New eye drops show promise for fast dry eye relief
NCT ID NCT06309953
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested Miebo eye drops in 99 adults with dry eye disease. Participants used one drop in each eye four times daily for 14 days. The main goal was to see how much dry eye symptoms improved after one week, measured on a 0-to-100 scale. The study is complete, but results are not yet published.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Miebo (perfluorohexyloctane ophthalmic solution)
- What this could lead to
- If successful, this could confirm that Miebo quickly relieves dry eye symptoms within a week, offering a new option for people with dry eye disease.
- What could go wrong
- This is a small, completed Phase 4 trial with no control group, so results may not prove effectiveness compared to placebo or other treatments. Individual results may vary.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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99 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Jun 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. At least 18 years of age at the time of consent 2. Able to provide written voluntary informed consent 3. The same eye must satisfy the below inclusion criteria (a-e): 1. Subject-reported history of DED in at least 1 eye for at least 6 months prior to Visit 1 2. Tear-film break-up time ≤5 seconds at Visit 1 3. Total corneal fluorescein staining score ≥4 and ≤11 (ie, sum of inferior, superior, central, nasal, and temporal) according to the National Eye Institute scale at Visit 1 4. Total meibomian gland dysfunction score ≥3 (range, 0-15) 5. Unanesthetized Schirmer's test I score ≥5 mm 4. Ocular Surface Disease Index (OSDI) ≥25 at Visit 1 5. Able and willing to follow instructions, including participation in all trial assessments and visits. Exclusion Criteria: Note: Ocular exclusion criteria are relevant to both eyes, such that meeting a criterion in either eye excludes the subject from the study 1. Had received Miebo as a prescription or as a study treatment in previous Miebo clinical studies 2. Have any clinically significant ocular surface slit lamp findings at Visit 1 and/or, in the opinion of the Investigator, have any findings that could interfere with trial parameters, including: 1. History of eye trauma 2. History of Stevens-Johnson syndrome 3. Active blepharitis or lid margin inflammation 4. DED secondary to scarring, irradiation, alkali burns, cicatricial pemphigoid, or destruction of conjunctival goblet cells (as with vitamin A deficiency) 5. Abnormal lid anatomy causing incomplete eyelid closure 6. Abnormal cornea shape (keratoconus) 7. Corneal epithelial defect or significant confluent or filaments 8. History of herpetic keratitis 9. Pterygium 10. Ocular or periocular rosacea 3. Use of any of the following ocular therapies within 60 days prior to Visit 1: Vuity®, any topical ocular steroid treatments, prescription dry eye therapy including varenicline nasal spray, or topical anti-glaucoma medication 4. Had a LipiFlow® procedure, intense pulse light procedure, or any kind of other procedure affecting meibomian glands within 6 months prior to Visit 1 5. Had received or removed a permanent punctum plug within 3 months (6 months for dissolvable plugs) prior to Visit 1 6. Use of any eye drops (prescription or over-the counter, such as artificial tears or Lumify®) and/or TrueTear™ device (intranasal tear neurostimulator) within 24 hours prior to Visit 1 7. Have active ocular allergies or ocular allergies that are expected to be active during the trial period. 8. Have worn contact lenses within 1 month prior to Visit 1 or planned wear during the study. 9. Have undergone intraocular surgery or ocular laser surgery within 3 months prior to Visit 1; have undergone refractive surgery within 2 years prior to Visit 1 10. Have active ocular or systemic infection (bacterial, viral, or fungal), including fever. 11. Female subjects who are pregnant, nursing, or planning a pregnancy 12. Female subjects of childbearing potential who are not using an acceptable means of birth control; acceptable methods of contraception include hormonal (oral, implantable, injectable, or transdermal) contraception; mechanical (spermicide in conjunction with a barrier such as a diaphragm or condom) contraception; intrauterine device; or surgical sterilization of partner. For non-sexually active female subjects, abstinence may be regarded as an adequate method of birth control; however, if the subject becomes sexually active during the trial, she must agree to use adequate birth control as defined above for the remainder of the trial. 13. Have an uncontrolled systemic disease that, in the opinion of the Investigator, will interfere with the trial 14. Have a known allergy and/or sensitivity to the study treatment 15. Use of any oral medications known to cause ocular drying (eg, antihistamines, antidepressants, etc.) on a non-stable regimen within 1 month prior to Visit 1 or is expected to be unstable during the trial 16. Have taken isotretinoin (eg, Accutane, Myorisan, Claravis, Amnesteem) within 6 months prior to Visit 1 17. Have corrected visual acuity (VA) worse than or equal to +0.7 logarithm of the minimum angle of resolution (logMAR), as assessed with Snellen chart at Visit 1 18. Are currently enrolled in an investigational drug or device study or had used an investigational drug or device within 60 days prior to Visit 1.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Site 201
Brecksville, Ohio, 44141, United States
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Site 202
Kansas City, Missouri, 64154, United States
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Site 203
Pittsburg, Kansas, 66762, United States
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Site 204
Stillwater, Minnesota, 55082, United States
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Site 205
Petaluma, California, 94954, United States
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Site 206
Westlake, Ohio, 44145, United States
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Site 207
Birmingham, Alabama, 35233, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- A gel plug for tear ducts may stop post-surgery dry eye
- Can a thymosin beta 4 eye drop soothe dry eye?
- Insulin-spiked eye drops may ease stubborn dry eye in Sjögren's patients
- Can four eye scanners detect how miebo stabilizes tears?