Lean Beef as Part of a Healthy Meal Plan in Adolescents With Polycystic Ovary Syndrome (PCOS)/Polyendocrine Metabolic Ovarian Syndrome (PMOS) (Beef+)
Effect of Increasing Lean Beef Intake as Part of a Healthy Meal Plan on Glycemic Control in Adolescents With Polycystic Ovary Syndrome (PCOS)/Polyendocrine Metabolic Ovarian Syndrome (PMOS)
Panoramica dello studio
Stato
Stato
Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Tipo di studio
Iscrizione (Stimato)
Iscrizione
Fase
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
Contatto studio
- Nome: Heidi K Vanden Brink, PhD, MSc, RDMS
- Numero di telefono: 979-321-7073
- Email: heidi.vandenbrink@ag.tamu.edu
Luoghi di studio
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Texas
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College Station, Texas, Stati Uniti, 77843
- Reclutamento
- Texas A&M AgriLife
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Contatto:
- Heidi Vanden Brink
- Numero di telefono: 979--321-7073
- Email: heidi.vandenbrink@ag.tamu.edu
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Sub-investigatore:
- Michele Garant, DO
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Sub-investigatore:
- Seung-Yeon "Shawn" Ha, PhD
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Sub-investigatore:
- Lilian Ademu, PhD
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Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
- Bambino
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Female Adolescent
- 11-17 years old
- Suspected or confirmed diagnosis of PCOS
- ≥1-year post-menarche
- BMI ≥85th percentile for age/height
- Able to read and speak English
Exclusion Criteria:
- Medications affecting glucoregulation, metabolic health, and/or appetite (e.g., metformin, GLP-1)
- Unable or unwilling to eat beef
- Pregnant or planning pregnancy during study
- HbA1c ≥6.5%
- Unwilling or unable to complete study procedures
- Conditions affecting ability to complete study procedures or the intervention such as gastrointestinal diseases or syndromes, bleeding disorders, ongoing or unresolved eating disorder)
- Conditions affecting reproductive function other than PCOS
- Conditions that may interfere with continuous glucose monitor (CGM) application or use, including dermatological conditions such as eczema or allergies/reactions to medical adhesives
Conditional Exclusion Criteria:
- Current use of hormonal contraceptives if in the suspected PCOS group (allowable if current for at least the previous 3 months with physician-confirmed PCOS)
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Terapia di supporto
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Separare
Numero di armi
Armi e interventi
Gruppo di partecipanti / ArmGruppo di partecipanti / Arm |
Intervento / TrattamentoIntervento / Trattamento |
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Nessun intervento: Control/Usual Lifestyle with optional Delayed Intervention
Participants randomized to usual lifestyle will continue with their usual lifestyle/ diet.
Participants will undergo all scheduled study procedures.
Upon completion of the 12-week of usual lifestyle, participants randomized to the delayed onset control group will be offered one month of the dietary intervention.
The delayed intervention is optional.
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Sperimentale: Beef+
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Adolescents will be instructed to consume a minimum of 1 (3oz) serving per day of cooked unprocessed, lean (<10% fat) beef (21 oz/week) for 12 weeks.
To facilitate adoption, the intervention will be offered at the household level, but it is not a requirement.
The intervention is a multi-modal behavior change intervention with three overarching components: modifying beef intake, consuming beef in healthy meals, and the research team purchasing the beef needed for the intervention.
To facilitate adoption of lean beef as part of a healthy diet, a study RDN will meet with the participant and at least one representative parent/guardian at bi-weekly check-ins to provide tailored dietary support and develop an implementation plan.
A financial supplement of $100/month will be provided offset grocery costs.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Change in HbA1c
Lasso di tempo: Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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HbA1c measured as point of care using A1CNow+ point-of-care analyzer, HbA1c will also serve as a safety endpoint.
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Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Change in 2-hour Fasting Glucose
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Derived from a 75g oral glucose tolerance test (OGTT) as a measure of glycemic variability
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Dropout rate
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Drop-out and the reason for drop-out will be recorded, and in both the intervention and usual lifestyle groups will be reported.
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Change in Matsuda Index
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Derived from a 75g oral glucose tolerance test (OGTT), measure of insulin sensitivity
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Change in Insulinogenic Index
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Derived from the 75g oral glucose tolerance test (OGTT), measure of insulin sensitivity
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Change in Disposition Index
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Derived from a 75g oral glucose tolerance test (OGTT), measure of insulin sensitivity
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Change in 2nd Phase Insulin Release
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Derived from a 75g oral glucose tolerance test (OGTT), as a measure of insulin sensitivity
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Change in Time in Range
Lasso di tempo: Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Derived from blinded Continuous Glucose Monitor (CGM) wear, a measure of glycemic variability
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Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Change in Continuous Overall Net Glycemic Action (CONGA)
Lasso di tempo: Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Derived from blinded Continuous Glucose Monitor (CGM) wear, as a metric of glycemic variability
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Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Change in Glycemic Risk Assessment in Diabetes Education (GRADE)
Lasso di tempo: Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Derived from blinded Continuous Glucose Monitor (CGM) wear, measure of glycemic variability
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Baseline, Week 6 and Week 12 of Intervention or Usual Lifestyle
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Change in Diet Quality - Dietary Recalls
Lasso di tempo: Baseline and Week 14
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This will be assessed from 24-hour diet recalls and evaluated via Healthy Eating Index (HEI).
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Baseline and Week 14
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Change in Diet Quality - Skin Carotenoids
Lasso di tempo: Baseline and Week 14
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Skin carotenoids will be measured through the Veggie Meter ®, which uses reflection spectroscopy to estimate skin carotenoid levels.
Three scans will be taken on your non-dominant ring finger.
After each scan, a dial gauge and a score will appear on the screen.
A final score, calculated as the average of the three scans, will range from 0 to 800.
Higher scores indicate greater fruit and vegetable intake.
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Baseline and Week 14
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Change in Perceived Hunger
Lasso di tempo: Baseline and Week 14
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This will be measured through an Appetite/Satiety Questionnaire adapted from commonly used appetite assessment methods and previously applied in dietary intervention research.
Participants will report their general appetite and satiety experiences using six items assessing hunger frequency, strength of hunger before meals, fullness after eating, desire to eat when food is available, thoughts about food, and satisfaction after eating.
Responses are recorded using a 100-mm visual analogue scale implemented as a 0-100 slider (0 = lowest intensity or frequency; 100 = highest intensity or frequency).
Participants will be instructed to move the slider to reflect how strongly each statement describes their typical experience.
Data collected will be used to evaluate changes in perceived hunger and fullness throughout the intervention.
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Baseline and Week 14
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Change in incident Pre and Type 2 Diabetes
Lasso di tempo: Baseline, Week 6, and Week 12 of Intervention or Usual Lifestyle
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Type 2 Diabetes is defined as HbA1c >6.5%.
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Baseline, Week 6, and Week 12 of Intervention or Usual Lifestyle
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Altre misure di risultato
Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Compliance- Lean beef intake by self-report
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Intake of lean beef, assessed via 24-hour diet recalls
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Compliance - Daily Survey
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Intake of lean beef, assessed through daily logs of beef intake by providing portion sized objects that align with serving sizes and ask participants to take photos of their meals with the portion estimator, to ensure that both the meal planning is followed and portion sizes are met.
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Compliance - Blood Biomarkers
Lasso di tempo: Baseline and Week 12 of Intervention or Usual Lifestyle
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Serum hemoglobin will also be assessed as a metric of compliance.
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Baseline and Week 12 of Intervention or Usual Lifestyle
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Participants' Quality of Life
Lasso di tempo: Baseline and and Week 14
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This will be measured through the Pediatric Quality of Life (PedsQL) questionnaire.
It includes 23 questions and is scored by reverse-scoring items and linearly transforming them to a 0-100 scale.
Higher scores mean better health-related quality of life.
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Baseline and and Week 14
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Household Quality of Life
Lasso di tempo: Baseline and Week 14
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This will be measured through the Adapted version of the Family Impact Module of the Pediatric Quality of Life (PedsQL).
This questionnaire includes 36 questions and includes a 5-point Likert scale (0 to 4), reverse-scored and linearly transformed to a 0-100 scale.
Higher scores show better parent health-related quality of life and family functioning with less negative impact.
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Baseline and Week 14
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Exploratory Analysis - Lean Beef
Lasso di tempo: Baseline and Week 14
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An exploratory analysis will reveal whether lean beef was directly associated with any change in glycemic outcome over time
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Baseline and Week 14
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Economic Evaluation of the Intervention (Ancillary Study, Optional)
Lasso di tempo: Baseline and Week 14
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An exploratory economic evaluation will estimate household food-related costs associated with participation in the intervention as an ancillary study.
Parents or legal guardians will be invited to record and provide receipts for costs related to groceries or food purchased for at-home meal preparation, as well as for meals purchased outside the home, including at restaurants and fast-food venues
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Baseline and Week 14
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Collaboratori e investigatori
Sponsor
Sponsor
Investigatori
Investigatori
- Investigatore principale: Heidi K Vanden Brink, PhD, MSc, RDMS, Texas A&M University
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Inizio studio
Completamento primario (Stimato)
Completamento primario
Completamento dello studio (Stimato)
Completamento dello studio
Date di iscrizione allo studio
Primo inviato
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Primo Inserito
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento pubblicato
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
- Malattie urogenitali
- Malattie genitali
- Malattie del sistema endocrino
- Processi patologici
- Disturbi della nutrizione
- Neoplasie
- Malattie urogenitali maschili
- Malattie urogenitali femminili
- Malattie urogenitali femminili e complicanze della gravidanza
- Ipernutrizione
- Peso corporeo
- Malattie genitali, femmina
- Malattie ovariche
- Malattie annessiali
- Disturbi gonadici
- Malattie della pelle
- Anomalie congenite
- Malattie dei capelli
- Cisti ovariche
- Cisti
- Disturbi dello sviluppo sessuale
- Anomalie urogenitali
- Virilismo
- 46, XX Disturbi dello sviluppo sessuale
- Sindrome adrenogenitale
- Malattie e anomalie congenite, ereditarie e neonatali
- Condizioni patologiche, segni e sintomi
- Malattie nutrizionali e metaboliche
- Malattie della pelle e del tessuto connettivo
- Segni e sintomi
- Sovrappeso
- Sindrome delle ovaie policistiche
- Irsutismo
- Disturbi delle mestruazioni
- Iperandrogenismo
- Cibo
- Dieta, cibo e nutrizione
- Fenomeni fisiologici
- Cibo e bevande
- Carne
- Carne Rossa
Altri numeri di identificazione dello studio
Altri numeri di identificazione dello studio
- IRB#STUDY2026-0483
- #2681 (Altro identificatore: National Cattlemen's Beef Association, a contractor to the Beef Checkoff)
- Lab Research Funds (Altro identificatore: Texas A&M AgriLife)
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