Cochrane · systematic review · CD010223

Selenium supplementation for Hashimoto's thyroiditis

van Zuuren, EJ, Albusta, AY, Fedorowicz, Z, et al. · Cochrane Database of Systematic Reviews · 2013 · Cochrane Library

Metabolic and Endocrine DisordersAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
3
No studies
3
Included studies
NR
No studies 3 · 50%Ungraded 0 · 0%Very low 0 · 0%Low 3 · 50%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Selenium (+LT4) compared to placebo (+LT4) for participants with Hashimoto's thyroiditis

Population: participants with Hashimoto's thyroiditis.
6 questions
OutcomeEffectEvidenceStatus / GRADE
Change from baseline in health‐related quality of life
Selenium (+LT4) vs placebo (+LT4)
no estimate extractedNRNo studies
Change from baseline in assessment of symptoms such as mood, fatigue and muscle weakness Short‐Form Health Survey
Selenium (+LT4) vs placebo (+LT4)
RR 4.67 [1.61, 13.5]1 study · 36 participantsLow
Downgraded: imprecision
Proportion of participants reporting an adverse event
Selenium (+LT4) vs placebo (+LT4)
RR 2.71 [0.29, 25.66]3 studies · 258 participantsLow
Change from baseline in serum levels of anti‐thyroid peroxidase antibodies Decrease from 1508 to 25 IU/L
Selenium (+LT4) vs placebo (+LT4)
no estimate extracted4 studies · 252 participantsLow
Change from baseline in LT4 replacement dosage at end of study
Selenium (+LT4) vs placebo (+LT4)
no estimate extractedNRNo studies
Economic costs
Selenium (+LT4) vs placebo (+LT4)
no estimate extractedNRNo studies