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Inter-Arm Differences in Continuous Glucose Monitor Readings in Adults With Diabetes

1. november 2026 opdateret af: Sachin Shah, University of the Pacific

Evaluation of Inter-Arm Differences in Continuous Glucose Monitor Glucose Readings in Patients With Type 1 and Type 2 Diabetes

This is a clinical trial looking at differences in continuous glucose monitor (CGM) glucose readings between the left and right arms in adults with type 1 or type 2 diabetes. The study will enroll 60 participants who will wear a CGM sensor on both arms for 14 days.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study is a prospective, non-randomized clinical trial designed to evaluate differences in continuous glucose monitor (CGM) glucose readings between the left and right arms in adults with type 1 or type 2 diabetes.

The study will enroll 60 participants. Each participant will wear two FreeStyle Libre 3 Plus CGM sensors simultaneously for 14 days, with one sensor placed on each arm.

The primary objective is to compare the frequency of hypoglycemic events, defined as glucose readings below 70 mg/dL, between the left and right arms. Secondary analyses will evaluate differences in Level 1 and Level 2 hypoglycemia and time below range. Additional analyses will compare time in range, time above range, time below range, and average glucose between the two arms.

CGM data from the two sensors will be collected and compared to evaluate differences in glucose readings between the left and right arms.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

60

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

  • Navn: Innovative Clinical and Outcomes Research (iCOR)
  • Telefonnummer: 925-255-5374
  • E-mail: icor@pacific.edu

Studiesteder

    • California
      • Stockton, California, Forenede Stater, 95211
        • University of the Pacific
        • Kontakt:
          • Innovative Clinical and Outcomes Research (iCOR)
          • Telefonnummer: 9252555374
          • E-mail: icor@pacific.edu
        • Ledende efterforsker:
          • Sachin A Shah, PharmD
        • Underforsker:
          • Allen Shek, PharmD
        • Underforsker:
          • Aydin Shek

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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Adults 18 years of age and over
  • Diagnosed with type 1 or 2 diabetes mellitus
  • Female participants with childbearing potential must have a negative urine pregnancy stick test, which has been confirmed by investigators
  • Willingness to wear a CGM on each arm for 2 weeks
  • A1c <7% within the past 6 months
  • Willing to attend 3 virtual call meetings over the course of the trial
  • Have active health insurance throughout the duration of the study
  • Willing to refrain from consuming or using commercial products containing ascorbic acid (vitamin C) or salicylic acid, and certain skincare products for the duration of the study due to their known potential to interfere with CGM readings (exposure via food is allowed)
  • Participants must have a mobile phone that is connected to the internet and compatible with both "FreeStyle Libre 3" and "Libre by Abbott" apps

Exclusion Criteria:

  • Under the age of 18
  • Any active dermatologic condition on the upper arms
  • Implanted medical devices (e.g., pacemaker, insulin pump)
  • Use of any medical or other devices (e.g., TMS) incompatible with the FreeStyle Libre 3 Plus CGM
  • Critically ill or dialysis patients
  • Planned high-frequency electrical heat treatment (diathermy) during the study period
  • Currently taking hydroxyurea
  • History of or planned gastric bypass within the study period
  • Current systemic infections
  • Subjects who are unable to fully understand the study or consent process will not be included in the study due to the lack of a qualified medical translator
  • Refusal to sign the informed consent document or HIPAA authorization form
  • Pregnant, planned pregnancy during study period, or currently breastfeeding
  • History of allergic reactions or hypersensitivity to adhesives
  • Blood transfusion within the previous 3 months

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Andet
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Left and Right Arm CGM Wear

Participants will wear two FreeStyle Libre 3 Plus continuous glucose monitors (CGMs) simultaneously for 14 days, with one sensor applied to the back of the upper arm on each arm. Participants will continue their normal daily routine during the study period. CGM data from the left and right arms will be compared.

Two FreeStyle Libre 3 Plus continuous glucose monitors (CGMs) will be worn simultaneously for 14 days. One sensor will be applied subcutaneously to the back of the upper arm on each arm. The sensors measure glucose in the interstitial fluid, and data from the left and right arms will be collected and compared.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Difference in Frequency of Hypoglycemic Events Between Left and Right Arms
Tidsramme: 14 days

Difference in the frequency of hypoglycemic events (<70 mg/dL) between the left arm and right arm.

14 days

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Difference in Frequency of Level 1 Hypoglycemic Events Between Left and Right Arms
Tidsramme: 14 days

Difference in the frequency of Level 1 hypoglycemic events (54 to <70 mg/dL) between the left arm and right arm.

14 days
Difference in Frequency of Level 2 Hypoglycemic Events Between Left and Right Arms
Tidsramme: 14 days

Difference in the frequency of Level 2 hypoglycemic events (<54 mg/dL) between the left arm and right arm.

14 days
Difference in Percentage of Time Below Range (<70 mg/dL) Between Left and Right Arms
Tidsramme: 14 days

Difference in percentage of time below range (TBR) <70 mg/dL between the left and right arms.

14 days
Difference in Percentage of Time Below Range (54 to <70 mg/dL) Between Left and Right Arms
Tidsramme: 14 days

Difference in percentage of time below range (TBR) from 54 to <70 mg/dL (Level 1 hypoglycemia) between the left and right arms.

14 days
Difference in Percentage of Time Below Range (<54 mg/dL) Between Left and Right Arms
Tidsramme: 14 days

Difference in percentage of time below range (TBR) <54 mg/dL (Level 2 hypoglycemia) between the left and right arms.

14 days

Samarbejdspartnere og efterforskere

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

Sponsor

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)

4. november 2026

Primær færdiggørelse (Anslået)

4. november 2027

Studieafslutning (Anslået)

4. november 2027

Datoer for studieregistrering

Først indsendt

1. november 2026

Først indsendt, der opfyldte QC-kriterier

1. november 2026

Først opslået (Faktiske)

5. november 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

5. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

1. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • IRB2026-284

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

Individual participant data will not be shared with others.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ingen

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Ja

produkt fremstillet i og eksporteret fra U.S.A.

Ingen

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