Status:

RECRUITING

Trimethoprim-sulfamethoxazole vs. Clindamycin for the Treatment of Children With Invasive MRSA Infections

Lead Sponsor:

Indiana University

Conditions:

Methicillin Resistant Staphylococcus Aureus

Osteomyelitis Acute

Eligibility:

All Genders

2-18 years

Phase:

PHASE4

Brief Summary

The goal of this clinical trial is to learn if trimethoprim-sulfamethoxazole (TMP-SMX) works to treat invasive infections due to methicillin-resistant Staphylococcus aureus (MRSA) in children. It will...

Eligibility Criteria

Inclusion

  • 60 days to 18 years of age (inclusive) at the time of oral step down treatment
  • Diagnosed by the clinical team with OAI or HNI:
  • OAI- at least 1 focal finding and 1 systemic finding OR radiographic confirmation of OAI
  • Focal finding- pain/swelling over a bone/joint, or restricted movement/failure to bear weight
  • Systemic finding- fever \>38oC, or elevated c-reactive protein (CRP) or elevated erythrocyte sedimentation rate. (ESR) or elevated white blood cell count (WBC) or elevated WBC in synovial fluid OR
  • Radiographic confirmation- findings consistent with osteomyelitis or septic arthritis - Plain radiograph, MRI, CT or ultrasound, bone scan result indicating abnormal bone, subperiosteal or bone marrow findings consistent with infection
  • HNI- at least 1 focal finding and 1 systemic finding OR radiographic confirmation of HNI
  • Focal finding- facial pain or redness, eye pain or proptosis, neck or throat pain or swelling, ear pain or proptosis
  • Systemic finding- fever \>38oC, or elevated CRP or elevated ESR or elevated WBC OR
  • Radiographic confirmation- findings consistent with facial/orbital cellulitis, cervical lymphadenitis, mastoiditis, or deep neck infection/abscess (including peritonsillar, retro- and para-pharyngeal. Plain radiograph, MRI, CT or ultrasound, bone scan result indicating abnormal findings consistent with infection
  • Treated by the clinical team for confirmed MRSA or suspected MRSA infection
  • Confirmed MRSA- positive culture for MRSA from a sterile body fluid (e.g., blood, abscess, bone, synovial fluid, or other surgical specimen)
  • Suspected MRSA- treatment for MRSA by the clinical team without microbiologic confirmation (e.g., negative cultures)
  • Currently ready or planned to be transitioned to oral antibiotic therapy by the clinical team
  • OAI or HNI symptoms \< 14 days at the time of hospital admission

Exclusion

  • Enrollment in another interventional study or receipt of investigational drug as part of a research trial within the past 30 days.
  • Known cancer, acquired or primary (including sickle cell anemia or G6PD deficiency) immunodeficiency
  • Underlying bone disease, presence of hardware /implantable device in affected bone/joint
  • Infection (OAI or HNI) resulting from penetrating wounds, open fractures, major trauma, foreign body or post-operative infection.
  • Spinal osteomyelitis
  • Underlying chronic renal, gastrointestinal, liver, or heart disease that would be expected to potentially affect absorption or the metabolism of assigned drug
  • Inability to take medicine by mouth, gastrostomy, jejunostomy or nasogastric tube
  • Received intravenous antibiotic therapy as the treatment for OAI or HNI \>14 days.
  • Inability or unwilling to consent
  • Any social or medical conditions judged by the study clinician to preclude participation because it could negatively affect the participant.
  • Allergy to both TMP-SMX and clindamycin
  • Known MRSA isolate resistant to both TMP-SMX and clindamycin
  • Patient is known to be pregnant at the time of enrollment

Key Trial Info

Start Date :

May 20 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 1 2027

Estimated Enrollment :

100 Patients enrolled

Trial Details

Trial ID

NCT06982105

Start Date

May 20 2025

End Date

June 1 2027

Last Update

June 4 2025

Active Locations (1)

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Riley Hospital for Children

Indianapolis, Indiana, United States, 46202