Comparing doxycycline and TMP-SMX for treating skin infections

Short and long term outcomes of doxycycline versus TMP-SMX for SSTI treatment

NIH-funded research Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center · NIH-10457315

This study is looking at how well doxycycline works compared to another antibiotic, trimethoprim-sulfamethoxazole, for treating skin infections that are common in the community, so doctors can choose the best treatment for you.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionLundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center NIH-funded
Lab location1 site (Torrance, United States)
Project IDNIH-10457315 on NIH RePORTER

What this research studies

This research investigates the effectiveness of doxycycline compared to trimethoprim-sulfamethoxazole (TMP-SMX) in treating community-associated skin and soft tissue infections (SSTIs). The study aims to gather high-quality clinical trial data to guide physicians in prescribing the most effective antibiotic treatment for these infections, which have seen a significant rise in incidence. Patients will be monitored for both short and long-term outcomes, including rates of recurrence and resistance to antibiotics. The research focuses on understanding how these treatments perform in real-world settings, particularly in light of increasing antibiotic resistance.

Who could benefit from this research

Good fit: Ideal candidates for this research include adults and children aged 0-21 who are experiencing community-associated skin and soft tissue infections.

Not a fit: Patients with SSTIs caused by antibiotic-resistant bacteria that are not addressed by doxycycline or TMP-SMX may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatment options for patients suffering from skin infections, potentially reducing recurrence rates and improving overall health outcomes.

How similar studies have performed: Previous studies have shown promising results with similar antibiotic comparisons, indicating that this research builds on established findings in the field.

Where this research is happening

Torrance, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.