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A Crossover Study Evaluating the Postprandial Glycemic Response of Three Sweeteners in a Mixed Meal Setting

9. november 2026 opdateret af: LOAM Science

A Randomized, Participant-Masked, Crossover Study Evaluating Postprandial Glycemic Response to Three Sweetener Preloads Consumed Before a Standardized Mixed Meal in Healthy Adults

This study is using a double-blind, randomize crossover evaluating the impact of three different sweeteners on postprandial glycemic response in a mixed meal setting. In 50 individuals, postprandial glucose response will be evaluated as a primary objective. Secondary objectives include additional measures of glucose response as well general gastrointestinal response to the sweeteners, assessed through a series of questionnaires.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

50

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Studiesteder

    • California
      • San Francisco, California, Forenede Stater, 94109
        • Rekruttering
        • Alethios
        • Kontakt:
          • Zeenia Framroze
          • Telefonnummer: 650-206-8006

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

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Adults 18 or older
  • Body mass index between 18.5 and 29.9 kg/m2, inclusive, based on self-reported height and weight.
  • Self-reported general good health, without a diagnosis of diabetes or prediabetes.
  • Willing and able to consume the standardized study breakfast, consisting of a plain bagel with plain cream cheese, on six specified mornings.
  • Willing to wear a continuous glucose monitor continuously on the upper arm for approximately 10 consecutive days.
  • Willing to observe an overnight fast of at least 8 hours before each test morning and to follow test-day standardization instructions.
  • Owns a compatible smartphone with reliable internet access and is willing to install the required study and sensor applications.
  • Resides in the United States and is able to receive shipments at a residential address.
  • Able to read, understand, and communicate in English.
  • Willing and able to provide electronic informed consent through a digital platform.

Exclusion Criteria:

  • Diagnosis of type 1 diabetes, type 2 diabetes, prediabetes, or a history of gestational diabetes.
  • Current use of any glucose-lowering medication, including insulin, metformin, sulfonylureas, GLP-1 receptor agonists, DPP-4 inhibitors, or SGLT2 inhibitors.
  • Current or recent use, within 30 days of consent, of systemic corticosteroids or any other medication known to materially alter glucose metabolism.
  • Celiac disease, wheat or gluten allergy or intolerance, or any dairy allergy or lactose intolerance that would preclude consumption of the standardized study breakfast or exclusion of gluten or dairy from the diet for any other reason that would preclude consumption of the standardized breakfast.
  • Known allergy or sensitivity to steviol glycosides, sucrose, or any declared component of the study preloads.
  • Known adhesive allergy or history of significant skin reaction to wearable sensors or medical adhesives.
  • Diagnosed gastrointestinal condition affecting digestion or absorption, including inflammatory bowel disease, gastroparesis, or prior bariatric or major gastrointestinal surgery.
  • Current eating disorder, or a diagnosed eating disorder within the previous 12 months.
  • Pregnant, breastfeeding, or planning to become pregnant during the study period.
  • Regular night-shift work, or planned travel across more than two time zones during the study period.
  • Planned substantial change in diet, physical activity, or body weight during the study period.
  • Current alcohol use disorder or substance use disorder.
  • Participation in another interventional research study within 30 days of consent or concurrently with this study.
  • Any condition or circumstance that, in the judgment of the Principal Investigator, would compromise participant safety or the integrity of the study data.

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: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Sequence 1

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Eksperimentel: Sequence 2

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Eksperimentel: Sequence 3

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Eksperimentel: Sequence 4

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Eksperimentel: Sequence 5

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Eksperimentel: Sequence 6

Sugar, stevia, and a fiber-based alternative sweetener will be evaluated in a pre-defined order.

A fiber-based sweetener produced by LOAM.

Table sugar

Stevia

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Postprandial Area Under the Curve to 120 Minutes
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Area under the curve above baseline from time zero (the start of the preload consumption) through 120 minutes. Baseline is defined as the mean glucose over the 15 minutes prior to the preload consumption. Area falling below baseline will be excluded.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Postprandial Area Under the Curve to 180 Minutes
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Area under the curve above baseline from time zero (the start of the preload consumption) through 180 minutes. Baseline is defined as the mean glucose over the 15 minutes prior to the preload consumption. Area falling below baseline will be excluded.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.
Postprandial Area Under the Curve to 120 Minutes Relative to Start of the Meal
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Area under the curve above baseline from time zero (the start of the meal consumption) through 120 minutes. Baseline is defined as the mean glucose over the 15 minutes prior to the preload consumption. Area falling below baseline will be excluded.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.
Peak Glucose
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Maximum observed glucose peak over the course of the 180 minute window.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.
Incremental Peak Glucose
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Maximum observed glucose peak relative to baseline over the course of the 180 minute window.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.
Time to Peak
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Elapsed time from preload consumption to the maximum observed value.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.
Post-Meal Subjective State
Tidsramme: Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Fullness, hunger, energy, and gastrointestinal comfort on a 0-10 numerical rating scale with 10 being an optimal situation and 0 representing the inverse for fullness, energy, and gastrointestinal comfort and 0 being an optimal situation and 10 representing the inverse for hunger. Questions are asked 60 and 180 minutes after the start of the mixed meal.

Data will be collected on each day of supplementation, days 3, 4, 6, 7, 9, and 10.

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

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 (Faktiske)

9. november 2026

Primær færdiggørelse (Anslået)

15. januar 2027

Studieafslutning (Anslået)

1. maj 2027

Datoer for studieregistrering

Først indsendt

19. oktober 2026

Først indsendt, der opfyldte QC-kriterier

19. oktober 2026

Først opslået (Faktiske)

26. oktober 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

12. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

9. november 2026

Sidst verificeret

1. oktober 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • LOA003

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

IPD is proprietary information.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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