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TP-03

Phase 2

Meibomian Gland Dysfunction | Small molecule | Ophthalmology |Tarsus Pharmaceuticals, Inc.|Last Updated: Oct 1, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment39

FDA Designations

No designations recorded

Clinical trial landscape

TP-03 · 1 trial · 3 indications

Phase 2 1
NCT05454956Pilot Study Comparing the Safety and Efficacy of Two Dosing Regimens of TP-03 for the Treatment of MGDMeibomian Gland Dysfunction
COMPLETED39 Analytics
PHASE2COMPLETED
Pilot Study Comparing the Safety and Efficacy of Two Dosing Regimens of TP-03 for the Treatment of MGD
Meibomian Gland DysfunctionUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Treatment Emergent Adverse Events (TEAEs)
85 days

Number of participants with TEAEs related (definitely or potentially) to treatment summarized by MedDRA preferred term.

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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BID DosingEXPERIMENTALTP-03, lotilaner ophthalmic solution, 0.25% administered topically twice a day and TP-03 vehicle administered once a day to maintain masking for approximately 85 days
TID DosingEXPERIMENTALTP-03, lotilaner ophthalmic solution, 0.25% administered topically three times a day for approximately 85 days

Interventions

NameTypeDescription
TP-03DRUGTP-03, lotilaner ophthalmic solution, 0.25%, administered twice a day in participants in the BID dosing arm and three times a day in participants in the TID dosing arm
TP-03 VehicleDRUGVehicle of TP-03 ophthalmic solution, administered once a day in participants in the BID dosing arm to maintain masking between arms
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Be willing to sign the informed consent and deemed capable of complying with the requirements of the study protocol * Meets all of the following criteria in at least one eye: have more than 10 lashes with collarettes present on the upper lid; have the presence of one or more m...

Countries:United States
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Frequently asked questions about TP-03

What is TP-03 used for?

TP-03 is an investigational small molecule being developed by Tarsus Pharmaceuticals for the treatment of Demodex blepharitis, Meibomian Gland Dysfunction, and related eyelid conditions. It has been studied in clinical trials for blepharitis and Meibomian Gland Dysfunction, with trials also conducted in healthy subjects.

What does TP-03 target?

TP-03 is being studied for conditions associated with Demodex mite infestation, including Demodex blepharitis and Meibomian Gland Dysfunction. The clinical trials for TP-03 specifically evaluate its safety and efficacy in treating Demodex blepharitis, indicating its mechanism is directed at addressing Demodex-related eyelid disease.

Who makes TP-03?

TP-03 is being developed by Tarsus Pharmaceuticals, Inc., a biopharmaceutical company traded on the Nasdaq under the ticker symbol TARS. Tarsus is conducting clinical trials to evaluate TP-03 for the treatment of Demodex blepharitis and Meibomian Gland Dysfunction.

What phase is TP-03 in?

TP-03 has completed Phase 1, Phase 2, and Phase 3 clinical trials. The completed trials include a Phase 3 study for Demodex blepharitis, Phase 2 studies for blepharitis and Meibomian Gland Dysfunction, and a Phase 1 pharmacokinetic study in healthy subjects. TP-03 remains an investigational drug and is not yet approved.

What clinical trials is TP-03 in?

TP-03 has been evaluated in four completed clinical trials. These include NCT04475432 and NCT04784091, both studying TP-03 for Demodex blepharitis in the United States, NCT05138861, a pharmacokinetic study in healthy subjects in Canada, and NCT05454956, a pilot study for Meibomian Gland Dysfunction and blepharitis in the United States.

Is TP-03 the same as XDEMVY?

TP-03 is also known as XDEMVY, a brand name for lotilaner ophthalmic solution. XDEMVY is the commercial name under which TP-03 has been studied for the treatment of Demodex blepharitis. Both names refer to the same investigational drug developed by Tarsus Pharmaceuticals.