Tears; ExcessPhase 4NCT06080438
Effect of Topical Botulinum Toxin Eyedrop on Palpebral Fissure
A Phase 4 study testing Botulinum toxin in people with Tears; Excess and Eyelid Spasm, run by University of Miami at 1 site in United States.
Trial summary
The purpose of this research study is to test if Topical (applied to the surface of the eye) Botulinum Toxin temporarily lowers the upper eyelid and makes the eyelid appear less open and thereby affects the eye surface and decreases reflexive tearing. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Tears; Excess, Eyelid Spasm
- What is being tested?
- Botulinum toxin
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 2 participants
- Where
- 1 siteUnited States
- Study dates
- 29 Nov 2022to 28 Jul 2024
- Phase
- Phase 4
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Adults aged 18 and above that present to the oculoplastic and reconstructive surgery department that are able to provide informed consent to participate
- Presence of upper eyelid retraction or asymmetry( >1mm)
Who cannot join
- Adults unable to consent
- Individuals less than 18 years of age
- Prisoners
- Pregnant women. o Patients will be asked if they are pregnant by research staff before participation in the study.
- Women who are breast-feeding
- Known contradictions or sensitivities to study medication
Show all 16Show fewer
- Grossly abnormal lid margins, anatomical abnormalities
- Variable ptosis or eyelid position (e.g., myasthenia gravis, blepharospasm)
- Any ocular or systemic condition that, in the opinion of the investigator, would confound study data, interfere with the subject's study participation, or affected the subject's safety or trial parameters
- Presence of an active ocular infection
- Inability to sit comfortably for 15 - 30 minutes
- Botulinum toxin injection in the eyelids during the past 3 weeks.
- Neuromuscular disorders (e.g., Parkinson's disease or myasthenia gravis)
- Medication use known to interfere with the effects of botulinum toxin-A within the previous 1 month (e.g., aminoglycoside or benzodiazepines),
- Previous history of hypersensitivity reactions to botulinum toxin-A
- Dysfunction of tear production or secretion (e.g., meibomian gland dysfunction or Sjogren's syndrome),
Trial locations and contacts
1 site in 1 country.
About this study
Official title: The Effect of Topical Botulinum Toxin Eyedrop on Palpebral Fissure Height, Ocular Surface and Tearing
The purpose of this research study is to test if Topical (applied to the surface of the eye) Botulinum Toxin temporarily lowers the upper eyelid and makes the eyelid appear less open and thereby affects the eye surface and decreases reflexive tearing.
- Conditions
- Tears; Excess, Eyelid Spasm
- Being tested
- Botulinum toxin
- Medical subject headings
- Lacerations, Blepharospasm
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Botulinum toxinDrug
Also called BOTOX
15 units of botulinum toxin administered one time to the eye via eye drops
| Study group | Role | What they receive |
|---|---|---|
| Botulinum toxin group | Experimental | The left eye of each participant will receive botulinum toxin eye drops and will remain in this group for up to 40 minutes. Receives: Drug: Botulinum toxin |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in Palpebral Fissure Height
Palpebral fissure on Day 3 minus palpebral fissure at baseline.
Palpebral fissure is the area between the upper and lower eyelid margins. Palpebral fissure height on eyes is measured in primary gaze position with a clear ruler held in a central vertical position between the upper and lower eyelid margin.
Measured: baseline and Day 3
Secondary outcomes (3)
Corneal Staining Density
Scoring of the ocular surface will be done by fluorescein staining and evaluating with a slit lamp and grading scale: 0-3 0 (no punctate staining)
- (sparse density)
- (moderate density)
- (high density and overlapping lesions).
Measured: Baseline
Corneal Staining Density
Scoring of the ocular surface will be done by fluorescein staining and evaluating with a slit lamp and grading scale: 0-3 0 (no punctate staining)
- (sparse density)
- (moderate density)
- (high density and overlapping lesions).
Measured: Day 3
Change in Tearing
Change in tearing will be calculated as tearing on Day 3 minus tearing at baseline.
Tearing will be assessed using the Schirmer test with anesthesia. Schirmer strip is inserted into the lower conjunctival sac at the junction of the lateral and middle thirds, avoiding touching the cornea, and the length of wetting strips in millimeters is recorded after 5 minutes.
The result can range from a minimum of 0 mm (no tearing) to a maximum of 35 mm (maximum tearing).
Measured: baseline and Day 3
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Oct 2023
- Study start29 Nov 2022
- Primary completion28 Jul 2024
- Study completion28 Jul 2024
Why it stopped: Patient recruitment shortage and study coordinator turnover
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for Tears; ExcessStudies of the same condition, open and under way.
- More trials run by University of MiamiThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 2 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Miami
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Wendy Lee, University of Miami
- Investigators
- Wendy Lee, MD, Principal investigator, University of Miami
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06080438
- Sponsor's protocol ID
- 20220083
- Status last verified
- Nov 2024
- First submitted
- 5 Oct 2023
- Last updated
- 5 Dec 2024
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 5 Dec 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effect of Topical Botulinum Toxin Eyedrop on Palpebral Fissure Height, Ocular Surface and Tearing
- ClinicalTrials.gov ID
- NCT06080438
- Acronym / sponsor ID
- 20220083
- Conditions
- Tears; Excess, Eyelid Spasm
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: Patient recruitment shortage and study coordinator turnover
- Enrolment
- 2 participants (actual)
- Lead sponsor
- University of MiamiUniversity, hospital or other
- Study start
- 29 Nov 2022 (actual)
- Primary completion
- 28 Jul 2024 (actual)
- Study completion
- 28 Jul 2024 (actual)
- First posted
- 12 Oct 2023 (actual)
- Results
- Posted 5 Dec 2024
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this research study is to test if Topical (applied to the surface of the eye) Botulinum Toxin temporarily lowers the upper eyelid and makes the eyelid appear less open and thereby affects the eye surface and decreases reflexive tearing.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Botulinum toxin group | Experimental | Drug: Botulinum toxinThe left eye of each participant will receive botulinum toxin eye drops and will remain in this group for up to 40 minutes. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Adults aged 18 and above that present to the oculoplastic and reconstructive surgery department that are able to provide informed consent to participate
- Presence of upper eyelid retraction or asymmetry( >1mm)
Key exclusion criteria (16 listed)
- Adults unable to consent
- Individuals less than 18 years of age
- Prisoners
- Pregnant women. o Patients will be asked if they are pregnant by research staff before participation in the study.
- Women who are breast-feeding
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Botulinum toxinAlso: BOTOX15 units of botulinum toxin administered one time to the eye via eye drops | Drug | Botulinum toxin group |
Primary outcome
Change in Palpebral Fissure Height
Time frame: baseline and Day 3
Palpebral fissure on Day 3 minus palpebral fissure at baseline. Palpebral fissure is the area between the upper and lower eyelid margins. Palpebral fissure height on eyes is measured in primary gaze position with a clear ruler held in a central vertical position between the upper and lower eyelid margin.
3 secondary outcomes
Corneal Staining Density
Time frame: Baseline
Corneal Staining Density
Time frame: Day 3
Change in Tearing
Time frame: baseline and Day 3
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 Dec 2024.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Wendy Lee, MD principal investigator
University of Miami
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Botulinum toxin in people with Tears; Excess and Eyelid Spasm, run by University of Miami at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 5 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 5 Dec 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in Palpebral Fissure Height (time frame: baseline and Day 3). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 5 Dec 2024.