The Effect of a New Antioxidant Combination (ASTED) on Moderate to Severe Thyroid Eye Disease, a Double Blind Placebo Controlled Randomized Clinical Trial
The Effect of a New Antioxidant Combination (ASTED) on Moderate to Severe Thyroid Eye Disease, a Double Blind Placebo Controlled Randomized Clinical Trial
ASTED (Antioxidant Supplements for TED) trial is an investigator-initiated, randomized, triple masked, clinical trial of a selected combination of vitamins and minerals versus placebo in patients with moderate to severe thyroid eye disease. The trial has a parallel-arm design.
Primary aim: To investigate if ASTED or as compared with placebo could affect the course of TED either by enhancing improvement or preventing worsening in patients with Moderate to severe TED thyroid eye disease (TED) based on:
Total eye score (NOSPECS severity score) 1 Total eye score is used to assess the severity of TED, which was calculated by multiplying each class of the NOSPECS system1 (except class 0) to its grade of severity (0-3), yielding a maximum total score of 63 and a minimum total score of 0 (the higher the number the worse the severity) The overall ophthalmic outcome is a composite score based on multiple items (Soft tissue, retraction, proptosis, diplopia, and corneal involvement); the use of a composite score circumvents the problem arising from the presence of improvement in one item and simultaneous worsening in another item.
The severity score in each of the classes 1, 2, 3, and 4 will also be separately compared to evaluate the effect of different treatments on each sign.
Score of thyroid eye disease Quality of life questionnaire (TED-QOL) 2.
Secondary outcomes measures:
To compare possible change in:
Inclusion Criteria:
Exclusion Criteria: