IgA and IgG Subclass Deficiencies Differential Diagnoses
- Author: Terry W Chin, MD, PhD; Chief Editor: Harumi Jyonouchi, MD more...
Differential Diagnoses
- Agammaglobulinemia
- B-Cell and T-Cell Combined Disorders
- Bruton Agammaglobulinemia
- Chromosomal Breakage Syndromes
- Common Variable Immunodeficiency
- Rubella
- Severe Combined Immunodeficiency
- Transient Hypogammaglobulinemia of Infancy
- X-linked Immunodeficiency With Hyper IgM
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| Brand(Manufacturer) | Manufacturing Process | pH | Additives (IVIg products containing sucrose are most often associated with renal dysfunction, acute renal failure, and osmotic nephrosis, particularly with preexisting risk factors [eg, history of renal insufficiency, diabetes mellitus, age >65 y, dehydration, sepsis, paraproteinemia, nephrotoxic drugs]) | Parenteral Form and Final Concentrations | IgA Content mcg/mL |
| Carimune NF (CSL Behring) | Kistler-Nitschmann fractionation; pH 4, nanofiltration | 6.4-6.8 | 6% solution: 10% sucrose, < 20 mg NaCl/g protein | Lyophilized powder 3%, 6%, 9%, 12% | Trace |
| Flebogamma (Grifols USA) | Cohn-Oncley fractionation, PEG precipitation, ion-exchange chromatography, pasteurization | 5.1-6 | Sucrose free, contains 5% D-sorbitol | Liquid 5% | < 50 |
| Gammagard Liquid 10% (Baxter Bioscience) | Cohn-Oncley cold ethanol fractionation, cation and anion exchange chromatography, solvent detergent treated, nanofiltration, low pH incubation | 4.6-5.1 | 0.25M glycine | Ready-for-use Liquid 10% | 37 |
| Gamunex (Talecris Biotherapeutics) | Cohn-Oncley fractionation, caprylate-chromatography purification, cloth and depth filtration, low pH incubation | 4-4.5 | Does not catain carbohydrate stabilizers (eg, sucrose, maltose), contains glycine | Liquid 10% | 46 |
| Gammaplex (Bio Products) | Solvent/detergent treatment targeted to enveloped viruses; virus filtration using Pall Ultipor to remove small viruses including nonenveloped viruses; low pH incubation | 4.8-5.1 | Contains sorbitol (40 mg/mL); do not administer if fructose intolerant | Ready-for-use solution 5% | < 10 |
| Iveegam EN (Baxter Bioscience) | Cohn-Oncley fraction II/III; ultrafiltration; pasteurization | 6.4-7.2 | 5% solution: 5% glucose, 0.3% NaCl | Lyophilized powder 5% | < 10 |
| Polygam S/D Gammagard S/D (Baxter Bioscience for the American Red Cross) | Cohn-Oncley cold ethanol fractionation, followed by ultracentrafiltration and ion exchange chromatography; solvent detergent treated | 6.4-7.2 | 5% solution: 0.3% albumin, 2.25% glycine, 2% glucose | Lyophilized powder 5%, 10% | < 1.6 (5% solution) |
| Octagam (Octapharma USA) 9/24/10: Withdrawn from market because of unexplained reports of thromboembolic events | Cohn-Oncley fraction II/III; ultrafiltration; low pH incubation; S/D treatment pasteurization | 5.1-6 | 10% maltose | Liquid 5% | 200 |
| Panglobulin (Swiss Red Cross for the American Red Cross) | Kistler-Nitschmann fractionation; pH 4 incubation, trace pepsin, nanofiltration | 6.6 | Per gram of IgG: 1.67 g sucrose, < 20 mg NaCl | Lyophilized powder 3%, 6%, 9%, 12% | 720 |
| Privigen Liquid 10% (CSL Behring) | Cold ethanol fractionation, octanoic acid fractionation, and anion exchange chromatography; pH 4 incubation and depth filtration | 4.6-5 | L-proline (approximately 250 mmol/L) as stabilizer; trace sodium; does not contain carbohydrate stabilizers (eg, sucrose, maltose) | Ready-for use liquid 10% | < 25 |

