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NCT07226882
The purpose of this study is to learn about the safety and effects of the Lyme disease vaccine (called VLA15) when given at different time points. This study is seeking participants who: * are generally healthy and between 18 and 44 years of age, * have never had a vaccine for Lyme disease before, * are not currently taking, or haven't recently taken, medicines like chemotherapy, blood products, or blood thinners, and * are not pregnant or breastfeeding and do not plan to become pregnant while receiving the study vaccine. All participants in this study will receive a total of 5 doses through a shot in the upper arm. Four doses will be the study vaccine (VLA15), and 1 dose will be saltwater. The study will compare the experiences of people receiving the study vaccine at different time points. This will help see if the study vaccine is safe and will help understand its effect on the body. Participants will take part in this study for about 2 years. During this time, the participants will have 11 planned visits - 8 will be at the study clinic and 3 will be done over the phone. The clinic visits may include having a health check, giving a small amount of blood (about 20 mL or 4 teaspoons), and getting the study vaccine or saltwater as a shot.
NCT05641116
Lyme borreliosis, commonly known as Lyme disease, has been clinically described for more than a century, but has been officially recognized for 40 years, with the detection of the Borrelia bacterium by W. Burgdorfer, in ticks of the Ixodes ricinus complex, identified a few years before.
NCT03970733
In the Main Study Phase a total of 246 subjects were randomized 2:2:1 into three treatment groups to receive either VLA15 with Alum (lower or higher dose) or Placebo. Main Study Phase vaccinations were administered as intramuscular injections on Day 1, Day 57 and Day 180. In the Booster Phase subjects from the higher dose group who completed their primary immunization schedule according to protocol will be randomized 2:1 to receive an additional higher dose VLA15 vaccination or Placebo at Month 18. Study duration in the Main Study Phase per subject is a maximum of 20 months. Overall study Duration is estimated to be 22 months. Study duration per subject in the Booster Phase is a maximum of approximately 13 months. Study duration per subject in the Main Study Phase and Booster Phase together is estimated to be a maximum of approximately 33 months. Overall study duration (i.e., First-Subject-In to Last-Subject Out/ end of Booster Phase) is estimated to be approximately 37 months.
NCT03873974
The clinical data from the clinical trial will be used to assess the performance, sensitivity and specificity of the experimental DualDur In Vitro Diagnostic System.
NCT00910533
The purpose of this study is to determine clinical course and the sequelae of early Lyme neuroborreliosis after treatment with ceftriaxone.
NCT01151150
The current study is set up to chart clinically and laboratory findings in Norwegian patients with symptoms attributed by themselves or their doctor to ongoing chronic Bb infection. Objectives is to assess laboratory findings in relation to established diagnostic criteria and to form a picture of the burden of symptoms and illness perception in this group of patients. The study is essentially exploratory, and is supposed to raise rather than to test hypotheses.