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The uninfected Ixodes scapularis human tick challenge model

The uninfected Ixodes scapularis human tick challenge model - TICK ME

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON51305
Enrollment
11
Registered
2022-04-25
Start date
2023-07-25
Completion date
Unknown
Last updated
2026-03-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Tick borne diseases

Interventions

We will challenge the subjects three to four times with ticks reared in colony from a designated laboratory and that are exhaustively tested negative for various tick-borne pathogens. We will evalua

Sponsors

Amsterdam UMC
Lead Sponsor

Eligibility

Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: > 18 years; Negative Borrelia VlsE1/pepC10 ELISA.

Exclusion criteria

Exclusion criteria: Known history of tick bites; Positive Borrelia serology (VlsE1/PepC10 ELISA); Known history or current suspicion on any tick-borne disease Red meat allergy (both medically confirmed and self-reported);

Design outcomes

Primary

MeasureTime frame
The primary study endpoint is the tick feeding phenotype; tick weight after feeding, tick attachment rate, days of attachment, tick survival rate and molting success.

Secondary

MeasureTime frame
Secondary parameters are signs of an immune response in the host; itch, redness, or other signs of a (local) immune response (blood and skin biopsies).

Countries

Netherlands

Contacts

Public ContactHJL Beaart

Amsterdam UMC

tickme@amsterdamumc.nl0205669111

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Mar 14, 2026