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Drug users and HIV-combination therapy (HAART): factors which impede or facilitate adherence
Ewald Witteveen1, Erik J C van Ameijden
1Cluster Infectious Diseases, Municipal Health Service, Nieuwe Achtergracht 100, 1018 WT Amsterdam, The Netherlands. ewitteveen@gggd.amsterdam.nl
Insights
Many hard drug users struggle with adherence to highly active antiretroviral therapy (HAART). Understanding factors affecting HAART compliance is crucial for improving HIV treatment effectiveness in this population.
Area of Science:
- Medical Science
- Public Health
- Infectious Diseases
Background:
- Highly active antiretroviral therapy (HAART) effectively suppresses HIV replication but requires strict adherence.
- HIV-positive individuals, particularly hard drug users, face challenges in maintaining therapy compliance.
- Poor adherence to HAART jeopardizes treatment effectiveness and can lead to drug resistance.
Purpose of the Study:
- To investigate adherence to HAART among hard drug users in Amsterdam.
- To identify factors that impede or facilitate HAART adherence in this population.
- To inform the development of strategies to improve HAART effectiveness.
Main Methods:
- Qualitative study utilizing in-depth interviews.
- Conducted with 27 hard drug users in Amsterdam.
- Explored experiences and challenges related to HAART adherence.
Main Results:
- Nearly half of the interviewed hard drug users reported non-adherence to HAART.
- Multiple determinants of adherence were identified, spanning medication, individual, and environmental factors.
- Many identified determinants are potentially modifiable.
Conclusions:
- Adherence to HAART is a significant issue for hard drug users.
- Understanding multifaceted determinants is key to improving adherence.
- Interventions targeting modifiable factors can enhance HAART effectiveness in this vulnerable group.
Abstract:
The current highly active antiretroviral therapy (HAART), i.e., triple combination treatment including a protease inhibitor, allows for long-term suppression of HIV-replication. The intake guidelines, however, are very strict and, like many other HIV positive patients, drug users have problems in achieving good therapy compliance. As a result, the effectiveness of the medication therapy is seriously jeopardized. This qualitative study, involving in-depth interviews with 27 "hard drug" users in Amsterdam, seeks to provide better insights into the extent of adherence to HAART. In addition, factors that impede or facilitate adherence have been listed in order to develop and improve strategies. The study shows that almost half of the "hard drug" users interviewed do not adhere to the therapy. A large number of determinants for adherence were identified at the level of medication, the individual, and the environment. Many of these determinants can be influenced, which means that they can provide clues for the effective implementation of measures that may enhance effectiveness of treatment.
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