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Medication refill logistics and refill adherence in HIV.
R Gross1, Y Zhang, R Grossberg
1Division of Infectious Diseases, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104-6021, USA. rgross@cceb.med.upenn.edu
Pharmacoepidemiology and Drug Safety
|May 10, 2005
Summary
Improving antiretroviral therapy adherence is key for HIV treatment success. Refills via pill organizers or mail order significantly boosted adherence compared to standard pharmacy pickups.
Area of Science:
- Pharmacology
- Infectious Diseases
- Public Health
Background:
- Antiretroviral therapy (ART) adherence is crucial for viral suppression in HIV management.
- Pharmacy-based factors influencing ART adherence remain under-researched.
- Understanding medication refill mechanisms can optimize treatment outcomes.
Purpose of the Study:
- To investigate the association between different antiretroviral medication refill methods and refill adherence.
- To identify pharmacy-based strategies that enhance adherence to antiretroviral therapy.
Main Methods:
- Retrospective cohort study involving 110 HIV-infected subjects.
- Analysis of antiretroviral refill adherence over a 3-month period.
- Comparison of adherence rates across three refill mechanisms: standard pharmacy, pharmacist-dispensed pill organizers, and mail order.
Main Results:
- Pharmacist-dispensed pill organizers showed the highest adherence (99%).
- Mail order refills also demonstrated improved adherence (91%) compared to standard pharmacy (80%).
- Both pill organizers and mail order were statistically associated with significantly higher adherence rates (p=0.003 and p=0.04, respectively).
Conclusions:
- Medication refill strategies, such as pharmacist-dispensed pill organizers and mail order, can effectively improve antiretroviral therapy adherence.
- These methods may address different adherence barriers and warrant consideration for HIV adherence interventions.
- Further research in diverse populations and disease states is recommended.