- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT03146715
The Effect of a Nutrient Dense Food on the Skin CarotenoidLevels of School Age Children
The Effect of a Nutrient Dense Food on the Skin Carotenoid Levels of School Age Children
Background: In a previous study, children who consumed a high-carotenoid juice over 8 weeks significantly increased skin carotenoid levels as compared to children who consumed a placebo juice. A naturally carotenoid-rich baked product, potentially marketable as a healthy breakfast food alternative, was developed by Utah State University researchers.
Objective: To determine the effect and response of a carotenoid-rich baked product on change in skin carotenoid levels among children.
Design: A six week randomized controlled trial. Participants/setting: Participants were children age 5-18 during March-June, 2015 living in Cache County, UT (n=46). Intervention: Children were randomly assigned to one of two groups: treatment (n=23) with a high carotenoid baked food or control (n=25) who consumed a baked food with no carotenoids. Children were asked to eat the designated portion of the assigned food once a day for six weeks. Skin carotenoid levels were measured every two weeks by a BioPhotonic scanner and reported in Raman intensity counts. Participants were asked to maintain their diet and completed a food frequency questionnaire at Baseline, Week 3, and Week 6. Uneaten portions of the food were returned to clinic, counted, and recorded.
Main outcome measures: Change in skin carotenoid levels as measured in Raman counts over 6 weeks.
Statistical analysis performed: Repeated-measures ANOVA was used to assess the group differences in Raman counts.
Studieoversikt
Studietype
Registrering (Faktiske)
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiesteder
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Utah
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Logan, Utah, Forente stater, 84322-9815
- Utah State University, Center for Human Nutrition Studies
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Skin carotenoid levels 11,000-33,000 Raman intensity counts
- Age 5-18 years
- Willing to attend 7 clinic visits
- Willing to eat designated food each day for 6 weeks
Exclusion Criteria:
- Illness in two weeks before study began
- Chronic disease such as asthma, rheumatoid arthritis, type 1 diabetes
- Skin carotenoid levels <11,000 and >33,000 Raman intensity counts
- Consumption of high carotenoid supplements
- Use of topical self-tanning lotion
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Annen
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Dobbelt
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
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Aktiv komparator: High-carotenoid food feeding trial
Twenty-three children were randomly assigned to a treatment with a high carotenoid baked food (4.3mg carotenoids/120g, 360 kcal)
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Children were asked to eat the designated portion of the assigned food once a day for six weeks.
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Placebo komparator: No-carotenoid food feeding trial
Twenty-five children were randomly assigned to consume a baked food with no carotenoids (300 kcals/73g)
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Children were asked to eat the designated portion of the assigned food once a day for six weeks.
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
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Raman resonance spectroscopy
Tidsramme: 6 weeks
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The skin carotenoid levels were determined by calculating the average height of the peak Raman absorbance signal obtained and quantified from excitation of skin carotenoids using a low-intensity blue light-emitting diodes light (λ=473 nm) with green light (510 nm) detection.24
The BioPhotonic Scanner Everest 2TM skin carotenoids were reported as Raman intensity counts.
The higher the count, the higher the concentration of carotenoid molecules detected at the site of measurement.
The scanner reports total carotenoid count, rather than individual carotenoid counts, as there is overlap in the absorption spectra of each carotenoid.
During the warm-up process, the black calibration cap, which covers the scanner's light-emitting diodes light, allows the scanner to self-calibrate using a patented process.
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6 weeks
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Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Etterforskere
- Hovedetterforsker: Karin Allen, PhD, Utah State University
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Andre studie-ID-numre
- USU #6351
Plan for individuelle deltakerdata (IPD)
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