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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Oncoimmunology
2017 ; 6
(10
): e1344805
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Incidence of immune checkpoint inhibitor-related colitis in solid tumor patients:
A systematic review and meta-analysis
#MMPMID29123955
Wang DY
; Ye F
; Zhao S
; Johnson DB
Oncoimmunology
2017[]; 6
(10
): e1344805
PMID29123955
show ga
Background: With the rising use of immune checkpoint inhibitors (ICI) across
varying tumors types, immune-related colitis is an increasingly encountered,
serious adverse event requiring appropriate management. The incidence across ICI
treatment regimens and tumor types is unclear. Objective: To characterize the
incidence of immune-related colitis among various ICI regimens and tumor types.
Methods: Thirty-four original studies of prospective ICI trials were identified
based on a PubMed search completed on November 1st, 2016. Seventeen studies
compared incidences across tumor types. The incidences of all-grade, grade 3-4
(severe) colitis, and grade 3-4 (severe) diarrhea were collected. Results:
Thirty-four studies containing 8863 patients were included in the meta-analysis.
The overall incidence during ipilimumab monotherapy was 9.1% for all-grade
colitis, 6.8% for severe colitis, and 7.9% for severe diarrhea. The incidence was
lowest during PD-1/PD-L1 inhibitor monotherapy with 1.3% for all-grade colitis,
0.9% for severe colitis and 1.2% for severe diarrhea, while combination
ipilimumab and nivolumab resulted in the highest incidences of all-grade colitis
(13.6%), severe colitis (9.4%) and severe diarrhea (9.2%) among ICIs. Among
melanoma, NSCLC, RCC patients, incidences of colitis and diarrhea with PD-1/PD-L1
inhibitor monotherapy did not significantly differ. Severe colitis incidence was
similar with ipilimumab monotherapy at 3 mg/kg and 10 mg/kg (7.1% vs 5.1%,
respectively), but significantly higher for severe diarrhea with 10mg/kg (11.5%
vs 5.2%). Conclusions: The incidence of immune-related colitis and severe
diarrhea was higher with ipilimumab-containing regimens compared with PD-1/PD-L1
inhibitors. There was no significant difference in immune-related colitis between
different tumor types with PD-1/L1 inhibitors.