used. The usual immune globulin maintenance dose is 100800mg/kg/month and therapy is usually life-long. * Serum trough levels should be maintained at 400 – 600 mg/dl. Documentation of the rationale should be provided in the event that a trough level greater than 600 mg/dl is required. [72] * Hypogammaglobulinemic neonates o o Treatment with IVIG is usually reserved for patients with recurrent severe infections, not responding to antibiotic prophylaxis. The usual IVIG dose is 400 – 600 mg/kg/month, administered as a single dose, or up to several months in duration. [67] Acquired Deficiencies: - Hematologic malignancy-related hypogammaglobulinemia (including B-cell cancers, multiple myeloma, and post-bone marrow transplant (BMT) * Use of immune globulin replacement in hypogammaglobulinemic patients with B-cell cancers (including CLL), multiple myeloma and post-allogeneic bone marrow transplant (BMT) is supported by guidelines. [83, 100] * IVIG therapy reduces the incidence of bacterial infections in patients with hematologic malignancies to approximately 50% of the incidence without IVIG administration. [4, 34] © 2015 OmedaRx. All rights reserved. dru020.22 Page 13 of 27 * Previously, use of IVIG prophylaxis post-BMT was common for prevention of graft versus host disease (GVHD); however, with improved immunosuppressant regimens, the use of routine IVIG prophylaxis is no longer supported. [100] * Monthly IVIG infusions of 400 mg/kg are recommended to maintain the serum IgG level. - HIV-infected children < 13 years of age [92] * Current guidelines recommend IVIG use among HIV-infected children who have hypogammaglobulinemia (IgG <400 mg/dL), to prevent serious bacterial infections (SBIs). * IVIG is no longer recommended for primary prevention of SBIs in children, unless hypogammaglobulinemia is present. During the pre-HAART (highly-active antiretroviral therapy) era, IVIG was shown to decrease the frequency of bacterial infections and hospitalization in children with AIDS, however only in those not receiving daily Pneumocystis carinii pneumoniae (PCP) prophylaxis. AUTOIMMUNE (IMMUNE-MEDIATED) DISORDERS - - Pooled immune globulin (IVIG) has been studied and found to be useful in a variety of autoimmune disorders, including hematologic, neuromuscular and infectious disease-related diseases. However, given the rarity of many of these disorders, the evidence for safety and efficacy in some diagnoses is insufficient at this time. The mechanism of action of IVIG in autoimmune disorders is thought to include acute neutralization of circulating autoantibodies, toxins, and cytokine modulation, as well as long-term reduction of antibody production and suppression of T-cell cytokines. [1] Hematologic (immune-mediated) Disorders: [83] Acquired Factor VIII inhibitor [21-25] - - A sufficient treatment course is usually 6-12 weeks before attempting a different immunosuppressive agent. Patients are generally treated until remission (elimination of the inhibitor) occurs, which may take several months. Treatment regimens of 1 gm/kg for 2 days or 400 mg/kg for 5 days have been studied. In one study, only 6 of 19 patients responded to IVIG within 40 days of treatment. [60] Fetal (neonatal) alloimmune thrombocytopenia (FAIT): [58, 83] - - ACOG guidelines recommend IVIG as first line treatment for documented fetal thrombocytopenia. [58] A trial comparing IVIG treatment with and without dexamethasone in siblings showed that:[2] -- IVIG treatment was associated with an increase in mean platelet count of 69,000/mm3. -- There were no instances of intracranial hemorrhages, although hemorrhage had occurred previously in 10 untreated siblings. The recommended dose of IVIG is 1 gm/kg/week, increasing to 2 gm/kg/week in refractory cases. [59] © 2015 OmedaRx. All rights reserved. dru020.22 Page 14 of 27 Idiopathic thrombocytopenia purpura (ITP) [5,83, 84] - - Normal platelet count range is 115,000/mm3 to 440,000/mm3. Acute ITP * In various studies, 64% to 100% of IVIG recipients attained platelet counts greater than 100,000 cells/mm3 within 7 days. [4, 34] * A maximum of 1 gm/kg/day for three or four doses of IVIG on alternate days is recommended. Acute ITP is usually seen in children and typically resolves spontaneously within 2 months. Chronic ITP [4, 8-10] * Current evidence does not support that IVIG alters the natural course of chronic ITP, affects long-term morbidity/mortality, or increases the rate of long-term remission. * IVIG is not indicated for the maintenance of platelet counts in chronic ITP; however, IVIG maybe be used episodically in patients with chronic ITP, for acutely low platelet levels. * Steroids and/or splenectomy are considered the first-line treatment of choice for chronic ITP. Although the use of IVIG may be considered as a steroid-sparing adjunctive therapy for chronic ITP, [5,83,84] other therapies with a more durable response should be considered, such as splenectomy, rituximab (Rituxan), eltrombopag (Promacta) or romiplostim (Nplate). [5,84] * IVIG may be considered in patients with dangerously low platelet counts (less than 10,000 to 20,000 per mm3 in adults or less than 30,000 per mm3 in children) or patients undergoing an invasive procedure, and therefore may be at an increased risk for significant bleeding, such as intracranial hemorrhage. * Choosing Wisely®, an evidence-based initiative to promote wise use of medical resources, states that patients with ITP should not be treated in the absence of bleeding or a very low platelet count. Only rarely should patients be treated when platelet counts are above 30,000, such a preparation of surgery or an invasive procedure. Unnecessary treatment exposes patients to potential adverse events and raises the overall cost of care, with unknown clinical benefit. [106] * The usual dose of IVIG is 1 to 2 gm/kg divided into equal amounts and given over 2 to 5 days. - ITP in pregnancy (a.k.a. Pregnancy-Associated ITP) [44,83,84] * The goal of therapy is to minimize the risk of bleeding complications due to thrombocytopenia. [44] * Platelet function is typically normal so it is not necessary to maintain platelet count in the normal range. [44] * The first line of treatment is prednisone, usual dose 1-2mg/kg/day. [44] * IVIG is useful in cases that are resistant to steroids and when a rapid rise in platelets is necessary. A response typically occurs within 6 – 72 hours of IVIG treatment. [44] * For patients nearing the end of their pregnancy and preparing for use of epidural anesthesia, IVIG coverage will be considered under “ITP, acute” criteria, for use prior to an invasive procedure. Because the evidence is less useful in determining the exact threshold platelet levels needed for prevention of bleeding, the use of IVIG is generally © 2015 OmedaRx. All rights reserved. dru020.22 Page 15 of 27 at the discretion of the treating anesthesiologist or surgeon, and pregnant patients are managed like non-pregnant patients. [83,84] * The American College of Obstetrics and Gynecology (ACOG) recognizes the high cost of IVIG therapy and suggests consultation from a physician experienced in the treatment of ITP when considering use of IVIG therapy. [44] . Post-transfusion purpura (hemolytic transfusion reaction) - Post-transfusion purpura is a rare condition that can occur in patients undergoing blood transfusions. It typically develops approximately one-week after blood transfusion. IVIG may be considered first-line therapy in severely affected patients. [1, 83] The recommended dose of IVIG is 500 mg/kg/day for two consecutive days. Rapid platelet recovery has been seen within days of treatment. Pure Red Cell Aplasia (PRCA), Viral [83] - - Parvovirus B19 infects and lyses red cell precursors, which can cause pure red cell aplasia. IVIG therapy is usually reserved for patients with chronic parvovirus infection and chronic anemia. Chronic parvovirus infection with anemia usually occurs in immunocompromised patients. If the immunodeficiency improves, the parvovirus and anemia may spontaneously resolve. The usual dose of IVIG is 2-4 grams/kg, divided as 400 mg/kg/day for 5 – 10 days, 1 gm/kg/day for 3 days or 0.5 gm/kg weekly for 4 weeks. Initial treatment courses may be indicated with recurrence of anemia and increase in parvovirus B19 DNA. [71,83] Neuromuscular Disorders: Inflammatory demyelinating polyneuropathy (IDP) [85, 86, 96] - - Acute IDP, including Guillain-Barré syndrome (GBS) [57,97] * IVIG appears to be effective in adult patients with Guillain-Barré syndrome when given within 2 weeks of symptom onset. * The recommended IVIG dose is 400 mg/kg/day for 5 days. If relapse occurs within 1-2 weeks of initial therapy, an additional treatment course of IVIG may be effective. Further treatment does not improve outcomes and is not recommended. Chronic IDP (CIDP) * Treatment options include plasmapheresis, IVIG, and corticosteroids. * The usual IVIG dose is 400 mg/kg/day for 5 days, repeated every 6 weeks. Dermatomyositis (DM), adult and pediatric (juvenile) - High-dose IVIG is a safe and effective treatment for refractory dermatomyositis unresponsive to corticosteroid therapy. [5,7,27,33,36, 85,86,95] For adults, abnormalities on EMG or elevations in CPK are accepted diagnostic criteria. Juvenile dermatomyositis (JDM) is characterized by a vasculopathy affecting both the muscle and the skin. For pediatric patients, a number of muscle enzymes, including CPK, LDH, AST or aldolase, may be used to confirm the diagnosis. Myositis may also be confirmed by an abnormal muscle biopsy, EMG or MRI. Children can also have specific skin manifestations associated with the dermatomyositis, including Gottron papules on the dorsal surface of the knuckles and heliotrope rash over the eyelids. [107-109] © 2015 OmedaRx. All rights reserved. dru020.22 Page 16 of 27 - The recommended IVIG dose is 2 gm/kg per month. Lambert-Eaton myasthenic syndrome (LEMS) [39, 85-87] - LEMS is a rare acquired autoimmune disorder characterized by proximal weakness of extremities, decreased reflexes, and dryness of mouth and eyes. Patients reported improved limb, respiratory muscle, and bulbar muscle strength with IVIG, compared to placebo in a small randomized crossover trial (n = 9). [73] The recommended dose of IVIG is 2 gm/kg administered over 2 – 5 days. Multifocal motor neuropathy (MMN) [75-79, 85, 86] - Small controlled trials demonstrate significant increase in muscle strength associated with IVIG administration, long-term benefits, and safety. [6,26] The recommended IVIG dose is 2 gm/kg/month, administered over 2 – 5 days. Conduction block is the hallmark of this disease. Additionally, patients with anti-GM1 antibodies show an increased chance of response to IVIG However, anti-GM antibodies are present in only 30-80% of patients with MMN and are not specific to MMN. In addition, patients who lack anti-GM1 antibodies may have a favorable response to IVIG; therefore the clinical utility of monitoring anti-GM1 antibodies is uncertain. [75] Myasthenia gravis (MG) [85, 86] - Randomized trials examining short-term treatment of myasthenia gravis with IVIG have shown no difference between IVIG and plasma exchange or IVIG and methylprednisolone[69] IVIG may be useful in treating patients with severe myasthenia gravis who fail to respond to the maximum tolerated doses of corticosteroids and/or immunosuppressants. [70] There is no evidence to determine whether IVIG improves function or reduces steroid requirements for moderate to severe myasthenia gravis. [69] The recommended dose of IVIG is 1 – 2 gm/kg/month administered over 2 – 5 days. [69] Paraneoplastic opsoclonus ataxia syndrome (Opsoclonus-myoclonus) [85, 101] - - - Opsoclonus-myoclonus is a rare neurological syndrome characterized by an unsteady gait, brief shock-like muscle spasms, and irregular rapid eye movements and can be a paraneoplastic (e.g., with neuroblastoma) or non-paraneoplastic syndrome. IVIG is a therapeutic option for pediatric neuroblastoma patients with paraneoplastic opsoclonus ataxia syndrome, along with other immunologic treatments, including glucocorticoids, cyclophosphamide, mycophenolate and plasma exchange. [85,101] Evidence supporting the use of IVIG in this condition consists of retrospective chart reviews and case reports. However, a randomized phase II trial is currently investigating the use of IVIG in treating children with opsoclonus-myoclonus associated with neuroblastomas. [73,74,102] Refractory pemphigoid bullous (e.g., pemphigus foliaceus, pemphigus vulgaris) [27, 38, 88] - - IVIG is typically given in combination with conventional treatments, such as immunosuppressive agents and plasmapheresis, and is discontinued once conventional treatment (such as corticosteroids, azathioprine, cyclophosphamide, etc.) takes effect. IVIG is not considered a maintenance therapy for pemphigus foliaceus, pemphigus vulgaris or other autoimmune mucocutaneous blistering diseases. The usual dose of IVIG is 1-2 gm/kg administered over 3 days. This regimen may be repeated every 3-4 weeks. © 2015 OmedaRx. All rights reserved. dru020.22 Page 17 of 27 Polymyositis [85, 86, 95] - - Polymyositis is an inflammatory myopathy with no unique clinical features. It is typically a diagnosis of exclusion in patients with slowly progressive muscle weakness. Traditional therapies include immunosuppressive medications or steroids. IVIG may be considered for patients not responding to first-line immunosuppression. The recommended dose of IVIG is 2 gm/kg/month administered over 2 – 5 days. Stiff Person Syndrome [37, 85] - - Sixteen patients were randomized to IVIG or placebo for 3 months, and then crossed over to the alternate treatment after a 1 month washout period. IVIG patients demonstrated decreased stiffness scores, decreased frequency of falls, ability to walk more easily without assistance, and improved ability to perform work-related tasks. Benefits lasted 6 weeks to 1 year without additional treatment. The usual dose of IVIG is 400 mg/kg/day for 3 – 5 days. Systemic Lupus Erythematosus - Small case series suggest some benefit from treatment with IVIG when compared to cyclophosphamide. The usual dose of IVIG is 400 mg/kg/day for 5 days. Transplant (Solid Organ) – Antibody-mediated rejection [27, 98] - - - Acute allograft (organ) rejection may be cellular (T-cell mediated) or humoral (antibodymediated) (AHR, AMR). Pre-treatment with IVIG (desensitization) may reduce the risk of AMR in highly sensitized renal transplant patients. [27,98] A randomized, double-blind trial comparing IVIG to placebo in 101 highly sensitized renal transplant candidates concluded that IVIG is better than placebo in improving transplantation rates. [68] Acute humoral rejection (AHR) is also an AMR and can occur outside of the peri-operative period, but most commonly within 6 months after transplant. The diagnosis is confirmed by a renal biopsy. The goal of therapy is early antibody elimination with IVIG, pheresis, or a combination of modalities. A variety of protocols have been developed for the use of IVIG in treating AMR after solid organ transplant. [27,98] Other Miscellaneous Disorders: Kawasaki syndrome - - IVIG in conjunction with aspirin given within the first 10 days of illness can reduce the incidence of coronary artery abnormalities by 65% - 78%, compared with treatment with aspirin alone. [4, 34-35,99] IVIG is not effective if more than ten days have elapsed from onset of symptoms. The usual dose of IVIG is 2 gm/kg as a single dose, but may be repeated if the patient fails to defervesce. [99] © 2015 OmedaRx. All rights reserved. dru020.22 Page 18 of 27 INVESTIGATIONAL CONDITIONS [1, 5, 13-15, 17-20, 27, 46-52] - The University Hospital Consortium (UHC), an alliance of 68 academic health centers, performed a critical assessment of off-label IVIG uses. - The UHC determined published data to be inadequate to support the use of IVIG in various conditions. [1] - Asthma: Further trials in asthma patients are necessary to delineate patient subsets that would best benefit from IVIG therapy, and define optimal dosing in this condition. [17-20] - HIV (adults): The use of IVIG in HIV-infected adults is not definitive to substantiate a positive benefit on overall long-term health outcomes. [3] - Multiple sclerosis, progressive: There is not substantial evidence to support IVIG in the treatment of chronic progressive multiple sclerosis. [28-30, 64] - Multiple sclerosis; relapsing-remitting type: IVIG may provide some benefit in reducing the acute exacerbation rate in relapsing-remitting multiple sclerosis. [5, 27, 54] * Trials are generally limited to small numbers of patients and have lacked complete data on clinical outcomes. * Current evidence suggests little benefit with regard to slowing disease progression. * The American Academy of Neurology does not consider IVIG to be a first-line therapy in the treatment of relapsing-remitting multiple sclerosis. - Post-Polio: Two published trials of post-polio syndrome failed to demonstrate a statistically significant benefit compared to placebo in improvement of muscle strength. [65, 66] - Recurrent pregnancy loss, or recurrent spontaneous abortion (due to anti-phospholipid or anti-cardiolipin antibodies): * Recurrent pregnancy loss is defined as three or more pregnancies resulting in spontaneous abortion prior to 20 weeks of gestational age. These women often have immunologic abnormalities, particularly antiphospholipid antibodies. [27] * IVIG has not been established as a safe or effective therapy to prevent recurrent spontaneous abortion in women with immunologic abnormalities, such as elevated natural killer cells, defective cytokines, or defective growth factors. [13-15, 62] * One randomized controlled trial comparing IVIG to thyroid replacement therapy for the prevention of miscarriages found IVIG to be less effective. There was a statistically significant higher rate of live birth among women treated with thyroid replacement therapy. [61] * A small randomized controlled trial in 85 women with a history of three or more spontaneous abortions before 10 weeks of gestation compared low molecular heparin (LMW) plus aspirin with IVIG therapy. The percentage of live births in the LMW plus aspirin versus the IVIG treatment group was 72.5% and 39.5%, respectively. [80] * A randomized controlled trial in 82 women with a history of idiopathic secondary miscarriage compared live birth rates in those who received intravenous immune globulin versus placebo infusion (saline). There was no statistical difference between treatment groups. [82] * ACOG recommendations state: © 2015 OmedaRx. All rights reserved. dru020.22 Page 19 of 27 - -- If results are positive for the same antibody on two consecutive tests 6 to 8 weeks apart, initiate heparin and low-dose aspirin with next pregnancy attempt. -- IVIG is not effective in preventing recurrent pregnancy loss. [55] Additional conditions for which published data is determined to be inconclusive or inadequate to support the use of IVIG include Alzheimer's disease, atopic dermatitis, recurrent C. difficile, narcolepsy/cataplexy, neonatal hemochromatosis, chronic sinusitis, tic disorder, delayed pressure urticaria, systemic sclerosis (diffuse cutaneous, dcSS) and toxic epidermal necrolysis. [27, 46-52, 63,103, 104] ALTERNATIVE SITE OF CARE: - - - - - Use of an alternative site of care, including non-hospital outpatient infusion centers and home infusion services, is an accepted standard medical practice. These alternative sites of care offer high-quality services for patients and reduce the overall cost of care, as compared to a hospital-based infusion center. All medications infused outside of a hospital setting (at an alternative site of care) have undergone an evaluation for safe infusion and development of infusion standards, including adverse drug reaction (ADR) management and reporting algorithms. For use of an alternative site of care, every patient undergoes a patient assessment during the intake process by the infusion provider, which includes evaluation of individual clinical assessment parameters. These parameters may include, but are not limited to, previous tolerance of products (such as IVIG), assessment of kidney function, risk factors for developing thromboembolic events, and venous access. For use of home infusion services, an assessment is conducted to determination whether or not the home is a safe, appropriate site of care, with adequate support for infusion in the home. Because these “alternative site of care” providers need time to arrange for assessment and coordinate the first dose of each new medication, the first dose of infused medications may be covered in a hospital-based infusion center, if needed, to allow adequate time for a seamless transition of care. This may include arranging for delivery of medications and/or patient education, such as for self-administration of medications such as subcutaneous immune globulin (SCIG). © 2015 OmedaRx. All rights reserved. dru020.22 Page 20 of 27 Cross References BlueCross BlueShield Association Medical Policy # 8.01.05; Intravenous Immune Globulin Therapy (6/2013) Maximum Drug Dosage Policy, Medication Policy Manual, Policy No. dru237 Nplate®, romiplostim, Medication Policy Manual, Policy No. dru162 Promacta®, eltrombopag, Medication Policy Manual, Policy No. dru180 Rituxan®, rituximab, Medication Policy Manual, Policy No. dru214 Codes CPT Number Description 90780-90781 IV infusion for therapy CPT 90284 Immune globulin (SCIg), human, for SC use CPT 90283 Immune globulin (IVIG), human, for IV use HCPCS J1459 Injection, Immune Globulin (Privigen), IV, non-lyophilized (e.g., liquid) 500 MG HCPCS J1557 Injection, Immune Globulin (Gammaplex), IV, non-lyophilized (e.g., liquid) 500 MG HCPCS J1559 Injection, Immune Globulin (Hizentra), 100 mg HCPCS J1561 Injection, Immune Globulin, (Gamunex), IV, non-lyophilized, (e.g., liquid), 500 MG HCPCS J1566 Injection, Immune Globulin (Carimune), IV, lyophilized, 500 MG HCPCS J1568 HCPCS J1569 HCPCS J1572 Injection, Immune Globulin (Octagam), IV, non-lyophilized (e.g., liquid) 500 MG Injection, Immune Globulin, (Gammagard), IV, non-lyophilized, (e.g., liquid), 500 MG Injection, Immune Globulin, (Flebogamma), IV, non-lyophilized, (e.g., liquid), 500 MG HCPCS Unassigned Immune Globulin, (BIVIGAM) References 1. 2. 3. Leong, H, Stachnik, J, Bonk, ME, Matuszewski, KA. Unlabeled uses of intravenous immune globulin. Am J Health Syst Pharm. 2008 Oct 1;65(19):1815-24. PMID: 18796422. Bussel JB et al. "Antenatal management of alloimmune thrombocytopenia with intravenous immunoglobulin: A randomized trial of the addition of low dose steroid to intravenous immunoglobulin." Am J Obstet Gynecol 1996;174:1414-23. Kiehl MG et al. "A controlled trial of intravenous immune globulin for the prevention of serious infections in adults with advanced human immunodeficiency virus infection." Arch Intern Med 1996;156:2545-50. © 2015 OmedaRx. All rights reserved. dru020.22 Page 21 of 27 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Immuno Facts®; May 2003 by Facts and Comparisons. p 213-20. " Immune Globulin Therapy." BlueCross BlueShield Association (BCBSA) Medical Policy Reference Manual, Policy No. 8.01.05, Last review date: June 2013. Azulay JP et al. "Intravenous immunoglobulin treatment in patients with motor neuron syndromes associated with anti-GM1 antibodies." Neurology 1994;44:429-32. Dalakas MC et al. "A controlled trial of high-dose intravenous immunoglobulins infusions as treatment for dermatomyositis." N Engl J Med 1993;329:1993-2000. Chu Y-Waye et al. "Idiopathic thrombocytopenia purpura." Pediatrics Review 2000; 21(3):94105. Laosombat V. "Intravenous gamma globulin for treatment of chronic idiopathic thrombocytopenic purpura in children." J Med Assoc Thai 2000;83(2):160-8. Medeiros, Desiree et al. "Current controversies in the management of idiopathic thrombocytopenic purpura during childhood." Pediatric Clin N Amer 1996;43(3):757-73. TEC Assessments 1998. "Intravenous Immune Globulin for Recurrent spontaneous Abortion." Tab 14. Daya S et al. "Mini symposium Analysis of therapies for anovulation and miscarriage: Critical analysis of intravenous immunoglobulin therapy for recurrent miscarriage." Human Reproduction Update 1999;5(5):475-82. Daya S. "Intravenous immunoglobulin therapy for recurrent spontaneous abortion: a metaanalysis." Am J Reprod Immunol 1998;39(2):69-76. A Perino et al. "Short-term therapy for recurrent abortion using intravenous immunoglobulins: results of a double-blind placebo-controlled Italian study." Human Reproduction 1997;12(11):2388-92. Stephenson MD et al. "Prevention of unexplained recurrent spontaneous abortion using intravenous immunoglobulin: a prospective, randomized, double-blinded, placebo controlled trial." Am J Reprod Immunology 1998;39:82-8. Lee. Wintrobe's Clinical Hematology, 10th ed., Copyright © 1999 Lippincott Williams & Wilkins, Inc. p. 2664. Kishiyama JL et al. "A multicenter, randomized, double-blind, placebo-controlled trial of high-dose intravenous immunoglobulin for oral corticosteroid-dependent asthma." Clinical Immunology 1999;91(2):126-33. Ballow Mark. "Is steroid-dependent asthma a disease treatable with intravenous immunoglobulin?" Clinical Immunology 1999; 91(2):123-5. Salmun LM et al. "Effect of intravenous immunoglobulin on steroid consumption in patients with severe asthma: a double-blind, placebo-controlled, randomized trial." J All Clin Immunol 1999; Copyright 1999 Mosby, Inc. Landwehr LP et al. "Benefits of high-dose IV immunoglobulin in patients with severe steroid-dependent asthma." Chest 1998;114:1349-56. Lafferty TE et al. "Treatment of acquired factor VIII inhibitor using intravenous immunoglobulin in two patients with systemic lupus erythematosus." Arthritis 1997; 40(4):775-8. Crenier L. "Low response to high-dose intravenous immunoglobulin in the treatment of acquired factor VIII inhibitor." Br J Haematol 1996;95(4):750-3. Sultan Y. "Acquired hemophilia and its treatment." Blood Coagul Fibrinolysis 1997;8 (suppl 1):S15-8. Lusher JM. "Screening and diagnosis of coagulation disorders." 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"Failure of intravenous immunoglobulin to arrest progression of multiple sclerosis: a clinical MRI based study." Multiple Sclerosis 1997;3:370-6. Fauci AS et al. Harrison’s Principles of internal medicine, 14th edition. McGraw-Hill Companies, Inc., New York, 1998, p. 1791. Stiehm ER. "Immune globulin therapy." In: Mintz PD, editor. Transfusion therapy: clinical principles and practice. Bethesda, MD:AABB Press; 199. P. 267-97. Dalakais MC. "Intravenous immune globulin therapy for neurologic diseases." Ann Intern Med 1997;126(9):721-30. USP-DI® Drug Information for the Health Care Professional, 22nd Edition, 2002. Fasano MB. "Risks and benefits of intravenous immunoglobulin treatment in children." Curr Opin Pediatr 1995;7:688-94. Sansome A, Dubowitz V. "Intravenous immunoglobulin in juvenile dermatomyositis: four year review of nine cases." Arch Dis Child 1995;72:25-8. Dalakas MC et al. "High-dose intravenous immune globulin for stiff-person syndrome." N Engl J Med 2001;345(26):1870-6. 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"Treatment of autoimmune hemolytic anemias". Curr Opin Hematol 2001;8:411-16. Dodel RC et al. "Intravenous immunoglobulins containing antibodies against beta-amyloid for the treatment of Alzheimer's disease". J Neurol Neurosurg Psychiatry 2004;75(10):1472-4. Jolles S et al. "Adjunctive high-dose intravenous immunoglobulin treatment for resistant atopic dermatitis: efficacy and effects on intracellular cytokine levels and CD4 counts." ACTA Derm Venereol 2003;83(6):433-7. Wilcox MH. "Descriptive study of intravenous immunoglobulin for the treatment of recurrent Clostridium difficile diarrhea." J Antimicrob Chemother 2004;53(5):882-4. Dauvilliers Y et al. "Successful management of cataplexy with intravenous immunoglobulins at narcolepsy onset". Ann Neurol 2004:56(6):905-8. Whitington PF et al. "High-dose immunoglobulin during pregnancy for recurrent neonatal hemochromatosis." Lancet 2004;364(9446):1690-8. Hoekstra PJ et al. 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The clinical usefulness of high-dose intravenous immunoglobulin therapy for chronic inflammatory demyelinating polyneuropathy and multifocal motor neuropathy. No To Shinkei 1999 Feb;51(2): 127-35. Van den Berg RM, Franssen H, Wokke JH, et al. Multifocal motor neuropathy: diagnostic criteria that predict the response to immunoglobulin treatment. Annals of Neurology 2000; 48(6): 919-926. Dendrinos S, Sakkas E, Makrakis E. Low-molecular-weight heparin versus intravenous immunoglobulin for recurrent abortion associated with antiphospholipid antibody syndrome. Int J Gynaecol Obstet. 2009;104(3):223-5. Hizentra™ [package insert]. CSL Behring LLC: Kankakee, IL. March 2010. © 2015 OmedaRx. All rights reserved. dru020.22 Page 24 of 27 82. 83. 84. 85. 86. 87. 88. 89. 90. 91. 92. 93. 94. 95. 96. 97. 98. 99. 100. Stephenson MD, Kutteh WH, Purkiss S, Librach C, Schultz P, et al. 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All rights reserved. dru020.22 Page 26 of 27 Appendix I: Primary Humoral Immunodeficiencies, as defined by the following diagnostic criteria: 1. X-linked agammaglobulinemia (congenital agammaglobulinemia) diagnosis accompanied by marked deficits or absence of all five immunoglobulin classes (IgG, IgM, IgA, IgE, and IgD), decreased circulating B lymphocytes, and normal numbers of functioning T lymphocytes. OR 2. Hypogammaglobulinemia (a general term describing serum levels of IgG which are below the lower limits of normal). OR 3. Common variable immunodeficiency (CVID; acquired hypogammaglobulinemia; adult onset hypogammaglobulinemia; dysgammaglobulinemia) documented with low to normal IgG levels and the inability to produce an antibody response to protein (e.g., tetanus) or carbohydrate antigens (e.g., Pneumovax). OR 4. Immunoglobulin subclass deficiency (e.g., X-Linked immunodeficiency with hyper-IgM) accompanied by very low serum concentrations of IgG, IgA, and IgE, with normal or, more frequently, greatly elevated polyclonal IgM concentrations. OR 5. Combined immunodeficiency syndromes, including Wiskott-Aldrich syndrome, accompanied by marked deficits in IgG, IgA and IgM, low lymphocyte counts, and absent or below normal levels of both B- and T-lymphocytes. © 2015 OmedaRx. All rights reserved. dru020.22 Page 27 of 27
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