Overview of studies investigating the efficacy of using MEK inhibitors combined with hydroxychloroquine in pre-treated patients

Tumor typeStudy designNumberMEK inhibitorEndpointsReference
Biliary tract cancerPhase II trial2TrametinibPFS: 2.48 months;
OS: 3.1 months.
[32]
Colorectal cancerCase report1Binimetinib (+ bevacizumab)Best response: stable disease;
Duration: approximately 4 months.
[28]
Pancreatic cancerCase report1TrametinibBest response: partial response;
Duration: approximately 4 months.
[26]
Pancreatic cancerCase report2TrametinibBest response: stable disease;
Duration: approximately 4 months and 7 months.
[33]
Pancreatic cancerCase report1TrametinibBest response: stable disease;
Duration: approximately 7 months.
[34]
Pancreatic cancerCase report1TrametinibBest response: progressive disease;
Duration: approximately 2 months.
[35]
Pancreatic cancerRetrospective 9TrametinibDCR: 63%;
PFS: 5.7 months;
OS: 6.6 months.
[20]
1Cobimetinib
Pancreatic cancerRetrospective 8TrametinibBest response: stable disease (16.7%);
PFS: 2.0 months;
OS: 4.2 months.
[16]
NSCLCPhase II trial9BinimetinibBest response: stable disease (11.1%);
PFS: 1.9 months;
OS: 5.3 months.
[18]

NSCLC: non-small cell lung cancer; DCR: disease control rate; PFS: progression-free survival; OS: overall survival