Diabetes Mellitus, Type 1CODIACNCT05165615
Android Artificial Pancreas System (Android APS) Versus Control-IQ
A study of Diabetes Mellitus, Type 1, run by Charles University, Czech Republic at 1 site in Czechia.
Trial summary
The aim of the investigator's study is to compare two different closed loop hybrid systems - certified Control-IQ and noncertified AndroidAPS in adult patients with Type 1 Diabetes (T1D), who had been using AndroidAPS previously from their own decision, during 12 weeks of follow-up. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Diabetes Mellitus, Type 1
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 20 participants
- Where
- 1 siteCzechia
- Study dates
- 1 Dec 2020to 31 Dec 2022
- 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
- Type 1 diabetes diagnosed >2 years
- ≥ 18 years old
- written informed consent prior to starting study related activity
- previous user of AndroidAPS at least for 3 months
Who cannot join
- severe noncompliance
- lactation, pregnancy, intending to become pregnant during study
- use of medication with effects on carbohydrate metabolism
Trial locations and contacts
1 site in 1 country.
Czechia1 site, 1 recruiting
- Recruiting
3rd Department of Internal Medicine, 1st Faculty of Medicine, Charles University
Prague
Jan Soupal, +420775654343, jan.soupal@seznam.cz
About this study
Official title: Comparison of the Two Different Closed-loop Hybrid Systems - AndroidAPS and Control-IQ in Patients With Type 1 Diabetes
The aim of the investigator's study is to compare two different closed loop hybrid systems - certified Control-IQ and noncertified AndroidAPS in adult patients with Type 1 Diabetes (T1D), who had been using AndroidAPS previously from their own decision, during 12 weeks of follow-up.
- Conditions
- Diabetes Mellitus, Type 1
- Being tested
- Insulin Pump t:slim X2 with Control-IQ technology
- Keywords
- Continuous Glucose Monitoring, Insulin Pump, Closed-loop hybrid system
- 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.
Insulin Pump t:slim X2 with Control-IQ technologyDevice
Also called Continuous Glucose Monitoring Dexcom G6 system
Usage of Insulin pump t:slim X2 with Control-IQ technology in previous users of AndroidAPS
| Study group | Role | What they receive |
|---|---|---|
| AndroidAPS versus Control-IQ | Experimental | Patients with use of the Control-IQ system (closed-loop hybrid system) and previous users of AndroidAPS (closed-loop hybrid system) Receives: Device: Insulin Pump t:slim X2 with Control-IQ technology |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of time in target ranges
3.9-10.0 mmol/L (70-180 mg/dl)
Measured: Up to 28 weeks
Secondary outcomes (8)
Percentage of time in hypoglycemic ranges
<3.9 mmol/L (70 mg/dl) and <3.0 mmol/L (54 mg/dl)
Measured: Up to 28 weeks
Percentage of time in hyperglycemic ranges
>10.0 mmol/L (180 mg/dl) and >13.9 mmol/L (250 mg/dl)
Measured: Up to 28 weeks
Changes in glycemic variability
Expressed as the coefficient of variation
Measured: Up to 28 weeks
Incidence of severe hypoglycaemia
Requiring third-party assistance to treat
Measured: Up to 28 weeks
Changes in glycated haemoglobin (HbA1c)
Differences between HbA1c values in the initial period and after follow-up
Measured: Up to 28 weeks
Hypoglycemia Attitudes and Behavior Scale (HABS)
This validated questionnaire contains in total 14 questions that highlights two critical dimensions of hypoglycemia-related concerns (anxiety and avoidance) and one positive dimension (confidence). 14 items use Likert scales from 1 to 5, total score from 14 to 70, the higher total score means worse outcome.
Measured: Up to 28 weeks
Diabetes Distress Scale (DDS)
This validated questionnaire assess diabetes-related emotional stress. This 17-item tool uses the Likert scales from 1 to 6. Total score is from 17 to 102, while higher total score means worse outcome.
Measured: Up to 28 weeks
The 5-item World Health Organization well-being index (WHO-5 index)
This validated questionnaire contains in total 5 questions with Likert scales from 5 to 0. Total score is multiplied by 4 to give a final score ranging from 0 to 100, higher score denote higher quality of life (better outcome).
Measured: Up to 28 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Dec 2021
- Study start1 Dec 2020
- Primary completion30 Jun 2022 (estimated)
- Study completion31 Dec 2022 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Diabetes Mellitus, Type 1Studies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Supportive care
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 20 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Charles University, Czech Republic
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Jan Soupal, MD, Charles University, Czech Republic
- Investigators
- Jan Soupal, Principal investigator, Charles University, Prague
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05165615
- Sponsor's protocol ID
- CODIAC
- Acronym
- CODIAC
- Status last verified
- Dec 2021
- First submitted
- 23 Nov 2021
- Last updated
- 21 Dec 2021
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No
Publications
Hajos TR, Pouwer F, Skovlund SE, Den Oudsten BL, Geelhoed-Duijvestijn PH, Tack CJ, Snoek FJ. Psychometric and screening properties of the WHO-5 well-being index in adult outpatients with Type 1 or Type 2 diabetes mellitus. Diabet Med. 2013 Feb;30(2):e63-9. doi: 10.1111/dme.12040.
PubMed 23072401Fisher L, Hessler DM, Polonsky WH, Mullan J. When is diabetes distress clinically meaningful?: establishing cut points for the Diabetes Distress Scale. Diabetes Care. 2012 Feb;35(2):259-64. doi: 10.2337/dc11-1572. Epub 2012 Jan 6.
PubMed 22228744Polonsky WH, Fisher L, Hessler D, Liu J, Fan L, McAuliffe-Fogarty AH. Worries and concerns about hypoglycemia in adults with type 1 diabetes: An examination of the reliability and validity of the Hypoglycemic Attitudes and Behavior Scale (HABS). J Diabetes Complications. 2020 Jul;34(7):107606. doi: 10.1016/j.jdiacomp.2020.107606. Epub 2020 Apr 23.
PubMed 32354623Soupal J, Petruzelkova L, Grunberger G, Haskova A, Flekac M, Matoulek M, Mikes O, Pelcl T, Skrha J Jr, Horova E, Skrha J, Parkin CG, Svacina S, Prazny M. Glycemic Outcomes in Adults With T1D Are Impacted More by Continuous Glucose Monitoring Than by Insulin Delivery Method: 3 Years of Follow-Up From the COMISAIR Study. Diabetes Care. 2020 Jan;43(1):37-43. doi: 10.2337/dc19-0888. Epub 2019 Sep 17.
PubMed 31530663Soupal J, Petruzelkova L, Flekac M, Pelcl T, Matoulek M, Dankova M, Skrha J, Svacina S, Prazny M. Comparison of Different Treatment Modalities for Type 1 Diabetes, Including Sensor-Augmented Insulin Regimens, in 52 Weeks of Follow-Up: A COMISAIR Study. Diabetes Technol Ther. 2016 Sep;18(9):532-8. doi: 10.1089/dia.2016.0171. Epub 2016 Aug 2.
PubMed 27482825Haskova A, Radovnicka L, Petruzelkova L, Parkin CG, Grunberger G, Horova E, Navratilova V, Kade O, Matoulek M, Prazny M, Soupal J. Real-time CGM Is Superior to Flash Glucose Monitoring for Glucose Control in Type 1 Diabetes: The CORRIDA Randomized Controlled Trial. Diabetes Care. 2020 Nov;43(11):2744-2750. doi: 10.2337/dc20-0112. Epub 2020 Aug 28.
PubMed 32859607Do QD, Haskova A, Radovnicka L, Konecna J, Horova E, Parkin CG, Grunberger G, Prazny M, Soupal J. Comparison of Control-IQ and open-source AndroidAPS automated insulin delivery systems in adults with type 1 diabetes: The CODIAC study. Diabetes Obes Metab. 2024 Jan;26(1):78-84. doi: 10.1111/dom.15289. Epub 2023 Sep 25.
PubMed 37743832
Study at a glance
From the registry record, last updated by the sponsor on 21 Dec 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Comparison of the Two Different Closed-loop Hybrid Systems - AndroidAPS and Control-IQ in Patients With Type 1 Diabetes
- ClinicalTrials.gov ID
- NCT05165615
- Acronym / sponsor ID
- CODIAC / CODIAC
- Conditions
- Diabetes Mellitus, Type 1
- Keywords
- Continuous Glucose Monitoring, Insulin Pump, Closed-loop hybrid system
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 20 participants (estimated)
- Lead sponsor
- Charles University, Czech RepublicUniversity, hospital or other
- Study start
- 1 Dec 2020 (actual)
- Primary completion
- 30 Jun 2022 (estimated)
- Study completion
- 31 Dec 2022 (estimated)
- First posted
- 21 Dec 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of the investigator's study is to compare two different closed loop hybrid systems - certified Control-IQ and noncertified AndroidAPS in adult patients with Type 1 Diabetes (T1D), who had been using AndroidAPS previously from their own decision, during 12 weeks of follow-up.
Study design
- Primary purpose
- Supportive care
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| AndroidAPS versus Control-IQ | Experimental | Device: Insulin Pump t:slim X2 with Control-IQ technologyPatients with use of the Control-IQ system (closed-loop hybrid system) and previous users of AndroidAPS (closed-loop hybrid system) |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Type 1 diabetes diagnosed >2 years
- ≥ 18 years old
- written informed consent prior to starting study related activity
- previous user of AndroidAPS at least for 3 months
Key exclusion criteria (3 listed)
- severe noncompliance
- lactation, pregnancy, intending to become pregnant during study
- use of medication with effects on carbohydrate metabolism
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Insulin Pump t:slim X2 with Control-IQ technologyAlso: Continuous Glucose Monitoring Dexcom G6 systemUsage of Insulin pump t:slim X2 with Control-IQ technology in previous users of AndroidAPS | Device | AndroidAPS versus Control-IQ |
Primary outcome
Percentage of time in target ranges
Time frame: Up to 28 weeks
3.9-10.0 mmol/L (70-180 mg/dl)
8 secondary outcomes
Percentage of time in hypoglycemic ranges
Time frame: Up to 28 weeks
Percentage of time in hyperglycemic ranges
Time frame: Up to 28 weeks
Changes in glycemic variability
Time frame: Up to 28 weeks
Incidence of severe hypoglycaemia
Time frame: Up to 28 weeks
Changes in glycated haemoglobin (HbA1c)
Time frame: Up to 28 weeks
Hypoglycemia Attitudes and Behavior Scale (HABS)
Time frame: Up to 28 weeks
Diabetes Distress Scale (DDS)
Time frame: Up to 28 weeks
The 5-item World Health Organization well-being index (WHO-5 index)
Time frame: Up to 28 weeks
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 21 Dec 2021.
- Background: PubMed 23072401Hajos TR, Pouwer F, Skovlund SE, Den Oudsten BL, Geelhoed-Duijvestijn PH, Tack CJ, Snoek FJ. Psychometric and screening properties of the WHO-5 well-being index in adult outpatients with Type 1 or Type 2 diabetes mellitus. Diabet Med. 2013 Feb;30(2):e63-9. doi: 10.1111/dme.12040.
- Background: PubMed 22228744Fisher L, Hessler DM, Polonsky WH, Mullan J. When is diabetes distress clinically meaningful?: establishing cut points for the Diabetes Distress Scale. Diabetes Care. 2012 Feb;35(2):259-64. doi: 10.2337/dc11-1572. Epub 2012 Jan 6.
- Background: PubMed 32354623Polonsky WH, Fisher L, Hessler D, Liu J, Fan L, McAuliffe-Fogarty AH. Worries and concerns about hypoglycemia in adults with type 1 diabetes: An examination of the reliability and validity of the Hypoglycemic Attitudes and Behavior Scale (HABS). J Diabetes Complications. 2020 Jul;34(7):107606. doi: 10.1016/j.jdiacomp.2020.107606. Epub 2020 Apr 23.
- Background: PubMed 31530663Soupal J, Petruzelkova L, Grunberger G, Haskova A, Flekac M, Matoulek M, Mikes O, Pelcl T, Skrha J Jr, Horova E, Skrha J, Parkin CG, Svacina S, Prazny M. Glycemic Outcomes in Adults With T1D Are Impacted More by Continuous Glucose Monitoring Than by Insulin Delivery Method: 3 Years of Follow-Up From the COMISAIR Study. Diabetes Care. 2020 Jan;43(1):37-43. doi: 10.2337/dc19-0888. Epub 2019 Sep 17.
- Background: PubMed 27482825Soupal J, Petruzelkova L, Flekac M, Pelcl T, Matoulek M, Dankova M, Skrha J, Svacina S, Prazny M. Comparison of Different Treatment Modalities for Type 1 Diabetes, Including Sensor-Augmented Insulin Regimens, in 52 Weeks of Follow-Up: A COMISAIR Study. Diabetes Technol Ther. 2016 Sep;18(9):532-8. doi: 10.1089/dia.2016.0171. Epub 2016 Aug 2.
- Background: PubMed 32859607Haskova A, Radovnicka L, Petruzelkova L, Parkin CG, Grunberger G, Horova E, Navratilova V, Kade O, Matoulek M, Prazny M, Soupal J. Real-time CGM Is Superior to Flash Glucose Monitoring for Glucose Control in Type 1 Diabetes: The CORRIDA Randomized Controlled Trial. Diabetes Care. 2020 Nov;43(11):2744-2750. doi: 10.2337/dc20-0112. Epub 2020 Aug 28.
- Derived from this study: PubMed 37743832Do QD, Haskova A, Radovnicka L, Konecna J, Horova E, Parkin CG, Grunberger G, Prazny M, Soupal J. Comparison of Control-IQ and open-source AndroidAPS automated insulin delivery systems in adults with type 1 diabetes: The CODIAC study. Diabetes Obes Metab. 2024 Jan;26(1):78-84. doi: 10.1111/dom.15289. Epub 2023 Sep 25.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Jan Soupal principal investigator
Charles University, Prague
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study of Diabetes Mellitus, Type 1, run by Charles University, Czech Republic at 1 site in Czechia.
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 4 inclusion and 3 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 21 Dec 2021. 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 Czechia. 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 Jan Soupal (+420775654343, jan.soupal@seznam.cz), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of time in target ranges (time frame: Up to 28 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 NCT05165615, which also lists 7 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 21 Dec 2021.