NCT07347938

A Phase 4 Study to Evaluate the Effectiveness and Safety of Siltartoxatug Injection for Tetanus Prophylaxis Following Injury

A Multicenter, Prospective, Non-Randomized, Open-Label, Active-Controlled Phase 4 Study to Evaluate the Effectiveness and Safety of Siltartoxatug Injection for Tetanus Prophylaxis Following Injury

• Status: Not Yet Recruiting
• Phase: —
• Study type: Observational
• Enrollment: 6,000 (estimated)
• Sponsor: Zhuhai Trinomab Pharmaceutical Co., Ltd. · Industry
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

Study sites were selected from hospitals across diverse regions of China. Approximately 6,000 participants who require passive immunization against tetanus due to various injuries (including those with severe wounds or heavily contaminated injuries) will be enrolled. Per clinical practice: Participants receiving siltartoxatug for tetanus prophylaxis and meeting eligibility criteria will be assigned to the siltartoxatug group (n=4,000); Participants receiving other passive immunizing agents (HTIG, TAT, or F(ab')₂) for tetanus prophylaxis and meeting eligibility criteria will be assigned to the control group (n=2,000), comprising approximately 1,000 HTIG recipients and 1,000 TAT/F(ab')₂ recipients. All clinical management decisions, including concomitant tetanus vaccination, will be made by investigators per standard clinical practice at each center.

Conditions

• Tetanus

Interventions

Type	Name	Description
DRUG	Siltartoxatug Injection	Dosage form: Injectable solution Strength: 10 mg / 0.5 mL per vial Route and regimen: Single intramuscular injection in the gluteal muscle at a dose of 10 mg
DRUG	HTIG/TAT/F(ab')₂	Dosage form, strength, and administration: As specified in the respective product's approved labeling (package insert). All use will follow routine clinical practice per local guidelines.

Timeline

• Start date: 2026-01-05
• Primary completion: 2028-12-31
• Completion: 2029-03-31
• First posted: 2026-01-16
• Last updated: 2026-01-16

Locations

1 site across 1 country: China

Regulatory

• FDA-regulated drug study