Immune globulin human products may be formulated for intravenous or subcutaneous infusion or for intramuscular injection; the product labeling must be consulted for details on the specific product, including instructions for preparation, administration, and storage.
Immune globulin human products for intravenous administration include: Bivigam (Biotest); Carimune NF (CSL Behring); Flebogamma DIF (5 or 10%, Grifols); Gammagard S/D (Baxter); Gammagard Liquid (Baxter); Gammaked (Grifols); Gammaplex (BPL); Gamunex-C (Grifols); Octagam (5 or 10%, Octapharma); and Privigen (CSL Behring).3053; 3054; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3065; 3066; 3067
Immune globulin human products intended exclusively for subcutaneous infusion include: Cuvitru (Baxalta), Hizentra (CSL Behring) and HyQvia (Baxter).3063; 3064; 3240 In addition, several of the intravenous immune globulin human preparations also may be administered by subcutaneous infusion for certain indications; these products include Gammagard Liquid (Baxter); Gammaked (Grifols); and Gamunex-C (Grifols).3059; 3060; 3062
GamaSTAN S/D (Grifols) immune globulin human is labeled solely for administration by intramuscular injection.3057
Immune Globulin Human Products for Intravenous Administration Only
Immune globulin human intravenous is available from a number of manufacturers in both liquid and lyophilized powder forms that are prepared with varying manufacturing processes and excipients, resulting in different physicochemical properties for each formulation.3075 Protein concentrations of 5 and 10% are available in liquid forms.3075 Lyophilized preparation vial sizes vary by product, but typically contain between 3 and 12 g of protein.3054; 3058 Lyophilized preparations require reconstitution with the diluents and volumes specified by the manufacturers and typically result in protein concentrations of 3 to 12%.3054; 3058; 3075
Bivigam (Biotest) is available as a 10% solution in 50- and 100-mL single-use vials.3053 The drug also contains sodium chloride 0.1 to 0.14 M (approximately 5.8 to 8.2 mg/mL), glycine 0.2 to 0.29 M (approximately 15 to 21.8 mg/mL), and polysorbate 80 0.15 to 0.25% in water for injection.3053 The concentration of IgA present in the formulation does not exceed 200 mcg/mL.3053
Carimune NF (CSL Behring) is available as a lyophilized powder in single-use vials containing 3, 6, and 12 g of protein.3054 The drug should be reconstituted with sodium chloride 0.9%, dextrose 5%, or sterile water for injection in the amounts shown in Table 1.3054
Table 1. Reconstitution of Carimune NF3054
Target Concentration | Volume of Diluent to be Added | ||
---|---|---|---|
3-g Vial | 6-g Vial | 12-g Vial | |
3% | 100 mL | 200 mL | a |
6% | 50 mL | 100 mL | 200 mL |
9% | 33 mL | 66 mL | 132 mL |
12% | 25 mL | 50 mL | 100 mL |
a Container not large enough to permit concentration.
Vials of Carimune NF also contain sucrose 1.67 g and less than 20 mg of sodium chloride per gram of protein.3054 Trace amounts of IgA and IgM are present.3054
Flebogamma DIF (Grifols) is available as a 5% solution in 10-, 50-, 100-, 200-, and 400-mL single-use vials3055 and as a 10% solution in 50-, 100-, and 200-mL single-use vials.3056 Both strengths contain D-sorbitol 5 g in 100 mL of water for injection, trace amounts of sodium, and no greater than 3 or 6 mg/mL of polyethylene glycol in the 5 or 10% preparations, respectively.3055; 3056 The 5% solutions typically contain less than 50 mcg/mL of IgA,3055 and the 10% solutions typically contain less than 100 mcg/mL.3056 Both strengths contain trace amounts of IgM.3055; 3056
Gammagard S/D (Baxter) is available in a kit containing 5 or 10 g of lyophilized immune globulin human in a single-use bottle, a diluent bottle containing sterile water for injection, a transfer device, and an administration set with an integral airway and a 15-µm filter.3058 To produce the desired concentration, the powder must be reconstituted with an appropriate amount of the provided diluent.3058 Before the provided transfer device is attached to the diluent vial, however, the amounts of diluent shown in Table 2 must be removed from the vial depending on the target concentration; the amount remaining in the vial is then used to reconstitute the lyophilized immune globulin human using the transfer device.3058 The manufacturers prescribing information should be consulted for specific instructions.3058
Table 2. Reconstitution of Gammagard S/D3058
Target Concentration | Volume of Diluent to be Removed from Diluent Vial | |
---|---|---|
5-g Vial | 10-g Vial | |
5% | 0 mLa | 0 mLa |
10% | 48 mL | 96 mL |
a Do not remove any diluent from the diluent vial to prepare a 5% solution.
When Gammagard S/D is reconstituted as directed, each mL of the resulting 5% solution also contains sodium chloride 8.5 mg, albumin human 3 mg, glycine 22.5 mg, glucose 20 mg, polyethylene glycol 2 mg, tri-n-butyl phosphate (TNBP) 1 mcg, octoxynol 9 1 mcg, and polysorbate 80 100 mcg.3058 (A 10% solution contains twice the concentration of these excipients per mL contained in the 5% solution.3058) Less than 1 mcg/mL of IgA is present in the 5% solution and less than 2 mcg/mL is present in the 10% solution.3058 Trace amounts of IgM also are present.3058
Gammaplex (BPL) is available as a 5% solution in 50-, 100-, 200-, and 400-mL single-use bottles.3061 The formulation also contains 5 g D-sorbitol in 100 mL of buffer solution, which contains glycine 0.6 g, sodium acetate 0.2 g, sodium chloride 0.3 g, and polysorbate 80 approximately 5 mg.3061 IgA is present at a concentration of less than 10 mcg/mL.3061
Octagam (Octapharma) 5 and 10% solutions are available in 20-, 50-, 100-, and 200-mL single-use bottles.3065; 3066 The 5% solution also is available in 500-mL single-use bottles.3065 To prevent coring, needles larger than 16 gauge should not be used with either strength of the drug.3065; 3066 Each mL of the 5% formulation also contains maltose 100 mg, octoxynol (TRITON X-100) no greater than 5 mcg, TNBP no greater than 1 mcg, and sodium no greater than 0.03 mmol in water for injection.3065 Each mL of the 10% formulation also contains maltose 90 mg and sodium no greater than 0.03 mmol.3066 No greater than 200 mcg/mL of IgA and 100 mcg/mL of IgM are present in the 5% solution.3065 In the 10% formulation, IgA is present at an average concentration of 106 mcg/mL with even lesser amounts of IgM.3066
Privigen (CSL Behring) is available as a 10% solution in 50-, 100-, 200-, and 400-mL single-use vials.3067 Each mL of the formulation also contains L-proline 0.25 mmol (range: 0.21 to 0.29 mmol) and trace amounts of sodium.3067 The concentration of IgA present in the formulation does not exceed 25 mcg/mL.3067
Immune Globulin Human Products for Intravenous or Subcutaneous Administration
Several immune globulin human preparations (e.g., Gammagard Liquid, Gammaked, and Gamunex-C) may be administered by intravenous or subcutaneous infusion depending on the specific indication.3059; 3060; 3062
Gammagard Liquid (Baxter) is available as a 10% solution in 10-, 25-, 50-, 100-, 200-, and 300-mL single-use bottles.3059 The formulation also contains glycine 0.25 M (approximately 18.8 mg/mL).3059 IgA is present at an average concentration of 37 mcg/mL; trace amounts of IgM are present.3059
Gammaked and Gamunex-C (both manufactured by Grifols) are available as 10% solutions in 10-, 25-, 50-, 100-, and 200-mL single-use vials.3060; 3062 Gamunex-C also is available in 400-mL single-use vials.3062 Only 18-gauge needles should be used to penetrate the stopper of Gammaked or Gamunex-C 10-mL vials; for vials containing 25 mL or more, 16-gauge needles or dispensing pins should be used.3060; 3062 Both products also contain glycine 0.16 to 0.24 M (approximately 12 to 18 mg/mL) and residual caprylate concentrations no greater than 216 mg/mL (1.3 mmol/L).3060; 3062 IgA is present at an average concentration of 46 mcg/mL; trace amounts of IgM also are present.3060; 3062
Immune Globulin Human Products for Subcutaneous Administration
Some immune globulin human products are intended only for administration by subcutaneous infusion.3063; 3064; 3240
Cuvitru (Baxalta) is available as a 20% solution in 5-, 10-, 20-, and 40-mL single-use vials for subcutaneous use only.3240 Each vial also contains glycine 0.25 M.3240 IgA is present at an average concentration of 80 mcg/mL.3240
Hizentra (CSL Behring) is available as a 20% solution in 5-, 10-, 20-, and 50-mL single-use vials for subcutaneous use only.3063 Each mL of the formulation also contains L-proline 0.25 mmol (range: 0.21 to 0.29 mmol), polysorbate 80 0.008 to 0.03 mg, and trace amounts of sodium.3063 The concentration of IgA present in the formulation does not exceed 50 mcg/mL.3063
HyQvia (Baxter) is available as a 10% solution in 25-, 50-, 100-, 200-, and 300-mL single-use vials; each vial is packaged with a vial containing recombinant human hyaluronidase 160 units/mL.3064 The 2 vials should not be mixed; they are intended for sequential subcutaneous use only.3064 The immune globulin human vial also contains glycine 0.25 M (approximately 18.8 mg/mL); IgA is present at an average concentration of less than 37 mcg/mL, and trace amounts of IgM also are present.3064 Each mL of the recombinant human hyaluronidase solution also contains sodium chloride 8.5 mg, sodium phosphate dibasic dihydrate 1.78 mg, human albumin 1 mg, edetate disodium dihydrate 1 mg, and calcium chloride dihydrate 0.4 mg; sodium hydroxide 0.17 mg has been added for pH adjustment.3064
Immune Globulin Human Products for Intramuscular Administration
GamaSTAN S/D (Grifols) is available as a 15 to 18% solution in 2- and 10-mL single-use vials for intramuscular use only.3057 The formulation also contains glycine 0.21 to 0.32 M (approximately 15.8 to 24 mg/mL).3057 IgA presence and/or concentration is not specified in the prescribing information.3057
Reconstitution of Lyophilized Immune Globulin Human
To reconstitute a lyophilized immune globulin human powder, the diluent specified by the manufacturer should be added and then the vial or bottle should be rotated or swirled to dissolve particles.3054; 3058 Foaming, which has been noted to be very slow to subside in some products,3054 results from shaking and should be avoided3054; 3058 because it may impede dissolution.1499 In general, liquid and reconstituted immune globulin human products should not be shaken.3053; 3054; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3067
Reconstitution of Sandoglobulin (no longer commercially available in the US) with dextrose 5% has resulted in extended dissolution times of 75 and 135 minutes for the 3 and 6% solutions, respectively. With sodium chloride 0.9%, dissolution occurs over a few minutes; exceptional cases take up to 20 minutes.1498
pH
Bivigam: From 4 to 4.6.3053
Carimune NF: From 6.4 to 6.8.3054
Cuvitru: From 4.6 to 5.1.3240
Flebogamma DIF: From 5 to 6.3055; 3056
GamaSTAN: From 6.4 to 7.2.3057
Gammagard Liquid: From 4.6 to 5.1.3059
Gammagard S/D: From 6.4 to 7.2.3058
Gammaked: From 4 to 4.5.3060
Gammaplex: From 4.8 to 5.1.3061
Gamunex-C: From 4 to 4.5.3062
Hizentra: From 4.6 to 5.2.3063
HyQvia: From 4.6 to 5.1.3064
Octagam 5%: From 5.1 to 6;3065 Octagam 10%: From 4.5 to 5.3066
Privigen: From 4.6 to 5.3067
Osmolality
Carimune NF: Following reconstitution of the Carimune NF formulation of immune globulin human to targeted concentrations of 3, 6, 9, or 12%, the calculated osmolality of the solution varied with the diluent used.3054 (See Table 3.)
Table 3. Calculated Osmolality of Reconstituted Carimune NF (CSL Behring)3054
Diluent | Osmolality (mOsm/kg) | |||
---|---|---|---|---|
Carimune NF 3% | Carimune NF 6% | Carimune NF 9% | Carimune NF 12% | |
Dextrose 5% | 444 | 636 | 828 | 1020 |
Sodium chloride 0.9% | 498 | 690 | 882 | 1074 |
Sterile water for injection | 192 | 384 | 576 | 768 |
Cuvitru: 280 to 292 mOsm/kg.3240
Flebogamma DIF 5 and 10%: 240 to 370 mOsm/kg.3055; 3056
Gammagard Liquid: 240 to 300 mOsm/kg.3059
Gammaked: 258 mOsm/kg.3060
Gammaplex: Typically 420 to 500 mOsm/kg.3061 Not less than 240 mOsm/kg.3061
Gamunex-C: 258 mOsm/kg.3062
HyQvia: 240 to 300 mOsm/kg.3064
Octagam 5 and 10%: 310 to 380 mOsm/kg.3065; 3066
Privigen: Approximately 320 mOsm/kg (range: 240 to 440 mOsm/kg).3067
Trade Name(s)
Bivigam, Carimune NF, Cuvitru, Flebogamma DIF, GamaSTAN S/D, Gammagard Liquid, Gammagard S/D, Gammaked, Gammaplex, Gamunex-C, Hizentra, HyQvia, Octagam, Privigen
Immune globulin human may be administered by intravenous infusion,3053; 3054; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3065; 3066; 3067 subcutaneous infusion using an infusion pump,3059; 3060; 3062; 3063; 3064 or intramuscular injection.3057 The route of administration and, where applicable, the rate of infusion depend upon the product selected, the indication for the drug, and patient-specific risk factors.3053; 3054; 3055; 3056; 3057; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3065; 3066; 3067
For intravenous infusion, a slow initial infusion rate is usually maintained for 10 to 30 minutes prior to gradually (e.g., every 15 to 30 minutes) increasing the rate according to patient tolerance and the product-specific maximum rate.3053; 3054; 3055; 3056; 3059; 3060; 3061; 3062; 3065; 3066; 3067
For subcutaneous infusion, initial infusion rates range from 5 to 20 mL/hour per site, with product-specific maximum rates and number of infusion sites.3059; 3060; 3062; 3063; 3064; 3240 For subcutaneous infusion of HyQvia, a 24-gauge subcutaneous needle set that is labeled for high flow rates should be used.3064
GamaSTAN S/D is administered only by intramuscular injection; the drug should not be administered subcutaneously or intravenously.3057
Recommended storage conditions vary among the different immune globulin human products.3075; 3076 Typically, intact immune globulin human products are stored either at room temperature, under refrigeration, or some combination of both and have a shelf life of about 243055; 3056; 3058; 3059; 3061; 3065; 3066 to 36 months3059; 3060; 3062; 3067; 3240 from the date of manufacture.3075; 3076 Immune globulin human products should not be frozen.3053; 3054; 3055; 3056; 3057; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3065; 3066; 3067; 3240 Manufacturers of certain products state that the drug should be kept in the carton to protect from light.3055; 3056; 3059; 3061; 3063; 3064; 3067; 3240 Specific product labeling should be consulted for all storage requirements.
In general, liquid and reconstituted immune globulin human products should not be shaken.3053; 3054; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3067; 3240
Containers of immune globulin human are for single use only; partially used containers should be discarded.3053; 3054; 3055; 3056; 3057; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3065; 3066; 3067; 3240
Most immune globulin human solutions are colorless to pale yellow in appearance.3053; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3064; 3067; 3240 Oxidative reactions may be a cause of yellowish discoloration of intravenous immune globulin human solutions.3076
Two immune globulin human products (Gammagard S/D, Baxter and Polygam S/D [no longer commercially available in the US], American Red Cross) for intravenous use were reconstituted with sterile water for injection to concentrations of 50 mg/mL (5%) and 100 mg/mL (10%). Stability of the reconstituted product was evaluated in the original glass vials and also after transfer to PVC bags at 4°C for 48 hours and at 25°C for 12 hours. The visual appearance of the solutions remained acceptable, extremely low amounts of diethylhexyl phthalate (DEHP) plasticizer were leached from the PVC bags, and all tests for protein content and antibody activity indicated that stability was maintained throughout the study under both storage conditions.2435
pH Effects
One study evaluated multiple substances (e.g., sugars, polyalcohols, amino acids) for their ability to stabilize dissolved immune globulin G (IgG) molecules to prevent aggregation, dimerization, and fragmentation across a range of pH conditions when stored at 37°C for 90 days.3076 The lowest percentage of aggregates was observed at weakly acidic conditions (pH 5.3) and the highest percentage of aggregates was observed at the lowest pH tested (i.e., 4.8 for L-lysine and L-ornithine; 4.1 for all other stabilizers tested).3076 L-Proline, sucrose, and maltose showed good stabilizing effects over the entire pH range tested (4.1 to 6.8); glycine was less effective over this range, and L-lysine and L-ornithine were only marginally stabilizing at pH 6.8.3076
In terms of dimerization, L-proline was the most effective stabilizer tested, decreasing the percentage of dimers over the entire pH range tested.3076 Sucrose also was effective over the entire pH range tested; however, its effects were less robust than those of L-proline.3076 Glycine, L-lysine, and L-ornithine had negligible effects on dimerization, with glycine being the least effective.3076 Mannitol and maltose actually increased dimer formation as compared with control solutions of immune globulin not containing a stabilizer.3076
The greatest amounts of fragmentation occurred at the lowest pH tested (i.e., 4.1).3076 No substantial differences in fragmentation were observed among solutions containing L-proline, glycine, or no stabilizer except at a neutral pH of 6.8, where the formulation without stabilizer contained slightly more fragments.3076 These results suggest that glycine and L-proline have a small inhibitory effect on neutral proteases (e.g., serine proteases).3076
Sorption
A stability evaluation of immune globulin human for intravenous use in PVC bags found no loss of activity due to sorption when compared to glass containers.2435
Filtration
For details on filtration of immune globulin human products, the product labeling should be consulted; some manufacturers do not make specific recommendations.
Carimune NF (CSL Behring) may be filtered, but filtration is not required.3054 Filters with pore sizes of 15 µm or larger will be less likely to slow the infusion, especially at higher concentrations.3054 Antibacterial filters (i.e., 0.2-µm filters) may be used.3054
Use of an inline filter with Gammagard Liquid (Baxter) is optional.3059
The administration set provided with Gammagard S/D (Baxter) contains an integral airway and a 15-µm filter.3058 If an alternative administration set is used to administer the drug, an administration set containing a similar filter should be used.3058
Inline filtration is not required with Octagam (Octapharma); however, if a filter is used, the pore size should be 0.2 to 200 µm.3065; 3066
Plasticizer Leaching
Storage of reconstituted immune globulin human for intravenous use in PVC containers for 48 hours at 4°C and 12 hours at 25°C resulted in very low amounts of leached DEHP plasticizer from undetectable amounts up to a maximum of 86 ng/mL.2435
Y-Site Injection Compatibility (1:1 Mixture)
Additional Compatibility Information
Immune globulin human products are manufactured using differing processes and exhibit differing compatibility and stability characteristics.3075 All manufacturers recommend using a separate infusion line for administration and not mixing other drugs with immune globulin human.3053; 3054; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3065; 3066; 3067; 3240 Pooling of vials of the same product and strength (and where applicable, the same diluent used for reconstitution) into sterile empty infusion containers is acceptable to facilitate the administration of large doses; however, storage requirements and the maximum duration of time allowed from the time of pooling to infusion vary among products.3053; 3054; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3064; 3065; 3066; 3067 Specific product labeling should be consulted. Different formulations of immune globulin human from the same or different manufacturers should not be mixed.3053; 3054; 3055; 3056; 3058; 3059; 3060; 3061; 3062; 3063; 3064; 3065; 3066; 3067 The manufacturers make the recommendations cited in Table 4 regarding compatibility with infusion solutions.
Table 4. Immune Globulin Human Products: Compatibility with Infusion Solutions
Product | Remarks |
---|---|
Bivigam | Do not dilute.3053 |
Carimune NF | May be reconstituted with sodium chloride 0.9%, dextrose 5%, or sterile water for injection.3054 |
Cuvitru | Do not dilute.3240 |
Flebogamma DIF | Do not dilute.3055; 3056 |
Gammagard Liquid | May be diluted with dextrose 5%; incompatible for dilution with sodium chloride 0.9%.3059 Line may be flushed with sodium chloride 0.9%.3059 |
Gammagard S/D | Reconstitute with sterile water for injection packaged with drug.3058 |
Gammaked | May be diluted with dextrose 5%; incompatible for dilution with sodium chloride 0.9%.3060 Line may be flushed with either dextrose 5% or sodium chloride 0.9%.3060 |
Gamunex-C | May be diluted with dextrose 5%; incompatible for dilution with sodium chloride 0.9%.3062 Line may be flushed with either dextrose 5% or sodium chloride 0.9%.3062 |
HyQvia | Line may be flushed with either sodium chloride 0.9% or dextrose 5%.3064 |
Octagam | Do not dilute.3065; 3066 Line may be flushed with sodium chloride 0.9% or dextrose 5%.3065; 3066 |
Privigen | May be diluted with dextrose 5%.3067 Line may be flushed with dextrose 5% or sodium chloride 0.9%.3067 |
Heparin Locks
The manufacturer of Gammaked and Gamunex-C immune globulin human products (Grifols) specifically states that heparin locks through which either drug has been administered should be flushed only with dextrose 5% or sodium chloride 0.9%; heparin should not be used to flush the lock.3060; 3062
For a list of references cited in the text of this monograph, search the monograph titled References.