Spider BiteSSSBNCT01355744
Swiss Study on Spider Bites
An observational study of Spider Bite, run by University of Zurich at 1 site in Switzerland.
Trial 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). Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Spider Bite
- How many people
- 17 participants
- Where
- 1 siteSwitzerland
- Study dates
- Jun 2011to Dec 2012
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Study population: Every person with a suspected spider and treated by a Swiss Physician.
Who may be able to join
- adult or child treated for a suspected spider bite in Switzerland
Who cannot join
- unwillingness to participate to the study
Trial locations and contacts
1 site in 1 country.
Switzerland1 site
Praxis Dr. med. Markus Gnaedinger
Steinach, Canton of St. Gallen, 9323
About this study
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.
Read the detailed description
Inclusion criteria: Every human treated for suspected spider bite in Switzerland willing to participate this study.
- Conditions
- Spider Bite
- Keywords
- humans, insect bites
- Medical subject headings
- Spider Bites, Insect Bites and Stings
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Spider bite patients | All patients treated for an actual spider bite by a Swiss physician during study period. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Clinical follow up of bite lesions.
Clinical evolutions of actual spider bite lesions in humans are observed.
Measured: 14 days (or more if necessary)
Secondary outcomes (2)
Time spread of spider bites
Frequencies of spider bites over the study period of 18 months are observed.
Measured: 18 months
Causative animals
To determine spider species causing bites in Switzerland by sending spider specimens to an expert arachnologist.
Measured: 18 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 May 2011 (estimated)
- Study startJun 2011
- Primary completionNov 2012
- Study completionDec 2012
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Spider BiteStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 17 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Zurich
- Sponsor type
- University, hospital or other
- Collaborators
- University of Bern
- Responsible party
- Sponsor
- Investigators
- Markus P. Gnädinger, MD, Principal investigator, Department of General Practice University Hospital Zurich
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01355744
- Sponsor's protocol ID
- SSSB
- Acronym
- SSSB
- Status last verified
- Oct 2013
- First submitted
- 17 May 2011
- Last updated
- 7 Oct 2013
- Results posted
- No
- Data monitoring committee
- No
Publications
Gnadinger M, Nentwig W, Fuchs J, Ceschi A. Swiss prospective study on spider bites. Swiss Med Wkly. 2013 Sep 4;143:w13877. doi: 10.4414/smw.2013.13877. eCollection 2013.
PubMed 24019004
Study at a glance
From the registry record, last updated by the sponsor on 7 Oct 2013. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Swiss Study on Spider Bites
- ClinicalTrials.gov ID
- NCT01355744
- Acronym / sponsor ID
- SSSB / SSSB
- Conditions
- Spider Bite
- Keywords
- humans, insect bites
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 17 participants (actual)
- Lead sponsor
- University of ZurichUniversity, hospital or other
- Collaborators
- University of Bern
- Study start
- Jun 2011
- Primary completion
- Nov 2012 (actual)
- Study completion
- Dec 2012 (actual)
- First posted
- 18 May 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Detailed description
Inclusion criteria: Every human treated for suspected spider bite in Switzerland willing to participate this study.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Spider bite patients | – | –All patients treated for an actual spider bite by a Swiss physician during study period. |
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
- Study population
- Every person with a suspected spider and treated by a Swiss Physician.
Key inclusion criteria (1 listed)
- adult or child treated for a suspected spider bite in Switzerland
Key exclusion criteria (1 listed)
- unwillingness to participate to the study
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
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.
2 secondary outcomes
Time spread of spider bites
Time frame: 18 months
Causative animals
Time frame: 18 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Oct 2013.
- Derived from this study: PubMed 24019004Gnadinger M, Nentwig W, Fuchs J, Ceschi A. Swiss prospective study on spider bites. Swiss Med Wkly. 2013 Sep 4;143:w13877. doi: 10.4414/smw.2013.13877. eCollection 2013.
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Markus P. Gnädinger, MD principal investigator
Department of General Practice University Hospital Zurich
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Spider Bite, run by University of Zurich at 1 site in Switzerland.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 7 Oct 2013. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Clinical follow up of bite lesions. (time frame: 14 days (or more if necessary)). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01355744, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Oct 2013.