NCT05236504

Brief Summary

This study aimed to investigate the effects of a novel dietary supplement, consisting of melatonin and magnesium in a pod (coffee machine capsule) format, on sleep quality, stress, mood, sleepiness, biological rhythms, metabolism, body composition and performance, in individuals with sleep disturbances according with the Pittsburgh Sleep Quality Index. A randomized, double-blind, crossover trial will be conducted to compare the effects of the melatonin and magnesium-containing supplement against a placebo. The protocol comprises 4 weeks of supplementation with an experimental or placebo condition, with a week-long washout period. Biochemical markers of sleep and stress, actigraphy for sleep patterns and sleep hygiene, resting metabolic rate, food and fluid intake, body composition, and handgrip strength measures will be evaluated at baseline and 4 weeks post each randomly assigned intervention. The working hypothesis is that this innovative supplement will provide greater objective and subjective improvements regarding sleep patterns and quality, overall mood, biochemical markers of stress, resting metabolic rate, energy intake, body composition and strength, than the placebo comparator, due to the synergic effects of melatonin and magnesium.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
35

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

November 28, 2021

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

January 18, 2022

Completed
24 days until next milestone

First Posted

Study publicly available on registry

February 11, 2022

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2022

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 30, 2022

Completed
Last Updated

April 1, 2022

Status Verified

March 1, 2022

Enrollment Period

7 months

First QC Date

January 18, 2022

Last Update Submit

March 21, 2022

Conditions

Keywords

MelatoninMagnesiumSupplementationSleepResting metabolic rateBody compositionHandgrip Strength

Outcome Measures

Primary Outcomes (18)

  • Biochemical sleep marker - Change in salivary melatonin

    Salivary melatonin (pg/mL) will be assessed by enzyme-linked immunosorbent assay (ELISA)

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Biochemical stress marker - Change in salivary cortisol

    Salivary cortisol (ug/dL) will be assessed by ELISA

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in sleep latency

    Sleep latency (minutes) will be assessed by actigraphy

    Daily throughout the 4 weeks of intervention 1 and 4 weeks of intervention 2

  • Sleep parameter - Change in total sleep time

    Total sleep time (hours) will be assessed by actigraphy

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in sleep efficiency

    Sleep efficiency (percent) will be assessed by actigraphy

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in sleep quality

    Change in sleep quality (Pittsburgh Sleep Quality Index (PSQI) score) will be assessed by the validated Portuguese version of the PSQI. The PSQI global score, results from the sum of 7 component scores (0-3) and has a possible range of 0-21 points. A global PSQI score ≤ 5 identifies a good sleeper and \>5 a poor sleeper.

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in mood states

    Change in mood states ('Profile of Mood States' (POMS) score) will be assessed by the validated Portuguese adaptation (Viana, Almeida and Santos, 2001) of a short version of the POMS. A total mood disturbance score is calculated by summing the totals for the 5 negative subscales (tension, depression, fatigue, confusion, anger) and subtracting the positive subscale (vigour), adding 100 to avoid a negative global result. Scores for each item are recorded as 0 for 'not at all' up to 4 for 'extremely'. Total mood disturbance scores can range between -64 and 100. Higher scores indicate a greater degree of mood disturbance.

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in daytime sleepiness

    Daytime sleepiness (Epworth Sleepiness Scale (ESS) score) will be assessed by the validated Portuguese version (CEISUC, 2001) of the questionnaire. ESS global score results from the sum of 8 item scores (0-3) and can range from 0 to 24 points. The higher the ESS score, the higher that person's average sleep propensity in daily life: 0-5 Lower Normal Daytime Sleepiness; 6-10 Higher Normal Daytime Sleepiness; 11-12 Mild Excessive Daytime Sleepiness; 13-15 Moderate Excessive Daytime Sleepiness; 16-24 Severe Excessive Daytime Sleepiness.

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Sleep parameter - Change in biological rhythms

    Change in biological rhythms ('Morningness-Eveningness Questionnaire' (MEQ) score) will be assessed by the validated Portuguese version (Silvério, Silva and Macedo, 1998) of the MEQ. Four sections of the 16-item scale are assigned a value of 1 through 5, while the remaining twelve questions are assigned a value of 1 through 4. To obtain a global score, the sum of the components is converted to a 5-point scale: definitely morning type (\>59); moderately morning type (54-59); neither type (43-53); moderately evening type (31-42); and definitely evening type (\<31). Morningness-eveningness scores can range between 16-68.

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Metabolic parameter - Change in resting metabolic rate (RMR)

    RMR (kcal) will be assessed by indirect calorimetry

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in total energy intake (TEI)

    TEI (kcal/day) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in total carbohydrate (CHO) intake

    CHO intake (g/day; percent of TEI) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in high and low glycemic index CHO

    High and low glycemic index CHO (g/day) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in triptophan intake

    Triptophan intake (g/day) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in caffeine intake

    Caffeine intake (mg/day) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in alcohol intake

    Alcohol intake (g/day) will be assessed by 24h recall and quantified using a dietary analysis software

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in the timing of dietary intake

    Timing of dietary intake (hours) will be assessed for each food and drink mentioned in the 24h recall

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in the frequency of dietary intake

    Frequency of dietary intake (days/week or days/month) will be assessed using a validated food frequency questionnaire

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

Secondary Outcomes (8)

  • Dietary intake parameter - Change in protein intake

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Dietary intake parameter - Change in fat intake

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Body composition parameter - Change in fat free mass (FFM)

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Body composition parameter - Change in fat mass (FM)

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • Body composition parameter - Change in visceral adipose tissue (VAT)

    Baseline, week 4 (post-intervention 1) and week 9 (post-intervention 2)

  • +3 more secondary outcomes

Study Arms (2)

Supplement

EXPERIMENTAL

Melatonin and magnesium-containing pod

Dietary Supplement: Melatonin and magnesium-containing pod

Placebo

PLACEBO COMPARATOR

Placebo pod

Other: Placebo comparator

Interventions

A 50-100mL hot water drink, obtained from a coffee pod machine, containing 1.9mg of melatonin and 200mg of magnesium in a powdered form, will be ingested 30 minutes before bedtime. Total duration of this intervention: 4 weeks, after which 1 week of washout will occur, before switching to the other intervention.

Supplement

A 50-100mL hot water drink of identical taste, obtained from an identical pod with the same ingredients except melatonin and magnesium, will be ingested 30 minutes before bedtime. Total duration of this intervention: 4 weeks, after which 1 week of washout will occur, before switching to the other intervention.

Placebo

Eligibility Criteria

Age35 Years - 55 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Pittsburgh Sleep Quality Index \>5 as an indicator of sleep disturbance.

You may not qualify if:

  • Taking medication which interferes with sleep;
  • Shift workers;
  • Workers who may experience jet lag (e.g. flight personnel).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Bettery, S.A.

Porto Salvo, Oeiras, 2740-267, Portugal

RECRUITING

MeSH Terms

Conditions

Sleep HygieneParasomnias

Interventions

Melatonin

Condition Hierarchy (Ancestors)

Health BehaviorBehaviorSleep Wake DisordersNervous System DiseasesMental Disorders

Intervention Hierarchy (Ancestors)

TryptaminesIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Central Study Contacts

Filipe Teixeira, PhD

CONTACT

Catarina Matias, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Innovation Manager

Study Record Dates

First Submitted

January 18, 2022

First Posted

February 11, 2022

Study Start

November 28, 2021

Primary Completion

June 30, 2022

Study Completion

July 30, 2022

Last Updated

April 1, 2022

Record last verified: 2022-03

Data Sharing

IPD Sharing
Will not share

Locations