About this trial
This randomized controlled trial aims to compare the efficacy and safety of transconjunctival versus transcutaneous perilevator betamethasone injection in reducing upper eyelid retraction in patients with thyroid eye disease.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
- Age 18 years or older
Clinical diagnosis of thyroid eye disease with stable thyroid function for at least 3 months
Unilateral or bilateral upper eyelid retraction with Margin Reflex Distance 1 greater than 4.5 mm in at least one eye
Thyroid eye disease duration less than 24 months
Disqualifiers
- Active sight-threatening thyroid eye disease requiring urgent decompression or systemic immunosuppression
Current or recent (within 3 months) systemic corticosteroids or other immunosuppressives for thyroid eye disease
Previous levator or Müller muscle surgery, botulinum toxin, or filler injection to the upper eyelid within 6 months
Contraindications to local steroid injection (active ocular infection, uncontrolled glaucoma, pregnancy or lactation)
Trial design
Parallel
Treatments tested in this trial
Betamethasone
DrugBetamethasone suspension 1 mL injected into the perilevator space.
Treatment groups
Trial outcomes
Primary outcomes
Change in Margin Reflex Distance 1
Mean change in Margin Reflex Distance 1 (MRD1) in millimeters from baseline to 3 months after the first injection.
Secondary outcomes
Proportion of eyes with effective response
Proportion of eyes achieving MRD1 ≤ 4.5 mm at 3 months.
Mean number of injections required
Mean number of betamethasone injections required to reach target MRD1.
Proportion of eyes with intraocular pressure elevation
Proportion of eyes with intraocular pressure ≥ 21 mmHg or increase ≥ 5 mmHg from baseline.
Change in Graefe sign
Mean change in lid lag on downgaze (Graefe sign) in millimeters from baseline to 3 months.
Locations
Sponsors and contacts
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