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The Effect of Probiotic Supplementation on Cognitive and Emotional Functions in Healthy Elderly Subjects

NCT04828421, Not applicable, Completed, Universidad de Almeria

Trial 10

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

FieldValueSource
TitleThe Effect of Probiotic Supplementation on Cognitive and Emotional Functions in Healthy Elderly SubjectsClinicalTrials.gov
NCT numberNCT04828421ClinicalTrials.gov
StatusCompletedClinicalTrials.gov
PhasesNot applicableClinicalTrials.gov
Enrollment36 participants, actualClinicalTrials.gov
Lead sponsorUniversidad de AlmeriaClinicalTrials.gov
ConditionsHealthyClinicalTrials.gov
InterventionsLactobacillus rhamnosus and Bifidobacterium lactis, PlaceboClinicalTrials.gov
First posted2021-04-02ClinicalTrials.gov
Last updated2022-06-01ClinicalTrials.gov

Registered outcomes 18

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescriptionSource
PrimaryChange from Baseline Anxiety at 10 weeksBefore and after treatment (10 weeks)The State-Trait Anxiety Inventory. Score range: 20-80ClinicalTrials.gov
PrimaryChange from Baseline Depression at 10 weeksBefore and after treatment (10 weeks)The Beck Depression Inventory. Score range: 0-63.ClinicalTrials.gov
PrimaryChange from Baseline General Cognitive Status at 10 weeksBefore and after treatment (10 weeks)Mini-Mental State Examination. Score range: 0-35ClinicalTrials.gov
PrimaryChange from Baseline Working Memory at 10 weeksBefore and after treatment (10 weeks)Digits task, Corsi taskClinicalTrials.gov
PrimaryChange from Baseline Planning Ability at 10 weeksBefore and after treatment (10 weeks)Tower of London testClinicalTrials.gov
PrimaryChange from Baseline Problem-solving ability at 10 weeksBefore and after treatment (10 weeks)Wisconsin Card Sorting testClinicalTrials.gov
PrimaryChange from Baseline Selective attention, cognitive flexibility and response inhibition at 10 weeksBefore and after treatment (10 weeks)Stroop taskClinicalTrials.gov
PrimaryChange from Baseline Visual Attention at 10 weeksBefore and after treatment (10 weeks)Trail Making TestClinicalTrials.gov
PrimaryChange from Baseline Motor impulsivity or inhibitory response at 10 weeksBefore and after treatment (10 weeks)Go/No-Go taskClinicalTrials.gov
PrimaryChange from Baseline Choice impulsivity or impulsive decision-making at 10 weeksBefore and after treatment (10 weeks)Iowa Gambling TaskClinicalTrials.gov
SecondaryChange from Baseline Food Habits at 10 weeksBefore and after treatment (10 weeks)"24-hour recall" questionnaireClinicalTrials.gov
SecondaryChange from Baseline Alcohol Use at 10 weeksBefore and after treatment (10 weeks)The Alcohol Use Disorders Identification Test. Score range: 0-40ClinicalTrials.gov
SecondaryChange from Baseline Body Composition at 10 weeksBefore and after treatment (10 weeks)Fat mass. Body fat mass. Fat-free mass. Total body water.ClinicalTrials.gov
SecondaryChange from Baseline Physical Activity at 10 weeksBefore and after treatment (10 weeks)International Physical Activity QuestionnaireClinicalTrials.gov
SecondaryChange from Baseline Stool Consistency at 10 weeksBefore and after treatment (10 weeks)The Bristol ScaleClinicalTrials.gov
SecondaryChange from Baseline Sleep Quality at 10 weeksBefore and after treatment (10 weeks)The Pittsburgh Sleep Quality Index Questionnaire. Score range: 0-21ClinicalTrials.gov
SecondaryChange from Baseline Perceived Stress at 10 weeksBefore and after treatment (10 weeks)Perceived Stress Questionnaire. Score range: 0-1ClinicalTrials.gov
SecondaryChange from Baseline Gastrointestinal Symptom at 10 weeksBefore and after treatment (10 weeks)Gastrointestinal Symptom Rating ScaleClinicalTrials.gov

Outcomes 0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured asSource

Results by group 0

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnitsSource

Participant flow 0

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits countedSource

Adverse events 0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEventsSource

Adverse event totals 0

The totals the trial posted for each group.

TotalGroupAffectedAt riskSource

Papers 1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
38935259DERIVEDPubMed

Grants 0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

ProjectTitlePrincipal investigatorsOrganizationFunderFiscal yearsSource

Trial comparisons 0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

ComparisonSource

Tests 8

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

TestNamed asSource
Card Sorting Test (Berg)Primary outcomeConductCognition
Corsi Block-Tapping TestPrimary outcomeConductCognition
Go/No-Go TaskPrimary outcomeConductCognition
Iowa Gambling LitePrimary outcomeConductCognition
Stroop Color-Word TestPrimary outcomeConductCognition
Tower PlanningPrimary outcomeConductCognition
Trail Making Test APrimary outcomeConductCognition
Trail Making Test BPrimary outcomeConductCognition

Source 5

FieldValueSource
Releasetrials-2026-11-12-0.4.0ClinicalTrials.gov
Release manifest SHA-2560f4a8d8c48aee2a7573ae0fa94ecbeab70c1adbe449bbc95c424bc7d3e97b9d4ClinicalTrials.gov
Registry capture2026-11-12ClinicalTrials.gov
Results copy, AACT2026-03-23ClinicalTrials.gov
NIH clinical studies file2026-11-13ClinicalTrials.gov

The same record as JSON

Release trials-2026-11-12-0.4.0

ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299 ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

ClinicalTrials.gov: none stated ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

NIH RePORTER's clinical studies and project files: Public domain (NIH RePORTER)