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Adding Liraglutide to High Dose Insulin: Breaking the Cycle

2017년 12월 15일 업데이트: Ildiko Lingvay

The purpose of this study is to evaluate whether the addition of liraglutide 1.8 mg/day to a high-dose insulin regimen (>1.8 units/kg/day) in patients with uncontrolled (HbA1c >7.5%) type 2 diabetes mellitus will improve blood sugar control.

It also evaluates the effect of liraglutide on liver and pancreatic fat content, explores the mechanism of blood sugar improvement by assessing weight and pancreatic hormone release, and assesses blood pressure, lipid profile, and liver function. Finally it will look at patient quality of life and safety.

연구 개요

상태

완전한

정황

개입 / 치료

상세 설명

Type 2 diabetes is a progressive disease with incessant beta-cell dysfunction that often ultimately requires insulin treatment. Patients requiring high insulin dosages represent a particular treatment challenge and often have uncontrolled glycemia despite progressive dose increases and are especially prone to insulin related lipotoxicity and weight gain.

Glucagon-like peptide agonists (GLP-1) such as liraglutide have many actions that position them to break the vicious cycle in this population through the following mechanisms: (1) weight loss; (2) improved hepatic steatosis; (3) improved pancreatic steatosis; (4) decreased glucagon levels; (5) improved beta-cell function.

The purpose of the study is to demonstrate that liraglutide is both effective and safe when added to a high dose insulin treatment regimen. Liraglutide will improve glycemic control, weight, metabolic parameters, as well as patient satisfaction, with minimal adverse events. The study also proposes to study the mechanisms through which such improvements might occur, especially beta-cell function, glucagon levels, and hepatic and pancreatic fat content.

연구 유형

중재적

등록 (실제)

71

단계

  • 4단계

연락처 및 위치

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

연구 장소

  • 미국
    • Texas
      • Dallas, Texas, 미국, 75390
        • UT Southwestern

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 이상 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Inclusion Criteria:

  • Type 2 diabetes mellitus
  • Insulin dose of >1.8 units/kg/day (represents total daily insulin dose, regardless of formulation, regimen, number of daily shots)
  • HbA1c ≥ 7.5% and ≤ 11%
  • Age ≥ 18
  • Stable comorbidities on stable treatment regimens
  • Stable dose of all oral hypoglycemics for ≥ 3 months prior to enrollment
  • Ability to provide informed consent before any trial-related activities

Exclusion Criteria:

  • Type 1 diabetes mellitus
  • Any contraindication to the MRI procedure (metallic implants, severe claustrophobia, pregnancy, unable to lie still on a hard table for the duration of the procedure, weight above 400 lb - limit of the MRI table, magnet's inner circumference smaller than the largest body circumference)
  • History of any pancreatic disease as it might interfere with the pancreatic TG measurement (i.e. pancreatitis, tumors, cysts, type 1 diabetes, any pancreatic surgery)
  • End Stage Renal Disease on dialysis due to increased risk of hypoglycemia, and possible interference with accurate measurement of HbA1c
  • Incretin therapy (any GLP-1 agonist or DPP-IV inhibitor)
  • Unstable or decompensated comorbidities
  • Personal or family history of medullary thyroid carcinoma or MEN-2 syndrome
  • Severe gastroparesis
  • Pregnancy, breast feeding, intention to become pregnant, or not using adequate contraceptive measures
  • Organ transplant recipient or waiting list candidate
  • Steroid use (current or potential use during the trial)
  • Known/suspected allergy to trial medication, excipients, or related products
  • Contraindications to study medications, worded specifically as stated in the product's prescribing information
  • Non-English speaking volunteers since no interpreters are available and the safety of the volunteers could be jeopardized if adequate and reliable communication is not possible.

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: 삼루타

무기와 개입

참가자 그룹 / 팔
개입 / 치료
활성 비교기: 리라글루타이드
의약품: Liraglutide
Liraglutdie 1.8mg injected subcutaneously from pen device once daily for 6-months
다른 이름들:
  • 빅토자
위약 비교기: 식염수 주사
의약품: Saline
Placebo injection of 1.8mg saline once daily for 6-months

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Glycemic Control Measured by HbA1c
기간: 6-months
HbA1c (%)
6-months

2차 결과 측정

결과 측정
측정값 설명
기간
Pancreatic and Hepatic Triglyceride Content
기간: 6-months
Liver Triglyceride and Pancreatic Triglyceride
6-months
Weight
기간: 6-months
6-months
Beta-Cell Function
기간: 6-months
Fasting Glucose as a Measure of Beta-Cell Function
6-months
Glucagon
기간: 6-months
Measured during mixed meal challenge test.
6-months
Total Daily Insulin Dose
기간: 6-months
The 3 days average of the total daily dose of insulin used within 3 consecutive days prior office visit 6 month.
6-months
Number of Daily Injections
기간: 6-months
The 3 days average of the number of daily injections performed within 3 consecutive days prior office visit 6 month.
6-months
Blood Pressure
기간: 6-months
6-months
Lipid Profile
기간: 6-months
6-months
Liver Function Blood Test
기간: 6-months
6-months
Hypoglycemic Events
기간: 6-months
Reported as hypoglycemic events per month by patient as any blood glucose <70 mg/dl or symptoms of hypoglycemia with blood glucose >70 mg/dl
6-months
Quality of Life Survey (QoL) - General Health Perception
기간: 6-months
General health perception was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1-5, where 1 = excellent; 2 = very good; 3 = good; 4 = fair; 5 = poor.
6-months
Beta-Cell Function
기간: 6 months
Fasting C-peptide as a Measure of Beta-Cell Function
6 months
Matsuda Index as a Measure of Beta Cell Function
기간: 6 months
The Matsuda index is a measure of insulin sensitivity and has no minimum/maximum values. Index values are calculated as 500,000/square root of ((fasting glucose x fasting c-peptide x 333) x (mean 120 min post-meal glucose x mean 120 min post-meal c-peptide x 333)). Higher/lower values = better/worse insulin sensitivity.
6 months
Beta-cell Function
기간: 6 Months
AUC c-peptide
6 Months
Ratio (AUC C-peptide/AUC Glucose)
기간: 6 months
6 months
AUC Glucose
기간: 6 months
6 months
Quality of Life Survey (QoL) - Current Health Perception
기간: 6 months
Current health perception was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1-5, where 1 = much better than 3 months ago; 2 - Somewhat better now than 3 months ago; 3 - About the same; 4 - Somewhat worse now than 3 months ago; 5 Much worse now than 3 months ago.
6 months
Quality of Life Survey (QoL) - Treatment Satisfaction
기간: 6 months
Quality of Life Survey (QoL) - treatment satisfactionTreatment satisfaction was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1-5, where 1 - very satisfied; 2 - moderately satisfied; 3 - neither satisfied nor dissatisfied; 4 - moderately dissatisfied; 5 - very dissatisfied.
6 months
Quality of Life Survey (QoL) - Treatment Impact
기간: 6 months
Treatment impact was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1-5, where 1 - very satisfied; 2 - moderately satisfied; 3 - neither satisfied nor dissatisfied; 4 - moderately dissatisfied; 5 - very dissatisfied.
6 months
Quality of Life Survey (QoL) - Social or Vocational Worry
기간: 6 months
Social or vocational worry was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 0-5, where 0 - does not apply; 1 - never; 2 - seldom; 3 - sometimes; 4 - often; 5 - all of the time.
6 months
Quality of Life Survey (QoL) - Hypoglycemia Fear
기간: 6 months
Hypoglycemia fear was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1-5, where 1 - never worry; 2 - rarely water; 3 - sometimes worry; 4 - often worry; 5 - very often worry.
6 months
Quality of Life Survey (QoL) - Glycemia Control Perception
기간: 6 months
Glycemia control perception was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a scale score of 1-7, where 1 - extremely controlled and 7 - not at all controlled.
6 months
Quality of Life Survey (QoL) - Lifestyle Flexibility
기간: 6 months
Lifestyle flexibility was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1 to 5, where 1 - a great deal of choice; 2 - a lot of choice; 3 - some choice; 4 - a little choice; 5 - no choice.
6 months
Quality of Life Survey (QoL) - Social Stigma
기간: 6 months
Social stigma was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a Likert scale score of 1 to 5, where 1 strongly agree; 2 - somewhat agree; 3 - neither agree nor disagree; 4 - somewhat disagree; 5 - strongly disagree.
6 months
Quality of Life Survey (QoL) - Satisfaction With Insulin Treatment
기간: 6 months
Satisfaction with insulin treatment was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a scale score of 1 to 7, where 1 extremely satisfied to 7 - not at all satisfied.
6 months
Quality of Life Survey (QoL) - Willingness to Continue Insulin Treatment
기간: 6 months
Willingness to continue insulin treatment was measured at randomization and 6 months later using the modified Diabetes Quality of Life Clinical Trial Questionnaire. This questionnaire addresses several areas with respect to diabetes QoL. Answers are in the form of a scale score of 1 to 7, where 1 extremely willing to 7 - not at all willing.
6 months

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Ildiko Lingvay

협력자

Novo Nordisk A/S

수사관

  • 수석 연구원: Ildiko Lingvay, MD, UT Southwestern

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

일반 간행물

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

2012년 1월 1일

기본 완료 (실제)

2016년 6월 1일

연구 완료 (실제)

2016년 6월 1일

연구 등록 날짜

최초 제출

2012년 1월 4일

QC 기준을 충족하는 최초 제출

2012년 1월 5일

처음 게시됨 (추정)

2012년 1월 6일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2018년 1월 16일

QC 기준을 충족하는 마지막 업데이트 제출

2017년 12월 15일

마지막으로 확인됨

2017년 12월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • IIS-000235

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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정황

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약물 개입

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위치

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