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Investigating Vascular Properties of HEMI and SPG Signals in Individuals With or at Risk for Chronic Kidney Disease (STIMULUS-CKD)

18. maj 2026 opdateret af: Institut National de la Santé Et de la Recherche Médicale, France
This prospective, single-center clinical investigation conducted in France will evaluate two non-invasive investigational devices (HEMI and SPG-NINOX) designed to assess microcirculation in adults. The study will include 165 participants divided into five groups (33 per group): healthy volunteers, patients with hypertension without chronic kidney disease (CKD), patients with type 2 diabetes without CKD, patients with moderate CKD, and patients with severe CKD. The primary objective is to compare baseline small vessel pressure measured with the HEMI device across groups in order to identify microvascular alterations associated with cardiometabolic and renal disease. Secondary objectives include assessment of microvascular responses after post-ischemic hyperemia, evaluation of SPG-derived small vessel flow and volume parameters, comparison with reference vascular measurements (including SphygmoCor and ultra-high frequency ultrasound), and evaluation of feasibility, acceptability, and measurement reproducibility. Participation is non-randomized, based on participants' pre-existing clinical condition, and study procedures are non-invasive with an expected visit duration of approximately 60 minutes.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

165

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Inclusion Criteria:

  • Common Inclusion Criteria:

    • Adults aged over 18 years, of both sexes
    • Patients eligible for or affiliated with a social security scheme
    • Patients who have provided written informed consent to participate in the study

Common Exclusion Criteria:

  • Inability to give informed consent
  • Persons under legal protection (guardianship, trusteeship, or court protection)
  • Language barrier or psychological refusal to read the information
  • Medical conditions with a life expectancy < 1 year according to clinical judgment
  • Ongoing participation restriction due to another clinical research study
  • Pregnant women (due to physiological hemodynamic changes in blood pressure and arterial stiffness during pregnancy)
  • Cardiac arrhythmias: current atrial fibrillation or high-degree atrioventricular block

Exclusion Criteria:

  • Hypertension Group

    • Inclusion: Prior diagnosis of arterial hypertension
    • Stable cardiovascular treatment in the previous 1 month

    • Exclusion:

      • CKD with GFR <60 mL/min
      • ACR > 30 mg/mmol
      • Type 2 diabetes Type 2 Diabetes Group
    • Inclusion:
    • Prior diagnosis of type 2 diabetes
    • Stable cardiovascular treatment in the previous 1 month

    • Exclusion:

      • CKD with GFR < 60 mL/min
      • ACR > 30 mg/mmol Moderate CKD Group
    • Inclusion:
    • Moderate CKD (eGFR between 30 and 60 mL/min) (CKD-EPI)
    • Patients scheduled for arterial stiffness assessment as part of routine care
    • Stable cardiovascular treatment in the previous 1 month
    • Exclusion:
    • No specific exclusion criteria beyond common exclusions Severe CKD Group

    • Inclusion:

      • Severe CKD (GFR < 30 mL/min for ≥ 2 months)
      • Patients scheduled for arterial stiffness assessment as part of routine care
      • Stable cardiovascular treatment the previous 1 month
    • Exclusion: No specific exclusion criteria beyond common exclusions20 / 48 C25-07_Protocole_ V1.0_01.12.2025 Healthy Volunteers Group
    • Inclusion: No documented chronic disease

    • Exclusion:

      • Moderate or severe CKD (GFR < 60 mL/min) (CKD-EPI)
      • Hypertension
      • Type 2 diabetes
      • Stable cardiovascular treatment in the previous 1 month

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Grundvidenskab
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Healthy Volunteers
Adults without known hypertension, type 2 diabetes, or chronic kidney disease, undergoing non-invasive microcirculation assessment with the investigational devices (HEMI and SPG-NINOX) during a single study visit.
Enhed: HEMI device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel pressure at baseline. Measurements are performed during a single study visit under standardized conditions. In predefined subgroups, additional measurements may be performed after post-ischemic hyperemia and for reproducibility assessment.
Enhed: SPG-NINOX device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel flow and volume-related measures. Measurements are performed during a single study visit under standardized conditions.
Eksperimentel: Hypertension Without Chronic Kidney Disease
Adults with hypertension and without chronic kidney disease, undergoing non-invasive microcirculation assessment with the investigational devices (HEMI and SPG-NINOX) during a single study visit.
Enhed: HEMI device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel pressure at baseline. Measurements are performed during a single study visit under standardized conditions. In predefined subgroups, additional measurements may be performed after post-ischemic hyperemia and for reproducibility assessment.
Enhed: SPG-NINOX device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel flow and volume-related measures. Measurements are performed during a single study visit under standardized conditions.
Eksperimentel: Type 2 Diabetes Mellitus Without Chronic Kidney Disease
Adults with type 2 diabetes mellitus and without chronic kidney disease, undergoing non-invasive microcirculation assessment with the investigational devices (HEMI and SPG-NINOX) during a single study visit.
Enhed: HEMI device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel pressure at baseline. Measurements are performed during a single study visit under standardized conditions. In predefined subgroups, additional measurements may be performed after post-ischemic hyperemia and for reproducibility assessment.
Enhed: SPG-NINOX device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel flow and volume-related measures. Measurements are performed during a single study visit under standardized conditions.
Eksperimentel: Moderate Chronic Kidney Disease
Adults with moderate chronic kidney disease, undergoing non-invasive microcirculation assessment with the investigational devices (HEMI and SPG-NINOX) during a single study visit.
Enhed: HEMI device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel pressure at baseline. Measurements are performed during a single study visit under standardized conditions. In predefined subgroups, additional measurements may be performed after post-ischemic hyperemia and for reproducibility assessment.
Enhed: SPG-NINOX device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel flow and volume-related measures. Measurements are performed during a single study visit under standardized conditions.
Eksperimentel: Severe Chronic Kidney Disease
Adults with severe chronic kidney disease, undergoing non-invasive microcirculation assessment with the investigational devices (HEMI and SPG-NINOX) during a single study visit.
Enhed: HEMI device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel pressure at baseline. Measurements are performed during a single study visit under standardized conditions. In predefined subgroups, additional measurements may be performed after post-ischemic hyperemia and for reproducibility assessment.
Enhed: SPG-NINOX device
Non-invasive investigational device used to assess microcirculation through physiological signal acquisition and derivation of microvascular parameters, including small vessel flow and volume-related measures. Measurements are performed during a single study visit under standardized conditions.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
HEMI-derived small vessel pressure at baseline
Tidsramme: Baseline (single study visit, approximately 60 minutes)
Small vessel pressure derived from the HEMI non-invasive investigational device under standardized resting conditions at baseline. The primary analysis compares values across the five study groups.
Baseline (single study visit, approximately 60 minutes)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Institut National de la Santé Et de la Recherche Médicale, France

Samarbejdspartnere

University of Turku
Imec

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

15. juni 2026

Primær færdiggørelse (Anslået)

15. marts 2028

Studieafslutning (Anslået)

15. september 2028

Datoer for studieregistrering

Først indsendt

18. maj 2026

Først indsendt, der opfyldte QC-kriterier

18. maj 2026

Først opslået (Faktiske)

22. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • C25-07

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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