Skip to main content
OpenTrials
Completed

NCT Number: NCT00778622

Body Weight Effects on Glucophage's Efficacy in Chinese Diagnosed T2DM Patients

The purpose of this study is to investigate the effect of the baseline body mass index (BMI) on the response to Glucophage XR monotherapy in glycemic control in Chinese patients with newly diagnosed type 2 diabetes

Completed

Looking for future studies?

Notify Me

Key information

Age range

17 year–79 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Local Institution, Beijing, Beijing Municipality, China

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Signed Written Informed Consent
  • Age≥ 17 and <80 years,
  • Newly diagnosed T2DM (defined as T2DM diagnosed within 6 months prior to enrollment)
  • Oral antidiabetic agents naïve (defined as without receiving any anti-diabetic medication therapy before, or having received anti-diabetic medication ≤ 14 days but not received any antidiabetic medication within the last 1 month prior to enrollment)
  • HbA1c ≥ 7.0% and ≤10.0%

Exclusion criteria

  • Women of child bearing potential
  • body mass index (BMI)≥35 Kg/m2 or BMI <18.5 Kg/m2
  • Hemoglobin A1c (HbA1c)>10.0% or <7.0%
  • Active liver disease and/or significant abnormal liver function
  • Acute or chronic metabolic acidosis, including diabetic ketoacidosis, with or without coma
  • Congestive heart failure defined as New York Heart Association (NYHA) class III or IV and /or left ventricular ejection fraction ≤40%
  • Significant cardiovascular history with the past 6 months
  • Severe retinopathy, persistent uncontrolled hypertension (SBP≥180mmHg, or DBP≥105mmHg)
  • Severe chronic gastrointestinal disease
  • History of alcohol abuse or illegal drug abuse within the past 12 months
  • Diagnosed anemia
  • Creatine kinase ≥3 X ULN
  • Serum creatinine ≥1.5 mg/dL(133μmol/L) [males], ≥1.4 mg/dL(124 μmol/L)[females]
  • Alanine amino transferase (ALT) and/or aspartate amino transferase (AST)> 1.5 X ULN and/or total bilirubin > 2 X ULN
  • Hemoglobin <12g/dL [males], <11g/dL [females]
  • Allergies and Adverse Drug Reactions
  • Prohibited Treatments and/or Therapies
  • Prisoners or subjects who are involuntarily incarcerated
  • Subjects who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness
  • Subjects decline to participate

Treatment and study plan

Metformin XR

Drug

Tablets, Oral, 500mg tid, 1500 mg/day, 16 weeks

Primary outcomes

  1. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Glycosated Hemoglobin A1c (HbA1c) (Last Observation Carried Forward) - Full Analysis Set (FAS)

    Time frame: Baseline to Week 16

    Baseline for HbA1c is defined as that value obtained at screening visit. HbA1c was measured as a percent (%) of hemoglobin; normal range was 4.7 to 6.4% and values were obtained through a central laboratory. The Last Observation Carried Forward (LOCF) data set includes data recorded at a given visit or, if no observation is recorded at that visit, data carried forward from the previous visit.

Secondary outcomes

  1. Mean Change From Baseline at Week 16 (95% Confidence Interval) of Fasting Plasma Glucose (FPG) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as the value obtained at the screening visit. FPG was measured in millimoles/Liter (mmol/L) and obtained through local laboratories.

  2. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Fasting Total Cholesterol (TC) - Full Analysis Set

    Time frame: Baseline to Week 16

    For fasting total cholesterol (TC), baseline is defined as Day 1 (first day of treatment). Total cholesterol was measured in millimoles per liter (mmol/L) and obtained through local laboratories.

  3. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Fasting Low-density Lipoprotein Cholesterol (LDL-C) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as values obtained on Day 1. Low-density lipoprotein cholesterol (LDL-C) was measured in millimoles per liter (mmol/L) and obtained through local laboratories.

  4. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Fasting High-density Lipoprotein Cholesterol (HDL-C) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as value obtained on Day 1 (first day of treatment). High-density lipoprotein cholesterol (HDL-C) was measured in millimoles per liter (mmol/L) and obtained through local laboratories.

  5. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Fasting Triglycerides (TG) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as value obtained on Day 1 (first day of treatment). Triglycerides (TG) were measured in millimoles per liter (mmol/L)and values obtained through local laboratories.

  6. Mean Change From Baseline at Week 16 (95% Confidence Interval) in C-Reactive Protein (CRP) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as value obtained on Day 1 (first day of treatment). C-Reactive Protein (CRP) was measured in milligrams/liter (mg/L) and values were obtained through a central laboratory; normal was less than 5.0 mg/L.

  7. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Plasminogen Activator Inhibitor-1 (PAI-1) - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as value obtained on Day 1 (first day of treatment). PAI-1 (activity) was measured in units/milliliter (U/mL)and values obtained through a central laboratory; normal was less than 25.00 U/mL.

  8. Mean Change From Baseline at Week 16 (95% Confidence Interval) in Adiponectin - Full Analysis Set

    Time frame: Baseline to Week 16

    Baseline was defined as value obtained on Day 1 (first day of treatment). Adiponectin was measured in milligrams/liter (mg/L) and values obtained through a central laboratory; normal range was 1.20 to 20.00 mg/L.

Other outcomes

  1. Number of Participants With Episodes of Lactic Acidosis or Hypoglycemia From Day 1 to Week 16 - Safety Population

    Time frame: Day 1 to Week 16

    Day 1 was first day of treatment. Lactic acidosis defined as elevated blood lactate levels (>5 mmol/L), decreased blood pH, electrolyte disturbances with an increased anion gap, and increased lactate/pyruvate ratio. Hypoglycemia (low levels of blood glucose) was reported as an adverse event. Safety population included participants who had enrolled in the study and took at least 1 dose of glucophage extended release (glucophage XR). If a subject experienced more than one adverse event, the subject was counted once at the highest severity.

  2. Number of Participants With Clinically Significant Changes From Baseline at Week 16 in the Hematology Laboratory Test Profile - Safety Population

    Time frame: Baseline to Week 16

    Hematology profile = hematocrit, hemoglobin, red blood cell count (RBC), white blood cell count(WBC), lymphocytes, monocytes, basophils, eosinophils, neutrophils, platelet count. Baseline: value obtained at screening or last value obtained before treatment. LLN=lower limit of normal; ULN=upper limit of normal; preRX=pretreatment. Hemoglobin (g/dL): >3 g/dL decrease from preRX; hematocrit (%): <0.75*preRX; RBC (*10^6 c/uL): <0.75*preRX; platelet count (*10^9 c/uL): <0.67*LLN or >1.5*ULN, of if preRX<LLN, use 0.5*preRX and <100,000/mm^3; WBC (*10^3 c/uL): <0.75*LLN or >1.25*ULN, or if preRX <LLN, use <0.8*preRX or >ULN, or if preRX>ULN, use >1.2*preRX or <LLN; neutrophils+bands (*10^3 c/uL): if value <1.0*10^3 c/uL; eosinophils (*10^3 c/uL): if value >0.750*10^3 c/uL; basophils (*10^3 c/uL): if value >400/mm^3; monocytes (*10^3 c/uL): if value >2000/mm^3; lymphocytes (*10^3 c/uL): if value <0.750*10^3 c/uL or if value >7.50*10^3 c/uL.

  3. Number of Participants Who Had Abnormal Increase From Baseline at Week 16 in Kidney or Liver Function Serum Chemistry Values - Safety Population

    Time frame: Baseline to Week 16

    Baseline defined as value obtained either in screening visit or last value obtained before glucophage XR treatment given on Day 1. Serum chemistries evaluating kidney or liver function: blood urea nitrogen(BUN), serum creatinine (SCr), Alanine aminotransferase (ALT), Aspartate aminotransferase (AST), total bilirubin (BR), uric acid (UA). Abnormal increase in kidney and liver function tests defined as 1.25 - less than, equal to (<=)2.6 times (x) upper limit of normal (ULN)in ALT, AST, total BR, UA; abnormal increase defined as 1.25 to <= 5.1 x ULN in BUN. Safety population included participants who enrolled in the study and took at least 1 dose of Glucophage XR.

  4. Number of Participants With Clinically Significant Changes From Baseline at Week 16 in Urinalysis - Safety Population

    Time frame: Baseline to Week 16

    Urinalysis included pH and specific gravity. Baseline defined as values obtained at screening visit. Clinically significant: outside the reference range (low/high)and judged to be significant by the investigator: Specific gravity 1.003 - 1.035; ph 5 - 8. Safety population included participants who enrolled in the study and took at least 1 dose of Glucophage XR.

  5. Mean Change From Baseline at Week at Week 16 in ECG Parameter Heart Rate (HR) - Safety Population

    Time frame: Baseline to Week 16

    Baseline was defined as ECG obtained at the screening visit. ECG was 12-lead. Heart rate (HR) was measured in beats per minute (beats/min). Safety population included participants who enrolled in the study and took at least 1 dose of Glucophage XR.

  6. Mean Change From Baseline at Week 16 in Diastolic and Systolic Blood Pressure - Safety Population

    Time frame: Baseline to Week 16

    Baseline was defined as the value obtained at screening or value obtained on Day 1 before treatment. Diastolic and systolic blood pressure was measured in millimeters of mercury (mm Hg). Safety population included participants who enrolled in the study and took at least 1 dose of Glucophage XR.

  7. Number of Participants Who Had a Normal Electrocardiogram (ECG) at Baseline and an ECG at Week 16 (or Termination Visit) Which Was Considered to be Abnormal With Clinical Significance - Safety Population

    Time frame: Baseline to Week 16

    Baseline was defined as ECG obtained at the screening visit. A judgment of clinical significance was at the discretion of the investigator. Safety population included participants who enrolled in the study and took at least 1 dose of Glucophage XR.

Sponsors and collaborators

Lead sponsor

Bristol-Myers Squibb

Industry

Registry information

Official study title

The Relationship Between Baseline Body Weight and Glycemic Control Following Metformin Extended-Release Tablets (Glucophage XR) Monotherapy in Chinese Patients With Newly Diagnosed Type 2 Diabetes

Important dates

Study start
2009
Primary completion
2011
Study completion
2011
First posted
Oct 23, 2008
Registry last updated
Aug 23, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.