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Study details
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The ImPreSS Trial

University of Chicago
NCT IDNCT03729180ClinicalTrials.gov data as of Apr 2026
Target enrollment

1,900

Study length

about 8.6 years

Ages

18+

Locations

1 site in IL

What this study is about

Researchers are testing whether providing doctors with genetic information about patients before surgery helps them make better decisions. The trial will involve adults scheduled for elective surgeries at the University of Chicago. Doctors will receive a blood test to determine their genetic profile, and then they'll use this information to guide treatment choices.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Blood test for genetic testing
  • 2.Drug-genetic Profile
  • 3.Undergo Routine Elective Surgery- In patient or out patient elective surgery

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Randomized (Open Label)

You are randomly assigned, but you will know your treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: The frequency of Genomic Prescribing System (GPS) use by anesthesiologists and pain medicine physicians and associated providers during the perioperative period.

Secondary: Comparison of pain scores on a 10 point scale, Pharmacogenomic result availability on pain management services in both arms using a research database for each patient

Procedures

surgery