NCT05454956

Brief Summary

The purpose of this study is to compare the safety and efficacy of TP-03, 0.25%, an eyedrop, BID vs TID dosing regimens for the treatment of meibomian gland dysfunction in patients with Demodex lid infestation.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
39

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Aug 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

5 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 27, 2022

Completed
15 days until next milestone

First Posted

Study publicly available on registry

July 12, 2022

Completed
22 days until next milestone

Study Start

First participant enrolled

August 3, 2022

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 18, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 18, 2023

Completed
2.4 years until next milestone

Results Posted

Study results publicly available

October 1, 2025

Completed
Last Updated

October 1, 2025

Status Verified

September 1, 2025

Enrollment Period

10 months

First QC Date

June 27, 2022

Results QC Date

December 10, 2024

Last Update Submit

September 11, 2025

Conditions

Keywords

Demodex

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Treatment Emergent Adverse Events (TEAEs)

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

    85 days

Other Outcomes (2)

  • Change From Baseline in Lower Lid Meibomian Gland Secretion Score at Day 85

    Day 85 visit

  • Change From Baseline in Lid Margin Erythema (Upper Eyelid) at Day 85

    Day 85 visit

Study Arms (2)

BID Dosing

EXPERIMENTAL

TP-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

Drug: TP-03Drug: TP-03 Vehicle

TID Dosing

EXPERIMENTAL

TP-03, lotilaner ophthalmic solution, 0.25% administered topically three times a day for approximately 85 days

Drug: TP-03

Interventions

TP-03DRUG

TP-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

BID DosingTID Dosing

Vehicle of TP-03 ophthalmic solution, administered once a day in participants in the BID dosing arm to maintain masking between arms

BID Dosing

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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 mites in the upper and lower lids; have evidence of meibomian gland dysfunction; have at least mild erythema of the lower lid; have a tear breakup time of less than 10 seconds; and have intact partial to full meibomian glands in at least 33% of the total meibomian gland area of the lower lid

You may not qualify if:

  • Have used lid hygiene products within 7 days of Day 1 or unwilling to forego the use of lid hygiene products during the study
  • Have used systemic antihistamines within 30 days of Day 1
  • Have used artificial eyelashes, eyelash extensions or had other cosmetic eyelash or eyelid procedures within 7 days of Day 1 or be unwilling to forego their use during the study
  • Contact lens wear within 7 days of Day 1 or unwilling to forego contact lens wear for the duration of the study
  • Be pregnant or lactating at Day 1

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

Mitchell C. Shultz, MD

Northridge, California, 91325, United States

Location

Silverstein Eye Center

Kansas City, Missouri, 64133, United States

Location

Oculus Research

Cary, North Carolina, 27513, United States

Location

CORE Inc.

Shelby, North Carolina, 28150, United States

Location

Medical Optometry America

New Freedom, Pennsylvania, 17349, United States

Location

MeSH Terms

Conditions

Meibomian Gland DysfunctionBlepharitis

Condition Hierarchy (Ancestors)

Eyelid DiseasesEye Diseases

Results Point of Contact

Title
Kavita Dhamdhere, Vice President of Clinical Development
Organization
Tarsus Pharmaceuticals, Inc.

Study Officials

  • Mitchell Shultz, MD

    Mitchell C. Shultz, MD

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Treatment assignment (BID or TID) will be unknown to the study participant, investigators and site staff performing study assessments.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Arm 1: Two doses of TP-03, 0.25% and one dose of TP-03 vehicle to maintain masking daily Arm 2: Three doses of TP-03, 0.25% daily
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 27, 2022

First Posted

July 12, 2022

Study Start

August 3, 2022

Primary Completion

May 18, 2023

Study Completion

May 18, 2023

Last Updated

October 1, 2025

Results First Posted

October 1, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will not share

Locations