Eye injections tested to save sight in rare coats disease
NCT ID NCT03940690
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether anti-VEGF injections into the eye could help treat Coats disease, a rare condition that causes abnormal blood vessels and fluid buildup in the retina, potentially leading to blindness. The trial included 18 people with early-stage Coats disease who had not received prior eye treatment. Researchers compared the effects of these injections combined with standard laser therapy to see if they could improve disease stage and reduce the need for repeat laser treatments.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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18 people
The number who actually took part.
- Started
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Oct 2019
- Finished
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Oct 2023
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
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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Up to 16 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Coats disease confirmed by fundus examination and fluorescein angiography * Stage 2 or 3 at the fundus (Shields classification) * Naive to any eye treatment on the eye affected by Coats disease Exclusion Criteria: * Other ocular pathology on the eye affected by Coats' disease * Bilateral forms of the disease * History of hypersensitivity to bevacizumab * History of hypersensitivity to products of Chinese hamster ovary cells or other recombinant human or humanized antibodies * Allergic reaction in a previous fluorescein retinal angiogram * Pregnancy or breastfeeding * Active or suspected periocular infection * Contraindication to treatments used for general anesthesia and morphine derivatives * Cardiovascular, haemorrhagic and gastrointestinal risks * Premature baby who has not reached the correct age of 37 weeks
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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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CHU de Bordeaux
Bourdeaux, 33076, France
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CHU de Reims
Reims, France, 51092, France
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Centre hospitalier René Dubos (Pontoise)
Cergy-Pontoise, France, 95303, France
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Clinique Rive Gauche
Toulouse, France, 31000, France
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Fondation Ophtalmologique A. de Rothschild
Paris, France, 75019, France
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Hôpital Universitaire Necker Enfants Malades, APHP
Paris, France, 75015, France
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