Scientists hunt for eye disease clues in your tears

NCT ID NCT04198740

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study collects tear samples from 300 people with dry eye, infectious keratoconjunctivitis, mucous membrane pemphigoid, or allergic conjunctivitis. Researchers will analyze the proteins and metabolites in tears to create a unique fingerprint for each condition. The goal is to better understand these diseases and potentially improve diagnosis.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this could lead to better diagnostic tools for common eye diseases by identifying unique tear markers.

What could go wrong

This is an observational study, not a treatment trial. It may not find clear markers, and results may not change clinical practice soon.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

atopic conjunctivitis Conjunctivitis, Allergic dry eye syndrome keratoconjunctivitis, infectious mucous membrane pemphigoid Pemphigoid, Benign Mucous Membrane

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Centre Hospitalier de l'Université de Montréal (CHUM)

    RECRUITING

    Montreal, Quebec, H2X 3E4, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact

  • Université du Québec à Montréal (UQAM) - Department of Chemistry

    ACTIVE_NOT_RECRUITING

    Montreal, Quebec, H2X 2J6, Canada