A Phase 2, Randomized, Double-Blind, Placebo-Controlled Trial Assessing the Safety and Efficacy of OBI-858 in Patients with Moderate-to-Severe Glabellar Lines - Summary - MDSpire

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Trial Assessing the Safety and Efficacy of OBI-858 in Patients with Moderate-to-Severe Glabellar Lines

  • By

  • Yu-Hsiu Yen

  • Tzu-Wen Tsau

  • Chih-Hung Lee

  • Hsin-Han Chen

  • Chih-Hung Lin

  • Tim-Mo Chen

  • Chi-Ming Pu

  • November 1, 2025

  • 0 min

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Objective:

To evaluate the efficacy, safety, and optimal dose of OBI-858 in treating moderate-to-severe glabellar lines, addressing unmet treatment needs.

Key Findings:
  • OBI-858 at 20U showed significantly better wrinkle reduction compared to 10U or placebo (p < 0.05).
  • Effects of OBI-858 lasted up to 24 weeks.
  • The treatment demonstrated rapid onset and sustained subject satisfaction.
Interpretation:

OBI-858 has a favorable safety profile and potential as a next-generation botulinum toxin for treating glabellar lines.

Limitations:
  • Study conducted in a limited geographical area (Taiwan), which may affect generalizability.
  • Short follow-up duration of 24 weeks may not capture long-term effects, necessitating further research.
Conclusion:

OBI-858 shows promise for effective and long-lasting treatment of moderate-to-severe glabellar lines, warranting further investigation to confirm these findings.

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