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Recruiting Phase 2 NCT04440280

NCT04440280 Targeting Reactive Oxygen Species Production as a Novel Therapeutic in Fuch's Endothelial Corneal Dystrophy

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Clinical Trial Summary
NCT ID NCT04440280
Status Recruiting
Phase Phase 2
Sponsor Massachusetts Eye and Ear Infirmary
Condition Fuchs Endothelial Corneal Dystrophy
Study Type INTERVENTIONAL
Enrollment 45 participants
Start Date 2020-09-16
Primary Completion 2026-04-29

Eligibility & Interventions

Sex All sexes
Min Age 21 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
N-acetyl cysteine (NAC) 10% solutionN-acetyl cysteine (NAC) 20% solutionVisine Dry Eye Relief eye drops

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 45 participants in total. It began in 2020-09-16 with a primary completion date of 2026-04-29.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This protocol will investigate whether topical application of N-acetyl cysteine (NAC) eye drops decreases oxidative stress and confers cytoprotection in patients with FECD.

Eligibility Criteria

Inclusion Criteria: 1. Male or female ≥21 years of age at time of surgical evaluation. 2. Diagnosis of advanced FECD and visually significant cataract 3. Indication for DMEK (Descemet Membrane Endothelial Keratoplasty) with concurrent cataract surgery 4. Written informed consent obtained from subject and ability for subject to comply with the requirements of the study. 5. Willingness and ability to adhere to medication regimen Exclusion Criteria: 1. Pregnant, breastfeeding, or unwilling to practice birth control during participation in the study. 2. History of prior intraocular surgery in study eye including cataract, glaucoma and/or retina surgery 3. History of other corneal diseases, such as severe dry eye, corneal scars, pseudophakic bullous keratopathy, corneal degenerations, corneal infections 4. Use of ocular prescription medications except for lubricants, hyperosmotic agents, or ocular hypotensive agents 5. History of ocular surface infection within the past 30 days 6. Use of systemic, inhalational, or topical N-Acetylcysteine within the past 30 days 7. History of intolerance to topical N-Acetylcysteine 8. Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data. \-

Contact & Investigator

Central Contact

Michael Cheung, MSc, CCRP

✉ mcheung0@meei.harvard.edu

📞 6175736060

Principal Investigator

Ula Jurkunas, MD

PRINCIPAL INVESTIGATOR

Mass Eye and Ear

Frequently Asked Questions

Who can join the NCT04440280 clinical trial?

This trial is open to participants of all sexes, aged 21 Years or older, studying Fuchs Endothelial Corneal Dystrophy. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT04440280 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT04440280 currently recruiting?

Yes, NCT04440280 is actively recruiting participants. Contact the research team at mcheung0@meei.harvard.edu for enrollment information.

Where is the NCT04440280 trial being conducted?

This trial is being conducted at Boston, United States.

Who is sponsoring the NCT04440280 clinical trial?

NCT04440280 is sponsored by Massachusetts Eye and Ear Infirmary. The principal investigator is Ula Jurkunas, MD at Mass Eye and Ear. The trial plans to enroll 45 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology