[Varying clinical picture and course of human granulocytic ehrlichiosis. Twelve Scandinavian cases of the new tick-borne zoonosis are presented].
A Bjöersdorff, J Berglund, B E Kristiansen...
https://pubmed.ncbi.nlm.nih.gov/10544585/Actively Recruiting
Led by Region Jönköping County · Updated on 2026-03-05
600
Participants Needed
12
Research Sites
260 weeks
Total Duration
Researchers are conducting a prospective multicenter study in Sweden called SWEtick to better understand emerging tick-borne diseases eTBD. The study aims to explore the different ways these diseases present clinically, assess their impact on human health, develop and validate diagnostic laboratory methods, and create recommendations to improve patient care within the Swedish healthcare system. The study includes several patient groups those with confirmed tick-borne diseases, those suspected of having tick-borne diseases but diagnosed otherwise, patients undergoing spinal anesthesia during knee or hip replacement surgery due to arthrosis, patients with autoinflammatory joint diseases, and healthy blood donors. This observational study gathers data from these diverse groups to support its goals. Participants will be followed and evaluated using tools such as the EuroQoL-5 Dimension Questionnaire EQ-5D and the Visual Analogue Scale for Health VAS at six months to assess health outcomes. The study involves collecting clinical information, symptoms, and laboratory results to support diagnosis and management. Participation may last several months, with ongoing data collection and assessments to better understand tick-borne diseases and their effects.
CONDITIONS
SWEtick - a Prospective Multicenter Study of Tick-borne Diseases in Sweden
A
Anna J Henningsson, Senior Associate Professor
J
Johanna Sjöwall, Associate Professor (docent)
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Region Jönköping County
Lead Sponsor
Region Östergötland
Collaborating Sponsor
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - Up to 6 months
Participants are observed over time to collect information related to tick-borne diseases and their health status.
Periodic visits during 6 months
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
5
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A Bjöersdorff, J Berglund, B E Kristiansen...
https://pubmed.ncbi.nlm.nih.gov/10544585/Christine Wennerås, Linda Wass, Beatrice Bergström...
https://pubmed.ncbi.nlm.nih.gov/39136831/I Uhnoo, O Cars, D Christensson...
https://pubmed.ncbi.nlm.nih.gov/1411322/Anna J Henningsson, Audun Aase, Herjan Bavelaar...
https://pubmed.ncbi.nlm.nih.gov/34616701/Johannes Eimer, Louise Fernström, Louise Rohlén...
https://pubmed.ncbi.nlm.nih.gov/35876734/Kenneth Nilsson, Karin Elfving, Carl Pahlson
https://pubmed.ncbi.nlm.nih.gov/20202426/K Nilsson, O Lindquist, C Påhlson
https://pubmed.ncbi.nlm.nih.gov/10513711/Hanne Quarsten, Anna Henningsson, Karen A Krogfelt...
https://pubmed.ncbi.nlm.nih.gov/37116420/Anna J Henningsson, Hilmir Asgeirsson, Berit Hammas...
https://pubmed.ncbi.nlm.nih.gov/31538916/Region Jönköping County
Lead Sponsor
Region Östergötland
Collaborating Sponsor