Cochrane · systematic review · CD006875

Second‐line systemic therapy for metastatic colorectal cancer

Mocellin, S, Baretta, Z, Roqué i Figuls, M, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

ColorectalAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
32
current version
GRADE rated
30
No studies
2
Included studies
NR
No studies 2 · 6.3%Ungraded 0 · 0%Very low 1 · 3.1%Low 4 · 12.5%Moderate 14 · 43.8%High 11 · 34.4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Modern chemotherapy regimens compared with 5‐flourouracil

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Modern chemotherapy regimens vs 5‐flourouracil
HR 0.69 [0.51, 0.94]1 study · 167 participantsModerate
Progression‐free survival
Modern chemotherapy regimens vs 5‐flourouracil
HR 0.59 [0.49, 0.73]2 studies · 470 participantsHigh
Overall tumour response
Modern chemotherapy regimens vs 5‐flourouracil
RR 2.96 [1.66, 5.27]3 studies · 866 participantsHigh
Severe adverse effects
Modern chemotherapy regimens vs 5‐flourouracil
RR 1.39 [1.22, 1.58]3 studies · 843 participantsModerate

Chemotherapy + bevacizumab compared with chemotherapy

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Chemotherapy + bevacizumab vs chemotherapy
HR 0.79 [0.7, 0.88]4 studies · 1723 participantsHigh
Progression‐free survival
Chemotherapy + bevacizumab vs chemotherapy
HR 0.67 [0.6, 0.75]4 studies · 1723 participantsHigh
Overall tumour response
Chemotherapy + bevacizumab vs chemotherapy
RR 1.72 [1.23, 2.43]4 studies · 1723 participantsHigh
Severe adverse effects
Chemotherapy + bevacizumab vs chemotherapy
RR 1.07 [0.93, 1.25]4 studies · 1708 participantsLow

Irinotecan‐based regimens compared with irinotecan

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Progression‐free survival
Irinotecan‐based regimens vs irinotecan
HR 0.68 [0.6, 0.76]6 studies · 2615 participantsModerate
Overall survival
Irinotecan‐based regimens vs irinotecan
HR 0.91 [0.79, 1.04]6 studies · 2615 participantsLow
Overall tumour response
Irinotecan‐based regimens vs irinotecan
RR 2.87 [2.1, 3.93]6 studies · 2577 participantsHigh
Severe adverse effects
Irinotecan‐based regimens vs irinotecan
RR 1.18 [0.96, 1.45]6 studies · 2510 participantsModerate

Irinotecan + oxaliplatin compared with irinotecan

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Irinotecan + oxaliplatin vs irinotecan
HR 0.78 [0.67, 0.9]1 study · 627 participantsModerate
Progression‐free survival
Irinotecan + oxaliplatin vs irinotecan
HR 0.6 [0.55, 0.66]1 study · 627 participantsModerate
Overall tumour response
Irinotecan + oxaliplatin vs irinotecan
RR 2.98 [1.91, 4.64]1 study · 627 participantsModerate
Severe adverse effects
Irinotecan + oxaliplatin vs irinotecan
RR 1.22 [1.09, 1.37]1 study · 627 participantsModerate

Chemotherapy compared with best supportive care

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Chemotherapy vs best supportive care
HR 0.58 [0.43, 0.8]1 study · 279 participantsModerate
Progression‐free survival
Chemotherapy vs best supportive care
no estimate extractedNRNo studies
Overall tumour response
Chemotherapy vs best supportive care
no estimate extractedNRNo studies
Severe adverse effects
Chemotherapy vs best supportive care
RR 1.19 [1.01, 1.4]1 study · 279 participantsModerate

FOLFIRI + targeted therapy compared with FOLFIRI

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
FOLFIRI + targeted therapy vs FOLFIRI
HR 0.84 [0.77, 0.91]6 studies · 3335 participantsHigh
Progression‐free survival
FOLFIRI + targeted therapy vs FOLFIRI
HR 0.78 [0.71, 0.87]6 studies · 3335 participantsHigh
Overall tumour response
FOLFIRI + targeted therapy vs FOLFIRI
RR 2.07 [1.31, 3.28]6 studies · 3192 participantsModerate
Severe adverse effects
FOLFIRI + targeted therapy vs FOLFIRI
RR 1.3 [1.17, 1.45]6 studies · 3341 participantsModerate

FOLFOX + targeted therapy compared with FOLFOX

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
FOLFOX + targeted therapy vs FOLFOX
HR 0.92 [0.82, 1.04]2 studies · 1432 participantsVery low
Progression‐free survival
FOLFOX + targeted therapy vs FOLFOX
HR 0.76 [0.66, 0.86]2 studies · 1432 participantsLow
Overall tumour response
FOLFOX + targeted therapy vs FOLFOX
RR 2.64 [1.71, 4.06]1 study · 578 participantsModerate
Severe adverse effects
FOLFOX + targeted therapy vs FOLFOX
RR 1.2 [1.13, 1.28]2 studies · 1414 participantsHigh

Irinotecan + targeted therapy compared with irinotecan

Population: people with metastatic CRC
4 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Irinotecan + targeted therapy vs irinotecan
HR 0.99 [0.88, 1.1]2 studies · 1758 participantsLow
Progression‐free survival
Irinotecan + targeted therapy vs irinotecan
HR 0.71 [0.64, 0.79]2 studies · 1758 participantsModerate
Overall tumour response
Irinotecan + targeted therapy vs irinotecan
RR 3.38 [2.53, 4.52]2 studies · 1758 participantsHigh
Severe adverse effects
Irinotecan + targeted therapy vs irinotecan
RR 1.44 [1.31, 1.59]2 studies · 1704 participantsHigh