Safety and Efficacy of CBX129801 in Patients With Type 1 Diabetes

NCT ID: NCT01681290

Last Updated: 2015-01-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

250 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-10-31

Study Completion Date

2015-01-31

Brief Summary

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The purpose of the study is to determine the beneficial effects of CBX129801 (PEGylated synthetic human C-peptide) following weekly subcutaneous administration for 12 months in type 1 diabetes mellitus patients (T1DM) with mild to moderate diabetic peripheral neuropathy (DPN).

Detailed Description

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Conditions

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Diabetic Peripheral Neuropathy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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CBX129801 High Dose

Solution for injection, 2.4 mg, weekly for 52 weeks

Group Type EXPERIMENTAL

CBX129801

Intervention Type DRUG

CBX129801 Low Dose

Solution for injection, 0.8 mg, weekly for 52 weeks

Group Type EXPERIMENTAL

CBX129801

Intervention Type DRUG

Placebo

Solution for injection, vehicle with no active, weekly for 52 weeks

Group Type PLACEBO_COMPARATOR

No interventions assigned to this group

Interventions

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CBX129801

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Give informed consent;
* 18-65 years old;
* Have type 1 diabetes mellitus for a minimum of 5 years, with a stable diabetic regimen (for at least 3 months);
* Have clinical signs of diabetic peripheral neuropathy at screening;
* Have abnormal sural nerve conduction observed bilaterally during screening;
* Be C-peptide deficient;
* Be in good general health (besides having type 1 diabetes mellitus);
* Practice effective contraception during and for at least 12 weeks after study participation;
* Have a body mass index (BMI) ≥18.0 and \<35.0 kg/m2.

Exclusion Criteria

* Any significant cardiovascular, hematological, lymphatic, immunologic, urologic, dermatologic, psychiatric, renal, hepatic, pulmonary, endocrine (except for diabetes mellitus), central nervous, gastrointestinal, or other major disease;
* Unstable or inadequate glucose control;
* Any clinically significant laboratory value at screening;
* Occurrence of a severe, unexplainable hypoglycemic event (defined as requiring the assistance of another individual) within 6 months of Day 0, or recurrent episodes of non-severe hypoglycemia (≥3 per week on average) that are deemed clinically significant by the Investigator;
* Have had an islet cell, kidney, and/or pancreas transplant;
* If female, is pregnant or lactating;
* History of alcohol or substance abuse within 2 years;
* Positive screen for hepatitis B, hepatitis C antibody, or human immunodeficiency virus (HIV) antibody;
* Initiation of treatment or change of dose of medication that could affect peripheral nerve function within 60 days;
* Previous treatment with CBX129801 or unmodified C-peptide;
* Receipt of an investigational product or therapeutic device, or participation in a drug research study, within a period of 30 days;
* Chronic use of oral steroids or use of Ampyra (dalfampridine) within 60 days.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Cebix Incorporated

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Dennis Kim, MD

Role:

Chief Medical Officer

Locations

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Escondido, California, United States

Site Status

Fresno, California, United States

Site Status

Irvine, California, United States

Site Status

Los Angeles, California, United States

Site Status

San Diego, California, United States

Site Status

San Francisco, California, United States

Site Status

Torrance, California, United States

Site Status

Tustin, California, United States

Site Status

Walnut Creek, California, United States

Site Status

Atlanta, Georgia, United States

Site Status

Decatur, Georgia, United States

Site Status

Idaho Falls, Idaho, United States

Site Status

Boston, Massachusetts, United States

Site Status

Ann Arbor, Michigan, United States

Site Status

Butte, Montana, United States

Site Status

Omaha, Nebraska, United States

Site Status

Las Vegas, Nevada, United States

Site Status

New York, New York, United States

Site Status

Dallas, Texas, United States

Site Status

Houston, Texas, United States

Site Status

Houston, Texas, United States

Site Status

San Antonio, Texas, United States

Site Status

Toronto, Ontario, Canada

Site Status

Laval, Quebec, Canada

Site Status

Gothenburg, , Sweden

Site Status

Linköping, , Sweden

Site Status

Malmo, , Sweden

Site Status

Stockholm, , Sweden

Site Status

Umeå, , Sweden

Site Status

Countries

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United States Canada Sweden

References

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Wahren J, Foyt H, Daniels M, Arezzo JC. Long-Acting C-Peptide and Neuropathy in Type 1 Diabetes: A 12-Month Clinical Trial. Diabetes Care. 2016 Apr;39(4):596-602. doi: 10.2337/dc15-2068. Epub 2016 Feb 16.

Reference Type DERIVED
PMID: 26884473 (View on PubMed)

Other Identifiers

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CBX129801-DN-201

Identifier Type: -

Identifier Source: org_study_id