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Antibiotics Versus Placebo in the Treatment of Abscesses in the Emergency Department

Trimethoprim-sulfamethoxazole Versus Placebo in the Treatment of Cutaneous Abscesses in the Emergency Department

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00867789
Enrollment
140
Registered
2009-03-24
Start date
2009-03-31
Completion date
2012-10-31
Last updated
2021-01-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Abscess

Keywords

abscess, outcomes, antibiotics, incision and drainage, skin abscess

Brief summary

The purpose of this study is to determine if there is a difference between an antibiotic, trimethoprim-sulfamethoxazole versus placebo in healing outcomes of soft tissue abscesses following incision and drainage.

Interventions

DRUGTrimethoprim-sulfamethoxazole

10mg/kg/day (based on trimethoprim component), divided twice daily for ten days (maximum dose: 160mg (TMP component) per dose)

DRUGSugar pill

10mg/kg/day divided twice daily for ten days. Placebo liquid will contain simple syrup, lactose powder, grape flavor, and food coloring. Placebo capsules will contain lactose powder.

Sponsors

Blue Cross Blue Shield
CollaboratorOTHER
Children's Mercy Hospital Kansas City
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
3 Months to 17 Years
Healthy volunteers
Yes

Inclusion criteria

* Age 3 months to 17 years * Single, localized soft tissue abscesses requiring incision and drainage with purulent material obtained * Diameter of the abscess less than 5cm as measured by the treating physician

Exclusion criteria

* Signs of systemic illness or ill-appearing, as determined by the treating physician * Admission to the hospital following treatment in the Emergency Department * Known sulfa allergy * Immunocompromised patients * Soft tissue abscesses involving the perineum (labia, scrotum, penis, perirectal) * Previous antibiotic use (for any reason) in the past seven days * Non-English speaking patients and families

Design outcomes

Primary

MeasureTime frame
Health Outcomes After Use With Trimethoprim-sulfamethaxazoletwo years

Countries

United States

Participant flow

Participants by arm

ArmCount
Trimethoprim-sulfamethaxazole
Incision and drainage of the abscess and treatment with oral TMP-SMX (100 patients) Trimethoprim-sulfamethoxazole: 10mg/kg/day (based on trimethoprim component), divided twice daily for ten days (maximum dose: 160mg (TMP component) per dose)
70
Sugar Pill
Incision and drainage of the abscess and treatment with oral placebo (100 patients) Sugar pill: 10mg/kg/day divided twice daily for ten days. Placebo liquid will contain simple syrup, lactose powder, grape flavor, and food coloring. Placebo capsules will contain lactose powder.
70
Total140

Baseline characteristics

CharacteristicTrimethoprim-sulfamethaxazoleSugar PillTotal
Age, Categorical
<=18 years
70 Participants70 Participants140 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
0 Participants0 Participants0 Participants
Region of Enrollment
United States
70 participants70 participants140 participants
Sex: Female, Male
Female
38 Participants40 Participants78 Participants
Sex: Female, Male
Male
32 Participants30 Participants62 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 700 / 70
serious
Total, serious adverse events
0 / 700 / 70

Outcome results

Primary

Health Outcomes After Use With Trimethoprim-sulfamethaxazole

Time frame: two years

ArmMeasureValue (NUMBER)
Trimethoprim-sulfamethaxazoleHealth Outcomes After Use With Trimethoprim-sulfamethaxazole0 Percentage of outcomes assessed
Sugar PillHealth Outcomes After Use With Trimethoprim-sulfamethaxazole0 Percentage of outcomes assessed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026