Tea Components, Mental Stress and Blood Pressure
NCT02298530, Not applicable, Completed, Unilever R&D
Trial 10
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
| Field | Value | Source |
|---|---|---|
| Title | Tea Components, Mental Stress and Blood Pressure | ClinicalTrials.gov |
| NCT number | NCT02298530 | ClinicalTrials.gov |
| Status | Completed | ClinicalTrials.gov |
| Phases | Not applicable | ClinicalTrials.gov |
| Enrollment | 56 participants, actual | ClinicalTrials.gov |
| Lead sponsor | Unilever R&D | ClinicalTrials.gov |
| Conditions | Healthy | ClinicalTrials.gov |
| Interventions | Combination of caffeine and theanine, Caffeine | ClinicalTrials.gov |
| First posted | 2014-11-24 | ClinicalTrials.gov |
| Last updated | 2015-12-04 | ClinicalTrials.gov |
Registered outcomes 27
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description | Source |
|---|---|---|---|---|
| Primary | Systolic blood pressure during stress | Between 30-45 minutes after test product intake | Systolic blood pressure during acute mental stress | ClinicalTrials.gov |
| Secondary | Diastolic blood pressure during stress | Between 30-45 minutes after test product intake | Diastolic blood pressure during acute mental stress | ClinicalTrials.gov |
| Secondary | Systolic blood pressure after stress | Between 45-60 minutes after test product intake | Systolic blood pressure immediately after acute mental stress | ClinicalTrials.gov |
| Secondary | Diastolic blood pressure after stress | Between 45-60 minutes after test product intake | Diastolic blood pressure immediately after acute mental stress | ClinicalTrials.gov |
| Secondary | STAI before and immediately after stress | -15 and 45 relative to test product intake | Self-reported mental state: State-Trait Anxiety Inventory | ClinicalTrials.gov |
| Secondary | UWIST before and immediately after stress | -10, 45 minutes relative to test product intake | Self-reported mental state: University Of Wales Institute of Science and Technology mood adjective questionnaire | ClinicalTrials.gov |
| Other | Cortisol in saliva before and immediately after stress | -5, 45 min relative to test product intake | Concentration of cortisol in saliva | ClinicalTrials.gov |
| Other | Heart rate during stress | Between 30-45 minutes after test product intake | Heart rate during acute mental stress | ClinicalTrials.gov |
| Other | Heart rate after stress | Between 45-60 minutes after test product intake | Heart rate immediately after acute mental stress | ClinicalTrials.gov |
| Other | Heart rate variability during stress | Between 30-45 minutes after test product intake | Heart rate variability during acute mental stress | ClinicalTrials.gov |
| Other | Heart rate variability after stress | Between 45-60 minutes after test product intake | Heart rate variability immediately after acute mental stress | ClinicalTrials.gov |
| Other | Performance STROOP | Between 30-45 minutes after test product intake | Task performance on STROOP task | ClinicalTrials.gov |
| Other | Performance mirror tracing | Between 30-45 minutes after test product intake | Task performance on mirror tracing task | ClinicalTrials.gov |
| Other | Systolic blood pressure, free living phase | Between 80-270 minutes after test product intake | Ambulatory systolic blood pressure during free living phase | ClinicalTrials.gov |
| Other | Diastolic blood pressure, free living phase | Between 80-270 minutes after test product intake | Ambulatory diastolic blood pressure during free living phase | ClinicalTrials.gov |
| Other | Cortisol, free living phase | 140, 200 and 260 minutes after test product intake | Concentration of cortisol in saliva during free living phase | ClinicalTrials.gov |
| Other | STAI, free living phase | 140, 200 and 260 minutes after test product intake | Self-reported mental state: State-Trait Anxiety Inventory during free living phase | ClinicalTrials.gov |
| Other | UWIST, free living phase | 140, 200 and 260 minutes after test product intake | Self-reported mental state: University Of Wales Institute of Science and Technology) mood adjective questionnaire during free living phase | ClinicalTrials.gov |
| Other | Pulse pressure during stress | Between 30-45 minutes after test product intake | Mean pulse pressure during mental stress | ClinicalTrials.gov |
| Other | Pulse pressure after stress | Between 45-60 minutes after test product intake | Mean pulse pressure after acute mental stress | 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 2
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 |
|---|---|---|
| Mirror Tracing Task | Other outcome | ConductCognition |
| Stroop Color-Word Test | Other 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)