Related Experiment Video
Updated: Jul 18, 2026

Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
Frequent methamphetamine use is associated with primary non-nucleoside reverse transcriptase inhibitor resistance
Grant Nash Colfax1, Eric Vittinghoff, Robert Grant
1AIDS Office, San Francisco Department of Public Health, San Francisco, California, USA.
Frequent methamphetamine use is linked to higher rates of primary HIV drug resistance, specifically non-nucleoside reverse transcriptase inhibitor resistance, in men who have sex with men. This may stem from treatment interruptions in HIV source partners.
Area of Science:
- Infectious Diseases
- Virology
- Public Health
Background:
- HIV drug resistance poses a significant challenge to effective treatment and prevention strategies.
- Understanding risk factors for primary HIV drug resistance is crucial for public health interventions.
- Methamphetamine use is prevalent in certain populations and may influence HIV transmission and resistance patterns.
Purpose of the Study:
- To investigate the association between methamphetamine use and the prevalence of primary HIV drug resistance.
- To identify specific classes of antiretroviral drugs for which resistance is associated with methamphetamine use.
- To explore potential mechanisms linking methamphetamine use to HIV drug resistance.
Main Methods:
- A cohort study of men who have sex with men recently infected with HIV was analyzed.
- Multivariate statistical analysis was employed to assess associations.
- Prevalence of primary drug resistance to different antiretroviral drug classes was determined.
Main Results:
- Frequent methamphetamine use was significantly associated with primary non-nucleoside reverse transcriptase inhibitor (NNRTI) resistance.
- No significant association was found between methamphetamine use and primary protease inhibitor (PI) or nucleoside reverse transcriptase inhibitor (NRTI) resistance.
- The findings suggest a specific link between methamphetamine use and resistance to NNRTIs.
Conclusions:
- Methamphetamine use is a potential risk factor for primary NNRTI resistance in recently HIV-infected men who have sex with men.
- The observed association may be mediated by methamphetamine-associated treatment interruptions in HIV source partners.
- Further research is warranted to elucidate the complex interplay between substance use, HIV treatment adherence, and drug resistance.
Related Concept Videos
Treatment Resistant Cancers
Antiviral Nucleoside Inhibitors
Viral Mutations
Retrovirus Life Cycles
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Pharmacogenetics of Phase II Enzymes: N-acetyltransferase, Thiopurine S-methyltransferase, UDP-glucuronosyltransferase

