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

30. juli 2026 oppdatert av: 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 (Multi-spectral optical system for microcirculation hemodynamics) 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 (Speckle plethysmography) 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.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

165

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Frankrike
      • Paris, Frankrike, 75015
        • INSERM U970, Equipe 7, 56 rue Leblanc
        • Ta kontakt med:
        • Hovedetterforsker:
          • Rosa Maria BRUNO, Pr

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske 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

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Grunnvitenskap
  • Tildeling: Ikke-randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 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.
Enhet: 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.
Enhet: 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.
Eksperimentell: 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.
Enhet: 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.
Enhet: 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.
Eksperimentell: 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.
Enhet: 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.
Enhet: 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.
Eksperimentell: 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.
Enhet: 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.
Enhet: 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.
Eksperimentell: 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.
Enhet: 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.
Enhet: 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.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
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)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

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

Samarbeidspartnere

University of Turku
Imec

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

15. september 2026

Primær fullføring (Antatt)

15. mars 2028

Studiet fullført (Antatt)

15. september 2028

Datoer for studieregistrering

Først innsendt

18. mai 2026

Først innsendt som oppfylte QC-kriteriene

18. mai 2026

Først lagt ut (Faktiske)

22. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

31. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

30. juli 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • C25-07

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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