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Continuous Glucose Monitoring Systems in People With Type 2 Diabetes Not Treated With Insulin

2026년 10월 30일 업데이트: Anna Krentowska, Medical University of Bialystok

Continuous Glucose Monitoring Systems in People With Type 2 Diabetes Not Treated With Insulin - the Association With Metabolic Control of Diabetes and Markers of Early Vascular Changes

The aim of the study is to assess the influence of continuous glucose monitoring (CGM) systems on metabolic control and quality of life in people with type 2 diabetes and overweight/obesity who are not treated with insulin. Additionally, the study aims to assess the association between metabolic control of diabetes and markers of early cardiovascular disease, taking into account the impact of CGM use.

연구 개요

상세 설명

Pharmacological treatment of type 2 diabetes (T2DM) has advanced significantly in recent years. However, despite increasing availability of new medications, a great proportion of patients do not achieve treatment goals, which leads to an increased risk of chronic complications. Continuous glucose monitoring (CGM) systems have become standard of care in persons with diabetes treated with insulin, although they might also be a useful tool in guiding behaviour and dietary choices in patients treated with non-insulin medications. However, the data on their potential benefits in people with T2DM not using insulin are scarce. Therefore, the study aims to investigate the influence of CGM use on metabolic control and quality of life in this group of patients.

The study subjects will be randomly assigned to one of two groups: using continuous glucose monitoring systems or performing self-monitoring of blood glucose with a glucose meter. The intervention time will be 12 weeks, with control visits every 4 weeks. A post-intervention follow-up visit to assess whether the achieved results are maintained will be performed at 3 months after completing the intervention.

연구 유형

중재적

등록 (추정된)

50

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

      • Bialystok, 폴란드, 15-276
        • 모병
        • Medical University of Bialystok, Department of Internal Medicine and Metabolic Diseases
        • 연락하다:
        • 수석 연구원:
          • Anna Krentowska, MD, PhD

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Inclusion Criteria:

  • Age between 18 and 65 years (both inclusive)
  • Type 2 diabetes diagnosed at least 6 months prior to entering the study
  • Body mass index ≥25 kg/m2
  • Diabetes treated with oral medications and/or GLP-1 receptor agonists and/or tirzepatide
  • No modifications of diabetes treatment in the previous 3 months
  • HbA1c between 7.5% and 10% (both inclusive)
  • Oral and written informed consent for participation

Exclusion Criteria:

  • Type 1 diabetes, gestational diabetes, other specific types of diabetes
  • HbA1c >10.0%
  • Treatment with insulin
  • Previous use of any continuous glucose monitoring system
  • GFR <30 ml/min
  • Acute infections, acute diabetes complications and/or unplanned hospitalisations in the previous month
  • Use of steroids or immunosuppressive medications in the previous 3 months
  • Chemotherapy, radiotherapy, immune therapy in the previous 3 months
  • Pregnancy and/or breastfeeding
  • Skin lesions or dermatological conditions preventing proper sensor insertion
  • Cognitive impairment and/or other conditions preventing proper use of continuous glucose monitoring system
  • Lack of consent for the use of continuous glucose monitoring system

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Continuous glucose monitoring

Dexcom One+ continuous glucose monitoring system

Participants will be randomized to use Dexcom One+ continuous glucose monitoring system for 12 weeks, with control visits every four weeks.

다른: Self-monitoring of blood glucose

Participants will be randomized to continue self-monitoring of blood glucose with a glucose meter as per usual practice, with control visits every four weeks.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Change in time in range
기간: Week 12

Observed change in time in range (70-180 mg/dl) from baseline to week 12 in the group using CGM system compared to the group using SMBG.

Week 12

2차 결과 측정

결과 측정
측정값 설명
기간
Change in HbA1c
기간: Week 12

Observed change in the percentage of glycated haemoglobin (HbA1c) from baseline to week 12.

Week 12
Change in TITR
기간: Week 12

Observed change in time in tight range (TITR; 70-140 mg/dl) from baseline to week 12.

Week 12
Change in TAR
기간: Week 12

Observed change in time above range (TAR; >180 mg/dl) from baseline to week 12.

Week 12
Change in TBR
기간: Week 12

Observed change in time below range (TBR; <70 mg/dl) from baseline to week 12.

Week 12
Change in CV
기간: Week 12

Observed change in glycaemic variability assessed with coefficient of variation (CV) from baseline to week 12.

Week 12
Change in body weight (kg)
기간: Week 12

Observed change in body weight from baseline to week 12.

Week 12
Change in markers of early vascular disease
기간: Week 12

Observed change in the concentrations of circulating markers of subclinical vascular disease: oxLDL, VCAM-1, ICAM-1, E-selectin, interleukin 6, interleukin 18 from baseline to week 12.

Week 12
Change in diabetes distress: DDS
기간: Week 12

Observed change in diabetes distress measured with DDS questionnaire from baseline to week 12.

DDS is a 17-item questionnaire assessing diabetes distress over the previous month. Scores <2 points indicates no/little distress, 2-2.9 points - moderate distress, and ≥3 points - high distress.

Week 12
Change in PHQ-9
기간: Week 12

Observed change in Patient Health Questionnaire-9 (PHQ-9) score from baseline to week 12.

PHQ-9 is a 9-item questionnaire for screening, diagnosing, monitoring and measuring the severity of depression. Total score: 0-27 points; higher scores reflect greater severity of depressive symptoms.

Week 12
Change in quality of life: WHOQOL-BREF questionnaire
기간: Week 12

Observed change in abbreviated World Health Organization Quality of Life (WHOQOL-BREF) questionnaire from baseline to week 12.

Total score: 0-100 points; higher scores reflect higher quality of life.

Week 12
Change in sleep quality: PSQI
기간: Week 12

Observed change in sleep quality measured with Pittsburgh Sleep Quality Index (PSQI) from baseline to week 12.

Total score: 0-21 points; a score greater than 5 indicates significant sleep difficulties.

Week 12
Change in TIR after completing the intervention
기간: Week 24

Observed change in time in range (TIR; 70-180 mg/dl) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in HbA1c after completing the intervention
기간: Week 24

Observed change in the percentage of glycated haemoglobin (HbA1c) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in TITR after completing the intervention
기간: Week 24

Observed change in time in tight range (TITR; 70-140 mg/dl) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in TAR after completing the intervention
기간: Week 24

Observed change in time above range (TAR; >180 mg/dl) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in TBR after completing the intervention
기간: Week 24

Observed change in time below range (TBR; <70 mg/dl) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in CV after completing the intervention
기간: Week 24

Observed change in glycaemic variability assessed with coefficient of variation (CV) from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24
Change in markers of early vascular disease after completing the intervention
기간: Week 24

Observed change in the concentrations of circulating markers of subclinical vascular disease: oxLDL, VCAM-1, ICAM-1, E-selectin, interleukin 6, interleukin 18 from week 12 (end of intervention) to week 24 (post-intervention follow-up).

Week 24

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

협력자

수사관

  • 수석 연구원: Anna Krentowska, MD, PhD, Medical University of Bialystok

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 11월 1일

기본 완료 (추정된)

2028년 2월 1일

연구 완료 (추정된)

2028년 5월 1일

연구 등록 날짜

최초 제출

2026년 10월 30일

QC 기준을 충족하는 최초 제출

2026년 10월 30일

처음 게시됨 (실제)

2026년 11월 5일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 5일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 10월 30일

마지막으로 확인됨

2026년 10월 1일

추가 정보

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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