Sickness Behavior Clinical Trial
Official title:
Inflammation Och hjärnfunktion - Pilotstudie
NCT number | NCT03551080 |
Other study ID # | 2008/955-31 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | October 2009 |
Est. completion date | December 2009 |
Verified date | May 2018 |
Source | Karolinska Institutet |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
In this randomized double blind cross-over study 8 healthy persons were injected with 0.8 ng/kg body weight lipopolysaccharide (LPS) /endotoxin and placebo at two different occasions. The aim was to investigate how pain sensitivity and health perception change in response to an acute immune activation.
Status | Completed |
Enrollment | 8 |
Est. completion date | December 2009 |
Est. primary completion date | December 2009 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 50 Years |
Eligibility |
Inclusion Criteria: - Healthy subjects Exclusion Criteria: - Diagnosed physiological or psychiatric disease - Needle anxiety or blood phobia - Regular medication (excluding contraceptive pill) - Infection in the last two weeks - Pregnancy or breastfeeding - Smoking - Excessive alcohol use - Body mass index in the range of obesity (>30 kg/m2) or underweight (<18.5 kg/m2) - Invisible veins in the antecubital area of the arms |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Karolinska Institutet | Stockholm University, Swedish Council for Working Life and Social Research, Swedish Heart Lung Foundation, The Swedish Research Council, The Swedish Society of Medicine, University of California, San Francisco |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in interoceptive vs exteroceptive focus | Rating of concordance of heartbeat vs signal and change in tone of signal | 7 hours | |
Secondary | Change in self-rated health | Two questions were used to assess self-rated health 1"how do you rate your general health status" rated on a 5 grade Likert scale very good to very poor and 2"how is your health right now" rated on a 7 grade Likert scale from excellent to very poor | 7 hours | |
Secondary | Change in pain perception | Both deep and cutaneous pain at threshold and suprathreshold noxious levels. Heat- and cold (cutaneous) pain sensitivity was assessed for threshold stimuli and intense noxious stimuli, as well as pressure (deep) pain thresholds and CPM (descending pain inhibition). | 7 hours | |
Secondary | Change in facial apparence | Photos were taken under standardised conditions before and after injection | 2 hours | |
Secondary | Change in gait | The participants were filmed walking before and after injection | 2 h |
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