Placebo Effects on Blood Pressure Induced by Expectancy Manipulation
Not Applicable
Completed
- Conditions
- Blood Pressure
- Interventions
- Drug: Histaminum hydrochloricum globuliDrug: Placebo globuli
- Registration Number
- NCT00937196
- Lead Sponsor
- Ludwig-Maximilians - University of Munich
- Brief Summary
The objective of the present study was to examine the effects of a single placebo intervention on blood pressure and to investigate autonomic and psychological mediating mechanisms.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 45
Inclusion Criteria
- informed consent
Exclusion Criteria
- not meeting inclusion criteria
- hypotension or hypertension
- treated or untreated hypertension or hypotension
- Severe systemic disorders (tumors, tbc, diabetes, asthma etc)
- diseases that influence the cardiovascular or gastrointestinal system
- intake of drugs affecting blood pressure and/or autonomic nervous system
- pregnancy and lactation phase
- body mass index >= 32
- cardiovascular risk factors (diabetes, smoking)
- drug or alcohol abuse
- insufficient compliance
- participation in another trial within the last three months
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Histaminum hydrochloricum globuli Histaminum hydrochloricum globuli To allow double-blind administration of the placebo pills going along with verbal suggestions of a blood-pressure-lowering effect Placebo globuli Placebo globuli -
- Primary Outcome Measures
Name Time Method Blood pressure (systolic, diastolic) minutes 1 to 30 after intervention
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Institute of Medical Psychology, Ludwig-Maximilians-University Munich
🇩🇪Munich, Germany