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In this double blind clinical trial 92 patients suffering from rheumatoid arthritis are included. Those with the history of intraocular and corneal surgery, diabetic and heavy smokers are excluded from the study. Before starting the treatment all patients undergo complete ophthalmic exam, corneal biomechanical properties assessment by Ocular Response Analyzer (ORA) and corneal thickness measurement. Patients are randomly assigned to treatment and placebo groups. Those in the treatment groups receive glucosamine sulfate 1500 mg three times a day. Those in placebo arm receive alike capsule with the same schedule. At month 3 and 6 IOP(intraocular pressure), ORA and pachymetry would be checked again.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Administration of the Placebo | Placebo Comparator | Placebo three times a day. |
|
| Administration of the glucosamine sulfate | Placebo Comparator | glucosamine sulfate 1500 mg three times a day |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Placebo three times a day | Drug |
|
| |
| Measure | Description | Time Frame |
|---|---|---|
| Intraocular pressure changes | : Goldmann applanation tonometry | until 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| corneal biomechanical changes | Ocular Response Analyzer (ORA) | until 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Mohammad Pakravan, MD | Contact | 009822591616 | labbafi@hotmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Islamic Republic OF Iran | Recruiting | Tehran | Iran |
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| ID | Term |
|---|---|
| D004467 | Economics |
| D005944 | Glucosamine |
| ID | Term |
|---|---|
| D004472 | Health Care Economics and Organizations |
| D006595 | Hexosamines |
| D000606 | Amino Sugars |
| D002241 | Carbohydrates |
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| glucosamine sulfate 1500 mg three times a day |
| Drug |
|
|