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HIV-1 Treatments And Role Of PGx Testing

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4 min read

HIV-1 Treatments And Role Of PGx Testing

HIV-1 treatments

Optimizing HIV-1 Treatment with Pharmacogenomic (PGx) Testing

HIV-1 (Human Immunodeficiency Virus type 1) positions a worldwide health concern and requires tailored treatment approaches. Over time, there have been notable innovations in addressing HIV-1, resulting in better overall well-being and extended lifespan for affected individuals. While antiretroviral therapy (ART) remains central to HIV-1 treatment, determining the appropriate treatment can be challenging due to the varying individual reactions to medication. This is where Pharmacogenetic testing presents an innovative solution, providing personalized strategies to enhance treatment results.

Treatment of HIV-1: An Overview

As a result of HIV-1, the immune system is attacked, specifically CD4 cells (T cells), which play an important role in immune defense – information source Rockefeller University Press. Without effective treatment, the virus weakens the immune system, resulting in acquired immune deficiency syndrome (AIDS). By suppressing the virus, ART helps the immune system recover and function normally. There are several classes of ART drugs (Information source NIH):

  • NRTIs (Nucleoside Reverse Transcriptase Inhibitors)
  • NNRTIs (non-nucleoside reverse transcriptase inhibitors)
  • Protease inhibitors (PIs)
  • integrase strand transfer inhibitor (INSTIs)
  • Fusion Inhibitors (FIs)

Drug interactions, side effects, and the development of drug-resistant strains of HIV-1 add to the complexity of treatment, even with highly effective ART.

HIV-1 Treatment Enhancement by PGx Testing

Testing for pharmacogenomics (PGx) can provide valuable insight into HIV-1 treatment options that are safe and effective based on an individual’s genetic makeup. Here’s how PGx can help:

Making medication choices that are tailored to your needs

PGx testing identifies genetic variations which affect how ART drugs are metabolized and responded to by different individuals. The speed with which a person metabolizes specific medications, for example, can impact both effectiveness and side effects. Healthcare providers can choose medications that are more effective and less likely to cause adverse reactions by understanding these genetic factors.

Keeping drug interactions to a minimum

As HIV-1 patients often take multiple medications for HIV treatment and other health conditions, PGx testing can provide insight into potential drug interactions. For example, genetic variation can affect the metabolism of drugs that interact with ART, resulting in either increased toxicity or reduced effectiveness. Healthcare providers can adjust treatment plans in response to these interactions better by using PGx testing.

The reduction of adverse effects

In addition to mild to severe adverse effects, ART drugs can also cause skin rashes, gastrointestinal issues, or liver damage. Based on their genetic profile, PGx testing identifies patients at a higher risk for these adverse effects. By doing so, risks can be minimized and results optimized.

Enhancing the efficacy of drugs

Genetic variations can affect the effectiveness of ART drugs in suppressing the virus. Not all ART drugs work the same way for everyone. By using PGx testing, healthcare providers can choose the most effective drug based on an individual’s genetic profile, increasing the chances of achieving and maintaining viral suppression.

Conclusion

The management of HIV-1 has advanced greatly, however finding the appropriate antiretroviral therapy remains an obstacle. With the help of Pharmacogenomic (PGx) testing your healthcare specialist can prescribe personalized medication, reducing harmful drug interactions and side effects, increasing medication effectiveness. If you are living with HIV-1 or involved in its management then you may consult a healthcare provider about PGx testing. We hope you find it useful.

Please note that this blog is intended only for informational purposes. Always consult a doctor before taking any medical action.

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