Trial Outcomes & Findings for Tandem Freedom - Feasibility Trial 2 (NCT NCT06834568)

NCT ID: NCT06834568

Last Updated: 2026-02-06

Results Overview

Number of Participants with One or More Severe Hypoglycemia Events (with cognitive impairment such that assistance of another individual is needed for treatment)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

10 participants

Primary outcome timeframe

Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

Results posted on

2026-02-06

Participant Flow

Participant milestones

Participant milestones
Measure
Tandem Freedom
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Overall Study
STARTED
10
Overall Study
COMPLETED
10
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Tandem Freedom - Feasibility Trial 2

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Age, Continuous
38.6 years
STANDARD_DEVIATION 19.6 • n=192 Participants
Sex: Female, Male
Female
3 Participants
n=192 Participants
Sex: Female, Male
Male
7 Participants
n=192 Participants
Race/Ethnicity, Customized
New Zealand European
8 Participants
n=192 Participants
Race/Ethnicity, Customized
Maori
1 Participants
n=192 Participants
Race/Ethnicity, Customized
Dutch
1 Participants
n=192 Participants
Region of Enrollment
New Zealand
10 Participants
n=192 Participants

PRIMARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

Number of Participants with One or More Severe Hypoglycemia Events (with cognitive impairment such that assistance of another individual is needed for treatment)

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Number of Participants With One or More Severe Hypoglycemia Events
Control-IQ Run-in Period (7 days)
0 Participants
Number of Participants With One or More Severe Hypoglycemia Events
Tandem Freedom (3 days)
0 Participants

PRIMARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

Number of Participants with One or More Diabetic Ketoacidosis events

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Number of Participants With One or More Diabetic Ketoacidosis Events
Control-IQ Run-in Period (7 days)
0 Participants
Number of Participants With One or More Diabetic Ketoacidosis Events
Tandem Freedom (3 days)
0 Participants

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time \<54 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time <54 mg/dL
Control-IQ Run-in Period (7 days)
0.4 percentage of time
Interval 0.2 to 1.1
Percent Time <54 mg/dL
Tandem Freedom (3 days)
0.0 percentage of time
Interval 0.0 to 0.0

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time \<70 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time <70 mg/dL
Control-IQ Run-in Period (7 days)
1.8 percentage of time
Interval 0.8 to 3.0
Percent Time <70 mg/dL
Tandem Freedom (3 days)
0.4 percentage of time
Interval 0.0 to 0.8

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time in range 70 - 180 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time in Range 70 - 180 mg/dL
Control-IQ Run-in Period (7 days)
56.3 percentage of time
Interval 50.9 to 64.0
Percent Time in Range 70 - 180 mg/dL
Tandem Freedom (3 days)
61.0 percentage of time
Interval 58.9 to 73.0

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time in range \> 180 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time in Range > 180 mg/dL
Control-IQ Run-in Period (7 days)
41.8 percentage of time
Interval 34.0 to 47.5
Percent Time in Range > 180 mg/dL
Tandem Freedom (3 days)
38.2 percentage of time
Interval 27.0 to 40.6

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time in range \> 250 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time in Range > 250 mg/dL
Control-IQ Run-in Period (7 days)
15.0 percentage of time
Interval 12.1 to 18.6
Percent Time in Range > 250 mg/dL
Tandem Freedom (3 days)
5.6 percentage of time
Interval 4.9 to 12.6

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured percent time in range 70 - 140 mg/dL

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Percent Time in Range 70 - 140 mg/dL
Control-IQ Run-in Period (7 days)
33.8 percentage of time
Interval 30.0 to 46.1
Percent Time in Range 70 - 140 mg/dL
Tandem Freedom (3 days)
42.5 percentage of time
Interval 37.9 to 48.6

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured mean glucose (mg/dL)

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Mean Glucose (mg/dL)
Control-IQ Run-in Period (7 days)
178.3 Median of mean glucose values (mg/dL)
Interval 164.6 to 184.7
Mean Glucose (mg/dL)
Tandem Freedom (3 days)
166.9 Median of mean glucose values (mg/dL)
Interval 153.3 to 168.0

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured Coefficient of Variation (%)

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Glucose Coefficient of Variation (%)
Control-IQ Run-in Period (7 days)
0.4 Percentage of variation
Interval 0.3 to 0.4
Glucose Coefficient of Variation (%)
Tandem Freedom (3 days)
0.3 Percentage of variation
Interval 0.3 to 0.4

SECONDARY outcome

Timeframe: Control-IQ Run-in Period (7 days), Tandem Freedom (3 days)

CGM measured Standard Deviation (mg/dL)

Outcome measures

Outcome measures
Measure
Tandem Freedom
n=10 Participants
After a one week run-in period with Control-IQ technology, participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants will also perform exercise challenges.
Glucose Standard Deviation (mg/dL)
Control-IQ Run-in Period (7 days)
67.8 mg/dL
Interval 61.0 to 70.2
Glucose Standard Deviation (mg/dL)
Tandem Freedom (3 days)
51.3 mg/dL
Interval 45.5 to 64.2

Adverse Events

Run-in Period

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Tandem Freedom

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Run-in Period
n=10 participants at risk
One week run-in period with Control-IQ technology.
Tandem Freedom
n=10 participants at risk
Participants will use the Tandem Freedom system for one partial day with user initiated mealtime insulin boluses and three days without user initiated mealtime insulin boluses in a supervised hotel setting. Participants also performed exercise challenges.
Skin and subcutaneous tissue disorders
Superficial burn
10.0%
1/10 • Number of events 1 • 10 days
0.00%
0/10 • 10 days
Nervous system disorders
Headache
0.00%
0/10 • 10 days
10.0%
1/10 • Number of events 1 • 10 days

Additional Information

Sr. Clinical Research Associate I

Tandem Diabetes Care

Phone: (877) 801-6901

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place