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Can your own blood soothe dry eyes? new study says maybe.

NCT ID NCT07469865

Symptom relief Sponsor: University Hospital, Ghent Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tested whether eye drops made from a patient's own blood (autologous serum) can relieve severe dry eye better than standard artificial tears. 46 adults with severe dry eye tried both diluted (20%) and full-strength (100%) serum drops, as well as artificial tears. The main goal was to see if symptoms improved, measured by a standard questionnaire.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

46 people

The number who actually took part.

Started

Nov 2021

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: The inclusion criteria for patients participating in this study are defined as follows: patients with severe Dry Eye Disease, including severe symptoms as evaluated with a standardized instrument (OSDI score \> 33), associated with at least one of the following objective parameters: A. Tear break-up time (tBUT) as a measure of tear film quality \< 5 seconds B. Positive corneal and conjunctival staining quantified according to the SICCA OSS scale C. Schirmer 1 test score \< 5 mm/5 min (without anesthesia) Exclusion Criteria: The exclusion criteria for patients participating in this study are defined as follows: A. Inability to complete the study protocol, including study-specific procedures. B. Inability to understand the Dutch-language ICF and/or unwillingness or inability to provide signed informed consent. C. History of non-compliance with the proposed therapy D. Presence of known severe anemia based on medical history E. Hypersensitivity to the proposed treatment F. Pregnancy G. Age \<18 years H. In the opinion of the investigator, the subject is not suitable for participation in the study

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Conditions

The condition(s) this trial relates to.

dry eye syndrome graft versus host disease Sjogren syndrome systemic sclerosis

As listed by the trial registrant

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

Dry eye disease

Contacts and locations

Locations

  • Ghent University Hospital

    Ghent, Oost-Vlaanderen, 9000, Belgium

More trials for these conditions

Other studies related to the condition(s) this trial covers.