New eye drop battle: can ectoin beat hyaluronic acid for dry eyes?

NCT ID NCT01684852

Completed Symptom relief Sponsor: Bitop AG Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compared two types of eye drops—ectoin (BAT04) and hyaluronic acid—for treating dry eye disease. 64 adults with mild to moderate dry eye used the drops six times daily in both eyes for 28 days. The main goal was to see how well each drop improved tear film stability, measured by tear break-up time. Results were recorded at the end of the treatment period.

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Conditions

The condition(s) this trial relates to.

dry eye syndrome

As listed by the trial registrant

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

DRY EYE SYNDROMES

Contacts and locations

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Locations

Augenabteilung am St. Franziskus-Hospital Münster

Münster, 48145, Germany
Augenklinik der LMU Klinikum der Universität Muenchen

München, 80336, Germany
Augenklinik mit Poliklinik

Erlangen, 91054, Germany
Dr. Insa Beddermann

Duderstadt, 37115, Germany
Dr. Peter Otto

Bad Liebenwerda, 04924, Germany