- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07638839
Dietary Quality and Nutritional Adequacy Among Vegetarians Attending the European Institute of Oncology (VEGETARIANS)
Survey on Dietary Quality and Nutritional Adequacy Among Vegetarians Attending the European Institute of Oncology
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
150 vegan, vegetarian, semi-vegetarian women (18-64 years) will be recruited among patients attending the European Institute of Oncology for prevention visits or oncological follow-up. The study will include a baseline visit and a 3-month follow-up visit, with an interim telephone contact.
At baseline, nutritional adequacy and diet quality will be assessed, followed by a personalized nutritional counselling aimed at improving dietary variety, ensuring adequate nutrient intake, and promoting an active lifestyle. The intervention will be based on a vegetarian adaptation of the Healthy Eating Plate and aligned with national and international guidelines (CREA,2019; WCRF, 2018).
During study visits, anthropometric measurements (height, weight, waist and hip circumferences), body composition (BIVA), and blood samples will be collected. Dietary intake will be evaluated via a 3-day food records. Validated questionnaires will be administered to assess physical activity (IPAQ-SF), adherence to the Mediterranean diet (QueMD), and quality of life (VEGQOL). Additionally, vegetarian diet quality and lifestyle will be evaluated using the Vegetarian Lifestyle Index.
Nutritional adequacy will be determined by comparing dietary intake and blood biomarkers with Italian Dietary Reference Values (DRVs; SINU 2024).
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Patrizia Gnagnarella, PhD
- Numero di telefono: +39 0257489823
- Email: patrizia.gnagnarella@ieo.it
Luoghi di studio
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Milan, Italia, 20141
- Reclutamento
- European Institute of Oncology, Milan, Recruiting
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Contatto:
- Patrizia Gnagnarella
- Numero di telefono: +39 0257489823
- Email: patrizia.gnagnarella@ieo.it
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Contatto:
- Davide Serrano
- Email: davide.serrano@ieo.it
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
Accetta volontari sani
Descrizione
Inclusion Criteria:
- pre or post-menopausal women, aged between 18 and 64;
- healthy participants or high-risk cancer patients or patients with previous diagnosis of neoplasia
- self-identifying as vegan (defined as excluding all animal products), or vegetarian (defined as excluding all animal products besides eggs and/or dairy) or semi-vegetarian (defined as excluding no animal products but limiting meat to < 1× per week);
- ability to understand and the willingness to sign a written informed consent document;
Exclusion Criteria:
- any condition which, in the opinion of the investigator, may impede testing of the study hypothesis or make it unsafe to engage in the study (e.g., ulcerative colitis, Crohn's disease etc.);
- any diagnosis of invasive neoplasia, within the previous 1 years, except non-melanoma skin cancer;
- currently receiving chemotherapy, radiation, or immunotherapy as cancer treatment;
- patients dependent on enteral or parental nutrition;
- pregnancy or lactation;
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Prevenzione
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Sperimentale: vegetarian study population
The study population comprises 150 women (18-64 years) adhering to plant-based diets (vegan, vegetarian, or semi-vegetarian), including both healthy individuals and those with a history or high risk of cancer recruited at the European Institute of Oncology (Milan, IT)
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Participants will receive personalized nutritional counseling by registered dietitians based on blood tests and 3-day food records, focusing on improving diet variety and optimizing intake of critical nutrients.
Additionally, lifestyle advice will be provided to increase physical activity and reduce sedentary behavior.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Survey on nutritional adequacy of participants' diet at baseline
Lasso di tempo: Baseline
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Nutritional adequacy evaluated through blood biomarkers and dietary intake, assessed via 3-day food records.
Nutrient data will be referenced against the Italian Dietary Reference Values (DRVs).
Nutritional adequacy will be quantified by calculating the Nutrient Adequacy Ratio (NAR) and the Mean Adequacy Ratio (MAR).
The NAR represents the ratio of an individual's nutrient intake to the corresponding Italian DRV for their age group, while the MAR is the average of all calculated NARs.
Both indices will be expressed on a scale from 0 to 1, where 0 indicates that nutrient requirements are not met and 1 indicates that they are fully met.
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Baseline
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Survey on dietary and lifestyle quality of participants at baseline
Lasso di tempo: Baseline
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A modified version of the vegetarian Lifestyle index is adapted to Italian guidelines and national recommendations.
The score comprises 11 dietary and 3 lifestyle components and ranges from 0 to 14, with higher score indicating greater adherence.
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Baseline
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Nutrient Adequacy Ratio (NAR)
Lasso di tempo: 3-month
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change in NAR calculated by dividing participant's intake of a given nutrient by the Italian DRVs for the corresponding age category
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3-month
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Mean Adequacy Ratio (MAR)
Lasso di tempo: 3-month
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change in MAR calculated by averaging all NARs together
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3-month
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Vegetarian life style index (VLI)
Lasso di tempo: 3-month
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change in vegetarian Lifestyle score ranging from 0 to 14, with higher score indicating greater adherence.
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3-month
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Blood analysis- glucose
Lasso di tempo: 3-month
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change in concentration of glucose (mg/dl)
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3-month
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Blood analysis- insulin
Lasso di tempo: 3-month
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change in concentration of insulin (mUI/L)
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3-month
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Blood analysis- total cholesterol
Lasso di tempo: 3-month
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change in concentration of total cholesterol (mg/dl)
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3-month
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Blood analysis-LDL cholesterol
Lasso di tempo: 3-month
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change in concentration of LDL cholesterol (mg/dl)
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3-month
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Blood analysis-HDL cholesterol
Lasso di tempo: 3-month
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change in concentration HDL cholesterol (mg/dl)
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3-month
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Blood analysis-triglycerides (mg/dl)
Lasso di tempo: 3-month
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change in concentration of triglycerides (mg/dl)
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3-month
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Blood analysis- vitamins-B6
Lasso di tempo: 3-month
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change in concentration of B6(mcg/L)
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3-month
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Blood analysis- vitamins-B12
Lasso di tempo: 3-month
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change in concentration of B12 (ng/L)
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3-month
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Blood analysis- vitamins-folate
Lasso di tempo: 3-month
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change in concentration of folate (mcg/L)
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3-month
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Blood analysis- vitamins-Vitamin D
Lasso di tempo: 3-month
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change in concentration of Vitamin D (mcg/L)
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3-month
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Blood analysis- iron status
Lasso di tempo: 3-month
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change in concentration of iron (mcg/dl)
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3-month
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Blood analysis- ferritin status
Lasso di tempo: 3-month
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change in concentration of ferritin (mcg/L)
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3-month
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Blood analysis- Calcium
Lasso di tempo: 3-month
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change in concentration of calcium (mg/dl)
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3-month
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Blood analysis- total protein
Lasso di tempo: 3-month
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change in concentration of total protein (g/dl)
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3-month
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Anthropometric measurements - Body weight
Lasso di tempo: 3-month
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change in Body weight (kg)
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3-month
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Anthropometric measurements - circumferences
Lasso di tempo: 3-month
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change in waist and hip circumferences (cm)
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3-month
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Anthropometric measurements - Body composition
Lasso di tempo: 3-month
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change in fat mass and fat free mass (kg)
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3-month
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Physical activity
Lasso di tempo: 3-month
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change in metabolic equivalents of tasks (METs), measured by the short version of the International Physical Activity Questionnaire (IPAQ-sf)
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3-month
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Quality of life (VEGQOL)
Lasso di tempo: 3-month
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change in VEGQOL score ranging from 0-100 scale, with higer score indicating better QoL.
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3-month
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Adherence to the Mediterranean diet
Lasso di tempo: 3-month
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change in Mediterranean diet adherence score ranging from 0 to 9, with higer scores indicating better adherence
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3-month
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Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Patrizia Gnagnarella, PhD, European Institute of Oncology
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- UID 4909
- L2-476 (Altro identificatore: Comitato Etico Territoriale Lombardia 2)
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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