Phase 1/2 Lyme Vaccine Study
Status and phase
Conditions
Treatments
Study type
Funder types
Identifiers
Details and patient eligibility
About
Section 1:
The purpose of the study is to obtain safety and immunogenicity data of different dose levels of a multivalent recombinant OspA Lyme Borreliosis (mv rOspA LB) Vaccine with and without adjuvant in seronegative healthy adults aged 18 to 70 years. The outcome shall provide the basis for dose/formulation selection for Section 2 of the study.
Section 2:
An additional purpose of the study is to evaluate the safety and immunogenicity of the optimal dose(s)/formulation of the mv rOspA LB Vaccine in a larger population of seronegative and seropositive healthy subjects aged 18 to 70 years.
Enrollment
Sex
Ages
Volunteers
Inclusion and exclusion criteria
Main Inclusion Criteria:
- Subject is 18 to 70 years old at the time of screening
- Subject has an understanding of the study, agrees to its provisions, and gives written informed consent prior to study entry
- Subject is generally healthy, as determined by the investigator's clinical judgment through collection of medical history and the performance of a physical examination
- If female of childbearing potential, presents with a negative urine pregnancy test, and agrees to employ adequate birth control measures for the duration of the study
Additional inclusion criterion for seropositive subjects in Section 2 only:
- Subject is seropositive for Borrelia burgdorferi sensu lato (s.l.) antibodies at study entry
Main Exclusion Criteria:
- Subject has a physician-diagnosed chronic illness related to Lyme borreliosis (LB) or active LB
- Subject has been treated for LB with antibiotics within 3 months of study entry
- Subject had a tick bite within 3 weeks prior to screening or first vaccination
- Subject has a history or active infection with Babesia microti (babesiosis) or Anaplasma phagocytophilum (ehrlichiosis)
- Subject currently has or has a history of significant cardiovascular, respiratory (including asthma), metabolic, neurological, hepatic, rheumatic, autoimmune, hematological, gastrointestinal or renal disorder
- Subject has clinically significant abnormal laboratory values at screening
- Subject currently has or has a history of immunodeficiency
- Subject tests positive for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV)
- Subject has a disease or is currently undergoing a form of treatment or was undergoing a form of treatment within 30 days prior to study entry that could be expected to influence immune response.
- Subject has a history of anaphylaxis or severe allergic reactions
- Subject has received any live vaccine within 4 weeks or inactivated vaccine within 2 weeks prior to vaccination in this study
- Subject is pregnant or lactating at the time of study enrollment
Additional exclusion criterion for subjects in Section 1 and seronegative subjects in Section 2:
- Subject is seropositive for Borrelia burgdorferi sensu lato (s.l.) antibodies at study entry
Trial design
Primary purpose
Allocation
Interventional model
Masking
1,630 participants in 3 patient groups
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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