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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04832412
Other study ID # AFCRO-126
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date April 1, 2021
Est. completion date May 20, 2023

Study information

Verified date June 2023
Source Microphyt
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In developed countries, the acceleration of the general population ageing has been widely described for decades, involving changes in public health policies. Among the health issues arising from this demographic change, the maintenance of cognitive function will be a major challenge in the next years, both in societal and economic terms. In this regard, some pharmacological and behavioural (e.g. physical activity, social involvement, intellectually demanding activities) preventive approaches have been evaluated to improve cognitive function with ageing. Among them, dietary interventions showed a potential interest to prevent cognitive decline during ageing. In this sense, there is a growing interest to find ecological solutions and to meet major societal challenge the use of microalgae as molecule of interest sources is a recent promising approach. Marine environments harbour a huge biological diversity of microalgae that represents a large source of almost untapped bioactive compounds. This biodiversity comprises 200,000 to 2 million species with about 35,000 which are described and 15,000 maintained in culture collections. Microalgae are able to produce bioactive molecules, such as pigments, fatty acids, peptides and sterols. Some of these compounds are unique and specifically found in the marine environment and they could be increasingly used as natural bioactive products for targeted applications. Fucoxanthin is one of the major carotenoid found in microalgae well known for its neuroprotective effect but to our knowledge no human studies were realized. Thus the objective is to evaluate, in healthy older adults, the effect of a 24-week period of daily supplementation of high and low BrainPhyt, doses on cognitive function parameters (Spatial Working Memory scores, Attention and vigilance, episodic memory, executive function), stress, mood, sleep quality and biomarkers.


Recruitment information / eligibility

Status Completed
Enrollment 66
Est. completion date May 20, 2023
Est. primary completion date May 20, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 55 Years to 75 Years
Eligibility Inclusion Criteria: 1. Be able to give written informed consent and to consume the investigational product daily for the duration of the study. 2. Healthy males and females aged = 55 and = 75 years old. 3. Is free-living (living in a private home, alone or with family, and able to maintain their health and hygiene without assistance). 4. Have age-related mild cognitive decline, defined as: 1. Absence of dementia as determined by a score of =24 on the Mini Mental State Examination (MMSE). 2. A score on the MAC-Q of =25. 5. Have a self-reported memory complaint. 6. Have an AD8 Dementia Screening Score of <2 (normal cognition). 7. Have a Hospital Anxiety and Depression Scale (HADS) score of =7 for both anxiety and depression. 8. Is in general good health, as determined by the investigator 9. Ability to comply with study protocol and complete computerised cognitive testing. 10. Willing to maintain their habitual diet and exercise routines. 11. Willing to maintain consistent sleep duration the evening before study visits. Exclusion Criteria: 1. Women who are pregnant, breastfeeding, or wish to become pregnant during the study. 2. Female participants currently of childbearing potential, but not using an effective method of contraception, as outlined below: 1. Complete abstinence from intercourse two weeks prior to administration of study drug, throughout the clinical trial, until the completion of follow-up procedures or for two weeks following discontinuation of the study medication in cases where participant discontinues the study prematurely. (Participants utilising this method must agree to use an alternate method of contraception if they should become sexually active and will be queried on whether they have been abstinent in the preceding 2 weeks when they present to the clinic for the Final Visit). 2. Has a male sexual partner who is surgically sterilised prior to the Screening Visit and is the only male sexual partner for that participant. 3. sexual partner(s) is/are exclusively female. 4. Use of acceptable method of contraception, such as a spermicide, mechanical barrier (e.g. male condom, female diaphragm) or contraceptive pill. The participant must be using this method for at least 1 week following the end of the study. 5. Use of any non-hormonal intrauterine device (IUD) or contraceptive implant with published data showing that the highest expected failure rate is less than 1 % per year. The participant must have the device inserted at least 2 weeks prior to the first Screening Visit, throughout the study, and 2 weeks following the end of the study. 3. Individuals with dementia or mild cognitive impairment defined as greater than or equal to one standard deviation below the mean for age-matched norms on a standardised memory test 4. Individuals taking the following supplements who are unwilling to undergo a 4-week washout period: Ginkgo biloba, Ginseng, Choline, Taurine, Huperizine A, Acetyl-L-Carnitine, DMAE (Dimethylaminoethanol), Lecithin, Phosphatidylcholine, Phosphatidylderine, DHEA (Dehydroepiandrosterene), Alpha lipoic acid, Bacopa (Brahmi), CDP-choline (Citicoline), Alpha-GPC, Green tea extract, L-Tyrosine, or L-Theanine 5. Chronic use of oral or injectable corticosteroids 6. Untreated psychotic or major depressive disorder 7. Uncontrolled hypertension/diabetes 8. A significant history of cardiovascular complaints (e.g., angina) 9. A significant neurological disease 10. Planned major changes in lifestyle (i.e. diet, dieting, exercise level, travelling) during the duration of the study. 11. History within previous 12 months of alcohol or substance abuse. 12. History of heavy smoking (>1 pack/day) within past 3 months. 13. History of heavy caffeinated beverage consumption (>400 mg caffeine/day) within past 2 weeks.

Study Design


Intervention

Dietary Supplement:
BrainPhyt
BrainPhyt low dose supplementation during 6 months
100 % Maltodextrin
100 % Maltodextrin

Locations

Country Name City State
Ireland Atlantia Clinical Food trial Cork

Sponsors (2)

Lead Sponsor Collaborator
Microphyt Atlantia Food Clinical Trials

Country where clinical trial is conducted

Ireland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Spatial working memory Change in spatial working memory scores - COMPASS cognitive assessment system From week 0 to week 24
Secondary Spatial working memory Change in spatial working memory scores - COMPASS cognitive assessment system From week 0 to week 12
Secondary Attention and vigilance Change in spatial working memory scores - COMPASS cognitive assessment system From week 0 to week 24
Secondary Attention and vigilance Change in spatial working memory scores - COMPASS cognitive assessment system (Choice reaction time and digit vigilance tasks) From week 0 to week 12
Secondary Executive function Change in Executive function scores - COMPASS cognitive assessment system (Stroop task) From week 0 to week 24
Secondary Executive function Change in Executive function scores - COMPASS cognitive assessment system (Stroop task) From week 0 to week 12
Secondary Episodic memory Change in Episodic memory scores - COMPASS cognitive assessment system (Picture and word recognition tasks) From week 0 to week 12
Secondary Episodic memory Change in Episodic memory scores - COMPASS cognitive assessment system (Picture and word recognition tasks) From week 0 to week 24
Secondary Sleep quality Change in Leeds sleep evaluation questionnaire score From week 0 to week 24
Secondary Sleep quality Change in Leeds sleep evaluation questionnaire score From week 0 to week 12
Secondary Mood state Change in Bond-Lader Mood Rating scale score From week 0 to week 24
Secondary Mood state Change in Bond-Lader Mood Rating scale score From week 0 to week 12
Secondary Stress state Change in Cohen's Perceived stress scale score From week 0 to week 24
Secondary Stress state Change in Cohen's Perceived stress scale score From week 0 to week 12
Secondary Blood TNFa level (pg/ml) Change in blood TNFa compared to baseline From week 0 to week 12 and week 24
Secondary Blood IFN level (pg/ml) Change in blood IFN compared to baseline From week 0 to week 12 and week 24
Secondary Blood CRP level (pg/ml) Change in blood CRP compared to baseline From week 0 to week 12 and week 24
Secondary Blood IL6 level (pg/ml) Change in blood IL6 compared to baseline From week 0 to week 12 and week 24
Secondary Blood Insulin level (mUI/l) Change in blood Insulin compared to baseline From week 0 to week 12 and week 24
Secondary Blood HbA1C level (%) Change in blood HbA1C compared to baseline From week 0 to week 12 and week 24
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