PictureRx: An Intervention to Reduce Latino Health Disparities

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01618409

Enrollment

200

Registered

2012-06-13

Start date

2011-03-31

Completion date

2011-12-31

Last updated

2012-06-13

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

Conditions

Diabetes, Medication Adherence

Keywords

PictureRx, Health Literacy, Limited English Proficiency, Latinos, Spanish

Brief summary

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.

Interventions

BEHAVIORALPictureRx card

An illustrated format of medication instructions that includes pictures of the medications and icons to illustrate their purpose

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

HEALTH_SERVICES_RESEARCH

Masking

SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

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

Design outcomes

Primary

Measure	Time frame	Description
Patient Understanding of their Medication Regimen	Approximately 1 week after enrollment	The primary outcome will be patients' understanding of their medication regimen, as assessed by an interviewer-administered questionnaire.

Secondary

Measure	Time frame	Description
Self-reported Adherence	Approximately 1 week after enrollment	As a secondary outcome, patients will report their self-reported adherence using a validated instrument.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026