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Linezolid for Syphilis Pilot Study

StatusActive, Not Recruiting
PhasePhase 2
Started
View on ClinicalTrials.gov ↗
Record status
This record was last updated March 12, 2026 (before its estimated August 2026 completion). Its status may not reflect the trial's current state.

Record History

See every version on ClinicalTrials.gov ↗

  1. Primary completion date: Dec 2025 to Aug 2026v6 Show 6 more changesShow less
    • Trial status: Recruiting to Active, Not Recruiting
    • Study sites: 2 to 5
    • Study completion date: Mar 2026 to Aug 2026
    • Eligibility criteria expanded, about 110 words
    • Study description expanded, about 11 words
    • Collaborators shortened, about 12 words
  2. Primary completion date: Mar 2025 to Dec 2025
    • Study completion date: Mar 2025 to Mar 2026
    v5
  3. Study description shortened, about 32 words
    • Site details revised at 1 of 2 sites
    • Secondary endpoints shortened, about 3 words
    v4
  4. Phase: Early Phase 1 to Phase 2v3 Show 6 more changesShow less
    • Trial status: Not Yet Recruiting to Recruiting
    • Enrollment target: 60 to 24
    • Start date changed from estimate of Apr 2023 to Sep 28, 2023
    • Study sites: 0 to 2
    • Interventions: Group A, Penicillin (Drug), Group B, Linezolid 10d (Drug), Group C, Linezolid 5 (Drug) to Group A, Penicillin (Drug), Group B, Linezolid 10d (Drug)
    • Study arms: 3 to 2
  5. Study description expanded, about 1 word
    • Study title expanded, about 2 words
    v2
  6. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The study aims to evaluate the efficacy of linezolid for the treatment of syphilis.
Trial Details
NCT Number NCT05548426
Lead Sponsor University of Southern California
Conditions
(from sponsor)		 Syphilis
Related terms Syphilis, Treponemal Infections
Enrollment 24 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov