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Non-invasive Glucose Measurement With Raman Technology in Patients With Type 1 and Type 2 Diabetes

3. desember 2019 oppdatert av: RSP Systems A/S

Non-invasive Glucose Measurement With Raman Technology. Calibration of Newly Developed Devices in Patients With Type 1 and Type 2 Diabetes - Glucobrunn Study

The study was established to collect data and reference measurements in order to establish calibration models for the Prototype 0.3

Studieoversikt

Status

Fullført

Intervensjon / Behandling

Detaljert beskrivelse

Subjects are recruited at two different sites.

Site 1: In group 1 subjects will on their regular stay in the clinic perform four measurement sessions a day. A measurement session consist of a reference capillary blood sample and two measures on the IMD.

Site 2: The study in group 2 consists of 26 home-based measurements and two in-clinic days. During the home measurements, 6 measurement sessions will be performed by the subjects a day. A measurement session consists of two reference BGMs, two reference CGMs and two measurements on the device. On in-clinic visits, subjects will be administered high glucose breakfast and the following 6-7 hours, measurement sessions are performed every 15 minutes.

Studietype

Intervensjonell

Registrering (Faktiske)

47

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiesteder

      • Bad Heilbrunn, Tyskland, 83670
        • m&i-Fachklinik Bad Heilbrunn - Zentrum für Diabetes und Stoffwechselerkrankungen
      • Ulm, Tyskland, 89081
        • Institut für Diabetes-Technologie, Forschungs- und Entwicklungsgesellschaft mbH an der Universität Ulm

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

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • At least 18 years of age
  • Have a diagnosis of type 1 or type 2 diabetes mellitus (for RSP-09-02, only patients with type 1 diabetes)
  • Skin phototype 1-4
  • Be willing to perform a minimum of 6 / 12 (31 during excursion days) finger sticks per day during the study
  • Be able to follow the instructions provided to him/her by the study site and perform all study tasks as specified by the protocol
  • Be willing to provide written signed and dated informed consent

Exclusion Criteria:

  • Inability to comply with the study procedures as described by the study protocol, according to the opinion of the investigator, due to e.g. known psychiatric diagnoses, lack of cognitive ability, alcohol dependency, drug use, psychosocial overload
  • Have known severe allergy to medical grade adhesive or isopropyl alcohol used to clean the skin
  • Be breastfeeding, pregnant, attempting to conceive or not willing and able to practice birth control during the study execution (applicable to female subjects only)
  • Unable to hold hand/arm steadily (including tremors and Parkinson's Disease)
  • Severe diabetes related complications such as advanced autonomic neuropathy, kidney disease, foot ulcers, legal blindness, or symptomatic cardiovascular disease as evidenced by a history of cardiovascular episode(s)
  • Systemic or topical administration of glucocorticoids for the past 7 days
  • Undergoing dialysis treatment
  • Have extensive skin changes/diseases at the proposed measurement site (thenar) that could interfere with the accuracy of interstitial glucose measurements
  • Have a concomitant medical condition which could interfere with the study devices (study arm 1: intake of acetaminophen study arm 2: intake of salicylic acid or higher doses of ascorbic acid)
  • Unsuitable for participation due to any other cause as determined by the Investigator. Mental incapacity, unwillingness or language barriers precluding adequate understanding or co-operation e.g. with required documentation
  • Dependency from the sponsor or the clinical investigator (e.g. co-workers of the sponsor, the study site, and/ or their families)

Additional exclusion criteria for study arm 2:

  • Severe hypoglycemia resulting in seizure or loss of consciousness in the 3 months prior to enrollment
  • Hypoglycemia unawareness

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: RSP-09-01
Enrolled subjects will perform 4 daily measurement session during their regular stay at the clinic. A measurement session consists of a reference capillary blood sample and two measurements on the Prototype 0.3.
Prototype 0.3 is a non-invasive glucose monitoring device using Raman spectroscopy
Eksperimentell: RSP-09-02
Enrolled subjects will measure at home for 26 six days and visit the clinic two times. During home measurements, 6 measurement sessions will be performed by the subject a day. A measurement session consists of two BGMs, two CGMs and two measurements on the Prototype 0.3. On in-clinic visits the subject will be administered a high glucose breakfast and the following 6-7 hours, measurement sessions will be performed every 15 minutes.
Prototype 0.3 is a non-invasive glucose monitoring device using Raman spectroscopy

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Generation and validation of predictive models by Inter Subject Unified Performance (ISUP).
Tidsramme: 2 years

Spectral Raman data will be collected together with paired reference measurements. Collected data will be used to generate calibration models capable of predicting tissue glucose levels.

Models will be validated on independent data sets using the ISUP measure.

2 years
Generation and validation of predictive models by Mean Absolute Relative Difference (MARD) measures
Tidsramme: 2 years

Spectral Raman data will be collected together with paired reference measurements. Collected data will be used to generate calibration models capable of predicting tissue glucose levels.

Models will be validated on independent data sets using the MARD measure.

2 years

Samarbeidspartnere og etterforskere

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

Sponsor

Etterforskere

  • Hovedetterforsker: Guido Freckmann, Dr., Institut für Diabetes-Technologie Forschungs- und Entwicklungsgesellschaft mbH an der Universität Ulm

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 (Faktiske)

22. november 2018

Primær fullføring (Faktiske)

5. august 2019

Studiet fullført (Faktiske)

5. august 2019

Datoer for studieregistrering

Først innsendt

21. november 2018

Først innsendt som oppfylte QC-kriteriene

18. desember 2018

Først lagt ut (Faktiske)

19. desember 2018

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

4. desember 2019

Siste oppdatering sendt inn som oppfylte QC-kriteriene

3. desember 2019

Sist bekreftet

1. desember 2019

Mer informasjon

Begreper knyttet til denne studien

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

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

Kliniske studier på Diabetes mellitus

Kliniske studier på Prototype 0.3

3
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