Analysis of hepatitis B surface antibody titers in B cell lymphoma patients after rituximab therapy.
Summary of "Analysis of hepatitis B surface antibody titers in B cell lymphoma patients after rituximab therapy."
Hepatitis B virus (HBV) reactivation is a well-known complication after rituximab therapy in patients with B cell lymphoma. Traditionally, hepatitis B surface antibody (anti-HBs) is a protective antibody, but the effect of rituximab on these antibodies has not been well studied. In 29 B cell lymphoma patients who were positive for anti-HBs before rituximab therapy, anti-HBs serologies before and after rituximab therapy were compared. Anti-HBs titers after rituximab treatment were significantly lower (P < 0.001) than those before treatment. None of the ten cases with pre-treatment anti-HBs titers above 100 mIU/mL became negative for anti-HBs after rituximab therapy. In contrast, 8 of the 19 patients with pre-treatment anti-HBs titers below 100 mIU/mL lost their anti-HBs (P = 0.027). Of these, one patient developed HBsAg seroreversion and HBV reactivation after rituximab therapy. Regarding patients with loss of anti-HBs or not, there was no significant difference in pre- and post-treatment immunoglobulin G levels between both groups. The rate of anti-HBs loss increased with advanced lymphoma stage and international prognostic index (P = 0.002 and <0.001, respectively). Multiple logistic regression analysis showed that pre-treatment anti-HBs titer is the only independent factor influencing the loss of anti-HBs (per one log mIU/mL, odds ratio, 0.003; 95% confidence interval, 0.000-0.302; P = 0.014). In conclusion, we found that anti-HBs titers decreased significantly (P < 0.001) after rituximab treatment. B cell lymphoma patients with low pre-treatment anti-HBs titers (<100 mIU/mL) were more likely to lose anti-HBs antibodies and were at risk of HBV reactivation after rituximab immunochemotherapy.
Division of Hema-Oncology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
This article was published in the following journal.
Name: Annals of hematology
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22273839
- DOI: http://dx.doi.org/10.1007/s00277-012-1405-6
Medical and Biotech [MESH] Definitions
INFLAMMATION of the LIVER in humans caused by HEPATITIS DELTA VIRUS, a defective RNA virus that can only infect HEPATITIS B patients. For its viral coating, hepatitis delta virus requires the HEPATITIS B SURFACE ANTIGENS produced by these patients. Hepatitis D can occur either concomitantly with (coinfection) or subsequent to (superinfection) hepatitis B infection. Similar to hepatitis B, it is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact.
B-cell lymphoid tumors that occur in association with AIDS. Patients often present with an advanced stage of disease and highly malignant subtypes including BURKITT LYMPHOMA; IMMUNOBLASTIC LARGE-CELL LYMPHOMA; PRIMARY EFFUSION LYMPHOMA; and DIFFUSE, LARGE B-CELL, LYMPHOMA. The tumors are often disseminated in unusual extranodal sites and chromosomal abnormalities are frequently present. It is likely that polyclonal B-cell lymphoproliferation in AIDS is a complex result of EBV infection, HIV antigenic stimulation, and T-cell-dependent HIV activation.
Human T-lymphotropic Virus 1
A strain of PRIMATE T-LYMPHOTROPIC VIRUS 1 isolated from mature T4 cells in patients with T-lymphoproliferation malignancies. It causes adult T-cell leukemia (LEUKEMIA-LYMPHOMA, T-CELL, ACUTE, HTLV-I-ASSOCIATED), T-cell lymphoma (LYMPHOMA, T-CELL), and is involved in mycosis fungoides, SEZARY SYNDROME and tropical spastic paraparesis (PARAPARESIS, TROPICAL SPASTIC).
The in vitro formation of clusters consisting of a cell (usually a lymphocyte) surrounded by antigenic cells or antigen-bearing particles (usually erythrocytes, which may or may not be coated with antibody or antibody and complement). The rosette-forming cell may be an antibody-forming cell, a memory cell, a T-cell, a cell bearing surface cytophilic antibodies, or a monocyte possessing Fc receptors. Rosette formation can be used to identify specific populations of these cells.
Hepatitis B Antigens
Antigens of the virion of the HEPATITIS B VIRUS or the Dane particle, its surface (HEPATITIS B SURFACE ANTIGENS), core (HEPATITIS B CORE ANTIGENS), and other associated antigens, including the HEPATITIS B E ANTIGENS.
The available information about maintaining effective immunity after hepatitis B virus (HBV) vaccination in dialysis patients is limited. The aim of this study was to determine whether a difference ex...
BACKGROUND: The Centers for Disease Control and Prevention recommend immunizing susceptible high-risk groups, such as hemodialysis patients, against hepatitis B virus. However, hemodialysis patients m...
PURPOSE Recently, there have been reports of hepatitis B virus (HBV) reactivation after rituximab combination chemotherapy in hepatitis B surface antigen (HBsAg) -negative patients with B-cell lymphom...
We performed a large case-control study (3,932 cases, 15,562 controls) to investigate the association of hepatitis B virus (HBV) and hepatitis C virus (HCV) with hematopoietic malignancies in Korea, w...
We quantified antibody responses to the hepatitis C virus (HCV) proteome that are associated with sustained virologic response (SVR) in human immunodeficiency virus (HIV)/HCV-coinfected patients treat...
Individuals with resolved hepatitis B, characterized as hepatitis B surface antigen (HBsAg)-negative and hepatitis B core antibody-positive, have latent hepatitis B virus (HBV) infection i...
This is a single-arm study. Key eligibility criteria include (1) newly diagnosed, diffuse large B-cell or follicular cell non-Hodgkin's lymphoma; (2) negative test for hepatitis B surface...
The primary purpose of this study is to evaluate the efficacy of adefovir (ADV) in preventing de novo Hepatitis B in patients who receive Hepatitis B core antibody (HBcAb) positive grafts...
RATIONALE: Monoclonal antibodies can locate cancer cells and either kill them or deliver cancer-killing substances to them without harming normal cells. PURPOSE: Phase I trial to study th...
To investigate safety and antitumor activity of SGN-30 in patients with Hodgkin's Disease and anaplastic large cell lymphoma (ALCL). As of March 22, 2005, interim analysis of the Hodgkin'...