- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04620590
An Open Label Phase IV Study to Evaluate Dapagliflozin Treatment in Type 2 Diabetes Mellitus Patients With Impaired Renal Function
September 7, 2021 updated by: George Clinical Pty Ltd
DAPASALT: An Open Label, Phase IV, Mechanistic, Study to Evaluate the Natriuretic Effect of 2-Week Dapagliflozin Treatment in Type 2 Diabetes Mellitus Patients With Impaired Renal Function
Open label, mechanistic, single-arm study to evaluate the natriuretic effect of 2 weeks dapagliflozin treatment in T2DM patients with impaired renal function.
It will measure the average change in 24-hr sodium excretion from average Baseline to average values at Day 2 to 4 within the study group.
The study will allow for an up to 6-week Screening and Run-in Period, a 2-week Treatment Period and a 5-day Follow-up Period.
Patients will consume food from standardized food boxes starting on Day -6 (patients not on insulin) or Day -20 at the earliest (patients on insulin) of the study until Day 18 (inclusive).
Eligible patients will receive dapagliflozin 10 mg tablets once daily for 14±1 days starting on Day 1.
This will be followed by a Follow-up Period of 5 days.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Detailed Description
This is an open label, mechanistic, single-arm study to evaluate the natriuretic effect of 2 weeks dapagliflozin treatment in T2DM patients with impaired renal function.
The study population is as described below.
The maximum duration of the study will be 62 days including the allowed window periods for the study (±1 day for Visit 7 at Day 13).
The study will allow for an up to 6-week Screening and Run-in Period.
The Run-in Period should always last 6 days for patients not on insulin but may be up to 20 days (day -20 to day -1) for patients on insulin.
Patients on insulin may require a longer Run-in Period in order to be able to adjust their insulin requirements according to the caloric content of the food boxes, if needed.
It is recommended to keep the insulin dose stable during the trial, but investigators can change the dose if medically required.
However, it is not mandatory for the patient on insulin to use the entire extended Run-in Period.
Based on the Investigator's judgement, the Run-in Period may be shortened once each patient (on insulin) has had sufficient time to adapt to the food boxes, and it is determined that the patient's insulin requirement has stabilised sufficiently to continue in the study.
The study will then include a 2-week Treatment Period (Day 1 to Day 14) and a 5-day Follow-up Period: Day 15 to Day 19.
Patients will consume food from standardised food boxes (with sodium content 150 mmol) starting on Day -6 (patients not on insulin) or Day -20 at the earliest (patients on insulin) of the study until Day 18 (inclusive).
Eligible patients will receive dapagliflozin 10 mg tablets once daily for 14±1 days starting on Day 1.
This will be followed by a Follow-up Period of 5 days.
Study Type
Interventional
Enrollment (Anticipated)
17
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Suzanne M Milne, BS, MBA
- Phone Number: 1-901-390-0306
- Email: smilne@georgeclinical.com
Study Contact Backup
- Name: Melissa Atnip
- Phone Number: 1-901-484-4117
- Email: matnip@georgeclinical.com
Study Locations
-
-
Ontario
-
Toronto, Ontario, Canada, M5G 2C4
- Recruiting
- David Cherney, CM, PhD
-
Principal Investigator:
- David Cherney, MD, PhD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
16 years to 78 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Provision of signed and dated, written informed consent prior to any study-specific procedures.
- Female and/or male aged between 18 years and less than or equal to 80 years.
- A diagnosis of T2DM with HbA1c ≥6.5% (≥48 mmol/mol) and =11% (<97 mmol/mol); and eGFR (CKD-EPI) between ≥25 and ≤50 mL/min/1.73m2.
- Patient specific optimal antihypertensive dose of an ACEi or ARB (as per Investigator's judgement) for at least 6 weeks prior to Visit 4 (Day 1).
- A stable insulin dosing (intermediate, long-acting, premixed insulin, basal bolus insulin) for the last 12 weeks prior to Visit 4 (Day 1) as judged by the Investigator. Metformin, sulphonylurea, DPP4 inhibitors or any combinations of these agents with or without insulin would be accepted but is not mandatory. If used, stable dose of metformin, sulphonylurea, or DPP4 inhibitors or their combination as anti-diabetic therapy for the last 12 weeks prior to start of treatment with dapagliflozin is required.
- Suitable veins for cannulation or repeated venipuncture.
- Female patients must be 1 year post-menopausal, surgically sterile, or using an acceptable method of contraception (an acceptable method of contraception is defined as a barrier method in conjunction with a spermicide) for the duration of the study (from the time they sign consent) and for 3 months after the last dose of study drug to prevent pregnancy. In addition, oral contraceptives, approved contraceptive implant, long-term injectable contraception, intrauterine device, or tubal ligation are allowed. Oral contraception alone is not acceptable; additional barrier methods in conjunction with spermicide must be used.
- Patient specific optimal antihypertensive dose of an ACEi or ARB (as per Investigator's judgement) for at least 6 weeks prior to Visit 4 (Day 1).
- A stable insulin dosing (intermediate, long-acting, premixed insulin, basal bolus insulin) for the last 12 weeks prior to Visit 4 (Day 1) as judged by the Investigator. Metformin, sulphonylurea, DPP4 inhibitors or any combination of these agents with or without insulin would be accepted but is not mandatory. If used, stable dose of metformin, sulphonylurea, or DPP4 inhibitors or their combination as anti-diabetic therapy for the last 12 weeks prior to start of treatment with dapagliflozin is required.
Exclusion Criteria:
- Previous enrolment in the present study or participation in another clinical study with an investigational product during the last 6 months prior to Screening Visit (Visit 1).
- Involvement in the planning and conduct of the study (applies to both UMCG staff and staff at third party vendor or at investigational sites).
- Hypersensitivity to dapaglifozin, indocyanine green, sodium iodide, or iodine, or patients who have poorly tolerated indocyanine green in the past.
- Pacemaker or other implanted electronic devices.
- Pregnancy.
- Breastfeeding.
- Known clinically significant disease or disorder; or clinically relevant abnormal findings in physical examination, clinical chemistry, haematology and urinalysis; or unstable or rapidly progressing renal disease; other dietary restrictions that would make it difficult for the subject to follow the protocol required diet plan or any other condition or minor medical complaint, which, in the opinion of the investigator, may either put the patient atrisk because of participation in the study, or influence the results, or the patient's ability to participate in the study and comply with study procedures, restrictions and requirements.
- Diagnosis of T1DM.
- Hyperthyroidism or autonomic thyroid adenomas.
- Abnormal vital signs, after 10 minutes supine rest, defined as any opf the following (Visit 1); Systolic blood pressure above 180mmHg; Diastolic blood pressure above 110 mmHg; Pulse less than 50 bpm or greater than 100 bpm.
- Any of the following cardiovascular/vascular within 3 months prior to signing the consent at Visit 1, as assessed by the Investigator: myocardial infarction, cardiac surgery or revascularization (coronary artery bypass graft [CABG]/ percutaneous transluminal coronary angioplasty [PTCA], unstable angina, unstable heart failure, heart failure New York Association Class IV, transient ischemic attack or significant cerebrovascular disease, unstable or previously undiagnosed arrhythmia.
- Patients with severe hepatic impairment (Child-Pugh C).
- Ongoing weight-loss diet (hypocaloric diet) or use of weight-loss agents, unless the diet or treatment has been stopped at least 3 months before Screening Visit, ensuring patients having a stable body weight with no verified body weight variability of greater then 3 kg during the 3 months before Screening Visit.
- Symptoms/complaints suggestive of established neurogenic bladder and/or incomplete bladder emptying.
- History of bladder cancer.
- Non-diabetic kidney disease.
- UACR greater than 1000 mg/g per day at the Screening Visit based on spot urine sample (quantitative assessment).
- Current chronic use of the following medication: glucagon-like peptide receptor agonists or thiazolidinediones, oral glucocorticoids, non-steroidal anti-inflammatory drugs (NSAIDs), immune suppressants, chemotherapeutics, antipsychotics, tricyclic antidepressants (TCAs) and monoamine oxidase inhibitors.
- Receiving immunosuppressive or other immunotherapy for primary or secondary renal disease within 6 months prior to Screening Visit (Visit 1).
- Current treatment or treatment within the last 2 weeks prior to Screening Visit (Visit 1) with mineralocorticoid antagonists (loop or thiazide diuretics are allowed as long as they are used in stable dose for at least 4 weeks prior to screening).
- A metformin dose which is outside the specified dose range for renal impairment according to local guidelines and/or Investigator's judgement.
- Medicinal products and substances that can reduce or increase absorption of indocyanine green; anticonvulsants, bisulphite compounds, haloperidol, heroin, meperidine, metamizol, methadone, morphium, nitrofurantoin, opium alkaloids, phenobarbital, phenylbutazone (reduced absorption), and cyclopropane, probenecid, rifamycin (increased absorption).
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment Arm
Patients will receive dapagliflozin 10 mg tablets once daily for 14±1 days.
|
Dapagliflozin is a stable, reversible, highly selective, and orally active inhibitor of human renal sodium glucose co-transporter 2 (SGLT2), the major transporter responsible for glucose reabsorption in the kidney.
Patients will receive one tablet dapagliflozin 10 mg per day for a total period of 14±1 days.
This dose is the recommended dose for monotherapy and for add-on combination therapy with other glucose-lowering medicinal products including insulin to improve glycaemic control in T2DM.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in 24-hr sodium excretion
Time Frame: 24 hours
|
To investigate change in 24-hr sodium excretion during dapagliflozin treatment between Baseline (average of Days -3 to -1) and average of Days 2 to 4 within each study group in patients with type 2 diabetes mellitus (T2DM) with impaired renal function.
|
24 hours
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Hiddo JL Heerspink, Investigator
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 20, 2021
Primary Completion (Anticipated)
March 15, 2022
Study Completion (Anticipated)
April 15, 2022
Study Registration Dates
First Submitted
November 3, 2020
First Submitted That Met QC Criteria
November 3, 2020
First Posted (Actual)
November 9, 2020
Study Record Updates
Last Update Posted (Actual)
September 8, 2021
Last Update Submitted That Met QC Criteria
September 7, 2021
Last Verified
September 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Kidney Diseases
- Urologic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Renal Insufficiency
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Sodium-Glucose Transporter 2 Inhibitors
- Dapagliflozin
Other Study ID Numbers
- UMCG 20-001
- 2020-001247-12 (EudraCT Number)
- HC6-24-c243179 (Other Identifier: Health Canada)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
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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