Clinical Immunology Society

Ibritumomab tiuxetan

Summary

Ibrutumomab tiuxetan is an adduct of a murine monoclonal antibody ibrutumomab which targets the B-cell CD20 surface antigen (present on most non-Hodgkins Lymphoma tumor cells) and the linker-chelator tiuxetan for binding the radioisotopes Indium-111 or Yttrium-90. Ibrutumomab tiuxetan has received regulatory approval in the US and Europe for the radioimmunotherapy (RIT) of CD20 positive, relapsed or refractory, low-grade or follicular B-cell non-Hodgkin’s lymphoma. Indications include patients with rituximab refractory follicular non-Hodgkin’s lymphoma,  used in combination with rituximab.

Brand Name

Zevalin

Other Names

None

Molecular Target

CD20

Molecular Structure

murine IgG1κ monoclonal antibody, conjugated to a chelator (tiuxetan) for labeling with Indium-111 or Yttrium-90

Licensed Indication, Major Target Diseases

non-Hodgkins Lymphoma (CD20 positive, low-grade or follicular) which is relapsed or refractory to rituximab, in combination with rituximab 

Manufacturer/Distributor

Cell Therapeutics
Biogen Idec

References

 Source  Link  Revision Date
 Access Date
Zevalin Prescribing Information
http://www.zevalin.com/HealthCarePro...lthCarePro.htm  2008-March 2008-June-03
Emmanouilides C. Radioimmunotherapy for non-hodgkin lymphoma : historical perspective and current status. J Clin Exp Hematop. 2007 Nov;47(2):43-60. Review
http://www.jstage.jst.go.jp/article/...47_43/_article

2008-June-03
Witzig TE, Flinn IW, et al. Treatment with ibritumomab tiuxetan radioimmunotherapy in patients with rituximab-refractory follicular non-Hodgkin's lymphoma. J Clin Oncol. 2002 Aug 1;20(15):3262-9
http://www.ncbi.nlm.nih.gov/pubmed/12149300

2008-June-03
Witzig TE, Molina A, et al. Long-term responses in patients with recurring or refractory B-cell non-Hodgkin lymphoma treated with yttrium 90 ibritumomab tiuxetan. Cancer. 2007 May 1;109(9):1804-10
http://www3.interscience.wiley.com/c...6800/HTMLSTART

2008-June-03
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