Computer Stop Order Alert to Prevent Concurrent Prescribing of Trimethoprim/Sulfamethoxazole and Warfarin

Randomized Controlled Study of a Computer Stop Order Versus Routine Practice When Trimethoprim/Sulfamethoxazole is Ordered Concurrently With Warfarin

Status

Terminated

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00870298

Acronym

warf-tmp/smx

Enrollment

1971

Registered

2009-03-27

Start date

2006-08-31

Completion date

2007-01-31

Last updated

2015-12-09

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

Conditions

Prescribers' Drug Orders

Keywords

drug orders

Brief summary

To determine if a computerized stop order will reduce the number of concurrent trimethoprim/sulfamethoxazole and warfarin orders accepted through the inpatient electronic ordering system while a patient is hospitalized.

Interventions

DRUGTrimethoprim/Sulfamethoxazole and Warfarin

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

All resident physicians and nurse practitioners involved in inpatient care.

Exclusion criteria

None-

Design outcomes

Primary

Measure	Time frame
Reduce concomitant orders for warfarin and tmp/smx	7 months

Secondary

Measure	Time frame
Determine if computerized stop order will increase risk for inadvertent cessation of warfarin	7 months
Determine if computerized stop order will increase risk of delay of treatment with tmp/sulfa when determined to be necessary for treatment	7 months

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 30, 2026