- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02294006
Activity and Safety of Everolimus+Octreotide LAR+Metformin in Advanced Pancreatic Well-differentiated NETs (MetNET1)
Activity and Safety of Everolimus in Combination With Octreotide LAR and Metformin in Patients With Advanced Pancreatic Well-differentiated Neuroendocrine Tumors (pWDNETs): a Phase II, Open, Monocentric, Prospective Study
Abnormal PI3K-Akt-mTOR (mammalian target of rapamycin) pathway signaling and autocrine activation of the mTOR pathway, mediated through insulin-like growth factor 1 (IGF1), has been implicated in the proliferation of pNET ( primitive neuroectodermal tumor) cells. Everolimus ,an mTOR inhibitor (a central regulator of growth/proliferation, cellular metabolism and angiogenesis) has shown antitumor benefit in pNETs alone and in combination with Octreotide LAR in RADIANT-1 and RADIANT-3 studies.
Despite EVE-based phase II/III trials improve progression-free survival (PFS) for pNETs, they are limited to significantly prolong overall survival (OS). Metformin has recently shown some anti-cancer activity, both in vitro and in vivo studies by antisecretory properties to decrease insulin and IGF1 levels; and by antitumor effect due to AMPK (adenosine monophosphate kinase) activation and consequently inhibition to TSC1(tuberous sclerosis complex 1) -2/mTOR complex, mediated to LKB1 oncogene expression. The investigators retrospective experience, despite in a limited group of pWDNET, highlights the role of MET to improve clinical benefit in diabetic pts receiving EVE-OCT (octreotide) combination.
This study will investigate the antiproliferative potential of MET in combination with EVE and OCT in pWDNETs. MetNET1 prospective trial (EudraCT 2014-000888-41) may be helpful to either confirm or discard these preliminary findings.
The main objective of this study is to evaluate progression free survival rate at 12 months of treatment. The secondary objectives are safety, overall survival, response rate evaluation.
A sub-study analysis will evaluate circulant biomarkers levels (IL 6, IGF1) in blood samples.
Study Overview
Status
Intervention / Treatment
Detailed Description
Abnormal PI3K-Akt-mTOR (mammalian target of rapamycin) pathway signaling and autocrine activation of the mTOR pathway, mediated through insulin-like growth factor 1 (IGF1), has been implicated in the proliferation of pNET ( primitive neuroectodermal tumor) cells. Everolimus ,an mTOR inhibitor (a central regulator of growth/proliferation, cellular metabolism and angiogenesis) has shown antitumor benefit in pNETs alone and in combination with Octreotide LAR in RADIANT-1 and RADIANT-3 studies.
Despite EVE-based phase II/III trials improve progression-free survival (PFS) for pNETs, they are limited to significantly prolong overall survival (OS). Metformin has recently shown some anti-cancer activity, both in vitro and in vivo studies by antisecretory properties to decrease insulin and IGF1 levels; and by antitumor effect due to AMPK (adenosine monophosphate kinase) activation and consequently inhibition to TSC1(tuberous sclerosis complex 1) -2/mTOR complex, mediated to LKB1 oncogene expression. The investigators retrospective experience, despite in a limited group of pWDNET, highlights the role of MET to improve clinical benefit in diabetic pts receiving EVE-OCT (octreotide) combination.
This study will investigate the antiproliferative potential of MET in combination with EVE and OCT in pWDNETs. MetNET1 prospective trial (EudraCT 2014-000888-41) may be helpful to either confirm or discard these preliminary findings.
The main objective of this study is to evaluate progression free survival rate at 12 months of treatment. The secondary objectives are safety, overall survival, response rate evaluation.
A sub-study analysis will evaluate circulant biomarkers levels (IL 6, IGF1) in blood samples.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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-
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Milano, Italy, 20133
- Fondazione IRCCS Istituto Tumori Milano
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Signature of written informed consent (approved by the Institutional Ethics Committee Independent ) obtained after a careful study of screening procedures
- Age >= 18 years old.
- Patients with histological evidence of pNET well-differentiated G1 -G2
- Configurable tumor disease (according to RECIST (Response Evaluation Criteria In Solid Tumors) ) .
- Karnofsky Performance Status >= 60%.
- Life expectancy greater than 6 months.
- Is permitted to enroll patients who have not received any treatment for advanced disease or patients pretreated with surgery , chemotherapy or somatostatin analogues .
Basal blood tests :
- Counts of neutrophils in absolute value > 1.5 x 109 / L.
- Platelet count > 100 x 109 / L.
- Hemoglobin > 9 g / dl .
- Total Bilirubin < 1.5 times the upper limit of normal .
- AST( aspartate aminotransferase), ALT (alanine aminotransferase)<2.5 times the upper limit of normal in patients without evidence of liver metastases.
- AST, ALT <2.5 times the upper limit of normal in patients with evidence of liver metastases.
- Alkaline phosphatase <2.5 times the upper limit of normal in patients with evidence of hepatic metastases
- Values of serum creatinine < 1.5 mg / dl. - CCr ( Creatinine Clearance rate) ≥ 60 mL / min 9 . During the study of male and female patients must use adequate contraceptive methods .
Exclusion Criteria:
- Patients with histological evidence of malignant insulinoma ( pNET )
- Surgeries performed within 28 days prior to the start of treatment.
- Evidence of metastasis at the level of the central nervous system or spinal cord compression . Patients should be subjected to a recent study MRI or CT scan at least 28 days from the date of randomization.
- Clinically significant cardiovascular disease , such as cardiovascular accidents occurred in less than 6 months, unstable angina , congestive heart failure grade greater than or equal to II according to the classification of the New York Heart Association (NYHA) series cardiac arrhythmias that require treatment.
- Important comorbidities , metabolic disorders , clinical examination or laboratory investigations , which contraindicate the use of drugs to study, or patients at high risk of complications from the treatment.
- Active or uncontrolled severe infections .
- Cirrhosis , acute hepatitis or chronic active hepatitis .
- Poor control of diabetes HbA1c > = 8.0 % .
- Diabetic patients who are treated with metformin are eligible if they have enabled the treatment with metformin for less than 6 months. Are excluded diabetic patients who make use of other hypoglycemic agents such as sulfonylureas, insulin , glinides as monotherapy or in combination with metformin.
- Using anti - IL6 (Interleukin 6) or IGF1 .
- Uncontrolled high blood pressure , atrial fibrillation .
- History of immunosuppression included positive HIV test .
- No previous or concomitant oncological pathology , except: basal cell skin cancer, in situ , as long as every other cancer patient diseasefree for at least 5 years.
- They excluded patients with a condition of metabolic acidosis , acute or chronic , including ketoacidosis .
- History of alcohol abuse , or habitual intake of alcohol (≥ 3 glasses of alcoholic drinks / day) sufficient to cause hepatotoxicity.
- Prolonged fasting .
- Severe states of dehydration.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: everolimus+octreotide LAR+metformin
|
Everolimus plus Octreotide LAR plus Metformin
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
to determine the progression free survival rate (PFS) at 12 months from the first drug administration in patients with advanced pancreatic neuroendocrine tumors
Time Frame: 1 year
|
progression free survival rate at 12th month of treatment, according to RECIST criteria version 1.0
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1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
to determine the safety and tolerability of the combination of Everolimus, Octreotide LAR and Metformin as measured according to the National cancer Institute-Common Toxicity Criteria v. 3.0 guidelines
Time Frame: 1 year
|
safety is measured according to the National cancer Institute-Common Toxicity Criteria v. 3.0 guidelines
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1 year
|
to determine the overall survival of the combination of Everolimus, Octreotide LAR and Metformin.
Time Frame: 3 years
|
overall survival is defined as the time interval between enrollment and the date of the death from any cause.
|
3 years
|
to determine the response rate of the combination of Everolimus, Octreotide LAR and Metformin.
Time Frame: 1 year
|
response rate is defined as the percentage of patients presenting objective responce of the disease, according to RECIST Criteria version 1.0.
|
1 year
|
to determine the biochemical response of the combination of Everolimus, Octreotide LAR and Metformin.
Time Frame: 1 year
|
the biochemical response is defined as the impact of study treatment on general neuroendocrine tumors biomarkers, Chromogranine A and Enolase neuron specific and circulating plasma IL6, IL8 and IGF-1 levels.
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1 year
|
Collaborators and Investigators
Investigators
- Principal Investigator: Filippo De Braud, MD, INT MILANO
- Principal Investigator: Roberto Buzzoni, MD, INT MILANO
- Principal Investigator: Sara Pusceddu, MD, INT MILANO
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Ist Nazionale Tumori Milano
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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