Swiss Study on Spider Bites (SSSB)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01355744
Recruitment Status : Completed
First Posted : May 18, 2011
Last Update Posted : October 7, 2013
University of Bern
Information provided by (Responsible Party):
University of Zurich

Brief Summary:
About spider bites in Middle Europe, there are published only a dozen cases. The investigators suspect that they may be much more frequent than reflected by the literature analysis (but much less dangerous than thought by people). From June 1st 2011 to November 30st 2012 the investigators collect clinical data on patients treated for spider bites in Switzerland.

Condition or disease
Spider Bite

Detailed Description:
Inclusion criteria: Every human treated for suspected spider bite in Switzerland willing to participate this study.

Study Type : Observational
Actual Enrollment : 17 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Swiss Study on Spider Bites
Study Start Date : June 2011
Actual Primary Completion Date : November 2012
Actual Study Completion Date : December 2012

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Spider Bites
U.S. FDA Resources

Spider bite patients
All patients treated for an actual spider bite by a Swiss physician during study period.

Primary Outcome Measures :
  1. Clinical follow up of bite lesions. [ Time Frame: 14 days (or more if necessary) ]
    Clinical evolutions of actual spider bite lesions in humans are observed.

Secondary Outcome Measures :
  1. Time spread of spider bites [ Time Frame: 18 months ]
    Frequencies of spider bites over the study period of 18 months are observed.

  2. Causative animals [ Time Frame: 18 months ]
    To determine spider species causing bites in Switzerland by sending spider specimens to an expert arachnologist.

Biospecimen Retention:   None Retained
Species of biting spider will be assessed if specimen is sent to us.

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Every person with a suspected spider and treated by a Swiss Physician.

Inclusion Criteria:

  • adult or child treated for a suspected spider bite in Switzerland

Exclusion Criteria:

  • unwillingness to participate to the study

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01355744

Praxis Dr. med. Markus Gnaedinger
Steinach, SG, Switzerland, 9323
Sponsors and Collaborators
University of Zurich
University of Bern
Principal Investigator: Markus P. Gnädinger, MD Department of General Practice University Hospital Zurich

Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: University of Zurich Identifier: NCT01355744     History of Changes
Other Study ID Numbers: SSSB
First Posted: May 18, 2011    Key Record Dates
Last Update Posted: October 7, 2013
Last Verified: October 2013

Keywords provided by University of Zurich:
insect bites

Additional relevant MeSH terms:
Spider Bites
Bites and Stings
Chemically-Induced Disorders
Wounds and Injuries