PictureRx: An Intervention to Reduce Latino Health Disparities (Supplement: Medical Icons)

Study Overview
=================
Brief Summary
-----------------
Research shows that well-developed icons and other pictorials aid in the comprehension of medication information and are effective in improving patients' medication management. This experimental study seeks to test the effect of icons and structured medication information on subjects' processing and recall of simulated medication instructions in a computer testing environment. The study planned to enroll 200 subjects.

Official Title
-----------------
PictureRx: An Intervention to Reduce Latino Health Disparities (Supplement: Medical Icons)

Conditions
-----------------
Understanding of Medication Instructions, Recall of Medication Instructions

Intervention / Treatment
-----------------
* Behavioral: Drug indication icons
* Behavioral: Structured instructions


Participation Criteria
=================
Eligibility Criteria
-----------------
Inclusion Criteria: Be at least 18 years old Fluency in English or Spanish Manage their own prescription medicines, and Be taking at least one chronic medication Exclusion Criteria: Too ill to complete the experiment 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

Ages Eligible for Study
-----------------
Minimum Age: 18 Years

Sexes Eligible for Study
-----------------
All

Accepts Healthy Volunteers
-----------------
No

Study Plan
=================
How is the study designed?
-----------------

Design Details

Primary Purpose: Health Services Research
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| No Intervention: Text instructions<br>Medication instructions displayed in text format | |
| Experimental: Drug indication icons<br>Icons illustrate the purpose of each medication | Behavioral: Drug indication icons<br>* Icons illustrate the purpose of each medication<br>|
| Experimental: Structured instructions<br>Graphical format shows what time(s) of day each medication should be taken | Behavioral: Structured instructions<br>* Graphical format shows what time(s) of day each medication should be taken<br>|
| Experimental: Icons + Structured instructions<br>Icons illustrate the purpose of each medication, and a graphical format shows what time(s) of day each medication should be taken | Behavioral: Drug indication icons<br>* Icons illustrate the purpose of each medication<br>Behavioral: Structured instructions<br>* Graphical format shows what time(s) of day each medication should be taken<br>|

What is the study measuring?
-----------------
Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Understanding of medication instructions | Participants' ability to state the drug indication | Within 10-20 minutes | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Recall of medication instructions | Participants' ability to recall the instructions after viewing a series of medications | Within 10-20 minutes | 

 Terms related to the study
=================
Keywords Provided by Centre Hospitalier Valida
-----------------
Prescription drug information, Medication management