An interventional study of Vitamin D and Placebo in Hypocalcemia, sponsored by University of Alberta. Withdrawn at 1 site in Canada. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2016-09-16.
Sponsored by University of Alberta · Not applicable, Interventional, and Prevention
The purpose of this study is to determine if pre-operative vitamin D supplementation lowers the incidence of post-operative transient or permanent hypoparathyroidism in patients undergoing total thyroidectomy.
82 studies on the registry are indexed under Hypocalcemia; 15 are open to participants now.
Browse Hypocalcemia studies →University of Alberta is the lead sponsor of 800 studies on the registry; 168 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Drug: Placebo
Pre-operative Vitamin D 800 units x 4 weeks
Drug: Vitamin D
Vitamin D 800 units for 4 weeks preoperatively
Placebo
Hypocalcemia
Clinical signs and symptoms(paraesthesias, etc.) OR Laboratory evidence (ICa \< 0.9) Need for IV calcium supplementation
Time frame: Transient (<72 hrs post-operatively)
Hypocalcemia
ICa at 6 weeks and need for continued supplementation beyond 6 weeks post-op (i.e. 3 months follow-up post-operatively)
Time frame: Permanent (>4 weeks)
This study is withdrawn, as verified in May 2012. You cannot join it, but the record below documents what was studied.
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University of Alberta