Document Detail


Tumor necrosis factor alpha blockers and malignancy in children: forty-eight cases reported to the Food and Drug Administration.
MedLine Citation:
PMID:  20506368     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Malignancies reported in children using tumor necrosis factor alpha (TNFalpha) blockers have raised concerns of a potential increased risk. This study was undertaken to investigate postmarketing reports of malignancy in children treated with TNF blockers.
METHODS: The FDA's Adverse Event Reporting System was searched to identify malignancies associated with the use of infliximab, etanercept, and adalimumab in children in whom therapy was initiated between the ages of 0 and 18 years. The reporting rates for infliximab and etanercept were compared with the background rate of malignancy in the general pediatric population.
RESULTS: Forty-eight reports of malignancy in children were identified: 31 following infliximab use, 15 following etanercept use, and 2 following adalimumab use. Half of the malignancies reported were lymphomas and included both Hodgkin's and non-Hodgkin's lymphoma. The remaining reported cases involved a variety of different malignancies including leukemia, melanoma, and solid organ cancers. The majority of the reported cases (88%) involved the concomitant use of other immunosuppressants. Reporting rates for malignancy showed that infliximab had a consistently higher reporting rate when compared with background rates in the general pediatric population for lymphomas and all malignancies. The reporting rates for etanercept were elevated above background for lymphomas and were on par with background for all malignancies.
CONCLUSION: There is evidence that treatment with TNF blockers in children may increase the risk of malignancy. However, the cases were confounded by the potential risk of malignancy associated with underlying illnesses and the use of concomitant immunosuppressants; therefore, a clear causal relationship could not be established.
Authors:
Peter Diak; Jeffrey Siegel; Lois La Grenade; Lauren Choi; Steven Lemery; Ann McMahon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Arthritis and rheumatism     Volume:  62     ISSN:  1529-0131     ISO Abbreviation:  Arthritis Rheum.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-12     Completed Date:  2010-09-03     Revised Date:  2013-05-27    
Medline Journal Info:
Nlm Unique ID:  0370605     Medline TA:  Arthritis Rheum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2517-24     Citation Subset:  AIM; IM    
Affiliation:
Food and Drug Administration, Silver Spring, MD 20993, USA. peter.diak@fda.hhs.gov
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Antibodies, Monoclonal / adverse effects*,  therapeutic use
Antibodies, Monoclonal, Humanized
Arthritis, Juvenile Rheumatoid / therapy*
Child
Child, Preschool
Humans
Immunoglobulin G / adverse effects*,  therapeutic use
Immunosuppressive Agents / adverse effects
Infant
Neoplasms / etiology*
Receptors, Tumor Necrosis Factor / therapeutic use
Risk
Treatment Outcome
United States
United States Food and Drug Administration
Chemical
Reg. No./Substance:
0/Antibodies, Monoclonal; 0/Antibodies, Monoclonal, Humanized; 0/Immunoglobulin G; 0/Immunosuppressive Agents; 0/Receptors, Tumor Necrosis Factor; 0/infliximab; 185243-69-0/TNFR-Fc fusion protein; FYS6T7F842/adalimumab
Comments/Corrections
Comment In:
Arthritis Rheum. 2010 Aug;62(8):2183-4   [PMID:  20506203 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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