NCT03328923

Brief Summary

The current study will explore the impact of seaweed extract on cognitive function following a high-carbohydrate meal at a number of time-points post-consumption.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2016

Shorter than P25 for not_applicable

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 23, 2016

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 28, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 28, 2016

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

October 23, 2017

Completed
9 days until next milestone

First Posted

Study publicly available on registry

November 1, 2017

Completed
Last Updated

November 6, 2017

Status Verified

November 1, 2017

Enrollment Period

1 month

First QC Date

October 23, 2017

Last Update Submit

November 2, 2017

Conditions

Keywords

post-prandial cognitionbrown seaweed

Outcome Measures

Primary Outcomes (1)

  • Cognitive performance

    Immediate word recall, simple reaction time, digit vigilance and choice reaction time measured via the Computerised Mental Performance Assessment System (COMPASS, Northumbria University)

    Change from baseline following acute treatment, measured at 50, 90, 130, 170 and 210 minutes post-dose

Secondary Outcomes (1)

  • Subjective state

    Change from baseline following acute treatment, measured at 50, 90, 130, 170 and 210 minutes post-dose

Study Arms (2)

500mg brown seaweed powder

EXPERIMENTAL

2 x 250mg capsules InSea2® (brown seaweed powder)

Dietary Supplement: 500mg brown seaweed powder

Placebo

PLACEBO COMPARATOR

2 x capsules microcrystalline cellulose (bulking agent) (0mg InSea2®)

Dietary Supplement: Placebo

Interventions

500mg brown seaweed powderDIETARY_SUPPLEMENT
Also known as: InSea2®
500mg brown seaweed powder
PlaceboDIETARY_SUPPLEMENT
Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Report post-meal drowsiness

You may not qualify if:

  • Below 18 or above 65 years old at the time of giving consent
  • Do not report post-meal drowsiness
  • Any pre-existing medical condition/illness
  • History of/current head trauma
  • History of intestinal tract surgery
  • History of/current diagnosis of drug/alcohol abuse
  • Currently taking prescription medications (excluding the contraceptive pill)
  • Habitual use of dietary/herbal supplements
  • Learning difficulties, ADHD (attention deficit hyperactivity disorder), dyslexia
  • Frequent migraines that require medication more than once/month.
  • Visual impairment that cannot be corrected with glasses or contact lenses
  • Smoking
  • Excessive use of caffeine (\>500mg per day) from all dietary sources
  • Not a native English speaker
  • Food intolerances/sensitivities, including seafood/fish allergy
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Officials

  • Crystal Haskell-Ramsay, Dr

    Northumbria University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: Participants will receive either 500mg brown seaweed powder (InSea2) or placebo
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

October 23, 2017

First Posted

November 1, 2017

Study Start

June 23, 2016

Primary Completion

July 28, 2016

Study Completion

July 28, 2016

Last Updated

November 6, 2017

Record last verified: 2017-11

Data Sharing

IPD Sharing
Will not share