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Diabetes Mellitus Type 1NCT01045954

A Study of the Rules for Insulin Dosing in Patients Using Multiple Daily Injections

A study testing Lispro Insulin and glargine insulin in people with Diabetes Mellitus Type 1, run by Diabetes Care Center at 1 site in United States.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

This study will be conducted in subjects with Type 1 diabetes mellitus on multiple daily insulin injections to determine the correct insulin dosing formulas. Subjects will be evaluated using continuous glucose monitoring. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Diabetes Mellitus Type 1
What is being tested?
Lispro Insulin and glargine insulin
How many people
50 participants
Where
1 siteUnited States
Study dates
Jan 2010to Oct 2010
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age: >17 years
  • Type 1 diabetes
  • Diabetes duration > 3 months
  • On treatment with multiple daily injections either one or more basal insulin injections each day for 6 weeks
  • HbA1c <9.0%
  • Stable HbA1c in the proceeding 3 months (i.e., change <1%)
  • Demonstrated adherence to visits and instructions
  • Attend a class in meal carbohydrate content estimation or have demonstrated knowledge of carbohydrate counting

Who cannot join

  • Major stress event during or for 6 weeks before the evaluation
  • Taking a medication that can alter insulin sensitivity
  • Within one week of menses
  • Unstable eating or activity pattern
  • Pregnancy
  • Weight gain of > 1.5 kg during the preceding 3 months
Show all 11Show fewer
  • Serum creatinine of >1.5 mg/dl
  • Active liver disease
  • Evidence of autonomic neuropathy, especially gastroparesis
  • Any antidiabetic medication other than insulin
  • Treatment with continuous subcutaneous insulin infusion

Trial locations and contacts

1 site in 1 country.

United States1 site, 1 recruiting
  • Diabetes Care Center

    Salinas, California, 93901

    Gary S Wolfe, RN, 831-769-9355, gwolfe@diabetescarecenter.com

    Allen B King, MD

    Recruiting

Other trials in United States

About this study

This study will be conducted in subjects with Type 1 diabetes mellitus on multiple daily insulin injections to determine the correct insulin dosing formulas. Subjects will be evaluated using continuous glucose monitoring.

Read the detailed description

Subjects with stable type 1 diabetes mellitus on multiple daily insulin injections including basal and bolus will be selected in order to determine the correct insulin dosing formulas. Subjects will be placed on continuous glucose sensor (CGMS) and an isocaloric diet. Subjects will have the CGMS downloaded daily and the insulin doses adjusted if necessary. Subject will do four SMBGs daily to calibrate CGMS and on last day a 7-point SMBG. subjects will be on lispro and glargine insulin. Basal insulin will be once a day.

Being tested
Lispro Insulin and glargine insulin
Keywords
diabetes mellitus type 1, continuous glucose monitoring
Medical subject headings
Diabetes Mellitus, Type 1

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Lispro Insulin and glargine insulinDrug

    Continuous glucose sensor will be inserted. Subject will be on an isocaloric diet and CGM downloaded daily. Insulin basal and bolus will be adjusted based upon treatment goals until goals reached

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Determine the mean value for the slop between the variables of total daily dose versus total basal dose.

    Measured: Two weeks

Secondary outcomes (1)
  1. Determine the slope between the other variables: weight, total daily dose, total basal dose, insulin correction carbohydrate rate, correction factor

    Measured: Two weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jan 2010 (estimated)
  2. Study startJan 2010
  3. Primary completionAug 2010 (estimated)
  4. Study completionOct 2010 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
50 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01045954
Sponsor's protocol ID
DCC 02-09
Status last verified
Jan 2010
First submitted
7 Jan 2010
Last updated
11 Jan 2010
Results posted
No
Data monitoring committee
No

Publications

  • Walsh J, Roberts R. Pumping Insulin. 3rd Edition, San Diego, Torrey Pines Press. 2000

  • Bode BW. Insulin Pump Therapy. In, Therapy for diabetes Mellitus and Related Disorders, fourth edition, Lebovitz H. Ed, Alexandria, VA, American Diabetes Association, 2004, p224-231

  • King AB, Armstrong DU. A prospective evaluation of insulin dosing recommendations in patients with type 1 diabetes at near normal glucose control: bolus dosing. J Diabetes Sci Technol. 2007 Jan;1(1):42-6. doi: 10.1177/193229680700100107.

    PubMed 19888378
  • King AB, Armstrong DU. A prospective evaluation of insulin dosing recommendations in patients with type 1 diabetes at near normal glucose control: Basal dosing. J Diabetes Sci Technol. 2007 Jan;1(1):36-41. doi: 10.1177/193229680700100106.

    PubMed 19888377
  • Davidson PC, Hebblewhite HR, Bode BW, et al. Statistically based CSII parameters correction factor, CF (1700 rule) carbohydrate-to-insulin ratio, CIR (2.8 rule) and basal-to-total ration. Diabetes Technol Ther. 2003; 3:237

Questions about this trial

What is this clinical trial studying?

A study testing Lispro Insulin and glargine insulin in people with Diabetes Mellitus Type 1, run by Diabetes Care Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 11 Jan 2010. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Gary W Wolfe, RN (831-769-9355, gwolfe@diabetescarecenter.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Determine the mean value for the slop between the variables of total daily dose versus total basal dose. (time frame: Two weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01045954, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Jan 2010.

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