This article (1) is being retracted at the request of the Clinical Cancer Research editors. The editors have been made aware that this article contains an extensive amount of direct duplication of text from articles that were previously published by the same author (2–4). In accordance with Journal policies on duplicate publication and to ensure that the research record is correct, the Clinical Cancer Research editors have decided to retract the article.

A copy of this retraction notice was sent to the last known email address for the author. The author agreed to this retraction.

1.
McDermott
DF
. 
Update on the application of interleukin-2 in the treatment of renal cell carcinoma
.
Clin Cancer Res
2007
;
13
(
2 Suppl
):
716s
720s
.
2.
McDermott
DF
,
Atkins
MB
. 
Interleukin-2 therapy of metastatic renal cell carcinoma–predictors of response
.
Semin Oncol
2006
;
33
:
583
7
.
3.
McDermott
DF
,
Regan
MM
,
Atkins
MB
. 
Interleukin-2 therapy of metastatic renal cell carcinoma: update of phase III trials
.
Clin Genitourin Cancer
2006
;
5
:
114
9
.
4.
McDermott
DF
,
Atkins
MB
. 
Application of IL-2 and other cytokines in renal cancer
.
Expert Opin Biol Ther
2004
;
4
:
455
68
.