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CompletedNCT03833388THEIA-1Updated Aug 7, 2019

Study of TOP1630 for Dry Eye Syndrome

A Phase 2/3 interventional study of TOP1630 0.1% Ophthalmic Solution TID OU and Placebo to TOP1630 0.1% Ophthalmic Solution TID OU in Dry Eye Syndrome, sponsored by Topivert Pharma Ltd. Completed at 4 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2019-08-07.

Sponsored by Topivert Pharma Ltd · Phase 2/3, Interventional, and Treatment

From the registry’s dates

  • Primary completion was May 2019, 7 years 4 months ago, and no results have been posted to the registry.
Phase
Phase 2/3
Study type
Interventional
Enrollment
202
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

In subjects with Dry Eye Syndrome (DES):

The primary objective of this study is to confirm the efficacy of TOP1630 0.1% Ophthalmic Solution TID OU compared to placebo treatment at Day 29 on pre-specified sign and symptom endpoints in subjects with moderate to severe DES.

Read the detailed description

This study is designed to assess the efficacy and safety of TOP1630 ophthalmic solution in subjects with Dry Eye Syndrome (DES).

Eligible subjects will be randomized double masked to either TOP1630 or placebo for a duration of 28 days' treatment.

02

Conditions studied

03

In context

Dry Eye Syndromes

1,292 studies on the registry are indexed under Dry Eye Syndromes; 191 are open to participants now.

This study's enrollment of 202 is above the median of 60 across 1,077 interventional studies indexed under Dry Eye Syndromes.

Browse Dry Eye Syndromes studies →

Lead sponsor

Topivert Pharma Ltd is the lead sponsor of 4 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Be at least 18 years of age;
  • Provide written informed consent;
  • Have a reported history of dry eye;
  • Have a history of use of eye drops for dry eye symptoms;

Symptoms of dry eye syndrome including:

  • Ocular discomfort
  • Conjunctival redness
  • Tear film break up time
  • Schirmer test score

Signs of dry eye syndrome including:

  • Conjunctival staining score

Exclusion criteria

Exclusion Criteria:

  • Have any clinically significant slit lamp findings at entry visit ;
  • Be diagnosed with an ongoing ocular infection;
  • Have any significant ocular lesion that could interfere with assessment of safety or efficacy or prevent study conduct in the opinion of the PI;
  • Have any planned ocular and/or lid surgeries over the study period;
  • Have an uncontrolled systemic disease;
  • Be a woman who is pregnant, nursing or planning a pregnancy;
  • Be a woman of childbearing potential who is not using an acceptable means of birth control;
  • Have a known allergy and/or sensitivity to the test article or its components;
  • Have a condition or be in a situation which the investigator feels may put the subject at significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study
05

Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
202 participants (actual)

Study arms

  • Experimental
    TOP1630 Ophthalmic Solution

    Drug: TOP1630 0.1% Ophthalmic Solution TID OU

  • Placebo comparator
    Placebo to TOP1630 Ophthalmic Solution

    Drug: Placebo to TOP1630 0.1% Ophthalmic Solution TID OU

Interventions

  • DrugTOP1630 0.1% Ophthalmic Solution TID OU

    Bilateral ocular drug administration

  • DrugPlacebo to TOP1630 0.1% Ophthalmic Solution TID OU

    Bilateral ocular drug administration

06

What researchers measure

Primary outcomes

  1. Ocular grittiness 6-point (0-5) scale

    Ocular grittiness severity assessment

    Time frame: Day 29

  2. Ocular surface (all-regions) lissamine green staining score 5-point (0-4) scale each region

    Dry Eye Syndrome ocular staining assessment. Total region score: inferior, superior, central, temporal, and nasal.

    Time frame: Day 29

Secondary outcomes

  1. Ocular discomfort 5-point (0-4) scale

    Ocular discomfort severity assessment

    Time frame: Day 29

  2. Ocular dryness 6-point (0-5) scale

    Ocular dryness severity assessment

    Time frame: Day 29

  3. Conjunctival lissamine green staining score 5-point (0-4) scale each region

    Dry Eye Syndrome ocular staining assessment. Conjunctival sum score: temporal and nasal.

    Time frame: Day 29

  4. Corneal lissamine green staining score 5-point (0-4) scale each region

    Dry Eye Syndrome ocular staining assessment. Corneal sum score: inferior, superior and central.

    Time frame: Day 29

  5. Worst ocular symptom 6-point (0-5) scale

    Most severe baseline symptom from reported daily symptoms

    Time frame: Day 29

07

Study locations

4 sites
  • Central Maine Eye Care
    Lewiston, Maine 04240, United States
  • Andover Eye Associates
    Andover, Massachusetts 01810, United States
  • Suite 305, 775 Paramount Drive
    Raynham, Massachusetts 02767, United States
  • Total Eye Care
    Memphis, Tennessee 38119, United States
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 7, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03833388
Lead sponsor
Topivert Pharma Ltd
Responsible party
Sponsor
First posted
Feb 7, 2019
Start date
Feb 13, 2019
Primary completion
May 14, 2019
Completion
May 14, 2019
Last update
Aug 7, 2019

Oversight

FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Aug 2019. You cannot join it, but the record below documents what was studied.

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