- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04978649
Intervention for High-normal Blood Pressure in Adults With Type 2 Diabetes-----renal Substudy
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The IPAD-CKD trial is a randomized, open-label, parallel-designed, multicenter study. 5322 patients will be recruited over three years with a median follow up of 4.5 years. IPAD tests the hypothesis that intensive antihypertensive medical therapy in adult patients with type 2 diabetes, whose seated BP ranges from 120 to 139 mm Hg systolic and < 90 mm Hg diastolic, results in 20% reduction in the incidence of major renal events (the primary endpoint), a composite of renal failure and proteinuria progression. Secondary endpoints of this study include: renal failure ; proteinuria progression; proteinuria reversion; end stage renal disease; cardiovascular-cause mortality; MI; hospitalization for HF; stroke;hospitalization for unstable angina; all-cause mortality;development of diabetic retinopathy that needs interventional operation; peripheral arterial diseases; new on-set atrial fibrillation or flutter; cancer.
Inclusion criteria for the study include T2DM patients aged between 45 and 79 years within the aforementioned BP ranges. For participants in the intensive group, the sitting systolic BP should decrease to < 120 mm Hg, using titration and combination of study medications consisting of an angiotensin type-1 receptor blocker Allisartan (240 mg/day) and a dihydropyridine calcium-channel blocker (amlodipine 5-10 mg/day), and/or other medications if necessary.For those in the standard group, the sitting systolic pressure should be monitored and controlled below 140 mm Hg. Across the whole study, 310 primary endpoints are expected to occur. Interim analyses will be carried out on an intention-to-treat basis at the accumulation of 107 and 214 primary endpoints respectively. At the completion of the trial, both an intention-to-treat and a per-protocol analysis will be performed.
Study Type
Phase
- Phase 4
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- irrespective of sex;
- aged between 45 and 79 years;
- with office-measured seated BP 120-139 mm Hg systolic and below 90 mm Hg diastolic;
- diagnosed of type 2 diabetes mellitus (T2DM), currently on diabetic therapy; a glycosylated hemoglobin (HbA1c) ≤ 8.5%;
- informed consent provided and long-term follow-up possible
Exclusion Criteria:
- administration of any antihypertensive medications within 1 month;
- a history of hypoglycemic coma / seizure;
- confirmed diagnosis of type 1 diabetes mellitus;
- alanine-aminotransferase (ALT) or aspartate-aminotransferase (AST) over three times the upper limit of normal;
- estimated glomerular filtration rate < 45 ml/min/1.73m2;
- a history of congestive heart failure with left ventricular ejection fraction < 40%, requiring treatment with renin-angiotensin system (RAS) blockers; coronary artery disease requiring RAS blockers for secondary prevention;
- acute on-set of stroke within 6 months prior to randomization;
- a ratio of urinary albumin (in mg/L) to urinary creatinine (in g/L) (ACR) ≥ 300 mg/g;
- a history of primary or secondary renal diesease requiring a therapy using glucocorticoid or immunity inhibitor;
- a history of polycystic kidney;
- known contraindications for the active study medications;
- a history of psychological or mental disorder;
- pregnancy or currently planning to have babies or lactation;
- severe diseases such as severe valvular heart diseases;
- an expected residual life span less than 3 years;
- a malignancy that clinical investigators consider as unsuitable to participate;
- currently participating in another clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: intensive treatment group
Real antihypertensive agents will be provided for this arm, to decrease systolic BP to lower than 120 mm Hg.
In this group, the following study medications will be used: tablets with Allisartan Isoproxil 240 mg (first-line medication); tablets with Amlodipine 5 mg (second-line medication).
Treatment will be started with Allisartan 240 mg.
If necessary to reach the BP goal, Amlodipine (first 5 mg or then 10 mg daily) will be given in addition.
If intolerable side effects occur, first-line medication may be replaced by second-line medication.
|
Allisartan Isoproxil 240mg daily will be used to lower BP to below 120 mm Hg systolic.
Other Names:
Amlodipine 5mg daily will be added to Allisartan Isoproxil and afterwards increased to 10mg daily, if necessary to reach the blood pressure goal (below 120 mm Hg systolic).
Other Names:
|
Placebo Comparator: standard treatment group
In this arm participants are followed up and no medications be used until BP becomes ≥ 140 mm Hg systolic and/or 90 mm Hg diastolic.
Medications are determined by investigators in lines with recommendations by current Chinese guidelines to decrease BP to lower than 140 mm Hg systolic and to lower than 90 mm Hg diastolic.
|
Allisartan Isoproxil 240mg daily will be used to lower BP to below 120 mm Hg systolic.
Other Names:
Amlodipine 5mg daily will be added to Allisartan Isoproxil and afterwards increased to 10mg daily, if necessary to reach the blood pressure goal (below 120 mm Hg systolic).
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Composite of Major Renal Events
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
The major renal events defined in the study include a composite of renal failure (defined as dialysis, transplantation, or a sustained estimated GFR of <15 ml per minute per 1.73 m 2), or serum creatinine level >3.3 mg/dl, or a doubling of the serum creatinine level)and proteinuria progression(defined as:uACR ≥30 mg/gCr if baseline uACR< 30 mg/gCr; uACR ≥300 mg/gCr if baseline uACR is between 30 to 300 mg/gCr. ) |
From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
renal failure
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
dialysis, transplantation, or a sustained estimated GFR of <15 ml per minute per 1.73 m 2), or serum creatinine level >3.3 mg/dl, or a doubling of the serum creatinine level
|
From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
proteinuria progression
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
uACR ≥30 mg/gCr if baseline uACR< 30 mg/gCr; uACR ≥300 mg/gCr if baseline uACR is between 30 to 300 mg/gCr.
|
From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
proteinuria reversion
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
uACR <30mg/gCr if baseline uACR is between 30 to 300 mg/gCr.
|
From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
cardiovascular-cause mortality
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Cardiovascular death include death caused by stroke, MI, HF, sudden death or any other death attributed to cardiovascular diseases.
Sudden death (ICD-Code I46.1, R96) encompasses any death of unknown origin occurring instantly or within an estimated 24 hours after the onset of acute symptoms as well as unattended death for which no likely cause can be established by autopsy or recent medical history.
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From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Acute Myocardial Infarction
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Acute myocardial infarction (MI) is defined when any one of the following criteria occurs.
(1) Detection of a rise and/or fall of cardiac biomarker values, with at least one value above the 99th percentile upper reference limit and with at least one of the following manifestations: symptoms of ischaemia that should have lasted for at least 30 minutes and should not have been responsive to sublingual administration of nitrates; new or presumed new significant ST-segment-T wave changes or new left bundle branch block (LBBB); development of pathological Q waves in the ECG; imaging evidence of new loss of viable myocardium or new regional wall motion abnormality.
(2) Identification of an intracoronary thrombus by angiography or autopsy.
(3) Cardiac death with symptoms suggestive of myocardial ischaemia and presumed new ischaemic ECG changes or new LBBB, but death occurred before cardiac biomarkers were obtained, or before cardiac biomarker values would be increased.
|
From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Hospitalization of Congestive Heart Failure
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Congestive heart failure (HF) requires the presence of three conditions, namely symptoms, such as dyspnea, clinical signs, such as ankle edema or crepitations, and the necessity to initiate treatment with open-label diuretics, vasodilators or antihypertensive drugs.
HF cases may also be adjudicated as chronic stable HF but this is not considered an outcome of the present study.
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From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Hospitalization of Unstable Angina
Time Frame: From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
Unstable angina is defined as new onset or worsening angina pectoris requiring hospitalization with angiographically documented coronary atherosclerosis or transient electrocardiographic changes of the ST-segment or T-wave without evidence for myocardial necrosis.
This diagnosis excludes patients with angina pectoris admitted to the hospital only for investigation.
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From date of randomization until the date of first documented incidence of the major renal events prespecified, whichever comes first, assessed up to 60 months
|
All-cause Mortality
Time Frame: Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
All-cause mortality refers to death from any causes.
|
Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
Diabetic Retinopathy Requiring Interventional Operation or Surgery
Time Frame: Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
Diabetic retinopathy requiring interventional operation or surgery is defined as the confirmed diagnosis of diabetic retinopathy, indicated for interventional operation or surgery, which is documented by ophthalmologists.
|
Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
Peripheral Arterial Diseases Requiring Revascularization
Time Frame: Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
Peripheral arterial diseases requiring revascularization are defined as the confirmed diagnosis of any one of the peripheral arterial diseases indicated for revascularization.
|
Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
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New Atrial Fibrillation or Flutter
Time Frame: Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
|
Atrial fibrillation or flutter is confirmed and documented with electrocardiogram indicating the occurence of atrial fibrillation or flutter.
New development of atrial fibrillation or flutter is defined only if a participant at baseline has no history of and his or her electrocardiogram shows no signs of atrial fibrillation or flutter.
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Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
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Cancer
Time Frame: Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
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Cancer defined in the present study is recorded only when there is pathologically confirmed evidence.
|
Time Frame: From date of randomization until the date of death from any causes, assessed up to 60 months.
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Collaborators and Investigators
Investigators
- Study Chair: Xueqing Yu, Doctor, Guangdong Provincial People's Hospital
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Vasodilator Agents
- Membrane Transport Modulators
- Calcium-Regulating Hormones and Agents
- Calcium Channel Blockers
- Amlodipine
Other Study ID Numbers
- GDPH-IPAD-CKD
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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