Actively Recruiting

Phase 2
Age: 18Years - 70Years
All Genders
Healthy Volunteers
ID07562087

A Phase 2b, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of TP-05 in Healthy Participants at High Risk of Tick Exposure

Led by Tarsus Pharmaceuticals, Inc. · Updated on 2026-05-20

700

Participants Needed

19

Research Sites

8 weeks

Total Duration

On this page

Sponsors

T

Tarsus Pharmaceuticals, Inc.

Lead Sponsor

P

PPD Development, LP

Collaborating Sponsor

AI-Summary

What this Trial Is About

Researchers are evaluating the safety, tolerability, and how the body processes TP05 when taken orally by healthy adults who are at high risk of tick exposure. This Phase 2b study is randomized, double-blind, and placebo-controlled, aiming to gather important safety and effectiveness data before potential Lyme Borreliosis exposure. The trial is sponsored by Tarsus Pharmaceuticals, Inc. and includes adults aged 18 to 70 years. Participants will be randomly assigned to receive either a high dose or low dose of TP05, or a matching placebo, following a set dosing schedule. The study includes a screening period, a treatment period lasting up to 24 weeks, and a safety follow-up period. The treatment is given orally as tablets, and participants will be monitored for about 15 months to check for tick bites or signs of Lyme borreliosis. During the trial, participants will undergo regular safety assessments including monitoring for adverse events, blood chemistry, blood counts, vital signs, physical exams, and heart monitoring via ECGs. Researchers will also measure drug levels and how the drug is cleared from the body. Follow-up visits will continue for an average of 15 months to ensure participant safety and evaluate any symptoms related to tick exposure.

CONDITIONS

Brief Title

A Study to Evaluate Safety and Efficacy of TP-05 in Healthy Participants With Tick Exposure

Who Can Participate

Age: 18Years - 70Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Healthy adults aged 18 to 70 years
  • Able to provide written informed consent
  • Willing and able to follow study procedures
  • At high risk of exposure to ticks
  • Use contraception as required by local regulations
Not Eligible

You will not qualify if you...

  • Prior exposure to TP05 or any isooxazoline within the last 12 months
  • Known allergy to TP05 or related compounds
  • Significant medical conditions interfering with study participation
  • Use of investigational products within 30 days before screening
  • Previous vaccination against Lyme borreliosis, including investigational vaccines
  • Receiving long-term antibiotic therapy
  • Received active or passive immunization within 4 weeks before Day 1
  • Pregnant or breastfeeding individuals

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - Up to 24 weeks

Participants receive oral TP-05 or placebo according to a predefined dosing schedule to evaluate safety and efficacy prior to tick exposure.

Visits scheduled according to dosing and monitoring requirements during treatment

Safety Follow-up

Duration - Approximately 15 months

Participants are followed up for safety monitoring and evaluation of any treatment-emergent adverse events and symptoms related to tick bites or Lyme borreliosis.

Periodic visits for safety assessments and symptom evaluation

Trial Site Locations

Total: 19 locations

1

Study Site

Pikesville, Maryland, United States, 21208

Actively Recruiting

2

Study Site

Brookline, Massachusetts, United States, 02445

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3

Study Site

Fall River, Massachusetts, United States, 02723

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4

Study Site

Minneapolis, Minnesota, United States, 55402

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5

Study Site

Marlboro, New Jersey, United States, 07746

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6

Study Site

Albany, New York, United States, 12205

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7

Study Site

Binghamton, New York, United States, 13905

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8

Study Site

Buffalo, New York, United States, 14217

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9

Study Site

East Syracuse, New York, United States, 13057

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10

Study Site

Middletown, New York, United States, 10941

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11

Study Site

New York, New York, United States, 10036

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12

Study Site

Rochester, New York, United States, 14609

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13

Study Site

Erie, Pennsylvania, United States, 16508

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14

Study Site

Hatboro, Pennsylvania, United States, 19040

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15

Study Site

Philadelphia, Pennsylvania, United States, 19107

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16

Study Site

Pittsburgh, Pennsylvania, United States, 15236

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17

Study Site

Pottstown, Pennsylvania, United States, 19464

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18

Study Site

West Chester, Pennsylvania, United States, 19380

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19

Study Site

Warwick, Rhode Island, United States, 02886

Actively Recruiting

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Research Team

S

Study Director

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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