Skip to content

Effects of breakfast and nitrate intake on working memory, mood, blood vessel stiffness and brain blood flow in adolescents

Acute effects of nitrate on cognition, arterial stiffness and cerebral blood flow and the effects of breakfast on mood in a sample of Swedish adolescents: a cross-over randomised trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN16596056
Enrollment
43
Registered
2022-02-21
Start date
2022-02-25
Completion date
Unknown
Last updated
2024-09-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Improving cognitive function, positive feelings of emotion, levels of alertness and vascular health. Not Applicable

Interventions

Participants will be randomised by the researchers via a computer-generated random order of experimental conditions, that is equally assigned to every participant. There will be three conditions: 1. N

Sponsors

Swedish School of Sport and Health Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Adolescents between the ages of 13-15 years 2. Attending schools in the Stockholm area 3. Vaccinated for covid 19

Exclusion criteria

Exclusion criteria: 1. Not understanding Swedish 2. Diagnosed with diabetes, epilepsy, vascular health conditions/circulatory abnormalities, visual/auditory impairments or those receiving treatment from depression, sleep disorders, psychosis or other psychiatric condition

Design outcomes

Primary

MeasureTime frame
Cognitive function (measured with n-back tests) measured 5 minutes pre-intervention, 30 minutes and approximately 180 minutes post-intervention.

Secondary

MeasureTime frame
1. Mood (VANAS, PAS and KSS) measured 10 minutes pre-intervention, just after post-intervention and around 90 minutes post-intervention 2. Arterial stiffness (PWA and PWV measured 25 minutes and 210 post-intervetintion 3. Cerebral blood flow (fnirs) measured at 30 minutes and approximately 180 minutes post-intervention

Countries

Sweden

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 9, 2026