Related Experiment Video
Updated: Jul 13, 2026
19:57
An Affordable HIV-1 Drug Resistance Monitoring Method for Resource Limited Settings
Published on: March 30, 2014
Stavudine: A Review
Summary
Stavudine is a well-tolerated HIV-1 treatment, effective in combination regimens. Peripheral neuropathy is its main side effect, but it is reversible. Avoid combining with zidovudine due to potential reduced efficacy and increased side effects.
Area of Science:
- Antiviral Therapy
- HIV-1 Management
- Nucleoside Analogues
Background:
- Stavudine is the fourth approved nucleoside analog for HIV-1 management in the US.
- It is a dideoxy analog of thymidine, structurally similar to zidovudine.
- Standard adult dosage is 40mg twice daily, adjusted for toxicity or renal insufficiency.
Purpose of the Study:
- To review the efficacy and safety profile of stavudine in HIV-1 treatment.
- To evaluate stavudine's role in combination antiviral therapy.
- To assess potential drug interactions and adverse effects.
Main Methods:
- Review of clinical studies and trial data on stavudine.
- Analysis of stavudine's pharmacokinetic and pharmacodynamic properties.
- Evaluation of stavudine's efficacy in reducing viral load and its safety profile.
Main Results:
- Stavudine is generally well-tolerated with infrequent hematological toxicity.
- Peripheral neuropathy is the dose-limiting adverse effect, typically reversible.
- Synergistic activity observed in vitro with didanosine, lamivudine, nevirapine, and saquinavir.
- Combination therapy with stavudine can reduce viral load by 2 log(10) copies/ml.
Conclusions:
- Stavudine is an effective component of combination HIV-1 regimens.
- Peripheral neuropathy necessitates careful monitoring and potential dose adjustment.
- Stavudine should be used as an alternative to zidovudine in combination regimens due to potential adverse interactions.
Related Concept Videos
01:15Drug Dosage Regimen: Overview
A drug dosage regimen describes the specific instructions and schedule for administering a drug to a patient. It considers factors such as drug dosage, frequency, route of administration, and duration of treatment. Designing an appropriate dosage regimen for a patient aims to achieve a target drug concentration at the site of action.
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
01:16Therapeutic Drug Monitoring: Overview and Classification
Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood at designated intervals to ensure the drug concentration stays within a therapeutic range. This monitoring is crucial for optimizing individual dosage regimens, enhancing therapeutic efficacy, and minimizing drug-related toxicity. TDM is vital for drugs with narrow therapeutic windows, significant variability in pharmacokinetics, and a clear correlation between plasma levels and...
01:29Therapeutic Drug Monitoring: Affecting Factors
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
01:30Inhibitors of Viral Protein Synthesis
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
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),...
01:15Antifungal Agents
Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...