Dynamic Changes of Sera Immunoglobulin G4 & Interleukin-10 in the Patients

Status Recruiting

Clinical Trial Summary

Investigators have previously found that the infiltration of immunoglobulin G4(IgG4) positive plasma cells in tumor tissue predicts a poor prognosis of pancreatic cancer after curative resection. Investigators further attempt to explore the possible roles of IgG4 and the inducer of IgG4, interleukin-10(IL-10), in the chemotherapy of pancreatic cancer. In this primary study, investigators plan to observe the dynamic changes of sera IgG4 and IL-10 in peripheral blood after gemcitabine-based chemotherapy and analyze the correlations of IgG4 and IL-10 with the response of gemcitabine and overall survival of pancreatic cancer.

Clinical Trial Description

Human immunoglobulin G(IgG) is a family consisting of four members, IgG1, IgG2, IgG3 and IgG4.IgG4 is regarded as an inhibitory IgG which can inhibit the activation of immune responses[1]. Recently it was reported that IgG4 could weaken the activation of macrophages to promote cancer progression[2]. Autoimmune pancreatitis(AIP) is the most common clinical manifestation of IgG4-related sclerosing diseases(IRSD) which is characterized by abundant infiltration of IgG4 positive plasma cells[3].Although there are abundant infiltrations of IgG4 positive plasma cells in pancreatic lesion of AIP, the correlation of IgG4 positive plasma cells with pancreatic cancer has never been reported.Investigators have previously found that higher level of infiltration of IgG4 positive plasma cells in tumor tissue predicts a poor prognosis of pancreatic cancer after curative resection(not published).Investigators further attempt to explore the possible roles of IgG4 and the inducer of IgG4, IL-10, in the chemotherapy of pancreatic cancer.Since gemcitabine is the first line chemotherapeutic drug for pancreatic cancer, in this primary study,investigators plan to observe the dynamic changes of sera IgG4 and IL-10 in peripheral blood after gemcitabine-based chemotherapy and analyze the correlations of IgG4 and IL-10 with the response of gemcitabine and overall survival of pancreatic cancer. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02654288
Study type	Observational
Source	Peking Union Medical College Hospital
Contact	Qiaofei Liu, MD
Phone	86-15201693370
Email	qfliu@aliyun.com
Status	Recruiting
Phase	N/A
Start date	January 2016
Completion date	January 2019

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Dynamic Changes of Sera Immunoglobulin G4 and Interleukin-10 in the Patients of Pancreatic Cancer After Chemotherapy

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms