Enhanced Spanish Drug Label Study to Promote Patient Understanding & Use

Status Completed

Clinical Trial Summary

The overall objective of this study is to test the efficacy of an evidence-based, enhanced Rx container label design to improve Spanish speaking patients' understanding of instructions for use.

Clinical Trial Description

The investigators will conduct a randomized controlled trial (N=960) to evaluate the efficacy of the enhanced Rx container label to improve, Spanish speaking, diabetic and/or hypertensive patients' understanding of actual prescribed medicines, compared to a standard label format. Spanish-speaking patients with type II diabetes and/or hypertension at safety-net clinics affiliated with one central-fill pharmacy (Nova Scripts Central - NSC) receive all their prescribed medicines from this location. Recruited diabetic and/or hypertensive subjects in this study will be randomly assigned to either intervention (enhanced Rx container label) or control (standard Rx label). All pill-form, regular dosing schedule medicines, including diabetes and hypertensive (i.e. ACE inhibitor) medicines associated with patients' treatment will be labeled according to study arm by the central-fill pharmacy. Study subjects will be interviewed at the time of dispensing the prescribed medicines at the clinic, again three months later (dispensing of refill), and finally nine months after baseline (dispensing of refill). Pharmacy refill data and medical record information - linked at these clinics - will be collected for exploratory analyses. Patients' ability to read and demonstrate Rx label instructions, including auxiliary warnings, will be the primary outcomes for this aim. Data from the actual use trial will be processed, reviewed, analyzed (in order of hypotheses), and reports prepared during the final months of this last phase of the study. We anticipate several manuscripts to be developed as a result of this project, supported by the diverse key personnel and collaborating faculty enlisted. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Health Services Research

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01200849
Study type	Interventional
Source	Northwestern University
Contact
Status	Completed
Phase	N/A
Start date	October 2010
Completion date	January 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Enhanced Spanish Drug Label Study to Promote Patient Understanding and Use

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms