PictureRx: An Intervention to Reduce Latino Health Disparities

This study has been completed.
Information provided by (Responsible Party):
M Brian Riley, PictureRx, LLC
ClinicalTrials.gov Identifier:
First received: June 11, 2012
Last updated: NA
Last verified: June 2012
History: No changes posted

The purpose of this randomized controlled trial is to evaluate the effect of Spanish-language illustrated medication instructions (PictureRx cards), compared to traditional medication instructions, on Latinos' understanding of their medication regimens. The study will also assess the effect on self-reported medication adherence. Patients with diabetes who attend participating clinics are eligible. The target sample size is 200.

Condition Intervention
Medication Adherence
Behavioral: PictureRx card

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Health Services Research
Official Title: PictureRx: An Intervention to Reduce Latino Health Disparities

Resource links provided by NLM:

Further study details as provided by PictureRx, LLC:

Primary Outcome Measures:
  • Patient Understanding of their Medication Regimen [ Time Frame: Approximately 1 week after enrollment ] [ Designated as safety issue: No ]
    The primary outcome will be patients' understanding of their medication regimen, as assessed by an interviewer-administered questionnaire.

Secondary Outcome Measures:
  • Self-reported Adherence [ Time Frame: Approximately 1 week after enrollment ] [ Designated as safety issue: No ]
    As a secondary outcome, patients will report their self-reported adherence using a validated instrument.

Enrollment: 200
Study Start Date: March 2011
Study Completion Date: December 2011
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: PictureRx cards
Illustrated format of medication instructions that includes pictures of pills and icons to show their purpose
Behavioral: PictureRx card
An illustrated format of medication instructions that includes pictures of the medications and icons to illustrate their purpose
No Intervention: Control
Usual care


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Diabetes
  • Latino, Spanish speaker
  • Be at least 18 years old
  • Must be taking at least 1 chronic medication

Exclusion Criteria:

  • Too ill to participate in an interview
  • Do not have a telephone
  • Having visual acuity worse than 20/50 via Rosenbaum Visual Acuity exam (eyechart)
  • Inability to communicate in either Spanish or English
  • Overt psychiatric illnesses, overt delirium or dementia
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01618409

United States, Tennessee
Saint Thomas Family Health Center - South
Nashville, Tennessee, United States, 37211
Sponsors and Collaborators
PictureRx, LLC
Principal Investigator: M Brian Riley, MA PictureRx, LLC
  More Information

No publications provided

Responsible Party: M Brian Riley, Director of Research, PictureRx, LLC
ClinicalTrials.gov Identifier: NCT01618409     History of Changes
Other Study ID Numbers: 1R43MD004048, 5R43MD004048-02
Study First Received: June 11, 2012
Last Updated: June 11, 2012
Health Authority: United States: Institutional Review Board

Keywords provided by PictureRx, LLC:
Health Literacy
Limited English Proficiency

ClinicalTrials.gov processed this record on April 17, 2014