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NCT Number: NCT05369052

Safety and Efficacy Study of Contezolid Acefosamil and Contezolid Compared to Linezolid Administered Intravenously and Orally to Adults With Moderate or Severe Diabetic Foot Infections (DFI)

This is a Phase 3, multicenter, randomized, double-blind, safety and efficacy study of contezolid acefosamil (IV)/contezolid (PO) compared with linezolid (IV and PO) administered for a total of 14 to 28 days in adult subjects with moderate or severe DFI.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

MHAT Sveti Nikolay Chudotvorets EOOD, Lom, Bulgaria

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About this study

Approximately 865 subjects (519 contezolid acefosamil/contezolid: 346 linezolid) will be enrolled with moderate or severe DFI that are confirmed or suspected to be due to a Gram-positive bacterial pathogen (MITT analysis set).

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Have diabetes mellitus (type 1 or 2) per the American Diabetes Association criteria
  • Have a foot infection that started at or below the malleolus and does not extend above the knee
  • Foot infection that meets the IWGDF DFI criteria for classification 3 (moderate infection) or 4 (severe infection)
  • Foot infection had acute onset or worsening of signs and symptoms within the past 14 days

Exclusion criteria

  • Previous DFI known or suspected to be caused by Gram-positive pathogens that are resistant to oxazolidinone antibiotics
  • DFI with presumptive evidence or suspicion of osteomyelitis
  • Necrotizing fasciitis, crepitant cellulitis, wet gangrene, gas gangrene, ecthyma gangrenosum, septic arthritis, or severely impaired arterial supply to any portion of the affected foot which may need revascularization before the end of the study
  • Evidence of significant hepatic, renal, hematologic, or immunologic disease
  • Females who are pregnant or breastfeeding
  • Prior receipt of any formulation of contezolid acefosamil or contezolid
  • Inability to cooperate fully with the requirements of the study protocol, including the schedule of events, or likely to be noncompliant with any study requirements, or the Investigator determines that the subject should not participate in the study

Treatment and study plan

contezolid acefosamil (IV)/contezolid (PO)

Drug

Contezolid acefosamil (IV)/contezolid (PO) administered for a total of 14 to 28 days (28 to 56 doses)

Linezolid (IV and PO)

Drug

Linezolid (IV and PO) administered for a total of 14 to 28 days (28 to 56 doses)

Primary outcomes

  1. Clinical response calculated with percentage of subjects with resolution of DFI signs and symptoms and requiring no further therapy as assessed by Investigators

    Time frame: Day 35

    The primary objective is to evaluate the Investigator's assessment of clinical response at the D35 visit in subjects receiving contezolid acefosamil/contezolid compared to subjects receiving linezolid in the MITT analysis

  2. Adverse events - symptoms reported by subjects

    Time frame: 28-35 days after End-of-Therapy (EOT)

    Evaluate safety of contezolid acefosamil (IV)/contezolid (PO) compared with linezolid (IV and PO)

  3. Clinical laboratory assessment - complete blood count

    Time frame: 28-35 days after End-of-Therapy (EOT)

    Will be evaluated under safety of contezolid acefosamil (IV)/contezolid (PO) compared with linezolid (IV and PO)

  4. Vital signs - heart rate

    Time frame: 28-35 days after End-of-Therapy (EOT)

    Will be evaluated under safety of contezolid acefosamil (IV)/contezolid (PO) compared with linezolid (IV and PO)

Secondary outcomes

  1. Clinical response calculated with percentage of subjects with resolution of DFI signs and symptoms and requiring no further therapy as assessed by Investigators

    Time frame: 14-28 days

    Evaluate the Investigator's assessment of clinical response at EOT visit in the MITT analysis set

  2. Clinical response calculated with percentage of subjects with resolution of DFI signs and symptoms and requiring no further therapy as assessed by Investigators

    Time frame: Day 10, 28-35 days after EOT

    Evaluate the Investigator's assessment of clinical response at Day 10 (D10) and Late Follow-Up visits (LFU; 28-35 days after EOT) in the MITT analysis set

Study contacts

Contact information is provided by the study sponsor or research team.

Clinical coordinator

CONTACT

[email protected]

510-782-2022

Sponsors and collaborators

Lead sponsor

MicuRx

Industry

Registry information

Official study title

A Phase 3, Multicenter, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of Contezolid Acefosamil and Contezolid Compared to Linezolid Administered Intravenously and Orally to Adults With Moderate or Severe Diabetic Foot Infections (DFI)

Important dates

Study start
2022
Primary completion
2026
Study completion
2026
First posted
May 11, 2022
Registry last updated
Sep 10, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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