Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
50 participants
INTERVENTIONAL
2020-05-01
2023-12-01
Brief Summary
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Patients recruited will take 0.4mg/day Tamsulosin for 3 months and will have follow-ups at 1 week, 1 month and 3 months to evaluate the retraction status.
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Detailed Description
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Upper lid retraction is the most common sign of the eye disease (present in up to 92%). The causes for retraction are not fully understood. It may be related to inflammation of the Levator muscle and the Muller muscle, or related to over sympathetic activity causing overstimulation of the Muller muscle.
Upper lid retraction severity can range from very light to severe, with scleral show, eye dryness and even exposure keratopathy. Additionally it can have a very significant effect on the patient's appearance (a constant surprised look).
Treatments for lid retraction include aggressive lubrication and tarsorrhaphy if needed (sewing the eyelids together).
The Muller is a smooth muscle which elevates the upper eyelid and is sympathetically innervated (alpha receptor).
The drug Tamsulosin which is a selective alpha1 receptor antagonist is commonly used today for benign prostatic hyperplasia (relaxing the prostate muscle).
In this study we would like to test using Tamsulosin for treatment of lid retraction caused by thyroid eye disease. We hypothesise that the relaxation of the Muller muscle may have a beneficial effect on the retraction.
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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tamsulosin treatment
patients will receive 0.4mg/day of Tamsulosin tablet for 3 months
Tamsulosin
selective alpha1 receptor antagonist
Interventions
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Tamsulosin
selective alpha1 receptor antagonist
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* previous eyelid surgery/trauma
18 Years
ALL
No
Sponsors
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Sheba Medical Center
OTHER_GOV
Responsible Party
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Dr. Oded Sagiv
Principal Investigator
Principal Investigators
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Oded Sagiv, MD
Role: PRINCIPAL_INVESTIGATOR
Sheba Medical Center
Locations
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Sheba Medical Center
Tel Litwinsky, , Israel
Countries
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Central Contacts
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Facility Contacts
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References
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Yano S, Hirose M, Nakada T, Nakayama J, Matsuo K, Yamada M. Selective alpha 1A-adrenoceptor stimulation induces Mueller's smooth muscle contraction in an isolated canine upper eyelid preparation. Curr Eye Res. 2010 May;35(5):363-9. doi: 10.3109/02713680903518858.
Kikuchi-Utsumi K, Ishizaka M, Matsumura N, Nakaki T. Alpha(1A)-adrenergic control of piloerection and palpebral fissure width in rats. Auton Neurosci. 2013 Dec;179(1-2):148-50. doi: 10.1016/j.autneu.2013.04.011. Epub 2013 May 20.
Esmaeli-Gutstein B, Hewlett BR, Pashby RC, Oestreicher J, Harvey JT. Distribution of adrenergic receptor subtypes in the retractor muscles of the upper eyelid. Ophthalmic Plast Reconstr Surg. 1999 Mar;15(2):92-9. doi: 10.1097/00002341-199903000-00005.
Other Identifiers
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SHEBA-20-7022-OS-CTIL
Identifier Type: -
Identifier Source: org_study_id
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