Metastatic Pancreatic Cancer Clinical Trial
— GEMOfficial title:
A Phase II, Randomized, Placebo Controlled Study to Evaluate the Efficacy of the Combination of Gemcitabine, Erlotinib and Metformin in Patients With Locally Advanced and Metastatic Pancreatic Cancer
Verified date | April 2021 |
Source | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Pancreatic cancer patients have one of the worst prognoses among all cancer types with a 5 year survival rate of less than 5%. Despite significant changes during the last decade in our molecular knowledge on this disease, the prognosis and management of pancreatic cancer have remained unchanged. With the advances in molecular biology, newer biologic agents such as erlotinib, are adding some benefit to the conventional cytotoxic agents. There is a growing body of literature suggesting that type 2 diabetes mellitus (DM) may be associated with the development of pancreatic cancer, but this association is complex. Because various DM medications can affect directly the key factors mediating the association between DM and pancreatic cancer, understanding the effect of anti-diabetic therapies on pancreatic cancer is a critical step in fully characterizing the role of type 2 DM in the development of pancreatic cancer. Indeed, two epidemiologic studies have found that diabetic patients treated with metformin were less likely to develop cancer, but those treated with insulin were more likely to die of various kinds cancer. Not only does metformin ameliorate hyperglycemia and hyperinsulinemia, both of which are associated with the adverse impact of DM on cancer, metformin also has direct metabolic effects through activation of adenosine monophosphate-activated protein kinase (AMPK). AMPK regulates many metabolic enzymes and also inhibits the mammalian target of rapamycin (mTOR) pathway via phosphorylation and stabilization of the tumor suppressor gene TSC2. But there is an intensive cross-talk between various pathways. Inhibition of the phosphoinositide 3-kinase (PI3K)/Akt pathway, of which mTOR is one of the effector proteins, for instance may result in escape via the mitogen-activated protein kinase (MAPK) pathway and vice verse. Indeed, epidermal growth factor receptor (EGFR) activation leads to activation of the MAPK pathway and the PI3K pathway. Thus, since it is clear that blocking one pathway will not always be sufficient to produce a response in the presence of other activated pathways, the best change of success will be realized when using a combination of agents that inhibit separate pathways known to be critical to the survival of the tumour. In line with these observations, combining a small molecule against the EGFR and inhibition of the PI3K pathway by metformin might account for potential candidates of the above combinatorial approach. Therefore, in this study, the investigators want to determine the activity and safety of concurrent interruption of the MAPK and PI3K pathways by the EGFR tyrosine kinase inhibitor erlotinib and metformin, combined with gemcitabine in patients with metastatic pancreatic cancer.
Status | Completed |
Enrollment | 120 |
Est. completion date | April 2014 |
Est. primary completion date | February 2014 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility | Inclusion Criteria: - Signed informed content obtained prior to treatment - Cytological or histological confirmed carcinoma of the pancreas - Metastatic cancer - Measurable lesion according to RECIST criteria - ECOG/ WHO performance 0-2 - Age > 18 years - Adequate renal function (creatinine < 150 µmol/L and/ or a creatinine clearance > 60 ml/ L) - Adequate liver function (bilirubin < 1.5 times upper limit of normal, ALAT or ASAT < 5.0 times upper limit of normal in case of liver metastases and < 2.5 the upper limit of normal in absence of liver metastases). - Adequate bone marrow function (WBC > 3.0 x 10 9/L, platelets > 100 x 10 9/L) - Mentally, physically, and geographically able to undergo treatment and follow up Exclusion Criteria: - Clinical or radiological evidence of CNS metastases - Pregnancy (positive serum pregnancy test) and lactation - Serious concomitant systemic disorder that would compromise the safety of the patient, at the discretion of the investigator - Patients who have any severe and/or uncontrolled medical conditions: - unstable angina pectoris, symptomatic congestive heart failure, myocardial infarction = 6 months prior to randomization, serious uncontrolled cardiac arrhythmia - uncontrolled diabetes as defined by fasting serum glucose >2X ULN. - active or uncontrolled severe infection. - cirrhosis, chronic active hepatitis or chronic persistent hepatitis - severely impaired lung function - Previous treatment with erlotinib - Previous treatment with gemcitabine for metastatic disease - Previous treatment with gemcitabine combined with radiotherapy for locally advanced pancreatic cancer within 6 months prior to study entry - Patients with a known hypersensitivity to metformin - Use of metformin in the previous 6 months |
Country | Name | City | State |
---|---|---|---|
Netherlands | Academic Medical Center | Amsterdam |
Lead Sponsor | Collaborator |
---|---|
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Survival after 6 months | 6 months after completion of the study | ||
Secondary | Progression free survival | 6 months after the completion of the study | ||
Secondary | Objective response rate | expected treatment duration 2- 6 months | ||
Secondary | toxicity profile | during study and 4 weeks after stop study medication |
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