期刊
JOURNAL OF DERMATOLOGY
卷 49, 期 10, 页码 1049-1051出版社
WILEY
DOI: 10.1111/1346-8138.16500
关键词
autoimmune skin disease; hepatitis; intravenous immunoglobulin therapy; IVIg; passive transfer
类别
资金
- Deutsche Forschungsgemeinschaft [CRU 303, ECX 2167]
This study aimed to evaluate the number of newly-discovered positive serological hepatitis B virus (HBV) test results in patients with autoimmune skin diseases after intravenous immunoglobulin (IVIg) treatment. The results showed that there were new positive serological HBV test results after IVIg treatment, which may be due to passive antibody transfer. It is recommended to screen for hepatitis B before IVIg therapy to prevent diagnostic confusion caused by passive antibody transfer.
Intravenous immunoglobulin (IVIg) contains pooled immunoglobulins from the plasma of healthy blood donors. All plasma samples are tested for HIV, hepatitis viruses (A, B, and C), and parvovirus B19. As part of this screening step, nucleic acid amplification technology (NAT) is used and allows the presence of specific antibodies targeting viral structures that are commonly used to test for infection status, such as anti-hepatitis B surface antigen (HBs) or anti-hepatitis B virus core (HBc) antibodies. For this reason, manufacturers point to the possibility of false-positive viral serological test results following IVIg treatment due to the passive transfer of antibodies. IVIg therapy is commonly used to manage patients with severe, treatment-refractory autoimmune skin diseases. The aim of this cohort study was to retrospectively quantify newly-discovered positive serological HBV test results after IVIg treatment in patients with autoimmune skin diseases. Between March 2018 and June 2021, 28 patients with autoimmune skin diseases received IVIg therapy, of whom 17 were longitudinally followed-up. None of the patients had evidence of active HBV infection prior to IVIg therapy. All patients (n = 17) had detectable anti-HBs antibodies and 12 patients had anti-HBc antibodies 4 weeks after commencing IVIg treatment. Passive antibody transfer seems the most likely interpretation. Nevertheless, complete serological hepatitis assessment should be performed to exclude a new infection. We recommend hepatitis screening before IVIg therapy to prevent diagnostic confusion which may arise due to passive antibody transfer.
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