Definition

1. Noun:
   • An antiviral drug used to combat HIV infection: Dideoxycytosine is a nucleoside analog reverse transcriptase inhibitor (NRTI) used in the treatment of HIV infection. It works by inhibiting the reverse transcriptase enzyme, which is essential for the replication of the HIV virus.

Usage Examples

• Noun:
  • The doctor added dideoxycytosine to the patient's antiretroviral regimen.
  • Early clinical trials demonstrated the efficacy of dideoxycytosine against HIV.

Advanced Usage

• Medical Context: The term is primarily used in clinical, pharmacological, and research contexts related to HIV/AIDS treatment. It is often discussed alongside other antiretroviral agents.
  • The combination therapy included zidovudine and dideoxycytosine.

Variants and Related Words

• Abbreviation: DDC: This is the common abbreviation for dideoxycytosine in medical literature.
  • The study compared the side effects of DDC versus other NRTIs.
• Generic/Trade Name: Zalcitabine: This is the generic (and former trade) name for the drug dideoxycytosine.
  • Zalcitabine (ddC) is less commonly used in modern HAART regimens due to its toxicity profile.

Synonyms

• Antiretroviral drug: A general term for medications used to treat retroviral infections like HIV.
• NRTI (Nucleoside Reverse Transcriptase Inhibitor): The class of drugs to which dideoxycytosine belongs.

Notes on Usage

• Technical Term: "Dideoxycytosine" is a highly specialized term. In general communication about HIV treatment, more common drug names (e.g., tenofovir, emtricitabine) or the abbreviation "ddC" are often used.
• Historical Context: While it was an important early drug in HIV therapy, its use has declined in many regions due to the availability of newer agents with better safety profiles.

Noun

1. an antiviral drug used to combat HIV infection