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Completed

NCT Number: NCT03478969

Participant-Reported Outcomes With the Accu-Chek® Solo Micropump System

This interventional device study aims to compare mainly standard Multiple Daily Injection (MDI) therapy vs. Accu-Chek® Solo Micropump System and investigates participant satisfaction. In addition, a third arm is included to compare to only similar product on the market which is OmniPod. The third arm is for data collection purpose.

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Key information

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

VIVIT Institut am LKH Felkirch, Feldkirch, Austria

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Diagnosed type 1 diabetes mellitus
  • At least 6 months experience with MDI therapy
  • Age ≥18 years and age ≤ 65
  • Able to perform carbohydrate counting
  • Clinically suitable for CSII including willingness to measure blood glucose at least 4 times per day or to use flash or real-time continuous glucose monitoring consistently
  • HbA1c between 7.5% (58 millimoles per mole (mmol/mol)) and 9.0% (75 mmol/mol) (determined within the last 2 months)
  • Ability and willingness to read and understand study materials (participant information, data protection and written consent form, all questionnaires etc.) and to comply with study procedures
  • Ability and willingness to use investigational devices independently and respond to alarms after training and run-in phase
  • Using a blood glucose (BG)-meter or real-time continuous glucose monitoring device that can be downloaded via Accu-Chek® Smart Pix or willingness to use a compatible meter that will be provided for the duration of the study

Exclusion criteria

  • Prior insulin pump use
  • Relevantly impaired hypoglycemia awareness
  • History of >1 hospitalization due to severe hypoglycemia within the previous 3 months
  • History of >1 hospitalization due diabetic ketoacidosis within the last 3 months
  • Significant manifestation of diabetes-related late complications
  • Pregnant or planning to become pregnant or breastfeeding
  • Known allergic reactions to plaster adhesive
  • Chronic use (therapy lasting for more than 3 months) of steroids in adrenal suppressive doses, immunosuppressive medication, or chemotherapy
  • Serious or unstable chronic medical or psychological condition(s)
  • Addiction to alcohol or other substance(s) of abuse as determined by the investigator
  • Psychological condition rendering the participant unable to understand the nature and the scope of the study
  • Plans for relocation or extensive travel
  • Participation in another clinical study within 4 weeks prior to the screening visit
  • Dependency on Sponsor or Investigator (e.g. co-worker or family member)

Treatment and study plan

Accu-Chek® Solo micropump system

Device

Medical device for subcutaneous delivery of insulin in a personalized way.

mylife™ OmniPod® Insulin Management System

Device

A patch pump system delivering insulin.

Multiple Daily Injections (MDI) therapy

Other

Injecting insulin as per participant's need.

Primary outcomes

  1. Treatment Satisfaction: Accu-Chek® Micropump System vs. MDI, Measured by the Difference in the Diabetes Technology Questionnaire (DTQ) Total Change Score

    Time frame: 26 weeks

    The two comparisons will be performed using a hierarchical procedure. First, the comparison between the Accu-Chek® Solo system vs. MDI will be performed and only if the corresponding Null hypothesis of no difference between both systems can be rejected, then the second comparison between Accu-Chek® Solo system and versus mylife™ OmniPod® will also be performed. The DTQ questionnaire consists of 30 questions with the individual Change Scores ranging from 1 to 5, where 1 represents 'Much worse' and 5 represents 'Much better'. The Total Change Score Range on this questionnaire is from 30 to 150 with higher scores representing lower impairment and improved outcomes.

  2. Treatment Satisfaction: Accu-Chek® Micropump System vs. Mylife™ OmniPod®, Measured by the Difference in the Diabetes Technology Questionnaire (DTQ) Total Change Score

    Time frame: 26 weeks

    The two comparisons will be performed using a hierarchical procedure. First, the comparison between the Accu-Chek® Solo system vs. MDI will be performed and only if the corresponding Null hypothesis of no difference between both systems can be rejected, then the second comparison between Accu-Chek® Solo system and versus mylife™ OmniPod® will also be performed. The DTQ questionnaire consists of 30 questions with the individual Change Scores ranging from 1 to 5, where 1 represents 'Much worse' and 5 represents 'Much better'. The Total Change Score Range on this questionnaire is from 30 to 150 with higher scores representing lower impairment and improved outcomes.

Secondary outcomes

  1. Diabetes-Related Emotional Distress Assessed by Problem Areas in Diabetes Scale (PAID)-5

    Time frame: Week 26 up to Week 39

    The PAID-5 questionnaire consisted of 5 questions with answers ranging from 0 (not a problem) to 4 (serious problem). The total score was calculated as the sum of the individual questions, resulting in a number between 0 and 20 where lower scores represented lower distress.

  2. Device Satisfaction and Treatment Preference

    Time frame: Baseline up to Week 39

    Device Satisfaction and Treatment Preference was the main focus of part 2 questions of the DTQ. This part of the DTQ questionnaire consisted of individual sections with 9 questions each for the Blood Glucose Meter and Insulin Pump. Individual scores ranged from 1 (terrible) to 5 (excellent). Thus, the resulting sum score ranged from 9 to 45 for each type of device.

  3. Therapy Success Confirmed by Glycated Hemoglobin (Hb1Ac) Levels

    Time frame: Baseline up to Week 39

    Change in Glycated Haemoglobin (HbA1c) Levels from Baseline to Week 39

  4. Therapy Success Indicated by Change in Body Mass Index (BMI)

    Time frame: Baseline up to Week 39

    This outcome measure represents one reported value calculated by combining weight and height to report BMI in kg/m^2. Change in BMI from Baseline to Week 39.

  5. Therapy Success Indicated by Change in Weight

    Time frame: Baseline up to Week 39

    Change in Weight from Baseline to Week 39

  6. Change in Glycemic Index

    Time frame: Baseline up to Week 39

    Change in Glycemic Index from Baseline to Week 39

  7. Number of Participants With Therapy Parameters Indicated by Commencement of Continuous Subcutaneous Insulin Infusion (CSII)

    Time frame: Baseline up to Week 39

    Continuous Subcutaneous Insulin Infusion (CSII) therapy is also referred to as Insulin Pump Therapy. Presented below, are the Number of Participants for whom certain indications e.g. HbA1c goals not met, resulted in commencement of CSII therapy.

  8. Change in Therapy Parameters Based on Type of Insulin Used

    Time frame: Baseline up to Week 39

  9. Change in Therapy Parameters Indicated by Total Daily Insulin Dose (TDD)

    Time frame: Baseline up to Week 39

    Total Daily Insulin Dose at Baseline compared to dose at Week 39

  10. Change in Therapy Parameters Indicated by Total Daily Basal Insulin Dose (TBD)

    Time frame: Baseline up to Week 39

    Total Daily Basal Insulin Dose at Baseline compared to dose at Week 39

  11. Change in Therapy Parameters Based on Average Number of Self Monitoring of Blood Glucose (SMBGs) Per Day

    Time frame: Baseline up to Week 39

    Average Number of Self Monitoring of Blood Glucose (SMBGs) per day from Baseline up to Week 39

  12. Percentage of Time Spent in Hypoglycaemic Blood Glucose (BG) Ranges

    Time frame: Baseline up to Week 39

    Change in Frequency of Hypoglycaemic Events are reported below as the percentage of time spent in hypoglycaemic blood glucose (BG) ranges.

  13. Percentage of Time Spent in Hyperglycaemic Blood Glucose (BG) Ranges

    Time frame: Baseline up to Week 39

    Change in Frequency of Hyperglycaemic Events are reported below as the percentage of time spent in hyperglycaemic blood glucose (BG) ranges.

  14. Number of Consultations

    Time frame: Baseline up to Week 39

    Consultations between scheduled visits, emergency and call center calls, hospitalizations and absenteeism from work/school.

  15. Number of Pods/Infusion Assemblies Falling Off Prematurely

    Time frame: Baseline up to Week 39

  16. Average Time Spent on Infusion Assembly

    Time frame: Baseline up to Week 39

  17. Number of Participants With Skin Reactions (Including Type and Intensity)

    Time frame: Baseline up to Week 39

    Number of Participants who experienced Skin Reactions at the Insulin Pump Insertion Sites (along with their Type and Intensity) are presented below, from Baseline up to Week 39. Participants were asked to assess five different properties describing potential problems at the pump insertion site, namely "itching", "redness", "swelling", "heat" and "pain". Each of these questions could be answered with one of four alternatives, "None", "Minor", "Moderate" and "Severe".

  18. Socio-economic Acceptance: Amount of Insulin Left in Device at Reservoir Change/Device Discard

    Time frame: Baseline up to Week 39

  19. Amount of Waste, Inferred by Total Material Consumption

    Time frame: Baseline up to Week 39

Sponsors and collaborators

Lead sponsor

Hoffmann-La Roche

Industry

Registry information

Official study title

Patient-Reported Outcomes With the Accu-Chek® Solo Micropump System vs. Multiple Daily Injection Therapy vs. Mylife OmniPod® in Patients With Type 1 Diabetes

Acronym: PRO Solo

Important dates

Study start
2018
Primary completion
2020
Study completion
2020
First posted
Mar 27, 2018
Registry last updated
Aug 20, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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