Trial Outcomes & Findings for Hybrid Closed Loop Pivotal Trial in Type 1 Diabetes (NCT NCT02463097)

NCT ID: NCT02463097

Last Updated: 2019-04-16

Results Overview

There is no statistically powered primary endpoint in this study. However, there will be a descriptive analysis of change in A1C.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

124 participants

Primary outcome timeframe

Baseline and 3 months

Results posted on

2019-04-16

Participant Flow

Participant milestones

Participant milestones
Measure
Study Arm
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Overall Study
STARTED
124
Overall Study
COMPLETED
123
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Study Arm
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Hybrid Closed Loop Pivotal Trial in Type 1 Diabetes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Study Arm
n=124 Participants
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Age, Categorical
<=18 years
22 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
96 Participants
n=5 Participants
Age, Categorical
>=65 years
6 Participants
n=5 Participants
Age, Continuous
37.8 years
STANDARD_DEVIATION 16.46 • n=5 Participants
Sex: Female, Male
Female
69 Participants
n=5 Participants
Sex: Female, Male
Male
55 Participants
n=5 Participants
Region of Enrollment
United States
112 participants
n=5 Participants
Region of Enrollment
Israel
12 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline and 3 months

There is no statistically powered primary endpoint in this study. However, there will be a descriptive analysis of change in A1C.

Outcome measures

Outcome measures
Measure
Study Arm
n=123 Participants
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Change in A1C
-0.5 Percent
Standard Deviation 0.6

SECONDARY outcome

Timeframe: 3 months

There is no statistically powered secondary endpoint in this study. However, there will be a descriptive analysis of the number of Severe Hypoglycemia events.

Outcome measures

Outcome measures
Measure
Study Arm
n=124 Participants
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Number of Severe Hypoglycemia Events
0 events

SECONDARY outcome

Timeframe: 3 months

There is no statistically powered secondary endpoint in this study. However, there will be a descriptive analysis on number of Diabetic Ketoacidosis (DKA) Event.

Outcome measures

Outcome measures
Measure
Study Arm
n=124 Participants
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Number of Diabetic Ketoacidosis (DKA) Events
0 events

Adverse Events

Study Arm

Serious events: 2 serious events
Other events: 66 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Study Arm
n=124 participants at risk
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Infections and infestations
Appendicitis
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Bacterial arthritis of right wrist
0.81%
1/124 • Number of events 1 • 3 Month
Investigations
C-difficile diarrhea
0.81%
1/124 • Number of events 1 • 3 Month
Musculoskeletal and connective tissue disorders
Worsening Rheumatoid Arthritis
0.81%
1/124 • Number of events 1 • 3 Month

Other adverse events

Other adverse events
Measure
Study Arm
n=124 participants at risk
All subjects wearing the MMT-670G insulin pump, using it with the closed loop algorithm Insulin Pump: Closed Loop Algorithm i-STAT blood testing: Intravenous i-STAT blood testing is used for reference validation Blood Glucose Meter testing: Frequent finger stick blood glucose testing using a Blood Glucose meter is required
Gastrointestinal disorders
Abdominal pain
0.81%
1/124 • Number of events 1 • 3 Month
Gastrointestinal disorders
Abdominal pain for few days
0.81%
1/124 • Number of events 1 • 3 Month
Injury, poisoning and procedural complications
Abrasion to left great toe
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Acute frontal sinusitis
0.81%
1/124 • Number of events 1 • 3 Month
Injury, poisoning and procedural complications
Ankle sprain
0.81%
1/124 • Number of events 1 • 3 Month
Respiratory, thoracic and mediastinal disorders
Asthma
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Bacterial conjunctivitis
0.81%
1/124 • Number of events 1 • 3 Month
Ear and labyrinth disorders
Benign paroxysmal positional vertigo
0.81%
1/124 • Number of events 1 • 3 Month
Injury, poisoning and procedural complications
Bicycle injury
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Bronchitis
1.6%
2/124 • Number of events 2 • 3 Month
Injury, poisoning and procedural complications
Burn
0.81%
1/124 • Number of events 1 • 3 Month
Eye disorders
Cataract
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Cold
3.2%
4/124 • Number of events 5 • 3 Month
Infections and infestations
Cold-upper respiratory
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Common cold
4.0%
5/124 • Number of events 5 • 3 Month
Eye disorders
Conjunctivitis
0.81%
1/124 • Number of events 1 • 3 Month
Injury, poisoning and procedural complications
Cracked ulna
0.81%
1/124 • Number of events 1 • 3 Month
Respiratory, thoracic and mediastinal disorders
Deviated septum
0.81%
1/124 • Number of events 1 • 3 Month
Gastrointestinal disorders
Dyspepsia
0.81%
1/124 • Number of events 1 • 3 Month
Gastrointestinal disorders
Emesis
0.81%
1/124 • Number of events 1 • 3 Month
Gastrointestinal disorders
Gastro pain (upset stomach), nausea
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Gastroenteritis
2.4%
3/124 • Number of events 3 • 3 Month
Infections and infestations
Gastrointestinal virus
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Head cold
2.4%
3/124 • Number of events 3 • 3 Month
Nervous system disorders
Headache
3.2%
4/124 • Number of events 5 • 3 Month
Gastrointestinal disorders
Heart burn
0.81%
1/124 • Number of events 1 • 3 Month
Metabolism and nutrition disorders
Hyperglycemia
4.8%
6/124 • Number of events 6 • 3 Month
General disorders
Infiltration. bruising.
0.81%
1/124 • Number of events 1 • 3 Month
Nervous system disorders
Intermittent headaches
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Intestinal virus
0.81%
1/124 • Number of events 1 • 3 Month
General disorders
Irritation on sensor site
0.81%
1/124 • Number of events 1 • 3 Month
General disorders
Iv site pain
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Laryngitis
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Left leg cellulitis
0.81%
1/124 • Number of events 1 • 3 Month
Nervous system disorders
Migraine
1.6%
2/124 • Number of events 2 • 3 Month
Infections and infestations
Mononucleosis
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Otitis media
0.81%
1/124 • Number of events 1 • 3 Month
General disorders
Pain
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Periodontal infection
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Pharyngitis
0.81%
1/124 • Number of events 1 • 3 Month
Skin and subcutaneous tissue disorders
Rash
0.81%
1/124 • Number of events 1 • 3 Month
Musculoskeletal and connective tissue disorders
Rheumatoid arthritis
0.81%
1/124 • Number of events 1 • 3 Month
Injury, poisoning and procedural complications
Rib fracture
0.81%
1/124 • Number of events 1 • 3 Month
Metabolism and nutrition disorders
Severe hyperglycemia
10.5%
13/124 • Number of events 17 • 3 Month
Infections and infestations
Sinus infection
0.81%
1/124 • Number of events 1 • 3 Month
Skin and subcutaneous tissue disorders
Skin irritation
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Stomach flu
0.81%
1/124 • Number of events 1 • 3 Month
Vascular disorders
Thrombophlebitis
0.81%
1/124 • Number of events 1 • 3 Month
Gastrointestinal disorders
Toothache
0.81%
1/124 • Number of events 1 • 3 Month
Immune system disorders
Type 4 skin hypersensitivity
0.81%
1/124 • Number of events 1 • 3 Month
Respiratory, thoracic and mediastinal disorders
Upper respiratory congestion
1.6%
2/124 • Number of events 2 • 3 Month
Infections and infestations
Upper respiratory infection
8.9%
11/124 • Number of events 13 • 3 Month
Infections and infestations
Upper respiratory tract infection
2.4%
3/124 • Number of events 3 • 3 Month
Infections and infestations
Urinary tract infection
0.81%
1/124 • Number of events 1 • 3 Month
Infections and infestations
Uti
1.6%
2/124 • Number of events 2 • 3 Month
Infections and infestations
Viral illness
0.81%
1/124 • Number of events 2 • 3 Month
Gastrointestinal disorders
Vomiting
0.81%
1/124 • Number of events 1 • 3 Month
Skin and subcutaneous tissue disorders
Pruritus
0.81%
1/124 • Number of events 1 • 3 Month

Additional Information

Thomas Thoub

Medtronic Minimed

Phone: 8185763142

Results disclosure agreements

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

Restriction type: GT60