- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT02104804
Evaluate the Efficacy and Safety of Saxagliptin Added to Insulin Monotherapy or to Insulin Combined With Metformin in Chinese Subjects With Type 2 Diabetes Who Have Inadequate Glycaemic Control
A Multicenter, Randomized, Double-Blind, Phase 3b Trial to Evaluate the Efficacy and Safety of Saxagliptin Added to Insulin Monotherapy or to Insulin in Combination With Metformin in Chinese Subjects in China With Type 2 Diabetes Who Have Inadequate Glycaemic Control on Insulin Alone or on Insulin in Combination With Metformin
연구 개요
상세 설명
Study Design: Randomized, prospective, double-blind, two-arm, parallel group, multi-center trial.
Target Subject Population: Subjects aged ≥18 who have type 2 diabetes (HbA1c of ≥7.5% and ≤11.0% and FPG<270 mg/dL (15 mmol/L)) on stable baseline therapy (insulin alone or insulin combined with metformin, with insulin at doses of ≥20 and ≤150 units per day total) for at least eight weeks at the time of screening. Insulin may be long-acting, intermediate-acting, or pre-mixed. 444 patients are planned to be randomized.
Investigational Product, Dosage and Mode of administration: Active treatment will comprise Saxagliptin 5 mg tablets once daily.
Comparator, Dosage and Mode of administration: Matching placebo tablets will be used as comparator.
Duration of Treatment: The study is divided to a single blind placebo lead in period of 8 weeks and a double-blind treatment phase of 24 weeks. Patients will be rescued based on high FPG values.
Statistical Methods: The analysis of the primary endpoint of change from baseline to week 24 of treatment in HbA1c will consist of an analysis of covariance (ANCOVA) model with treatment group and metformin use at enrolment as fixed effects and baseline HbA1c value as a covariate. The analysis will be performed on the Full analysis Set (FAS) consisting of randomised subjects who received at least 1 randomised investigational product dose and had at least 1 non-missing baseline and 1 post-baseline efficacy assessment. Within the framework of the ANCOVA model, point estimates and two-sided 95% confidence intervals (CI) for the mean change within each treatment group as well as for the difference in mean change between treatment groups will be calculated.
The Per Protocol (PP) analysis set is a subset of the full analysis set and will consist of subjects who do not deviate from the terms of the protocol which may affect the study outcome significantly as specified in the pre-defined protocol deviation list prior to unblinding the study. All decisions to exclude subjects from the primary data set will be made prior to the unblinding of the study. The primary efficacy endpoint of change from baseline in HbA1c, demographics, and baseline diabetes related characteristics and all secondary efficacy endpoints are to be analyzed using the PP Data Set. The analyses of PPG AUC, 120 minute PPG, FPG and mean total daily dose of insulin will also be done on the FAS and use a similar ANCOVA model as described above. Subjects achieving a therapeutic glycaemic response (A1C <7%) will be analyzed using a Fisher's exact test and will include exact 95% confidence intervals. The FPG analyses will utilize the mean of the latest two FPG values prior to randomization as the baseline value. The endpoint for the FPG analysis will be the mean of the week 20 and week 24 FPG values. All analyses (except the analysis of mean total daily dose of insulin) will utilize only observations at visits prior to rescue or where the subject's mean total daily dose of insulin has not increased by >10% from baseline. If an observation at week 24 is missing or does not meet these criteria, the latest post-baseline value that does will be carried forward (LOCF). The analysis of mean total daily dose of insulin will utilize the latest, non-missing, post-baseline value regardless of rescue. Multiplicity for the primary and secondary endpoints will be controlled via a hierarchical testing procedure that utilizes the full alpha (0.05) for each test. The sequence of testing will be: 1. Change from baseline in HbA1c at Week 24. 2. Change from baseline in PPG AUC at Week 24.3. Change from baseline in 120 minute PPG at Week 24. 4. Proportion of subjects achieving HbA1c <7.0% at Week 24. 5. Change from baseline in FPG to the mean at Week 20 and Week 24. 6. Change from baseline in MTDDI at Week 24.
연구 유형
등록 (실제)
단계
- 3단계
연락처 및 위치
연구 장소
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Beijing, 중국
- Research Site
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Changchun, 중국
- Research Site
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Fuzhou, 중국
- Research Site
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Guangzhou, 중국
- Research Site
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Ha'er bing, 중국
- Research Site
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Hefei, 중국
- Research Site
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Nanchang, 중국
- Research Site
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Nanjing, 중국
- Research Site
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Shanghai, 중국
- Research Site
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ShiJiazhuang, 중국
- Research Site
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Shiyan, 중국
- Research Site
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Provision of informed consent before participating in the study.
- Diagnosed with type 2 diabetes.
- Inadequate glycemic control (screening: HbA1c ≥7.5% and ≤11.0% and FPG<270 mg/dL (15mmol/L). At Day -4 visit, HbA1c ≥7.5% and ≤10.5%. and FPG<270 mg/dL (15mmol/L)).
- On a stable dose of insulin for 8 weeks or longer prior to screening.
- If taking metformin, subjects should have been taking the same daily dose for 8 weeks or longer prior to screening.
- Insulin type should be intermediate-acting or long-acting (basal) or premixed (premixed formulation may include short- or rapid-acting insulin as one component).
- Body mass index ≤45 kg/m^2.
Exclusion Criteria:
- Women of childbearing potential unable or unwilling to use acceptable birth control.
- Women who are pregnant or breastfeeding.
- Symptoms of poorly controlled diabetes. including but not limited to, marked polyuria and polydipsia with greater than 10% weight loss during the last three months prior to screening or other signs and symptoms.
- Significant cardiovascular history defined as: myocardial infarction, coronary angioplasty or bypass graft, valvular disease or repair, unstable clinical significant arrhythmia, unstable angina pectoris, transient ischemic attack, or cerebrovascular accident.
- Congestive heart failure
- Chronic or repeated intermittent corticosteroid treatment (subjects receiving stable doses of replacement corticosteroid (except dexamethasone) therapy may be enrolled).
- History of unstable or rapidly progressing renal disease.
- History of alcohol or drug abuse within the previous year.
- Unstable major psychiatric disorders.
- History of hemoglobinopathies
- Immunocompromised status
- Severe liver disease.
- In subjects treated with insulin alone a calculated creatinine clearance <50 ml/min. In patients treated with insulin in combination with metformin a calculated creatinine clearance <60 ml/min or serum creatinine > 1.5 mg/dL in males or > 1.4mg/dL in females.
- Anemia
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 네 배로
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: Saxagliptin 5mg
Saxagliptin 5mg, administered to subjects with Type 2 diabetes inadequately controlled with insulin alone or with insulin plus metformin
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Saxagliptin 5mg (plus stable insulin dose), given orally once daily (24 weeks); subjects stratified by use of stable metformin dose; flexible insulin dose (as needed for rescue).
다른 이름들:
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위약 비교기: Placebo
Placebo administered to subjects with Type 2 diabetes inadequately controlled with insulin alone or with insulin plus metformin
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Placebo tablets (plus stable insulin dose), given orally once daily (24 weeks); subjects stratified by use of stable metformin dose; flexible insulin dose (as needed for rescue).
다른 이름들:
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
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Change in HbA1c From Baseline to Week 24
기간: Baseline to 24 weeks
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Baseline to 24 weeks
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2차 결과 측정
결과 측정 |
기간 |
---|---|
Change in Postprandial Glucose AUC From Baseline to Week 24 During a Meal Tolerance Test
기간: Baseline to 24 weeks
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Baseline to 24 weeks
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Analysis of Change in 120-minute PPG From Baseline to Week 24 During a Meal Tolerance Test
기간: Baseline to 24 weeks
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Baseline to 24 weeks
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Percentage of Patients Achieving a Therapeutic Glycaemic Response of HbA1c <7%
기간: At Week 24
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At Week 24
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The Analysis of Change in Fasting Plasma Glucose From Baseline to Week 24 (This Was the Average of Weeks 20 and 24)
기간: Baseline to Average of Weeks 20 and 24
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Baseline to Average of Weeks 20 and 24
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Analysis of Change in Mean Total Daily Dose of Insulin From Baseline to Week 24
기간: Baseline to 24 weeks
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Baseline to 24 weeks
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공동 작업자 및 조사자
스폰서
수사관
- 수석 연구원: Linong Ji, Professor, People's Hospital of Peking Universty
간행물 및 유용한 링크
일반 간행물
- Drucker DJ. Dipeptidyl peptidase-4 inhibition and the treatment of type 2 diabetes: preclinical biology and mechanisms of action. Diabetes Care. 2007 Jun;30(6):1335-43. doi: 10.2337/dc07-0228. Epub 2007 Mar 2. No abstract available.
- Cockcroft DW, Gault MH. Prediction of creatinine clearance from serum creatinine. Nephron. 1976;16(1):31-41. doi: 10.1159/000180580.
- Fonseca V, Schweizer A, Albrecht D, Baron MA, Chang I, Dejager S. Addition of vildagliptin to insulin improves glycaemic control in type 2 diabetes. Diabetologia. 2007 Jun;50(6):1148-55. doi: 10.1007/s00125-007-0633-0. Epub 2007 Mar 27.
- Pan CY, Yang W, Tou C, Gause-Nilsson I, Zhao J. Efficacy and safety of saxagliptin in drug-naive Asian patients with type 2 diabetes mellitus: a randomized controlled trial. Diabetes Metab Res Rev. 2012 Mar;28(3):268-75. doi: 10.1002/dmrr.1306.
- Vilsboll T, Rosenstock J, Yki-Jarvinen H, Cefalu WT, Chen Y, Luo E, Musser B, Andryuk PJ, Ling Y, Kaufman KD, Amatruda JM, Engel SS, Katz L. Efficacy and safety of sitagliptin when added to insulin therapy in patients with type 2 diabetes. Diabetes Obes Metab. 2010 Feb;12(2):167-77. doi: 10.1111/j.1463-1326.2009.01173.x.
- Yang W, Pan CY, Tou C, Zhao J, Gause-Nilsson I. Efficacy and safety of saxagliptin added to metformin in Asian people with type 2 diabetes mellitus: a randomized controlled trial. Diabetes Res Clin Pract. 2011 Nov;94(2):217-24. doi: 10.1016/j.diabres.2011.07.035. Epub 2011 Aug 26.
- Chen Y, Liu X, Li Q, Ma J, Lv X, Guo L, Wang C, Shi Y, Li Y, Johnsson E, Wang M, Zhao J, Ji L. Saxagliptin add-on therapy in Chinese patients with type 2 diabetes inadequately controlled by insulin with or without metformin: Results from the SUPER study, a randomized, double-blind, placebo-controlled trial. Diabetes Obes Metab. 2018 Apr;20(4):1044-1049. doi: 10.1111/dom.13161. Epub 2017 Dec 18.
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- D1680C00010
- 2014L00001 (기타 식별자: China: State Food and Drug Administration)
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제2형 당뇨병에 대한 임상 시험
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Saxagliptin 5mg에 대한 임상 시험
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