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Effects of Short-term Intensive De-escalation Therapy on Long-term Regimen Simplification (ESTIMATOR)

Y

Yanbing Li

Status and phase

Enrolling
Phase 4

Conditions

Diabetes type2

Treatments

Drug: Traditionally upgrading therapy, followed up in traditional ways
Drug: CSII and thereafter combination therapy, followed up in traditional ways
Drug: CSII and thereafter combination therapy, followed up with wearable devices

Study type

Interventional

Funder types

Other

Identifiers

NCT03958591
2018YFC1314103

Details and patient eligibility

About

Despite advances in diabetes management, many patients with type 2 diabetes in China fail to achieve optimal glycemic control. One of the possible reasons is associated with the delay in therapeutic decision making that lags behind glycemic rise. The investigators design this study and presume that using vildagliptin and metformin in combination with basal insulin as sequential treatment after intensive insulin therapy, might better modulate the dual islet hormone dysfunction than traditionally stepwise upgrading therapy pattern in patients with poorly controlled T2DM, and thus lead to a glucose normalization, β-cell function improvement and therapy simplification.

Full description

This is a multicenter, randomized, controlled, open-label, clinical superiority trial. The participants will be recruited from 19 centers in China. The enrolled participants will be randomly assigned into 3 groups, designated as Group A , B and C.

Group A (Intensive therapy group following up with intelligent equipment):Continuous subcutaneous insulin infusion (CSII) will be applied to the participants for 2 weeks and thereafter the combination therapy of basal insulin, metformin and vildagliptin for the next 10 weeks. The participants are followed up with intelligent equipment.

Group B (Intensive therapy group following up in traditional ways): CSII will be applied to the participants for 2 weeks and thereafter the combination therapy of basal insulin, metformin and vildagliptin for the next 10 weeks. The participants are followed up in traditional ways.

Group C (Traditionally upgrading group): The participants will be applied the combination therapy of basal insulin, vildagliptin and metformin for the entire 12 weeks.

Participants in both Group A, B and Group C will then receive combination therapy of metformin and vildagliptin, and be followed-up at the 16th, 20th, 24th, 28th, 32nd and 36th weeks. The doses of metformin and vildagliptin are set as 1.0~2.0g/d and 100mg/d, respectively. If the participants cannot tolerate metformin, then acarbose (50-100mg tid) or SGLT2 inhibitor can be instead used. If glucose is not well controlled, sulfonylureas or glinides can be added as a rescue treatment.

Enrollment

274 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Type 2 diabetes diagnosed according to WHO criteria (1999); With a duration of 1~10 years;

  2. With two or more oral hypoglycemic drug used for at least 3 months, including at least one insulin secretagogue in half-max dosage (eg. Glibenclamide 7.5mg/d, gliclazide 60mg/d, glimepiride 3mg/d, glipizide 10mg/d, repaglinide 6mg/d, nateglinide 360mg/d and DPP-4 inhibitor with regular doses);

  3. HbA1c of 7.5 to 13% and fasting C-peptide >0.4 nmol/L;

  4. Age of 18 to 70 years;

  5. BMI of 20 to 35 kg/m²;

  6. Capable of and willing to follow doctors' instructions to:

    • Self-monitor blood glucose according to the protocol;

      • Follow the protocol and have regular visits as required; ③ Record and maintain the research diary, as required by the protocol; ④ Keep contact with the investigators and receive phone calls during the study.

Exclusion criteria

  1. Type 1 diabetes or specific types of diabetes;
  2. Those who have received premixed insulin therapy and/or basal - meal insulin and/or basal insulin-oral hypoglycemic agents treatment accumulation for 7 days or more, and those who have received CSII therapy in the last one year, and those who have received GLP-1 analogue within 3 months before screening;
  3. Those who have acute diabetic complications (diabetic ketoacidosis, hyperosmotic hyperglycemia coma or lactic acidosis);
  4. Those who have severe diabetic microvascular complications (proliferative retinopathy, clinical proteinuria, and glomerular filtration rate less than 45 ml/min, uncontrolled diabetic neuropathy and obvious diabetic autonomic neuropathy);
  5. Those with ALT >2.5 times of the upper limit of normal (ULN), bilirubin > 1.5 times of ULN;
  6. Those with known macrovascular disease: Patients with acute cerebrovascular accident, acute coronary syndrome, unstable angina, peripheral artery disease who have received vascular intervention or amputation in the 12 months before enrollment; Or chronic cardiac dysfunction with cardiac function grade III or above;
  7. Those with poor blood pressure control (systolic blood pressure≥160mmHg and/or sitting diastolic blood pressure ≥110mmHg) and inability to control under 160/110mmhg within 1 week;
  8. Serious systemic disease or malignant tumor, chronic diarrhea, etc;
  9. Those with drugs that may affect blood glucose for a cumulative time of more than 1 week within 12 weeks, such as oral/venous glucocorticoid, growth hormone, estrogen/ progesterone, high-dose diuretics, antipsychotic drugs. However, low-dose diuretics for antihypertensive purposes (HCTZ < 25mg/d, indapamide < 1.5mg/d) and physiologic dose of thyroid hormone for replacement therapy are not included;
  10. Any factors that may affect the participation of the subject in the study or the evaluation of the results;
  11. Pregnancy or planned pregnancy, lactation subjects.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

274 participants in 3 patient groups

Intensive-de-escalation group with intelligent management
Experimental group
Description:
Short-term continuous subcutaneous insulin infusion and thereafter the combination therapy of basal insulin, metformin and vildagliptin will be applied. Then the oral hypoglycemic therapies will be prescribed. Wearable devices and smart apps will be used to manage and follow-up patients.
Treatment:
Drug: CSII and thereafter combination therapy, followed up with wearable devices
Intensive-de-escalation group without intelligent management
Experimental group
Description:
Short-term continuous subcutaneous insulin infusion and thereafter the combination therapy of basal insulin, metformin and vildagliptin will be applied. Then the oral hypoglycemic therapies will be prescribed. Traditional ways such as telephone contact will be used to follow-up patients.
Treatment:
Drug: CSII and thereafter combination therapy, followed up in traditional ways
Traditionally upgrading group
Active Comparator group
Description:
The combination therapy of basal insulin, metformin and vildagliptin for the entire 12 weeks and thereafter the oral hypoglycemic therapies will be applied. Traditional ways will be used to follow-up patients.
Treatment:
Drug: Traditionally upgrading therapy, followed up in traditional ways

Trial contacts and locations

1

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Central trial contact

Lijuan Xu, Dr; Lijuan Xu, Dr

Data sourced from clinicaltrials.gov

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