The Cognitive Effects of 6 Weeks Administration With a Probiotic
NCT03601559, Not applicable, Completed, Northumbria University
Trial 10
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
| Field | Value | Source |
|---|---|---|
| Title | The Cognitive Effects of 6 Weeks Administration With a Probiotic | ClinicalTrials.gov |
| NCT number | NCT03601559 | ClinicalTrials.gov |
| Status | Completed | ClinicalTrials.gov |
| Phases | Not applicable | ClinicalTrials.gov |
| Enrollment | 100 participants, actual | ClinicalTrials.gov |
| Lead sponsor | Northumbria University | ClinicalTrials.gov |
| Conditions | Cognitive Change | ClinicalTrials.gov |
| Interventions | Lactobacillus paracasei Lpc-37, Placebo | ClinicalTrials.gov |
| First posted | 2018-07-26 | ClinicalTrials.gov |
| Last updated | 2019-06-18 | ClinicalTrials.gov |
Registered outcomes 42
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description | Source |
|---|---|---|---|---|
| Primary | Episodic memory score | 6 weeks | This is a composite measure derived from summing the z score performance on the following cognitive tasks: immediate word recall, delayed word recall, delayed picture recognition, delayed word recognition (-4 to 4) | ClinicalTrials.gov |
| Secondary | STAI-state total score | 6 weeks | State-trait anxiety inventory 'state' total score (20-80) | ClinicalTrials.gov |
| Secondary | STAI-trait total score | 6 weeks | State-trait anxiety inventory 'trait' total score (20-80) | ClinicalTrials.gov |
| Secondary | Accuracy of attention score | 6 weeks | This is a composite measure derived from summing the z score accuracy performance on the choice reaction time and Rapid visual information processing tasks (-2 to 2) | ClinicalTrials.gov |
| Secondary | Speed of attention score | 6 weeks | This is a composite measure derived from summing the z score reaction times from the choice reaction time and Rapid visual information processing task (-2 to 2) | ClinicalTrials.gov |
| Secondary | Working memory score | 6 weeks | This is a composite measure derived from summing the z score accuracy performance on the numeric working memory task and Corsi block-tapping task (-2 to 2) | ClinicalTrials.gov |
| Secondary | Speed of memory score | 6 weeks | This is a composite measure derived from summing the z score reaction times on the numeric working memory task, the delayed name / face recall task, the delayed picture recognition task and the delayed word recognition task (-4 to 4) | ClinicalTrials.gov |
| Secondary | Delayed word recall correct | 6 weeks | total number of correctly identified words (0-15) | ClinicalTrials.gov |
| Secondary | Delayed word recall errors | 6 weeks | total number of error responses | ClinicalTrials.gov |
| Secondary | Picture recognition reaction time | 6 weeks | (ms) | ClinicalTrials.gov |
| Secondary | Picture recognition accuracy | 6 weeks | ClinicalTrials.gov | |
| Secondary | Word recognition reaction time | 6 weeks | (ms) | ClinicalTrials.gov |
| Secondary | Word recognition accuracy | 6 weeks | ClinicalTrials.gov | |
| Secondary | Name to Face Recall correct responses | 6 weeks | number | ClinicalTrials.gov |
| Secondary | Name to Face Recall reaction time | 6 weeks | (ms) | ClinicalTrials.gov |
| Secondary | Peg and Ball task Planning time | 6 weeks | (ms) | ClinicalTrials.gov |
| Secondary | Peg and Ball task Completion time | 6 weeks | (ms) | ClinicalTrials.gov |
| Secondary | Peg and Ball task errors | 6 weeks | Number | ClinicalTrials.gov |
| Secondary | Stroop task accuracy | 6 weeks | ClinicalTrials.gov | |
| Secondary | Stroop task reaction time | 6 weeks | (ms) | ClinicalTrials.gov |
Outcomes 0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
| Type | Outcome | Time frame | Population | Units | Measured as | Source |
|---|
Results by group 0
Each measurement the trial posted, group by group, in the words and numbers it posted.
| Outcome | Group | Category | Value | Spread | Units | Source |
|---|
Participant flow 0
How many started, completed or left each group, period by period.
| Period | Milestone | Group | Participants | Units counted | Source |
|---|
Adverse events 0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
| Type | Event | Organ system | Group | Affected | At risk | Events | Source |
|---|
Adverse event totals 0
The totals the trial posted for each group.
| Total | Group | Affected | At risk | Source |
|---|
Papers 0
The papers the trial lists on ClinicalTrials.gov.
| PMID | Listed as | Source |
|---|
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.
| Project | Title | Principal investigators | Organization | Funder | Fiscal years | Source |
|---|
Trial comparisons 0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
| Comparison | Source |
|---|
Tests 5
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
| Test | Named as | Source |
|---|---|---|
| Delayed Recall Module | Primary outcome | ConductCognition |
| Choice Reaction Time | Secondary outcome | ConductCognition |
| Corsi Block-Tapping Test | Secondary outcome | ConductCognition |
| Rapid Visual Information Processing | Secondary outcome | ConductCognition |
| Stroop Color-Word Test | Secondary outcome | ConductCognition |
Source 5
| Field | Value | Source |
|---|---|---|
| Release | trials-2026-11-12-0.4.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | 0f4a8d8c48aee2a7573ae0fa94ecbeab70c1adbe449bbc95c424bc7d3e97b9d4 | ClinicalTrials.gov |
| Registry capture | 2026-11-12 | ClinicalTrials.gov |
| Results copy, AACT | 2026-03-23 | ClinicalTrials.gov |
| NIH clinical studies file | 2026-11-13 | ClinicalTrials.gov |
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)