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Improving Laboratory Follow-up by Delivering an Enhanced Medication List to Outpatient Physician Practices

This study has suspended participant recruitment.
Information provided by:
Indiana University Identifier:
First received: September 23, 2010
Last updated: NA
Last verified: September 2010
History: No changes posted
The investigators plan to develop a process to create an Enhanced Medication List. The INPC (Indiana Network for Patient Care) already obtains histories of medications dispensed by pharmacies from several sources: pharmacy benefit managers, RxHub, insurance companies, Medicaid, SureScripts, Wishard Health Services. The investigators will collect all the medication data available through the INPC for an individual patient. The investigators will enhance this medication list by including medication categories, improving the structure and appearance, displaying results of relevant laboratory tests, and adding decision support reminders. The investigators will test the value of such an "Enhanced Medication List" by providing it to outpatient physician practices (through the DOCS4DOCS clinical messaging service, or as a fax), preferably on the day that the patient has an office visit with the physician. The investigators will determine whether this intervention improves patient care: whether there are higher rates of recommended laboratory follow-up monitoring as a result; whether there are lower rates of harmful drug-drug interactions. The investigators will also seek the opinions of physicians regarding the benefit of this intervention.

Condition Intervention
Medication Histories in Outpatient Clinic Patients Other: Medication History was printed

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Health Services Research

Further study details as provided by Indiana University:

Primary Outcome Measures:
  • Count of medications (on a patient's medication list) for which recent (within 12 months) laboratory test monitoring is missing. [ Time Frame: Laboratory tests during the previous 12 months ]
    The hypothesis is that the intervention (a medication history printed for the patient) would help the physician identify incomplete monitoring of laboratory test results for a subset of medications. (For example, Potassium test levels should be obtained every 12 months for patients using diuretics, according to NCQA HEDIS guidelines.) With time, the intervention group should have less medications for which laboratory test results are incomplete. Therefore, the intervention group should have less medications with decision support reminders warning of incomplete laboratory test monitoring.

Enrollment: 4449
Study Start Date: December 2008
Estimated Study Completion Date: January 2011
Primary Completion Date: October 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Intervention (with Medication History)
these patient visits generated a medication history
Other: Medication History was printed


Ages Eligible for Study:   19 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All

Inclusion Criteria:

  • outpatient clinic patient visits

Exclusion Criteria:

  • Age 18 and under
  Contacts and Locations
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Please refer to this study by its identifier: NCT01208987

United States, Indiana
Regenstrief Institute
Indianapolis, Indiana, United States, 46202
Sponsors and Collaborators
Indiana University
  More Information

Responsible Party: Linas Simonaitis Identifier: NCT01208987     History of Changes
Other Study ID Numbers: 0710-59
Study First Received: September 23, 2010
Last Updated: September 23, 2010 processed this record on September 19, 2017