Comparison of Two Basal Insulins for Patients With Type 2 Diabetes on Anti-Hyperglycemic Medications (IOPE) (IOPE)

October 12, 2010 updated by: Eli Lilly and Company

The PERSISTENT Trial: A Prospective Randomized Trial Comparing Insulin Lispro Protamine Suspension to Insulin Glargine in Patients With Type 2 Diabetes on Anti-hyperglycemic Medications

The purpose of this study is to examine the effectiveness and safety of insulin lispro protamine suspension (ILPS) as compared to insulin glargine as basal insulin therapy in adults with type 2 diabetes.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

471

Phase

  • Phase 3

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

  • Brazil
      • Brasilia, Brazil, 71625-009
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Fortaleza, Brazil, 60430-350
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Joinville, Brazil, 89201-260
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Sao Paulo, Brazil, 01244-030
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Canada
    • British Columbia
      • Victoria, British Columbia, Canada, V8R 6V4
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Puerto Rico
      • Ponce, Puerto Rico, 00716
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • United States
    • Arkansas
      • Jonesboro, Arkansas, United States, 72401
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • California
      • Huntington Park, California, United States, 90255
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Florida
      • Miami, Florida, United States, 33145
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Georgia
      • Atlanta, Georgia, United States, 30312
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Indiana
      • Indianapolis, Indiana, United States, 46222
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Kansas
      • Wichita, Kansas, United States, 67208
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Kentucky
      • Lexington, Kentucky, United States, 40502
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Louisiana
      • Slidell, Louisiana, United States, 70458
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • New Jersey
      • Toms River, New Jersey, United States, 08755
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • New York
      • Brooklyn, New York, United States, 11203
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • Washington
      • Tacoma, Washington, United States, 98405
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

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

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Have type 2 diabetes mellitus for at least 1 year.
  • Are greater than or equal to 18 years old.
  • Have been receiving oral antihyperglycemic medications (OAMs), without insulin, for at least 3 months immediately prior to the study and have been on stable doses of at least 2 of the following OAMs for the 6 weeks prior to Visit 1: Metformin- Sulfonylureas-Dipeptidyl peptidase-IV (DPP-IV) inhibitors-Thiazolidinediones (TZDs)
  • Have a hemoglobin A1c (HbA1c) greater than or equal to 7.5% and less than or equal to 10.0%, as measured by a central laboratory before Visit 2.
  • Body mass index (BMI) greater than or equal to 25 and less than or equal to 45 kg/meter squared.

Exclusion Criteria:

  • Have used insulin therapy (outside of pregnancy) any time in the past 2 years, except for short-term treatment of acute conditions, and up to a maximum of 4 weeks.
  • Have taken any glucose-lowering medications not included in Inclusion Criterion #3; (for example, acarbose, miglitol, pramlintide, exenatide, repaglinide, or nateglinide) in the past 3 months before Visit 1.
  • Have had more than 1 episode of severe hypoglycemia, within 6 months prior to entry into the study, or is currently diagnosed as having hypoglycemia unawareness.
  • Have had 2 or more emergency room visits or hospitalizations due to poor glucose control in the past 6 months.
  • Are pregnant or intend to become pregnant during the course of the study or are sexually active women of childbearing potential not actively practicing birth control by a method determined by the investigator to be medically acceptable.

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Lispro
Insulin Lispro protamine suspension: Patient adjusted dose, once daily (QD) or twice daily (BID), injected subcutaneous (SC) x 24 weeks
Drug: Insulin Lispro Protamine Suspension
Patient adjusted dose, once daily (QD) or twice daily (BID), injected subcutaneous (SC) x 24 weeks
Other Names:
  • Humalog
  • Insulin Lispro Protamine Suspension (ILPS)
  • Neutral Protamine Lispro (NPL)
Active Comparator: Glargine
Insulin glargine: Patient adjusted dose, once daily (QD), injected subcutaneous (SC) x 24 weeks
Drug: Insulin Glargine
Patient adjusted dose, once daily (QD), injected subcutaneous (SC) x 24 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change From Baseline to 24 Week Endpoint in Hemoglobin A1c (HbA1c)
Time Frame: Baseline, 24 Weeks
Baseline, 24 Weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Actual and Change From Baseline to 12 Week and 24 Week Endpoint in HbAlc Value
Time Frame: Baseline, 12 Weeks, 24 Weeks
Baseline, 12 Weeks, 24 Weeks
Percentage of Patients With HbAlc Less Than 7.0 Percent and HbAlc Less Than or Equal to 6.5 Percent at Endpoint
Time Frame: 24 weeks
Percentage of patients achieving Hemaglobin A1c (HbA1c) targets of less than 7% and less than or equal to 6.5% at endpoint.
24 weeks
Glycemic Variability at Endpoint
Time Frame: 24 weeks
Glycemic variability was measured by standard deviation (SD) value of fasting blood glucose as measured by intra-patient glycemic variability (determined by the 7-point self-monitoring blood glucose (SMBG) profiles at endpoint) based on the actual morning pre-meal blood glucose.
24 weeks
7-Point Self-Monitored Blood Glucose (SMBG) Profile at Endpoint
Time Frame: 24 weeks
Actual measurements and daily mean blood glucose levels at endpoint.
24 weeks
Number of Participants With Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe Hypoglycemia) Overall
Time Frame: Baseline to 24 weeks
Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level <7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe Hypoglycemia: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with either a Roche blood glucose value <2.8 millimoles/liter or prompt recovery after oral carbohydrate, glucagon, or intravenous glucose.
Baseline to 24 weeks
1-Year Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) Overall
Time Frame: Baseline to 24 weeks
Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level <7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value <2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 1-year adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 365.25 days.
Baseline to 24 weeks
30-Day Adjusted Rates of Self-Reported Hypoglycemic Episodes (Including All, Nocturnal, and Severe) Overall
Time Frame: Baseline to 24 Weeks
Overall: any time after randomization. Hypoglycemic: any time patient experienced sign/symptom associated with hypoglycemia, or had old Roche blood glucose level <7 mg/dL. Nocturnal: any hypoglycemic event that occurred between bedtime and waking. Severe: event with symptoms consistent with neuroglycopenia in which patient requires assistance, and is associated with: a Roche blood glucose value <2.8 mmol/L or prompt recovery after oral carbohydrate, glucagon, or IV glucose. 30-day adjusted rate=(total number of episodes between 2 time intervals/number of days between intervals) X 30 days.
Baseline to 24 Weeks
Change in Absolute Body Weight (kg) From Baseline to 24 Week Endpoint
Time Frame: Baseline, 24 weeks
Baseline, 24 weeks
Total Daily Insulin Dose (Units) at Endpoint
Time Frame: 24 weeks
Insulin dose at endpoint was analyzed by 24-hour total daily insulin (units).
24 weeks
Total Daily Insulin Dose Per Body Weight (Units/Kilograms) at Endpoint
Time Frame: 24 Weeks
Insulin dose at endpoint was analyzed by 24-hour total daily insulin per body weight (units/kilograms).
24 Weeks

Collaborators and Investigators

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

Sponsor

Eli Lilly and Company

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

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

August 1, 2007

Primary Completion (Actual)

October 1, 2008

Study Completion (Actual)

October 1, 2008

Study Registration Dates

First Submitted

August 1, 2007

First Submitted That Met QC Criteria

August 1, 2007

First Posted (Estimate)

August 3, 2007

Study Record Updates

Last Update Posted (Estimate)

October 21, 2010

Last Update Submitted That Met QC Criteria

October 12, 2010

Last Verified

October 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 11813
  • F3Z-MC-IOPE (Other Identifier: Eli Lilly and Company)

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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