Ex Vivo Immunotherapy for Hyperglycemia in Type 2 Diabetes Mellitus (DISC)

January 12, 2016 updated by: Demao Yang, B & Y Technologies

Pilot Study of a Cell-Based Therapy for Treatment of Hyperglycemia in Type 2 Diabetes Mellitus

Diabetes mellitus type 2 is a long-term metabolic disorder that is primarily characterized by insulin resistance, relative insulin deficiency and hyperglycemia. Our hypotheses is that liver would be the primary organ responsible for the metabolic disorder because of some unknown defects, where sugar would not be efficiently converted to glycogen and fat, leading to hyperglycemia. The constant hyperglycemia would keep pressure on beta-cells in the pancreas to eventually exhaust their ability to produce and secret sufficient amount of insulin, exacerbating the disease. The Immunotherapy would enhance the liver functions and correct the abnormal sugar metabolism. In addition, the ex vivo activated cells produce and secret growth factors which would help endothelial cells of blood vessels to reproduce and grow, resulting in reduced arteriosclerosis.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

We plan to recruit 20 patients with type 2 diabetes mellitus who suffer hyperglycemia with or without medication. The patients will come to our hospitals for the treatment. A small amount of peripheral blood will be drawn and processed and cultured in our laboratory. The cultured cells (autologous) will be infused intravenously back to patients. Levels of plasma hemoglobin A1c (HbA1c) and other metabolic parameters before and after the therapy will be compared. The therapy is planned to take four weeks for each patient.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
25

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • China
    • Guangdong
      • Guangzhou, Guangdong, China, 510620
        • The 12th People's Hospital of Guangzhou
      • Shenzhen, Guangdong, China, 518001
        • The 12th People's Hospital of Shenzhen

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

25 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 1. Patients diagnosed with type 2 diabetes mellitus.
  • 2. 25 years of age or older. Both sexes.
  • 3. HbA1c ≧6.5% for more than 6 months with or without medication.
  • 4. Capability of providing informed consent.

Exclusion Criteria:

  • 1. History of malignancy.
  • 2. Patients with active infections.
  • 3. Seropositivity for HIV infection.
  • 4. History of myocardial infarction or unstable angina in the previous 3 months.
  • 5. Pregnancy or nursing.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: ex vivo activated immune cells
Up to 20 patients diagnosed with type 2 diabetes mellitus and hyperglycemia will be enrolled and assigned to a single treatment group. Patients will give a small amount of peripheral blood and the blood will be processed and cultured in our laboratory. The ex vivo activated autologous blood cells will be infused intravenously back to patients. The treatment will be done twice a week for consecutive 4 weeks. The metabolic parameters of patients before and after the therapy will be compared to determine if the therapy is safe and effective.
Drug: ex vivo Activated Immune Cells
The patients who take medication before the enrollment will be required to reduce at least half the amount of the medication before the treatment. The reduction of the medication will continue during and after the therapy until the levels of plasma hemoglobin A1c (HbA1c) increase to equal or above the levels of the baseline measured before the treatment.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Change from Baseline Hemoglobin A1c (HbA1c) at up to 27 weeks.
Time Frame: Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.
Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change from Baseline Lipid Profile at up to 27 weeks.
Time Frame: Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.
Lipid profile includes cholesterol, triglycerides, HDL cholesterol and LDL cholesterol.
Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change from Baseline Symptoms at up to 27 weeks.
Time Frame: Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.
The symptoms include insomnia, anorexia, fatigue, frequent trips to the bathroom, unquenchable thirst and blurred vision.
Point 1: The week (week 1) before the first cell infusion assessed as the baseline; Point 2: The week (week 6) after the last cell infusion; Point 3 and after: every 4 weeks up to 27 weeks.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
B & Y Technologies

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Guangzhou No.12 People's Hospital
The 12th People's Hospital of Shenzhen City

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Lingzhen Chen, MD, The 12th People's Hospital of Guangzhou.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 1, 2014

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 1, 2015

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
January 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 17, 2014

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 20, 2014

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 23, 2014

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 13, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 12, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
January 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • DISCOVER 1

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