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Metformin Combined With Gemcitabine as Adjuvant Therapy for Pancreatic Cancer After Curative Resection

NCT02005419 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 300

Last updated 2019-02-05

No results posted yet for this study

Summary

Pancreatic cancer represents the most lethal of the common malignancies with a 5-year survival rate of less than 5%. For patients who are eligible for potentially curative resection, despite mortality and morbidity rates after surgery have improved, the recurrence rate is up to 85% within 2 years. Data from clinical trials indicate that adjuvant chemotherapy enhances 5-year survival to \~25% for patients who have undergone surgery to remove their tumor; and gemcitabine is the standard regimen of chemotherapy. Metformin is the first-line treatment for type 2 diabetes mellitus. Literatures reported that metformin might inhibit tumor growth by blocking some enzymes needed for cell growth. Some retrospective studies have revealed that diabetic patients taking metformin were less likely to develop pancreatic cancer. Additionally, pancreatic cancer patients treated with metformin showed a better survival than those without metformin. In this study, the researchers intend to investigate the activity and safety of the combination of gemcitabine and metformin in treating patients with pancreatic cancer that have removed by surgery.

Conditions

  • Stage IA Pancreatic Adenocarcinoma
  • Stage IB Pancreatic Adenocarcinoma
  • Stage IIA Pancreatic Adenocarcinoma
  • Stage IIB Pancreatic Adenocarcinoma

Interventions

DRUG

Gemcitabine

Patients receive gemcitabine 1000 mg/m\^2 (iv, 30 minutes) on days 1, 8, and 15 for 3 weeks, followed by one week without treatment, and also receive placebo (Arm I)/ metformin (Arm II) on days 1-28. Treatment repeats every 4 weeks for up to 6 circles in the absence of disease recurrence or unacceptable toxicity.

DRUG

Metformin

Metformin will be administered at a dose of 500 mg twice daily. If well tolerated, the dose will be increased to 1000 mg twice daily in the second week. Treatment repeats every 4 weeks (2 g on days 1-28) for up to 6 circles in the absence of disease recurrence or unacceptable toxicity.

DRUG

placebo

Placebo will be administered at a dose of 500 mg twice daily. If well tolerated, the dose will be increased to 1000 mg twice daily in the second week. Treatment repeats every 4 weeks (2 g on days 1-28) for up to 6 circles in the absence of disease recurrence or unacceptable toxicity.

Sponsors & Collaborators

  • Xian-Jun Yu

    lead OTHER

Principal Investigators

  • Xianjun Yu, M.D., Ph.D. · Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center; Shanghai Pancreatic Cancer Institute; Pancreatic Cancer Institute, Fudan University. Shanghai, China.

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2013-12-31
Primary Completion
2017-02-28
Completion
2017-12-31

Countries

  • China

Study Locations

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Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02005419 on ClinicalTrials.gov