Clinical Trial Results: Zinc Supplementation Prior to Botox Injections for Spasmodic Dysphonia [Phase 1, Phase 2]

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Summary

A completed Phase 1/Phase 2 trial investigated zinc supplementation before Botox injections for spasmodic dysphonia.

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Diseases / indications

• Spasmodic Dysphonia

Drugs mentioned

• Botox (OnabotulinumtoxinA)
• Zinc supplementation (zinc)

Snippet

Sponsor: University of Florida | Conditions: Spasmodic Dysphonia | Phase 1, Phase 2 | Status: COMPLETED | Results posted: 2026-07-27