Related Experiment Video
Updated: Aug 7, 2026
05:46
Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
Published on: April 9, 2014
Current treatment for human immunodeficiency virus infection
1Critical Care Medicine Department, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, MD.
Ear, Nose, & Throat Journal
|July 1, 1990
Summary
Current human immunodeficiency virus (HIV) treatments improve survival but do not cure the infection. Zidovudine is the sole approved drug, effective yet potentially toxic, necessitating monitoring and opportunistic infection prophylaxis.
Area of Science:
- Virology
- Immunology
- Pharmacology
Background:
- Human immunodeficiency virus (HIV) infection significantly impacts patient survival and quality of life.
- Current treatments aim to prolong survival and enhance life quality, but do not achieve immune reconstitution or cure.
- Zidovudine is the only licensed treatment for HIV infection, demonstrating efficacy but also potential toxicity.
Purpose of the Study:
- To review the current state of human immunodeficiency virus (HIV) treatment.
- To discuss the efficacy and limitations of Zidovudine.
- To highlight the importance of monitoring and prophylaxis in HIV management.
Main Methods:
- Review of existing literature on HIV treatment and Zidovudine.
- Analysis of Zidovudine's effectiveness in reducing opportunistic infections.
- Emphasis on the role of CD4+ T-cell monitoring in assessing immunodeficiency.
Main Results:
- Zidovudine treatment decreases the incidence of opportunistic infections but does not prevent them entirely.
- Concurrent prophylaxis for Pneumocystis carinii pneumonia is recommended for high-risk patients.
- Serial CD4+ T-cell counts are crucial for assessing the degree of immunodeficiency.
Conclusions:
- HIV treatment prolongs survival and improves quality of life, but cure remains elusive.
- Zidovudine is an effective, albeit sometimes toxic, treatment option for HIV.
- Future HIV therapies are expected to involve combination or sequential use of multiple agents.
Related Concept Videos
01:10Retrovirus Life Cycles
Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
01:25Immunodeficiency Diseases
Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
There are three main causes of immunodeficiency disorders...
01:26Sexually Transmitted Infections
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
01:27Cryptococcal Meningitis
Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
01:22Antiviral Nucleoside Inhibitors
Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...
01:19Inhibitors of Virion Maturation and Assembly
As part of their replication cycle, certain viruses synthesize long precursor proteins called polyproteins within infected host cells. In human immunodeficiency virus (HIV), two major polyproteins are produced: Gag and Gag-Pol. The Gag polyprotein supplies the structural components of the virus, while Gag-Pol includes essential viral enzymes such as reverse transcriptase, integrase, and protease. After synthesis, these polyproteins move to the host cell membrane, where they assemble into an...