Updated June 2026 · ClinicalTrials.gov

RECRUITINGPhase 4INTERVENTIONAL

DiEtary Sodium Intake Effects on Ertugliflozin-induced Changes in GFR, reNal Oxygenation and Systemic Hemodynamics: the DESIGN Study, a Randomized, Placebo-controlled, Cross-over Study With Ertugliflozin in People With Type 2 Diabetes

DiEtary Sodium Intake Effects on Ertugliflozin-induced Changes in GFR, reNal Oxygenation and Systemic Hemodynamics: the DESIGN Study, a Randomized, Placebo-controlled, Cross-over Study With Ertugliflozin in People With Type 2 Diabetes (NCT06983054) is a Phase 4 interventional studying Type 2 Diabetes, sponsored by Amsterdam UMC, location VUmc. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

About This Trial

SGLT2 inhibitors have demonstrated to mitigate cardiorenal risk in people with type 2 diabetes and are likely to play an increasingly large role in the treatment of patients with diabetes, chronic kidney disease and hypertension. Yet the underlying mechanisms of its protective effects are incompletely understood and the salutary effect may be altered by dietary factors such as sodium intake. Therefore, carefully designed mechanistic trials are needed to better understand the interplay between ertugliflozin and salt intake and to potentially modify salt intake to maximize treatment response. In addition, the study could contribute to hypotheses concerning the effects of SGLT2 inhibitors in combination with other drugs that affect sodium homeostasis and could help to explain the differences in kidney outcomes observed in (outcome) trials, which include different ethnicities with potential differences in dietary habits.

What Stage of Research Is This?

Phase 4 studies happen after a treatment has been approved by the FDA. They monitor long-term safety, real-world effectiveness, and any rare side effects that only emerge in larger populations over longer periods. Phase 4 results sometimes lead to label changes, additional warnings, or — rarely — withdrawal of approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

With a target enrollment of 34 participants, this is a small study — typical of early-phase research, rare-disease trials, or pilot studies designed to generate preliminary signal before a larger study is launched.

Who May Be Eligible (Plain English)

Who May Qualify: Adults with previously diagnosed T2DM according to American Diabetes Association (ADA) criteria - HbA1c 6.5-10% - Age 18 - 85 years of age - Overweight or obese with BMI: \>25 kg/m2 - We will make every effort to enrol participants of all races/ethnicities." - Both sexes (females must be post-menopausal; no menses \>1 year; in case of doubt, Follicle-Stimulating Hormone (FSH) will be determined with cut-off defined as \>31 U/L) - Ability to provide signed and dated, written willing to sign a consent form prior to any study procedures - Estimated GFR 60-90 ml/min/1.73m2 by CKD-EPI matching the eGFR range of most participants in VERTIS-CV - Sodium intake at baseline \< 200 mmol/day - UACR \< 30 mg/mmol - All participants need to be on a stable dose of diabetes medication, including Metformin, SU, DPP4-inhibitors, or insulin. - Participants suffering from hypertension need to be on a stable dose of RAS inhibitors. In case RAS inhibition is not tolerated, the participant should to be on a stable dose of other antihypertensive treatment. Who Should NOT Join This Trial: - History of unstable or rapidly progressing renal disease NL80772.029.22 / DC2022ERTU DESIGN Protocol DESIGN, Study NO. 2022.0737 Version 5.0dd22-02-2024 14 of 45 - Estimated GFR \<60 mL/min/1.73m2 or eGFR \> 90 mL/min/1.73m2 determined by CKD-EPI - UACR \> 30 mg/mmol - Current/chronic use of the following medication: SGLT2 inhibitors, TZD, GLP-1RA, glucocorticoids, immune suppressants, antimicrobial agents, chemotherapeutics Participants should be on a stable dose of antipsychotics, tricyclic antidepressants (TCAs) and monoamine oxidase inhibitors (MAOIs). Subjects on diuretics will only be excluded when these drugs cannot be stopped for the duration of the study. - Chronic use of non-steroidal anti-inflammatory drugs (NSAIDs) will not be allowed, unless used as incidental medication (1-2 tablets) for non-chronic indications (i.e. ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language

Inclusion Criteria: Adults with previously diagnosed T2DM according to American Diabetes Association (ADA) criteria * HbA1c 6.5-10% * Age 18 - 85 years of age * Overweight or obese with BMI: \>25 kg/m2 * We will make every effort to enrol participants of all races/ethnicities." * Both sexes (females must be post-menopausal; no menses \>1 year; in case of doubt, Follicle-Stimulating Hormone (FSH) will be determined with cut-off defined as \>31 U/L) * Ability to provide signed and dated, written informed consent prior to any study procedures * Estimated GFR 60-90 ml/min/1.73m2 by CKD-EPI matching the eGFR range of most participants in VERTIS-CV * Sodium intake at baseline \< 200 mmol/day * UACR \< 30 mg/mmol * All participants need to be on a stable dose of diabetes medication, including Metformin, SU, DPP4-inhibitors, or insulin. * Participants suffering from hypertension need to be on a stable dose of RAS inhibitors. In case RAS inhibition is not tolerated, the participant should to be on a stable dose of other antihypertensive treatment. Exclusion Criteria: * History of unstable or rapidly progressing renal disease NL80772.029.22 / DC2022ERTU DESIGN Protocol DESIGN, Study NO. 2022.0737 Version 5.0dd22-02-2024 14 of 45 * Estimated GFR \<60 mL/min/1.73m2 or eGFR \> 90 mL/min/1.73m2 determined by CKD-EPI * UACR \> 30 mg/mmol * Current/chronic use of the following medication: SGLT2 inhibitors, TZD, GLP-1RA, glucocorticoids, immune suppressants, antimicrobial agents, chemotherapeutics Participants should be on a stable dose of antipsychotics, tricyclic antidepressants (TCAs) and monoamine oxidase inhibitors (MAOIs). Subjects on diuretics will only be excluded when these drugs cannot be stopped for the duration of the study. * Chronic use of non-steroidal anti-inflammatory drugs (NSAIDs) will not be allowed, unless used as incidental medication (1-2 tablets) for non-chronic indications (i.e. sports injury, headache or back ache). However, no such drug can be taken within a timeframe of 2 weeks prior to renal testing * History of diabetic ketoacidosis (DKA) requiring medical intervention (e.g. emergency room visit and/or hospitalization) within 1 month prior to the Screening visit. * Current urinary tract infection and active nephritis * Recent (\<6 months) history of cardiovascular disease, including: * Acute coronary syndrome * Chronic heart failure (New York Heart Association grade II-IV) * Stroke or transient ischemic neurologic disorder * Severe hepatic insufficiency and/or significant abnormal liver function defined as aspartate aminotransferase (AST) \>3x upper limit of normal (ULN) and/or alanine aminotransferase (ALT) \>3x ULN * Active malignancy. History of malignancy is allowed unless the participant still has active treatment other than hormonal therapy.• History of or actual severe mental disease * Substance abuse (alcohol: defined as \>4 units/day) * Allergy to any of the agents used in the study * Individuals who are investigator site personnel, directly affiliated with the study, or are immediate (spouse, parent, child, or sibling, whether biological or legally adopted) family of investigator site personnel directly affiliated with the study * Inability to understand the study protocol or give informed consent

Treatments Being Tested

DRUG

ertugliflozine

SGLT2i versus placebo

BEHAVIORAL

low salt diet

comparing low salt versus high salt diet

DRUG

placebo

placebo tablet

BEHAVIORAL

high salt diet

Locations (2)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Childrens hospital colorado

Denver, Colorado, United States

Amsterdam UMC

Amsterdam, Netherlands

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT06983054), the sponsor (Amsterdam UMC, location VUmc), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT06983054 clinical trial studying?

SGLT2 inhibitors have demonstrated to mitigate cardiorenal risk in people with type 2 diabetes and are likely to play an increasingly large role in the treatment of patients with diabetes, chronic kidney disease and hypertension. Yet the underlying mechanisms of its protective effects are incompletely understood and the salutary effect may be altered by dietary factors such as sodium intake. Therefore, carefully designed mechanistic trials are needed to better understand the interplay between ertugliflozin and salt intake and to potentially modify salt intake to maximize treatment response. In… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT06983054?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT06983054?

Contact information for this trial may be available directly on the ClinicalTrials.gov record. Click "View on ClinicalTrials.gov" in the sidebar for the official source. Always discuss any potential trial with your doctor before contacting the study site.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

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Source: ClinicalTrials.gov API v2 record for NCT06983054. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT06983054. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-06-26 · Data from ClinicalTrials.gov.